Patent application number | Description | Published |
20090072774 | DISPLACEMENT SENSING METHOD AND MOTOR CONTROL APPARATUS - A displacement sensing method of the present invention includes the steps of superimposing a predetermined signal on a torque command to supply a drive torque to a motor, measuring an amplitude spectrum ratio between the drive torque in superimposing the predetermined signal on the torque command and a motor angle measured by a displacement sensor, generating correction data for evening out the amplitude spectrum ratio, and correcting the measured motor angle so that the motor angle measured by the displacement sensor is equal to an actual motor angle using the correction data. | 03-19-2009 |
20090289042 | LIGHT BEAM SCANNING APPARATUS, LASER MACHINING APPARATUS, TEST METHOD AND LASER MACHINING METHOD - An apparatus for scanning a light beam, the apparatus comprises a mirror configured to reflect an incident light beam, a motor configured to rotate the mirror so change a direction along which the light beam reflected by the mirror travels, a detector configured to detect tilt of a detected region of the mirror with respect to a rotation angle of the mirror, and a processor configured to calculate an amount of tilt of the mirror with respect a direction along a rotation axis of the motor, based on the rotation angle of the mirror and the tilt of the detected region detected by the detector. | 11-26-2009 |
20090309532 | DISPLACEMENT DETECTING METHOD, CORRECTION TABLE MAKING METHOD, MOTOR CONTROL APPARATUS, AND PROCESSING MACHINE - A displacement detecting method of the present invention includes the steps of driving a moving part | 12-17-2009 |
20110137449 | POSITIONING CONTROL APPARATUS AND MACHINE TOOL - The positioning control apparatus includes a first motor moving a first driven member, a second motor moving a second driven member and a controller controlling the first and second motors so as to move the first and second driven members respectively to first and second target positions. The controller obtains a first moving time required for the first motor to move the first driven member to the first target position and a second moving time required for the second motor to move the second driven member to the second target position, and causes the first and second motors to concurrently operate during one of the first and second moving times longer than the other to move the first and second driven members respectively to the first and second target positions. | 06-09-2011 |
20110297655 | MIRROR ANGULAR-POSITIONING APPARATUS AND PROCESSING APPARATUS - The present invention provides an apparatus for angular positioning of a mirror, the apparatus including a motor configured to rotate a mirror, a detector configured to detect a rotational angle of the mirror, a controller configured to supply an electric current to the motor so that the rotational angle of the mirror reaches a target angle, to estimate, based on a model representing a relation between a value of the electric current to be supplied to the motor and a face tangle error angle of the mirror, a face tangle error angle of the mirror to which the electric current is supplied, and to, if the estimated angle exceeds a tolerance, perform a process of adjusting of a supply of the electric current to the motor so that the face tangle error angle of the mirror falls within the tolerance. | 12-08-2011 |
20150116681 | COMPUTER-READABLE STORAGE MEDIUM, GENERATING METHOD, GENERATING APPARATUS, DRIVING APPARATUS, PROCESSING APPARATUS, LITHOGRAPHY APPARATUS, AND METHOD OF MANUFACTURING ARTICLE - The present invention provides a computer-readable storage medium which stores a program for causing a computer to generate time-series data of an electric current to be supplied to a motor in order to cause, a control system, including the motor configured to drive an object, to transit from a first state to a second state, the program causing the computer to generate the time-series data so as to satisfy a constraint including a condition to constrain an upper limit value of dispersion of a plurality of state quantities respectively obtained from a plurality of models each of which estimates, from the time-series data, a state quantity of a specific mode of a vibration mode and motion mode of the object, and so that a value of an evaluation function for evaluating the time-series data falls within a tolerance. | 04-30-2015 |
20150192905 | DRIVING APPARATUS AND ARTICLE PROCESSING APPARATUS - Provided is a driving apparatus for driving an object. The driving apparatus includes a driving device configured to displace the object; a detector configured to detect a displacement amount of the object by the driving device; and a controller configured to control the driving device based on an output of the detector. The controller is configured to obtain a thrust characteristic of the driving device with respect to the displacement amount and to set a reference with respect to the displacement amount based on the obtained thrust characteristic. | 07-09-2015 |
Patent application number | Description | Published |
20090090577 | ANTI-DRUNK DRIVING APPARATUS FOR VEHICLE - An anti-drunk driving apparatus for a vehicle including: an alcohol drinking determination device which determines whether or not a first person seated in a driver's seat is drunk; a driving restriction device which restricts driving of the vehicle in a case where it is determined that the first person seated in the driver's seat is drunk by the alcohol drinking determination device; a driving intention presumption device which presumes whether or not a second person seated in the driver's seat has an intention to drive; a photograph device which photographs the faces of the first and second persons; and a person identification device which determines whether or not the first and second persons are the same by comparing their faces in images, wherein if it is determined that the first and the second persons are not the same, the driving restriction device restricts driving of the vehicle. | 04-09-2009 |
20120002027 | INATTENTION DETERMINING APPARATUS - An inattention determination device includes a sight direction detecting unit that detects a sight direction of a driver, and an inattention determining unit that measures an inattention continuation time from a time point when the sight direction is a predetermined inattention direction to a time point when the sight direction deviates from the predetermined inattention direction and becomes a direction other than the inattention direction and determines that the driver is inattentive when the intention continuation time is equal to or more than a predetermined time. The inattention determining unit maintains measurement of the inattention continuation time when the sight direction is changed at a speed higher than a predetermined movement speed from the predetermined inattention direction to a direction other than the inattention direction or when the sight direction is momentarily a direction other than the inattention direction. | 01-05-2012 |
20120002028 | FACE IMAGE PICK-UP APPARATUS FOR VEHICLE - There is provided a face image pick-up apparatus for a vehicle including an image pick-up unit installed in a vehicle having a steering wheel disposed in front of a driver's seat of a vehicle interior and a tilt mechanism adjusting a tilt angle with respect to a vertical direction of the steering wheel to image a face image of a driver seated on the driver's seat, wherein the image pick-up unit is disposed vertically above a central axis line of the steering wheel and vertically above the upper end of the steering wheel when the steering wheel is displaced to the upper limit position by the tilt mechanism, when viewing the steering wheel from the front. | 01-05-2012 |
20120057749 | INATTENTION DETERMINING DEVICE - An inattention determining device includes range changing unit and inattention determining unit. When a curve detection result is output from curve detector, the range changing unit changes a first predetermined range to a second predetermined range by the predetermined amount in the curve direction before a turning direction of an acquisition result is changed in the curve direction of the curve detection result. The inattention determining unit determines whether or not a driver is in an inattention state on the basis of the second predetermined range. | 03-08-2012 |
20130063596 | VEHICLE-MOUNTED DEVICE IDENTIFYING APPARATUS - If an iris or a pupil is detected as being positioned in a right area, a vehicle-mounted device identifier of a vehicle-mounted device identifying apparatus identifies a vehicle-mounted device group, which is disposed in an area that is on the right side of an area that is identified based on a facial direction detected by a facial direction detector. If the iris or the pupil is detected as being positioned in a left area, the vehicle-mounted device identifier identifies a vehicle-mounted device group, which is disposed in an area that is on the left side of an area that is identified based on the facial direction. If the iris or the pupil is detected as being positioned in a central area, the vehicle-mounted device identifier identifies a vehicle-mounted device group, which is disposed in an area that is identified based on the facial direction. | 03-14-2013 |
20130076881 | FACIAL DIRECTION DETECTING APPARATUS - A facial direction detecting apparatus includes a nostril extracting unit for extracting the nostrils of a person from among multiple characteristic portions that are extracted by a characteristic portion extracting unit. The nostril extracting unit extracts the nostrils as the characteristic portion having a greatest amount of movement from among all of the multiple characteristic portions. | 03-28-2013 |
20140129082 | AUTOMOTIVE INSTRUMENT OPERATING DEVICE AND ALERT DEVICE - An automotive instrument specifying unit of an automotive instrument operating device specifies a group of automotive instruments on the basis of the direction of gaze of an occupant detected by a gaze direction detector, and specifies one automotive instrument from among the specified group of automotive instruments on the basis of the up/down direction selected by up/down direction selecting unit when the up/down direction selecting unit has been operated in a state in which the group of automotive instruments has been specified. | 05-08-2014 |
20140249717 | VISUALLY-DISTRACTED-DRIVING DETECTION DEVICE - A visually-distracted-driving detection device that can detect visually distracted driving with high accuracy. The visually-distracted-driving detection device includes a visually-distracted-driving determination unit that determines that a driver is visually distracted if the direction in which the driver is looking is greater than or equal to a predetermined angle with respect to the front of the driver; and a prohibition unit that, if it is specified that the present position of the vehicle as specified by a present-position specifying unit is within a first predetermined distance from an intersection, prohibits a process that is performed in cases where it is determined that the driver is visually distracted. | 09-04-2014 |