08th week of 2016 patent applcation highlights part 59 |
Patent application number | Title | Published |
20160056650 | Mobile Device Charger Bracelet - A wearable battery operated recharger for charging and or powering a mobile device includes a band or a bracelet to be worn by a user, a charger assembly with rechargeable battery disposed within the band. The charge assembly is disposed within a compartment assessable through an exterior surface when the band is being worn. A wire connected to the recharging assembly has a dongle end for insertion into a mobile electronic device. The wire fits into the compartment and is selectively extendable outside of the component. | 2016-02-25 |
20160056651 | FAST BATTERY CHARGING THROUGH DIGITAL FEEDBACK - Methods and apparatus for charging a battery of a portable device are disclosed, including receiving, by a charging component, an amount of voltage on a power bus connectable to an external device, wherein the charging component charges the battery with the amount of voltage received. The methods and apparatus include authenticating, by an authentication component, the portable device with the external device via a plurality of signal lines, wherein the authentication component is configured to transmit one or more authentication signals on one or more of the plurality of signal lines. The methods and apparatus include transmitting, by a configuration component, a modified voltage signal and a modified current signal to the external device via the plurality of signal lines, wherein the modified voltage signal and the modified current signal are operable to cause the external device to modify the amount of voltage transmitted to the power bus. | 2016-02-25 |
20160056652 | Charging Cabinet and Storage Method Thereof - A storage device includes a frame and a plurality of adjusting structures. The frame includes a base and a plurality of partition components. The partition components stand on the base so that the partition components and the base form a plurality of accommodation spaces together. Each of the adjusting structures includes a sliding component and a blocking component that are connected to each other. The sliding components are slidable on the base. The blocking components are located within the accommodation spaces, respectively. The blocking components protrude from the base so that the base, the partition components and the blocking components form a plurality of storage compartments together. The sliding components are for sliding relative to the base so as to respectively adjust depths of the storage compartments. | 2016-02-25 |
20160056653 | LIGHT THERAPY PLATFORM MOBILE PHONE CHARGER - Disclosed is a therapeutic lamp platform charging method and device. According to an exemplary embodiment of this disclosure, provided is a method of charging a power source operatively associated with a therapeutic lamp platform, the method comprising connecting a power port of a computing device to the therapeutic lamp platform charging port using an electrical cable; launching a charging software application on the computing device, the charging software application configuring the computing device to utilize a port operatively associated with the computing device to charge an external device; the computing device charging the therapeutic lamp platform rechargeable power source until the rechargeable power source reaches a substantially full charge; and disconnecting the electrical cable from the therapeutic lamp platform. | 2016-02-25 |
20160056654 | CAPACITOR SHORT-CIRCUITING IN A HIGH VOLTAGE CONVERTER - A short-circuiting arrangement for capacitors of a high voltage converter are provided, the capacitors each having two connection terminals, the arrangement including a short-circuiting wire configured to be moved along while in sliding contact with the connection terminals and including a short-circuiting section with electrically conductive material connected to a ground potential and a probing section with electrically conductive material and a voltage evaluating unit electrically connected to the short-circuit section and the probing section and configured to detect, as the probing section and short-circuiting section are connected to the respective connection terminals, the voltage across the capacitor, compare the voltage with a discharge threshold and halt or move the short-circuiting wire based on the detected voltage. | 2016-02-25 |
20160056655 | BATTERY PACK FOR MOTOR-DRIVEN APPLIANCE - A battery pack for a motor-driven appliance comprises a battery including a plurality of cells, a cell discharge unit that discharges each cell individually, a voltage detection unit that detects each cell voltage, a target cell determination unit, and a discharge control unit. When at least one cell having the cell voltage equal to or smaller than a specified threshold is present, the cell voltage that is the smallest among them is set as a smallest cell voltage, and when at least one other cell having the cell voltage larger than the smallest cell voltage by a defined value or more or having the cell voltage larger than the threshold by the defined value or more is present, the target cell determination unit determines the at least one cell as a target cell, and the discharge control unit causes the target cell to be discharged by the cell discharge unit. | 2016-02-25 |
20160056656 | CIRCUITS AND METHODS FOR USING PARALLEL SEPARATE BATTERY CELLS - Circuits and methods allowing virtually any number of batteries to be connected in parallel without the supply voltage being substantially reduced, while allowing their capacities to add directly as well as increasing the current capability of the batteries by placing the batteries' internal resistances in parallel | 2016-02-25 |
20160056657 | CHARGE AND DISCHARGE MANAGEMENT SYSTEM AND MOVABLE POWER SOURCE USING THE SAME - An apparatus can include: (i) a first switch coupled to an external interface and an inductor; (ii) a second switch coupled to ground and a common node between the first switch and the inductor; (ii) a third switch coupled to ground and a common node between the inductor and a fourth switch, where the inductor and first, second, third, and fourth switches form a power converter; (iii) a charge and discharge control circuit coupled to the power converter, and being configured to control the first, second, third, and fourth switches; and (iv) a chargeable battery coupled to the fourth switch, where the power converter is configured to provide a current to the battery when the external interface is coupled to an external power supply, and where the power converter is configured to provide a current to a load when the external interface is coupled to the load. | 2016-02-25 |
20160056658 | SMART WIRELESS CHARGER - A wireless charging system is disclosed. The wireless charging system includes a coil to create electromagnetic field and a sniffer system to detect a presence of a low frequency (LF) signal. The sniffer system is configured to deactivate the coil for a predetermined duration and perform an operation to detect the presence of the LF signal. | 2016-02-25 |
20160056659 | WATERPROOF WIRELESS KEYBOARD WITH WIRELESS CHARGING FUNCTION - The present invention provides a waterproof wireless keyboard with wireless charging function, comprising: a wireless keyboard set, including a keyboard module having a plurality of key-inputting cells, a wireless communication module connected to the keyboard module to output corresponding commands of the key-inputting cells, and a wireless charging receiver module connected to and powers the keyboard module; and a hermetic case, including a first housing and a second housing that sandwich the wireless keyboard set therebetween, the first housing having a key-inputting portion corresponding to the key-inputting cells, the first housing being peripherally provided with a first seal structure, and the second housing being peripherally provided with a second seal. structure that matches and engages with the first seal structure. | 2016-02-25 |
20160056660 | NON-CONTACT TYPE POWER RECEIVING APPARATUS - In a non-contact type power receiving apparatus, two power receiving coils may share a single rectifying circuit. A non-contact type power receiving apparatus may include a first power receiving coil and a second power receiving coil, and a selective rectifying unit rectifying power from one of the first and second power receiving coils which receives the power from an external power transmitting coil in a non-contact scheme. | 2016-02-25 |
20160056661 | CONTACTLESS CHARGING DEVICE, DEVICE TO BE CHARGED, VEHICLE EQUIPPED WITH CONTACTLESS CHARGING DEVICE AND PROGRAM - A contactless charging device, a device to be charged, a vehicle equipped with the contactless charging device and a program are provided to improve detection accuracy of a conductive foreign object and enhance safety. The contactless charging device has a structure including a charging coil for generating magnetic flux when power is supplied thereto; and a charge controller for detecting a conductive foreign object using the conductivity information for the power reception coil based on the coil information representing the characteristics of the power reception coil in a device to be charged. | 2016-02-25 |
20160056662 | WIRELESS CHARGING APPARATUS AND WIRELESS CHARGING METHOD - Disclosed herein are a wireless charging apparatus and a wireless charging method capable of avoiding a cross connection. A wireless charging apparatus, including: a controller receiving voltage range information from a mobile terminal and generating voltage pattern information corresponding to the voltage range information; a power converter generating authentication power having a predetermined voltage pattern corresponding to the voltage pattern information; and a resonator transmitting the authentication power to the mobile terminal. | 2016-02-25 |
20160056663 | BATTERY CHARGE AND DISCHARGE MANAGEMENT CIRCUIT AND ELECTRONIC DEVICE THEREOF - An apparatus can include: (i) a first switch coupled to an external interface and an inductor; (ii) a second switch coupled to ground and a common node between the first switch and the inductor; (ii) a third switch coupled to ground and a common node between the inductor and a fourth switch, where the inductor and first, second, third, and fourth switches form a power converter; (iii) a charge and discharge control circuit coupled to the power converter, and being configured to control the first, second, third, and fourth switches; (iv) an internal load coupled to said fourth switch; and (v) a chargeable battery coupled to the fourth switch, where the battery is configured to provide power to the internal load when the external interface is disconnected from the external power supply and the external load. | 2016-02-25 |
20160056664 | POWERING AND/OR CHARGING WITH A PLURALITY OF PROTOCOLS - A system is descried for use in wireless charging or wireless powering. The system includes a base for wirelessly charging and/or wirelessly powering and a receiver capable of receiving electricity wirelessly from the base. The receiver is associated with a battery and/or device. The base and/or the receiver is capable of detecting and operating under a plurality of power protocols and/or a plurality of communicating protocols, thereby allowing the base to transfer electricity wirelessly to the battery and/or device in a manner consistent with a common communication and/or common power protocol shared between the base and the receiver. | 2016-02-25 |
20160056665 | CIRCUIT DEVICE, PORTABLE DEVICE, AND CHARGING SYSTEM AND THE LIKE - A circuit device includes: a transformation unit configured to output charged power of any battery of various types of batteries at a driving voltage of a driving component; a charging unit capable of charging the battery in a suitable charging manner by an input of outside power supplied from outside; an identifying unit configured to identify the type of the battery; and a charging and discharging control unit configured to control the charging unit so as to switch the charging manner depending on the type of the battery. | 2016-02-25 |
20160056666 | HOME APPLIANCE AND OPERATING METHOD THEREOF - An appliance includes a driver to drive a load, the load requiring AC power or DC power. A power supply receives one of external AC power, back-up AC power and back-up DC power and outputs at least one of AC power or DC power to the load. An operation mode of the home appliance is one of normal operation when receiving external AC power, normal operation when receiving one of back-up AC power and back-up DC power during a power interruption, and a power save mode when receiving one of back-up AC power and back-up DC power during the power interruption. The power supplies a first power level when there is no power interruption, a second power level when there is power interruption and a third power level when there is power interruption and the power save mode is selected, where the second power level is between the first power level and the third power level. The power save mode is automatically selected when the second power level falls below a reference power level. | 2016-02-25 |
20160056667 | UNINTERRUPTIBLE POWER-SUPPLY SYSTEM - When the power is normally supplied from the commercial power supply, the storage battery is charged by reducing the DC voltage by the charge/discharge chopper. The switching unit is provided in the previous stage of the converter. When the commercial power supply is in an abnormal state, the three-phase AC converter is operated as three discharge choppers connected in parallel by supplying the power of the storage battery to the converter and boosting the power by the switching element included in the converter. The power of the storage battery is boosted by the charge/discharge chopper, and a part of the discharging power is supplied. One three-phase AC reactor is provided in the previous stage of the converter, and the three-phase AC reactor has three coils, magnetic leg iron cores having the coils winding around them, and one leg without a coil winding around it connected in parallel. | 2016-02-25 |
20160056668 | Electrical Control System and Method - A system for controlling an appliance enables electrical circuits to be wired up more quickly, and electrical circuits to be reconfigured more easily. The electrical control system including a central control unit; one or more switch units connected in series forming a loop, the loop including a first end and a second end, wherein the first end and the second end of the loop are connected to the central control unit; and one or more appliance controllers connected to a respective appliance and in communication with the central control unit; wherein one or more electrical parameters are measured at the first end of the loop, and the central control unit sends a control code associated with the one or more electrical parameters to the one or more appliance controllers. | 2016-02-25 |
20160056669 | Systems and Methods for a Configuration Web Service to Provide Configuration of a Wireless Power Transmitter within a Wireless Power Transmission System - A system and method for a configuration web service to provide configuration of a wireless power transmitter within a wireless power transmission system is disclosed. The wireless power transmitter configuration network may include at least one wireless power transmitter connected to an energy power source and at least one computer device which may communicate with each other through wireless or wired network connections, where each wireless power transmitter may include a distributed system database coupled to web service software. The operator/user may browse the specific URL or IP address associated with the configuration web page, which the wireless power transmitter may host and render, to specify the wireless power transmitter's configuration information. The configuration web service may allow users to perform configurations with and without the need of an external network service in range and regardless of the physical location of the wireless power transmitter. | 2016-02-25 |
20160056670 | System and Method for Generating Electric Energy and Torque using an Improved Magnet Positioning to Produce a Counter-Magnetic Field - This disclosure relates to a system and method for improvising motor efficiency using an improved magnet positioning and by applying an inductive load. A magnetic induction rotor assembly can comprise a core, a rotary device, a first winding, a second winding, and a magnet. The core can comprise a closed loop and two or more winding supports. The winding supports can be mounted to the inner portion of the closed loop. Each of the winding supports can comprise an orifice. The rotary device can comprise a rotor and a rod. The rod can pass between the winding supports. The first winding can be around a first side of one of the winding supports. The second winding can be on a second side of the other winding supports. The magnet can be mounted to the rod. The magnet can be within the orifices. | 2016-02-25 |
20160056671 | FLUX SWITCHING MODULATED POLE MACHINE - A stator for a flux switching modulated pole machine, the stator including a stator core, a coil, and at least two permanent magnets, the stator core including at least four coaxial annular stator core members, each including a respective set of radially protruding teeth, the teeth of each annular stator core member being distributed along a circumferential direction, wherein the annular stator core members are axially displaced relative to each other, and wherein the teeth of each annular stator core member are circumferentially displaced relative to the teeth of each adjacent annular stator core member; wherein the coil is arranged coaxial with the annular stator core members and axially sandwiched between two of the sets of teeth; and wherein the permanent magnets are axially magnetized and axially sandwiched between two of the annular stator core members. | 2016-02-25 |
20160056672 | PERMANENT MAGNET MOTOR - A permanent magnet motor is provided. The permanent magnet motor includes a stator having a central hole, a rotor disposed in the central hole, the stator core includes a plurality of winding grooves and a plurality of winding teeth each disposed between adjacent winding grooves, each of the winding teeth includes a pole shoe disposed at an inner end thereof, and the pole shoe has an inner end surface facing the rotor and including a circular arc segment in a middle of the inner end surface, the central hole has a center, the radian of the circular arc segment is greater than that of the central hole, and the circle center of the circular arc segment does not coincide with the center of the central hole. | 2016-02-25 |
20160056673 | RELUCTANCE MOTOR AND ASSOCIATED ROTOR - A rotor for a reluctance motor having a laminate stack of layers is disclosed. Each layer has at least one magnetically-conductive rotor lamination, and in each layer a plurality of flux-conducting sections are formed by the at least one rotor lamination, which flux-conducting sections are separated from one another by a nonmagnetic region. The invention addresses the problem of enabling a high torque and a high speed. For this purpose, an insert disk is arranged between at least two of the layers, connected in each case to at least two flux-conducting sections of one of the layers or both of the layers between which said insert disk is arranged and, as a result, connects said flux-conducting sections to one another beyond the nonmagnetic region located there between. | 2016-02-25 |
20160056674 | RELUCTANCE ROTOR WITH RUNUP AID - A rotor for a reluctance motor includes a laminate stack having layers. Each layer has a plurality of flux-conducting sections formed in each case by a magnetically conductive rotor lamination and extending transversely to a corresponding q axis. The flux-conducting sections are separated from one another by nonmagnetic flux barrier regions. An electrically conductive and non-ferromagnetic filler material is arranged in a plurality or all of the flux barrier regions of the layers to electrically connect the flux barrier regions of adjacent layers to one another so that cage bars of a rotor cage of the rotor which extend axially parallel or skewed with respect to the axis of rotation are formed by the filler material in the flux barrier regions. | 2016-02-25 |
20160056675 | BRUSHLESS MOTOR AND DISK DRIVE APPARATUS - A brushless motor includes a stationary unit and a rotary unit rotatably supported with respect to the stationary unit. The stationary unit includes an armature and a base member arranged to support the armature. The rotary unit includes a magnet, a hub made of a magnetic material and a rotor yoke made of a magnetic material. The armature includes a plurality of coil patterns arranged along a circumferential direction. The hub includes an inner lower surface, an outer lower surface and a recess portion. The recess portion is arranged between the inner lower surface and the outer lower surface and depressed upward. At least a portion of the magnet is accommodated within the recess portion. At least one of the inner lower surface and the outer lower surface is positioned above a lower surface of the magnet. | 2016-02-25 |
20160056676 | PARTIALLY SEGMENTED WOUND ROTOR ASSEMBLY FOR HIGH COPPER FILL AND METHOD - A partially segmented rotor assembly for an electric motor and a method for the same is provided. The partially segmented rotor assembly includes a first rotor segment and a plurality of second rotor segments. The first rotor segment has a plurality of first poles wound with a wire and defines a first circumferential gap between the wire of each adjacent pair of the first poles. Each second rotor segment has a second pole wound with the wire and is rigidly attached to the first rotor segment in a respective one of the first circumferential gaps to form a plurality of second circumferential gaps between the wire of each first pole and the wire of the adjacent second poles. The first and second rotor segments are configured to cooperate with one another to minimize the second circumferential gaps. | 2016-02-25 |
20160056677 | ROTOR OF ROTATING ELECTRICAL MACHINE - The rotor includes a shaft, and a rotor core that is fitted and fixed to the shaft. The shaft includes a knurled portion on an end side and a small-diameter portion formed in a tip side via a first stepped surface. The rotor core includes a small diameter hole formed in a tip side end portion of the fitting hole press-fitted onto the small diameter portion, a large diameter hole formed in an end side of the small diameter hole via a second stepped surface, and a press-fitting portion press-fitted onto the knurled portion and is formed on an end side end portion of the large diameter hole. A space part is disposed between the first stepped surface and the second stepped surface. | 2016-02-25 |
20160056678 | METHOD FOR CONNECTING MOTOR WIRE - According to the method for connecting motor wire of the present invention, wire as a first wire having folding part is connected to lead as a first lead or a second wire, each having connecting part, with connection terminal having crimping part. After folding part is folded one or more times, folding part and connecting part are crimped at crimping part. | 2016-02-25 |
20160056679 | STATOR FOR ROTARY ELECTRIC MACHINE - A stator winding includes forty-eight winding bodies | 2016-02-25 |
20160056680 | ROTATING ELECTRIC MACHINE - The present invention provides an AC generator for a vehicle, in which a resin case ( | 2016-02-25 |
20160056681 | INTEGRATED MOTOR AND CONTROLLER WITH INTERNAL HEAT SINK AND SNAP-ON DRIPSHIELD - An electric motor includes a stator, a rotor rotatable relative to the stator about a rotor axis, a motor case, and a motor controller. The motor case presents a motor chamber in which the stator is located. The motor controller is supported relative to the motor case and includes a heat-producing component external of the motor chamber. A heat sink is thermally coupled with the heat-producing component of the motor controller and is located within the motor chamber. A dripshield cooperates with the motor case to define a controller chamber in which the controller is at least substantially located. The dripshield and motor case present complementary pairs of latch components, with each pair of latch components including a dripshield latch component and a case latch component. Each pair of latch components is automatically interlocked to secure the dripshield on the motor case. | 2016-02-25 |
20160056682 | STATOR, ELECTRIC MACHINE AND ASSOCIATED METHOD - According to another embodiment of the present invention, an electric machine is provided. The machine includes a housing and a stator. The stator is fixedly secured to the housing. The machine also includes a rotor. The rotor is rotatably secured to the housing. At least one of the housing, the stator and the rotor include an inner wall defining a passageway adapted for improved fluid flow therethrough. | 2016-02-25 |
20160056683 | MOTOR - A motor includes a rotating shaft, a rotor, a stator, a bracket, and a control device mounted on the bracket. The bracket includes a cylindrical bracket main body, and a stator frame which faces the bracket main body across a clearance and holds an outer surface of the stator on the radially inward side of the bracket main body. The control device is mounted on the bracket main body. The bracket is provided with a cooling passage, and an inflow port and an outflow port connected with the cooling passage. The cooling passage includes a control device cooling passage provided between the bracket main body and the control device, a stator cooling passage provided between the bracket main body and the stator frame, and a communication passage coupling the control device cooling passage and the stator cooling passage. | 2016-02-25 |
20160056684 | Rotating Electric Machine and Electrically Driven Vehicle - A rotating electric machine allowing a rotor and a stator thereof to assume any of various numbers of poles and any of various numbers of slots and enabling a reduction in vibration and noise is provided. The rotating electric machine according to the present invention includes a stator having a plurality of teeth and a plurality of slots, which is configured so that the shape of the front ends of the teeth and the opening width of the slots are made to change cyclically F times along the circumferential direction (F is a natural number equal to or greater than 2). | 2016-02-25 |
20160056685 | VIBRATION GENERATING APPARATUS - In a vibration generating machine having two rotary shafts provided with eccentric spindles disposed parallel to each other, motors Ma, Mb are disposed so as to reduce the capacity or power consumption of the motors required in a vibration generating machine having two rotary shafts provided with eccentric spindles disposed parallel to each other, and to drive the two rotary shafts | 2016-02-25 |
20160056686 | BRUSHLESS WIPER MOTOR - A motor case ( | 2016-02-25 |
20160056687 | ELECTRIC MOTOR AND WIPER MOTOR - An electric motor ( | 2016-02-25 |
20160056688 | CONTROL BOX FOR GENERATOR SET - A control box for a generator set, including a support structure configured to be mounted to a rail. The support structure can include a first planar panel configured to be mounted to the rail, and a second planar panel offset from the first planar panel and configured to be mounted to the rail. The control box can also include a top cover configured to be connected to the first planar panel and the second planar panel and to cover a top portion of the support structure, a first side cover configured to be connected to the first planar panel and the second planar panel and substantially perpendicular to the top cover, and a second side cover configured to be offset from the first side cover and configured to be connected to the first planar panel and the second planar panel. | 2016-02-25 |
20160056689 | ELECTRIC POWER GENERATOR USING VEHICLE - The present invention relates to a power generation system using a vehicle. The power generation system includes: a vehicle, such as an automobile, a train, an airplane, and an escalator, for carrying people or freight; a movement route, such as a road, a railroad, and a runway, formed so that the vehicle can move thereon; and a power generation unit including a magnetic force generation portion and a magnetic force receiving portion alternatively installed in the vehicle and the movement route, and configured to generate electric energy using electromagnetic induction occurring due to relative movement between the magnetic force generation portion and the magnetic force receiving portion according to movement of the vehicle. | 2016-02-25 |
20160056690 | ROTATING ELECTRIC MACHINE - The rotating electric machine includes a housing, a pair of bearings that is fixed by the housing, a shaft supported at opposite ends thereof by the respective bearings, a rotor mounted on the shaft for rotation therewith, and a stator disposed in such a manner as to surround the rotor. A rotational speed detection gear is mounted on the shaft for rotation therewith at a position between the rotor and one of the bearings and in a vicinity of the bearing, and the rotational speed detection gear has a plurality of gear teeth at an outer circumference thereof. A rotational speed detector is provided at a position in the housing so as to face the gear teeth of the rotational speed detection gear. A rotating member for generating a flow of air is disposed in the housing. | 2016-02-25 |
20160056691 | SELF-CENTERING FOR ENCODER DEVICE - A self-centering device for a motor having a base and a shaft extending through the base and rotatable relative to the base along an axis includes a housing having a flange for securing the housing to the motor base. A bushing is connected to the housing and has a passage for receiving the motor shaft. A rotary encoder is secured to the housing and configured to measure at least one of position or rotation of the motor shaft. Positioning the motor shaft in the passage in the bushing centers the housing on the motor shaft to place the encoder in a desired position for measuring the at least one of position or rotation of the motor shaft. | 2016-02-25 |
20160056692 | MOTOR CONTROL DEVICE - A motor control device is provided that enables smooth rotation control from a low-speed region to a high-speed region. A microcomputer of the motor control device calculates the rotation speed of a rotor from the time between edges that appear per 60° electrical angle at the time of starting the motor, from a signal that is output when a the hall sensor detects the magnetic field of a rotating rotor and, in conjunction with an increase in the rotation speed of the rotor, calculates the rotation speed of a rotor from the time between edges that appear at electrical angles that are larger than the electrical angle 60° in the signal, per 180° electrical angle, per 360° electrical angle, per 900° electrical angle, and per 1800° electrical angle. | 2016-02-25 |
20160056693 | ELECTRIC MACHINE, CONDUCTOR GUIDE AND ASSOCIATED METHOD - An electric machine is provided. The electric machine includes a rotor and a stator. The stator includes a plurality of teeth and a plurality of windings. Each of the plurality of windings is positioned around at least one of the plurality of teeth. The electric machine further includes a leakage current shielding system. The leakage current shielding system includes a plurality of leakage current shields. Each of the current shields includes a body portion thereof which is positioned between the plurality of teeth and the plurality of windings. Each of the leakage current shields also includes a connecting portion that extends from the body portion. The leakage current shielding system also includes a plurality of connectors. Each of the plurality of connectors is adapted for receiving the connection portion of the leakage current shield. The leakage current shielding system also includes a connecting ring for securing the plurality of connectors. | 2016-02-25 |
20160056694 | RESIN SEALING METHOD OF MOTOR CORE AND APPARATUS USED FOR RESIN SEALING METHOD OF MOTOR CORE - Provided is a resin sealing method of a motor core having a rotor core and a stator core formed in such a way that a plurality of iron core pieces is laminated. The resin sealing method includes pressing the rotor core and the stator core from a direction of lamination by using a set of an upper die and a lower die, then extruding a resin stored in a resin reservoir pot provided in one or both of the upper die and the lower die by using a plunger and allowing a magnet-insert hole formed in the direction of lamination of the rotor core and a connection hole formed in the direction of lamination of the stator core to be filled with the resin and harden the resin. | 2016-02-25 |
20160056695 | PRODUCTION LINES FOR PRODUCING CORE COMPONENTS OF DYNAMO ELECTRIC MACHINES - A production line ( | 2016-02-25 |
20160056696 | ROTARY ELECTRIC MACHINE AND MANUFACTURING METHOD THEREFOR - A stator core includes an inner ring core composed of a plurality of teeth arranged in the circumferential direction and a connection portion connecting inner circumferential portions of the plurality of teeth; and an outer ring core to be joined to an outer circumferential surface of the inner ring core. Slots of the stator core each have a circumferential direction width (a) on an inner circumference side smaller than a circumferential direction width (b) on an outer circumference side. A stator coil composed of conductive coils including a plurality of slot accommodated portions and a plurality of coil end portions connecting the slot accommodated portions is inserted and placed in the slots from an outer side in the radial direction of the inner ring core. | 2016-02-25 |
20160056697 | METHOD FOR MANUFACTURING A STATOR FOR A ROTATING ELECTRICAL MACHINE - A method for manufacturing a stator for a rotating electrical machine by placing coils in a stator core, wherein each of a plurality of teeth formed in a radial pattern in an inner periphery of an annular yoke portion in the stator core has tip-end parallel side surfaces formed in its tip end portion having a constant width in a circumferential direction, has intermediate tilted side surfaces continuous with the tip-end parallel side surfaces and formed in its portion whose width in the circumferential direction increases closer to an outer periphery, and has base-end parallel side surfaces continuous with the intermediate tilted side surfaces and formed in its base end portion having a constant width in the circumferential direction. | 2016-02-25 |
20160056698 | CAST COPPER ALLOY FOR ASYNCHRONOUS MACHINES - The invention relates to a copper alloy having the following composition (in % by weight): in each case 0.05 to 0.5% of at least three elements selected from the group consisting of Ag, Ni, Zn, Sn and Al, remainder Cu and unavoidable impurities, optionally 0.01 to 0.2% of one or more elements selected from the group consisting of Mg, Ti, Zr, B, P, As, Sb. The invention also relates to a current-carrying structural part made of a copper alloy and also to a cage rotor having a plurality of conductor bars and two short-circuiting rings, which are cast in one piece from a copper alloy. | 2016-02-25 |
20160056699 | LINEAR COMPRESSOR - Provided is a linear compressor. The linear compressor includes a cylinder defining a compression space for a refrigerant, a piston reciprocated in an axis direction within the cylinder, and a linear motor providing power to the piston. The linear motor includes an inner stator disposed outside the cylinder, the inner stator including a center core and a side core disposed on at least one side of the center core, an outer stator disposed to be spaced outward from the inner stator in a radius direction, and a magnet movably disposed in an airgap defined between the inner stator and the outer stator. The side core includes a core body and a lead-out guide device coupled to the core body to expose or lead out a power line to the outside of the side core. | 2016-02-25 |
20160056700 | INDEPENDENT MOTION ACTUATOR - Techniques for independent motion actuator are described herein. The techniques may include a first linear actuator, a first driven carriage to be driven by movement of the first linear actuator, and a first free carriage in line with the first linear actuator but being disengaged from the first linear actuator. The techniques may also include a second linear actuator substantially parallel to the first linear actuator. A second driven carriage is to be driven by movement of the second linear actuator, and a second free carriage in line with the second linear actuator but being disengaged from the second linear actuator and to be coupled to the first driven carriage. | 2016-02-25 |
20160056701 | FLAT COIL ASSEMBLY FOR LORENTZ ACTUATOR MECHANISM - A Lorentz actuator mechanism, which controls the motion of a mobile component relative to a static component, includes a flat coil assembly which is physically coupled to the mobile component in a magnetic field of one or more magnets and is configured to adjust a position of the mobile component, relative to the static component, based at least in part upon Lorentz forces. The flat coil assembly includes at least one conductor element, at least partially bounded by a set of insulator elements within an interior of the flat coil assembly, which forms a coil structure, within the interior of the flat coil assembly, which is configured to generate the Lorentz forces based at least in part upon an electrical current through the at least one conductor element. | 2016-02-25 |
20160056702 | MIXED-MODE POWER FACTOR CORRECTION - A controller for controlling a power converter is described. The controller may be configured determine a parameter value associated with the power converter, compare the parameter value to a predefined value, and change the conduction mode of the power converter based on the comparison. | 2016-02-25 |
20160056703 | INFORMATION EXCHANGE VIA FLYBACK TRANSFORMER FOR SECONDARY SIDE CONTROL - A power circuit is described that includes a transformer having a primary winding and a secondary winding, a primary side coupled to the primary winding and a secondary side coupled to the secondary winding. The primary side includes a primary element configured to switch-on or switch-off based on a primary voltage or a primary current at the primary side. The secondary side includes a secondary element and a control unit that is isolated from the primary side. The control unit is configured to control the secondary element to transfer secondary side energy, via the transformer, from the secondary side to the primary side to control an amount of primary side energy transferred, via the transformer, from the primary side to the secondary side. | 2016-02-25 |
20160056704 | INFORMATION EXCHANGE VIA FLYBACK TRANSFORMER FOR PRIMARY SIDE CONTROL - A power circuit is described that includes a transformer having a primary winding and a secondary winding, a primary side coupled to the primary winding and a secondary side coupled to the secondary winding. The primary side includes a primary element configured to switch-on or switch-off based at least in part on a primary voltage or a primary current at the primary side. The secondary side includes a secondary element and secondary logic that is isolated from the primary side. The secondary logic is configured to detect a change to an amount of load coupled to the power circuit, and in response to detecting the change to the amount of load, control the secondary element to transfer secondary side energy, via the transformer, from the secondary side to the primary side to control an amount of primary side energy transferred, via the transformer, from the primary side to the secondary side. | 2016-02-25 |
20160056705 | DIRECT CURRENT (DC) VOLTAGE CONVERTER OPERATION MODE TRANSITION - A direct current (DC) voltage converter configured to transition between operation modes is disclosed. A voltage selection circuitry is provided in a DC voltage conversion circuit to control a buck-boost converter that generates a DC output voltage. As opposed to conventional methods of switching the buck-boost converter between a buck mode and a boost mode based on a single switching threshold, the voltage selection circuitry is configured to switch the buck-boost converter between the buck mode and the boost mode based on multiple voltage thresholds. Each of the multiple voltage thresholds defines a respective range for the DC output voltage. By controlling the buck-boost converter based on multiple voltage thresholds, it is possible to provide a smoother transition between the buck mode and the boost mode, thus reducing voltage errors in the DC output voltage and improving reliability of the DC voltage conversion circuit. | 2016-02-25 |
20160056706 | MATRIX CONVERTER, MATRIX CONVERTER CONTROL DEVICE AND MATRIX CONVERTER CONTROL METHOD - A matrix converter includes a selector, a commutation controller, a determinator, and a condition changer. The selector selects one commutation pattern from plurality of commutation patterns based on a state of a phase voltage of a AC power source and a state of a phase current of a load. The commutation controller performs commutation control by controlling bidirectional switches pursuant to the commutation pattern selected by the selector to switch a connection state of the AC power source and the load. The determinator determines a power loss generated by the commutation control in the bidirectional switches. The condition changer changes the commutation patterns which become a selection target of the selector or a selection condition of the commutation patterns which become the selection target of the selector, based on the power loss determined by the determinator. | 2016-02-25 |
20160056707 | NOTCH FILTER FOR RIPPLE REDUCTION - A notch filter is controlled synchronously with a chopper to filter out chopping ripple. In one embodiment, the notch filter is coupled to the differential output of the chopper and includes a sampling capacitor, a hold capacitor, and a second set of switches between the sampling capacitor and the hold capacitor. The second set of switches is temporarily closed once per chopper switching cycle to transfer charge from the sampling capacitor to the hold capacitor such that the ripple from the chopper is not transferred to the hold capacitor. The voltage across the hold capacitor may be coupled to any other circuit, such as to the differential inputs of an amplifier. | 2016-02-25 |
20160056708 | RIPPLE FILTER CIRCUIT AND RIPPLE FILTER METHOD - A method of filtering a ripple can include: (i) generating, by a sampling circuit, a sense voltage signal that represents an output current flowing through a load; (ii) generating, by a filter circuit, a filter voltage signal by filtering the sense voltage signal, where the filter circuit includes a switch capacitor circuit and a filter capacitor; and (iii) generating, by an error amplifying circuit, an error compensation signal by amplifying a difference between the sense voltage signal and the filter voltage signal, where the error compensation signal is configured to compensate and regulate the output current flowing through the load by controlling a power switch that is coupled to the load and the sampling circuit. | 2016-02-25 |
20160056709 | METHOD AND APPARATUS FOR INDUCTIVE-KICK PROTECTION CLAMP DURING DISCONTINUOUS CONDUCTION MODE OPERATION - A method includes determining that a current at an inductor in a series transfer capacitor buck converter is decaying to zero during a first cycle. The method also includes, in response to determining that the current at the inductor is decaying to zero, enabling an electrostatic discharge (ESD) structure and turning off a low side transistor. The ESD structure is disposed at a node connecting the low side transistor, a high side transistor and the inductor. The method further includes disabling the ESD structure before the high side transistor is turned on during a next cycle following the first cycle. | 2016-02-25 |
20160056710 | MECHANICAL BYPASS SWITCH DEVICE, CONVERTER ARM AND POWER CONVERTER - It is provided a mechanical bypass switch device arranged to bypass a converter cell in a power converter. The mechanical bypass switch device includes: a mechanical switch; a mechanical switch actuator arranged to make the mechanical switch conduct when supplied with an electric signal; a first control input; and a second control input. The mechanical bypass switch device is arranged such that a control signal, provided on either one of the first control input and the second control input or on both of the first control input and the second control input, causes the mechanical switch to conduct. A corresponding converter arm and bypass converter are also presented. | 2016-02-25 |
20160056711 | RESONANT CURRENT LIMITING DEVICE - A resonant current limiting device, for a resonant current passage having a loop shape including at least one capacitor and a wiring passage with at least one inductor or inductance component, includes: an electric storage element connected in series with the capacitor; a driving power source; and a voltage controller that charges and discharges an electric charge in the electric storage element, which is supplied from the driving power source, controls a terminal voltage of the electric storage element to be a predetermined instruction voltage, and restricts a resonant current component flowing through the wiring passage. | 2016-02-25 |
20160056712 | AUDIBLE NOISE AVOIDING CIRCUIT AND DC-DC BOOST CONVERTER HAVING THE SAME - An audible noise avoiding circuit and a DC-DC boost converter for a DC-DC boost converter are provided. The audible noise avoiding circuit comprises a timing controller and a linear regulator. The timing controller discharges a timing capacitor to a low voltage according to switching of the DC-DC boost converter. A sink output stage of the liner regulator is coupled to the output voltage node. When the voltage of the timing capacitor is higher than a threshold voltage, the compensation unit compensates the output of the operational amplifier for gradually turning on the sink output stage in order to gradually reduce the voltage of the output voltage node. A predetermined charging time interval is defined by the time interval of charging the timing capacitor from the low voltage to the threshold voltage, the reciprocal of the predetermined time interval is a frequency in the ultrasonic wave frequency range. | 2016-02-25 |
20160056713 | ELECTRICAL POWER SUPPLY - A method supplies power from a power source to a load. The method includes, in a first mode, electrically coupling a step-down converter node of a step-down converter alternately to the power source via a conductive bypass path that bypasses a step-up converter and to ground. The step-up converter has an input electrically coupled to the power source and the step-down converter has an output electrically coupled to the load. The method further includes, in a second mode, coupling the step-down converter node alternately to the power source via the bypass path and to an output of the step-up converter. | 2016-02-25 |
20160056714 | A Voltage Modulator - A voltage modulator ( | 2016-02-25 |
20160056715 | POWER CONVERSION APPARATUS AND REFRIGERATION AIR-CONDITIONING APPARATUS - A power converter for converting electrical power from a power source to a load, including: a boosting device including a boost rectifier configured to prevent a backflow of a current from the load to the power source, the boosting device being configured to change a voltage of electrical power from the power source to a predetermined voltage; and a commutation device including: a commutation operation device configured to perform a commutation operation of directing a current flowing through the boosting device to an other path; and a commutation rectifier including a plurality of rectifiers and connected in series on the other path, the commutation rectifier being configured to rectify a current relating to commutation, thereby reducing a capacitance component. | 2016-02-25 |
20160056716 | APPARATUS AND SYSTEM FOR ADJUSTING INTERNAL VOLTAGE - An apparatus for adjusting an internal voltage includes a device characteristic detection circuit which detects a device characteristic, compares the device characteristic with an external clock, and generates a comparison signal, and an internal voltage adjustment circuit which receives an adjustment code generated based on the comparison signal, adjusts a level of an internal voltage, and generates a level-adjusted internal voltage. | 2016-02-25 |
20160056717 | POWER SUPPLY STABILIZING CIRCUIT AND PHOTODETECTOR USING THE SAME - A power supply stabilizing circuit includes a diode having a cathode connected to an output terminal of a direct current power circuit configured to generate a direct current voltage and to supply the voltage therefrom to a load circuit, and a capacitor connected to an anode of the diode. The power supply stabilizing circuit may further include a transistor having a first terminal connected to the output terminal of the direct current power circuit, a second terminal connected to a connection node between the diode and the capacitor, and a switching electrode connected to the connection node. | 2016-02-25 |
20160056718 | SENSOR DEVICE AND MONITORING SYSTEM - A sensor device includes a first sensor unit, a control IC configured to switch a power supply route, a power supply, a DC converter, and a regulator configured to regulate the voltage. A power supply route A and a power supply route B is provided as a power supply route from the power supply to the sensor unit and the control IC. In the power supply route A, the sensor unit is not electrically conducted to the power supply, and the control IC is directly connected to the power supply. In the power supply route B, the power supply, the DC converter, and the regulator are connected in series, output of the regulator is supplied to the sensor unit, and output of the DC converter is supplied to the control IC. The control IC switches between the power supply route A and the power supply route B according to an operating state of the sensor unit. | 2016-02-25 |
20160056719 | POWER CIRCUIT AND CONTROL METHOD THEREFOR - According to an embodiment, provided is a power circuit including: a switching transistor connected between an input terminal and an output terminal; a drive circuit configured to output a drive signal that controls on/off of the switching transistor; an error calculation circuit configured to output an error value between the output voltage and reference voltage; a determination circuit configured to compare a reference value obtained from the error value with a predetermined threshold value and then output a control signal; and a control circuit configured to control a frequency of the drive signal in response to the control signal. | 2016-02-25 |
20160056720 | POWER MANAGING APPARATUS, DC-DC CONTROL CIRCUIT, AND METHOD FOR ENABLING CHIP - A power managing apparatus, a DC-DC control circuit, and a method for enabling a chip are disclosed. The power managing apparatus has an enable pin and the enable pin is used to couple a first level control circuit. The power managing apparatus includes a second level control circuit and a level detecting circuit. The second level control circuit is coupled to the enable pin. The level detecting circuit is coupled to the enable pin and used to detect a control signal on the enable pin. The control signal is transmitted from the first level control circuit. The control signal has at least three levels according to operations of the first level control circuit and the second level control circuit. | 2016-02-25 |
20160056721 | POWER TRANSISTOR WITH DISTRIBUTED GATE - An electronic circuit is disclosed. The electronic circuit includes a distributed power switch. In some embodiments, the electronic circuit also includes one or more of a distributed gate driver, a distributed gate pulldown device, a distributed diode, and a low resistance gate and/or source connection structure. An electronic component comprising the circuit, and methods of manufacturing the circuit are also disclosed. | 2016-02-25 |
20160056722 | DC-DC CONVERTER - A DC-DC converter includes a first switching element and a second switching element; a pulse signal generating circuit which generates a pulse signal used to control on/off periods of the switching elements; a limiting circuit which generates a minimum pulse width signal; a selector configured to select one of the pulse signal and the minimum pulse width signal, and a driver circuit switches the first and second switching element and a reverse current detecting circuit detects a reverse current. The driver circuit controls the first or second switching element, when the reverse current is detected. The selector selects the pulse signal when the reverse current is not detected, and selects the minimum pulse width signal when the reverse current is detected. | 2016-02-25 |
20160056723 | Buck Converter Having Self-Driven BJT Synchronous Rectifier - A switching converter has a self-driven bipolar junction transistor (BJT) synchronous rectifier. The BJT rectifier includes a BJT and a parallel-connected diode, and has a low forward voltage drop. In a first portion of a switching cycle, a main switch is on and the BJT rectifier is off. Current flows from an input, through the main switch, through the first inductor, to an output. Current also flows through the main switch, through the second inductor, to the output. In a second portion of the cycle, the main switch is turned off but the inductor currents continue to flow. Current flows from a ground node, through the BJT rectifier, through the first inductor, to the output. The BJT is on due to the second inductor drawing a base current from the BJT. In one example, the main switch is a split-source NFET that conducts separate currents through the two inductors. | 2016-02-25 |
20160056724 | Switching Power Supplies And Methods Of Operating Switching Power Supplies - A switching power supply includes a transformer having a primary side and a secondary side. The primary side is coupled to a switch for controlling current flow through the primary side and the secondary side generates an output voltage. A controller controls switching of the switch to generate a first power level on the secondary side of the transformer when the power supply is in a stand-by mode and a second power level when the power supply is in an active mode. A monitor samples the output voltage, generates a reference voltage, and generates a wake up signal in response the output voltage being less than the reference voltage. The controller controls the switch in response to the wake up signal to generate the first power level. | 2016-02-25 |
20160056725 | CONTROL VOLTAGE ADJUSTING CIRCUIT, FEEDBACK SIGNAL GENERATING CIRCUIT, AND CONTROL CIRCUIT INCLUDING THE SAME - A feedback signal generating circuit may include a control voltage adjusting circuit outputting a feedback voltage by comparing a control voltage input from an external voltage source with a reference voltage and adjusting a ratio of control voltage drop, and an amplifying circuit generating a feedback signal by differentially amplifying the feedback voltage and a detection voltage associated with a current flowing in a load. | 2016-02-25 |
20160056726 | STEP-UP OR STEP-DOWN CONVERTER COMPRISING A BYPASS CAPACITOR - A converter includes a converter inductor, a converter diode, and a converter switch, wherein the converter inductor, the converter diode and the converter switch operate together to receive an input voltage and generate a converted output voltage. The converter further includes a bypass circuit that is connected in parallel with the converter switch; the bypass circuit includes a bypass capacitor connected in series with a diode, wherein a forward direction of the diode is the same as a regular direction of current flow through the converter switch. The converter also includes a discharge circuit configured to discharge the bypass capacitor, wherein the discharge circuit includes an inductor. The inductor of the discharge circuit is magnetically coupled to the converter inductor. | 2016-02-25 |
20160056727 | POWER CONVERSION DEVICE - A power conversion device includes: a DC current calculation unit for calculating a circulating current component for each phase which circulates between the phases through first arms and/or second arms not via an AC power supply and a DC power supply; and a circulating current control unit for controlling the circulating current component for each phase so as to follow a predetermined circulating current command value, thereby reliably suppressing variation in voltages of DC capacitors of unit cells among the phases even in such a case where an impedance is additionally inserted in a DC circuit. | 2016-02-25 |
20160056728 | MULTILEVEL CONVERTER - A power converter includes at least one leg having a first string operatively coupled to a second string via a first connecting node and a second connecting node. The first string includes a first branch and a second branch operatively coupled via a third connecting node. Each of the branches has a plurality of switching units, a controllable semiconductor switch and the first connecting node and the second connecting node. The first string is operatively coupled across a first bus and a second bus. Furthermore, the second string includes a plurality of controllable semiconductor switches. | 2016-02-25 |
20160056729 | SYSTEMS AND METHODS FOR ENHANCED OPERATION AND PROTECTION OF POWER CONVERTERS - An electrical system includes an AC power source and a power converter including at least one first terminal and at least one second terminal. The first terminal is configured to receive voltages with a DC component and the second terminal is configured to receive voltages that have a non-zero time average value including AC and DC components. The electrical system also includes an AC power transmission subsystem coupled to and extending between the AC power source and the power converter. The electrical system further includes a current diversion system including a plurality of first switching devices coupled to the AC power transmission subsystem. The current diversion system also includes a second switching device including a third terminal coupled to the first terminal and a fourth terminal coupled to the second terminal. The second switching device is configured to transmit current only from the third terminal to the fourth terminal. | 2016-02-25 |
20160056730 | CONVERTER, CONTROLLER, AND CONTROL METHOD - A control method for a power converter is provided. The power converter includes an inductor, and a switch selectively turned on according to a control signal. The control method includes determining an on-time and a falling time according to a voltage information or a current information of the power converter; determining a switching period of the control signal according to the on-time, the falling time, and a resonant period corresponding to the inductor and a parasitic capacitance of the switch; adjusting the switching period by comparing the switching period with a first threshold period and a second threshold period; generating the control signal having the switching period when the switching period is greater than the first threshold period and less than the second threshold period or when the switching period is greater than the second threshold period and the power converter operates at over 50% of a rated power. | 2016-02-25 |
20160056731 | Portable Power Supply - A portable power supply includes a housing, and power circuitry providing an output AC waveform having a first positive voltage step level, a second higher positive voltage step level, a third lower positive voltage step level, a fourth negative voltage step level, a fifth higher negative voltage step level, and a sixth lower negative voltage step level. | 2016-02-25 |
20160056732 | SWITCHING BRANCH FOR THREE-LEVEL INVERTER AND METHOD FOR CONTROLLING SWITCHING BRANCH OF THREE-LEVEL INVERTER - A switching branch for a three-level inverter, comprising a first and second switch (S | 2016-02-25 |
20160056733 | PIEZOELECTRIC DRIVE CIRCUIT - A piezoelectric drive circuit includes a first circuit which applies a voltage to the piezoelectric element and includes a plurality of transistors. A second circuit removes the residual current of the piezoelectric element and includes a plurality of transistors, and among the transistors included in the first circuit and the second circuit, transistors operated by an input signal are simultaneously turned ON/OFF by receiving the same input signal. Thus, when using a piezoelectric element as the air valve, it is possible to reduce leakage of air. | 2016-02-25 |
20160056734 | CONFORMABLE ELECTROADHESIVE HOLDING DEVICE - A gripping device is described, and includes a holder including a base and a conformable jamming element having an electroadhesive element on a surface thereof and a controllable voltage source that is electrically connected to the electroadhesive element. | 2016-02-25 |
20160056735 | DRIVE CONTROL CIRCUIT FOR LINEAR VIBRATION MOTOR AND METHOD - A drive signal generating unit generates a drive signal used to alternately deliver a positive current and a negative current to a coil. A driver unit generates the drive current in response to the drive signal generated by the drive signal generating unit and supplies the drive current to the coil. After the drive termination of a linear vibration motor, the drive signal generating unit generates a drive signal whose phase is opposite to the phase of the drive signal generated during the motor running. The driver unit quickens the stop of the linear vibration motor by supplying to the coil the drive current of opposite phase according to the drive signal of opposite phase. | 2016-02-25 |
20160056736 | POSITION CONTROL APPARATUS - A tandem control method is applied to a position control apparatus. The tandem control method controls one object to be controlled by individually driving a first driving shaft and a second driving shaft. A speed difference between the first driving shaft and the object to be controlled is amplified and added to a torque command value of the first driving shaft. A speed difference between the second driving shaft and the object to be controlled is amplified and added to a torque command value of the second driving shaft. | 2016-02-25 |
20160056737 | REDUCTION TECHNIQUE FOR PERMANENT MAGNET MOTOR HIGH FREQUENCY LOSS - A system including a motor loss reducing controller system utilizing input band-shifting, an integral control architecture and inverse band-shifting is disclosed. The motor loss reducing controller system may provide correction of harmonic currents flowing to a PM motor from a motor controller. The compensation is added to the PWM voltage command signals. Within a compensator, d-axis and q-axis current feedback signals are frequency shifted down by n times the fundamental frequency. This converts the initial motor stationary harmonic currents into DC values. The frequency shifting is completed by multiplying the feedback signal by sine and cosine carrier signals of the shifted frequency. An integral controller may cancel any component of error at a desired DC value. An inverse frequency-shift transformation is applied to the output of the I controller in order to shift the command output signal back to the original reference frame. | 2016-02-25 |
20160056738 | APPARATUS AND METHOD FOR COMPENSATING FOR TORQUE FOR CURRENT ORDER OF DRIVING MOTOR - An apparatus for compensating for a torque for a current order of a driving motor includes: a current order generator configured to: i) receive a torque order (Tref*), ii) generate a magnetic flux-based current order map using a generated driving point ratio (1/λ max), and iii) generate a current order using the generated current order map; and an iron loss torque compensator configured to extract an iron loss torque compensation value for the generated current order and a speed (Wrpm) of the driving motor. | 2016-02-25 |
20160056739 | APPARATUS FOR CONTROLLING ROTARY MACHINE - In a control apparatus, an extractor extracts, from a rotational speed of a rotating member, a vibration component included in the rotational speed of the rotating member. A first suppressor performs first suppression to suppress the rotational speed of the rotating member from changing due to change of a speed change ratio. A mode setter switchably sets one of an enabling mode to enable the first suppression or a disabling mode to disable the first suppression in the control apparatus according to a parameter indicative of the speed change ratio. A second suppressor performs second suppression to suppress change of the vibration component generated based on switching of one of the enabling mode and the disabling mode to the other thereof. | 2016-02-25 |
20160056740 | TRANSITION SCHEME FOR POSITION SENSORLESS CONTROL OF AC MOTOR DRIVES - Motor drive control apparatus and methods are presented for sensorless control of a driven motor using open loop current regulated control during low-speed operation and an EMF-based position observer for position estimation during higher speed operation, with zero feedback speed during low-speed open-loop operation and feedback speed estimated by the EMF-based observer during high-speed operation and with velocity mode control over the full speed range and mode control hysteresis for smooth transitions between open loop and EMF-based observer control. | 2016-02-25 |
20160056741 | DEVICE FOR DETERMINING A POSITION OF A ROTOR OF AN ELECTRIC MOTOR - A device for determining a rotor position in a polyphase electric motor has a power control unit for applying drive voltages according to a pulse width modulation scheme so as to synchronously drive the motor. A measurement unit is arranged for measuring a voltage value on a respective phase by determining a zero-crossing interval where the phase current is around zero, disconnecting the phase from the respective drive voltage during the zero-crossing interval, and measuring the voltage value when the drive voltage of a first other phase is the supply voltage and the drive voltage of a second other phase is the zero voltage. A position unit is arranged for determining the rotor position based on the voltage value. | 2016-02-25 |
20160056742 | MOTOR DRIVE CIRCUIT AND ILLUMINATION APPARATUS AND METHOD - A motor-drive circuit includes: an output transistor configured to supply a drive current to a motor for a cooling fan; a switching-control circuit configured to control switching of the output transistor so that the motor rotates in a first direction, or rotates in a second direction opposite to the first direction; and a switching circuit configured to, when a first time has elapsed since start of rotation of the motor in the first direction, cause the switching-control circuit to start switching control so that the motor stops rotating in the first direction and thereafter rotates in the second direction, and configured to, when a second time has elapsed since start of rotation of the motor in the second direction, cause the switching-control circuit to start switching control so that the motor stops rotating in the second direction and thereafter rotates in the first direction. | 2016-02-25 |
20160056743 | MOTOR DRIVE CONTROL APPARATUS AND MOTOR DRIVE CONTROL METHOD - A motor drive control apparatus supplies drive currents including orthogonal alternating current components to armature coils of a motor so that a magnetized rotor is rotated. The motor drive control apparatus includes a high frequency generator that generates a high frequency signal which is superimposed on one of the drive currents, a position estimator that receives position information indicating an estimated position of the rotor based on a response signal to the high frequency signal, and an amplitude controller that controls amplitudes of the drive currents according to the position information. | 2016-02-25 |
20160056744 | CONTROL TECHNIQUES FOR AN INTERIOR PERMANENT MAGNET SYNCHRONOUS MOTOR OF AN ELECTRIFIED VEHICLE - A system and method for controlling an interior permanent magnet synchronous motor (IPMSM) are presented. In an exemplary implementation, phase current ripple estimation techniques are utilized for variable frequency switching pulse-width modulation control of the IPMSM. In one implementation, the method includes controlling a three-phase inverter based on an initial switching frequency to generate a three-phase alternating current (AC) voltage for the IPMSM. Transformed voltages are determined in a rotating reference frame based on the three-phase AC voltage in the stationary reference frame. Current ripples are determined in the rotating reference frame based on the transformed voltages. Phase current ripples are determined in the stationary reference frame based on the current ripples in the rotating reference frame. A modified switching frequency for the three-phase inverter is determined based on the initial switching frequency and the phase current ripples. The three-phase inverter is then controlled based on the modified switching frequency. | 2016-02-25 |
20160056745 | ROTARY ELECTRIC MACHINE CONTROL APPARATUS - A rotary electric machine control apparatus controlling drive of a rotary electric machine includes a pre-limit d-axis voltage arithmetic portion calculating a pre-limit d-axis voltage command value; a pre-limit q-axis voltage arithmetic portion calculating a pre-limit q-axis voltage command value; a d-axis limit portion calculating a d-axis voltage command value; and a q-axis limit portion calculating a q-axis voltage command value. When an absolute value of the pre-limit q-axis voltage command value is greater than an absolute value of a second limit value, and an absolute value of a previous q-axis voltage command value is equal to or greater than the absolute value of the second limit value and is equal to or less than an absolute value of a first limit value, the q-axis limit portion determines a previous q-axis voltage command value as the q-axis voltage command value. | 2016-02-25 |
20160056746 | APPARATUS FOR DRIVING SRM AND CONTROLLING METHOD THEREOF - There is provided an apparatus for driving a switched reluctance motor (SRM), the apparatus including a motor driver for applying an input voltage to each phase of the SRM to drive the SRM through a switching operation, and a processor for controlling a driving state of the SRM through control of the switching operation based on a rotational speed of the SRM. | 2016-02-25 |
20160056747 | Dynamically Reconfigurable Motor and Generator Systems - An electrical machine comprises a rotor, and a stator magnetically coupled to the rotor and having a plurality of slots and a plurality of windings, wherein each winding is installed in two corresponding slots, a plurality of magnetic poles and a plurality of phases in each pair of poles are formed when currents flow through the windings, and the windings are so configured that the number of phases and the number of poles can be dynamically adjusted. | 2016-02-25 |
20160056748 | Dynamic Power Control for Induction Motors - An example electric motor including a conductive winding, a switching device, a rotor, and a controller is disclosed. The switching device is configured to selectively energize, by an AC source, a first portion of the conductive winding in a first state and a second portion of the conductive winding in a second state. The conductive winding generates a magnetic field having a first strength in the first state and a second strength in the second state. The rotor magnetically interacts with the magnetic field such that a torque is applied to the rotor. The amount of torque applied is related to the strength of the magnetic field. The controller is configured to: (i) determine a metric indicative of a load condition of the electric motor; and (ii) based on the determined metric, cause the switching device to switch between the first state and the second state one or more times. | 2016-02-25 |
20160056749 | SERVOMOTOR CONTROL SYSTEM INCLUDING A BUFFER SERVOMOTOR WITH A PLURALITY OF WINDINGS - A servomotor control system of the present invention includes: a multiple number of first servomotors for driving axes in a machine tool or others; a multiple number of converters for converting AC voltage into DC voltage; a multiple number of first inverters for converting DC voltage into AC voltage; second servomotors for rotating inertial bodies; a multiple number of second inverters for converting DC voltage into AC voltage; and a servomotor control unit for controlling the multiple first servomotors and the second servomotors, and is constructed such that the number of the second servomotors is less than that of the multiple second inverters, and at least one of the second servomotors includes a multiple number of independent windings, and at least part of the multiple second inverters are connected to the multiple independent windings provided for one of the second servomotors. | 2016-02-25 |