Patent application number | Description | Published |
20100017054 | Engine Power Demand Load-Leveling for a Hybrid Electric Vehicle - A method for controlling a demand for engine power in a control for an engine in a hybrid electric vehicle with power-split characteristics. Following transitions from acceleration or deceleration operating modes to a steady-state operating mode, power demand excursions from road-load power are attenuated or avoided by filtering the power demand using a filter constant that changes within battery power constraints as a function of a normalized driver demand for power at traction wheels for the vehicle. | 01-21-2010 |
20100023194 | Method for Reducing Gear Rattle in a Hybrid Electric Vehicle Powertrain - A method for controlling a powertrain for a hybrid electric vehicle having an engine and a motor and gearing for establishing power flow paths from the engine and the motor with common gear elements to vehicle traction wheels. An engine power bias is applied to an engine power command and a bias to a motor torque command to avoid an operating mode in which motor torque is at or near zero, whereby gear rattle due to torque disturbances is avoided. | 01-28-2010 |
20100063704 | HYBRID ELECTRIC VEHICLE POWERTRAIN WITH ENHANCED REVERSE DRIVE PERFORMANCE - A method for controlling a hybrid electrical vehicle powertrain having an engine that is a source of power during forward drive and an electric motor that is a source of reverse driving power. A desired engine power during reverse drive is achieved by operating the engine at an increased speed that is greater than an optimum speed for a given engine power. | 03-11-2010 |
20100323844 | MOTOR POWER CONTROL - A hybrid electric vehicle includes an internal combustion engine, a traction battery, and a hybrid electric powertrain including an electric motor powered by the traction battery. A method of controlling the vehicle includes determining a desired motor torque, and calculating a desired total motor power based on the desired motor torque, current motor speed, and a loss map indicating motor losses as a function of motor torque and motor speed. The desired total motor power is limited to system limits based on traction battery charge and discharge power limits. A motor torque command which will achieve the limited total motor power is calculated. The motor is controlled based on the motor torque command. | 12-23-2010 |
20110010031 | HYBRID ELECTRIC VEHICLE CONTROL FOR MINIMIZING HIGH VOLTAGE BATTERY POWER LIMITS VIOLATIONS - A control system and method for controlling a hybrid electric vehicle powertrain with mechanical and electro-mechanical power sources that use an intelligent controller adapted to reduce driveline oscillations while minimizing hybrid vehicle battery limit violations. Damping of driveline torque oscillations is accomplished and violations of battery power limits are avoided by filtering estimated engine power. | 01-13-2011 |
20110015811 | GENERATOR POWER CONTROL - A hybrid electric vehicle includes an internal combustion engine, a traction battery, and a hybrid electric powertrain including an electric motor powered by the traction battery and an electric generator coupled to the internal combustion engine and the traction battery. A control method includes determining minimum and maximum engine power limits based on desired wheel torque and traction battery charge and discharge power limits. A generator torque command is calculated to track engine speed to the desired engine speed. The generator torque command is limited based on the minimum and maximum engine power limits to limit engine power transmitted to the powertrain. | 01-20-2011 |
20120185117 | Hybrid Vehicle and Method of Control for Engine Transient Mitigation - A hybrid vehicle and method of control are associated with the following operation. A quantized previous engine power command based on a previous engine power command is obtained. A current engine power command is quantized. The quantized current engine power command is maintained if the magnitude of the difference between the current engine power command and the quantized previous engine power command is larger than a threshold. The quantized current engine power command is set equal to the quantized previous engine power command if the magnitude of the difference between the current engine power command and the quantized previous engine power command is smaller than the threshold. An output engine power command based on the quantized current engine power command is generated. An engine of the hybrid vehicle is operated based on the output engine power command. | 07-19-2012 |
20140012441 | VEHICLE AND METHOD FOR IMPROVING PERFORMANCE AT LOW BATTERY LIMITS - A hybrid electric vehicle (HEV) includes an internal combustion engine, a traction motor, a generator, and a traction battery. Available electric power in the HEV is based upon the available power in the traction battery. The engine and the motor may both work simultaneously to propel the HEV. While the engine is powering the HEV, a controller is configured to increase a power output of the engine based upon a difference between available battery power and a combination of desired motor power and desired generator power. | 01-09-2014 |
20140278002 | ALTITUDE COMPENSATION FOR TARGET ENGINE SPEED IN HYBRID ELECTRIC VEHICLE - A method for controlling a hybrid electric vehicle includes selecting a first target engine speed in response to a driver power request, calculating an available engine torque at the first target engine speed, adjusting the target engine speed if the available engine torque is insufficient to satisfy the driver power request, and commanding an engine to run at the target engine speed. The first target engine speed is optimized for fuel economy. The calculated available engine torque is less than a calculated maximum engine torque at the target engine speed, such that a torque reserve is maintained for engine vacuum. | 09-18-2014 |
20150032309 | ENGINE SPEED CONTROL APPARATUS AND METHOD FOR A HYBRID VEHICLE - A vehicle powertrain system has an engine, a damper and an electric machine configured to be selectively mechanically coupled with the engine via damper. The vehicle powertrain system also has at least one controller programmed to filter a frequency content of a speed or torque command for the electric machine corresponding to a resonant frequency of the engine, damper and electric machine to reduce resonance of the engine, damper and electric machine. | 01-29-2015 |
20150066260 | METHOD AND SYSTEM TO ENABLE A COAST-DOWN MODE - A vehicle may include at least one electric machine, a traction battery, and a voltage boost converter electrically connecting the at least one electric machine and traction battery. The vehicle may further include at least one controller programmed to, in response to a request for drive mode while in a passive neutral mode, enable the boost converter and drive an output voltage of the boost converter to a predetermined target. The controller may be further programmed to, in response to the output voltage achieving the predetermined target, enable the at least one electric machine and drive a current through the at least one electric machine to zero such that an output torque of the at least one electric machine is approximately zero; and in response to the current achieving approximately zero, increase the current through the at least one electric machine such that the output torque is greater than zero. | 03-05-2015 |
Patent application number | Description | Published |
20100196030 | IMAGE FORMING APPARATUS - An image forming apparatus includes first and second developer carrying members and a control device. The apparatus is operable in a first mode where an image of a single color is formed using the first developer carrying member and is operable in a second mode, wherein an image of a plurality of colors is formed using the first and second developer carrying members. The control device controls a first discharging operation for discharging developer from the first developer carrying member and a second discharging operation for discharging developer from each of the first and second developer carrying members. When the apparatus executes only the first mode, the control device performs more image formations, in a period between completion of the second discharging operation and start of the first discharging operation, compared to a period between completion of the first discharging operation and start of a subsequent first discharging operation. | 08-05-2010 |
20100303486 | IMAGE FORMING APPARATUS - An image forming apparatus includes a toner carrying member for supplying toner to the image bearing member to visualize the latent image; a rotatable toner supply member, contacted to the toner carrying member, for supplying the toner to the toner carrying member, the toner supply member including a surface foam layer; a voltage applying device for applying voltages to the toner carrying member and the toner supply member; a controller for controlling the voltage application apparatus such that A and B have a polarity which is the same as a regular charging polarity of the toner, where A=Vs | 12-02-2010 |
20130308967 | IMAGE FORMING APPARATUS - An image forming apparatus includes first and second developer carrying members and a control device. The apparatus is operable in a first mode where an image of a single color is formed using the first developer carrying member and is operable in a second mode, wherein an image of a plurality of colors is formed using the first and second developer carrying members. The control device controls a first discharging operation for discharging developer from the first developer carrying member and a second discharging operation for discharging developer from each of the first and second developer carrying members. When the apparatus executes only the first mode, the control device performs more image formations, in a period between completion of the second discharging operation and start of the first discharging operation, compared to a period between completion of the first discharging operation and start of a subsequent first discharging operation. | 11-21-2013 |
Patent application number | Description | Published |
20090055263 | PROMOTING SHOPPING INFORMATION ON A NETWORK BASED SOCIAL PLATFORM - A system for promoting shopping information on a social networking platform. At the social networking platform, the system receives a request from a first user of the network-based social platform to request a second user of the network-based social platform to accept an agreement to facilitate promotion of an advertisement in association with the second user on the network-based social platform. The advertisement facilitates a sale of at least one item offered for sale by the first user on a network-based marketplace. Next, the system receives of an acceptance of the agreement from the second user to facilitate promotion of the advertisement in association with the second user on the network-based social platform. Finally, the system promotes the advertisement in association with the second user on the network-based social platform. | 02-26-2009 |
20090055285 | VIEWING SHOPPING INFORMATION ON A NETWORK-BASED SOCIAL PLATFORM - A system for viewing shopping information on a social networking platform. At the social networking platform, the system receives a request from a first user of the social networking platform to view a list associated with a second user on the social networking platform. The list may include items offered for sale on a network-based marketplace. Next, the system determines the first user is authorized to view the list associated with the second user. Finally, the system communicates the list of items to the first user. | 02-26-2009 |
20090055291 | SHARING SHOPPING INFORMATION ON A NETWORK-BASED SOCIAL PLATFORM - A system that receives, at a network-based social platform, a request from a first user of the network-based social platform. The request is to add an item to a list associated with a second user of the network-based social platform. The list is for watching items offered for sale on a network-based marketplace. Next, the system determines whether the first user is authorized to add the item to the list associated with the second user based on relationship information that identifies a predetermined relationship between the first user and the second user on the network-based social platform. Finally, the system communicates the request to the network-based marketplace to add the item to the list associated with the second user. | 02-26-2009 |
20090055292 | METHODS AND SYSTEMS TO FACILITATE A PURCHASE OF AN ITEM ON A NETWORK-BASED MARKETPLACE - A method and system to facilitate a purchase of an item on a network-based marketplace. The system receives a request from a first user on a network-based social platform. The request identifies a virtual gift. Next, the system associates the virtual gift to an item for sale on the network-based marketplace. Finally, the system communicates interface information that enables the first user to purchase the item on the network-based marketplace. | 02-26-2009 |
20100100492 | SHARING TRANSACTION INFORMATION IN A COMMERCE NETWORK - A computerized method and system for creating and maintaining a commerce network data structure are provided. Example embodiments may include receiving transaction information related to a business relationship between a first user and a business entity. The business relationship between the first user and the business entity may be verified using the transaction information. A commerce network data structure may be created. The commerce network data structure may include a link between a first node and a second node. The first node may represent the first user, the second node may represent the business entity, and the link may represent the business relationship. A communication including a request for the transaction information related to the business relationship may be received from the second user. Responsive to the receiving of the communication, the commerce network data structure may be accessed to automatically provide the second user with the transaction information. | 04-22-2010 |
20100131388 | IMAGE-BASED LISTING USING IMAGE OF MULTIPLE ITEMS - Example embodiments of a system and method for image-based listing of an item, using an image of multiple items, are generally described herein. In some example embodiments, an image-based listing system includes an identifying module to identify a portion of an image of multiple items, the portion of the image depicting the item; a tagging module to associate tag information with the portion of the image, the tag information being associated with the item; and a listing module to list the item, the listing of the item comprising displaying at least some tag information. | 05-27-2010 |
20100205066 | SHARING INFORMATION ON A NETWORK-BASED SOCIAL PLATFORM - A system for sharing information on a networked-based social platform is provided. A request from a first user of the network-based social platform is received. The request is to add an item to a list associated with a second user of the network-based social platform. The list is for watching items associated with a network-based platform distinct from the network-based social platform. Next, the system determines whether the first user is authorized to add the item to the list associated with the second user based on relationship information that identifies a relationship between the first user and the second user on the network-based social platform. Finally, the system communicates the request to the network-based platform to add the item to the list associated with the second user. | 08-12-2010 |
20110145105 | VIEWING SHOPPING INFORMATION ON A NETWORK BASED SOCIAL PLATFORM - A system for viewing shopping information on a social networking platform is disclosed. At the social networking platform, the system receives a request from a user device corresponding to a first user of the social networking platform to view a list of a second user of the social networking platform. The list may include items offered for transaction on a network-based commerce server. In response to receiving the request from the user device, the system forwards the request to the network-based commerce server, and then receives updated information for at least one item on the list from the network-based corner server. Then, the system communicates the updated information received from the network-based commerce server to the user device. | 06-16-2011 |
20110264556 | SHARING INFORMATION ON A NETWORK-BASED SOCIAL PLATFORM - A system and method for sharing information on a network-based social platform is provided. A search request, from a first user, for an item from a network-based marketplace is received via an interface provided by a social networking website of a network-based social platform. The network-based social platform is a platform that allows the first user to communicative couple with at least a second user with whom the first user has a pre-established relationship that is stored in a user profile of the first user at the network-based social platform. A search result including at least one item available from the network-based marketplace is provided to the interface associated with the first user. A selection is received from the first user to share information concerning an item from the search result to at least the second user, and the information is shared with at least the second user. | 10-27-2011 |
20110264557 | SHARING INFORMATION ON A NETWORK-BASED SOCIAL PLATFORM - A system and method for sharing information on a network-based social platform is provided. An indication is received from a first user to share information on a network-based social platform. The network-based social platform is a platform that allows the first user to communicative couple with at least a second user with whom the first user has a pre-established relationship that is stored in a user profile of the first user at the network-based social platform. The information is information regarding an item offered for sale on a marketplace of the network-based social platform. Profile information of the at least second user is reviewed. A determination of whether to forward the information regarding the item to the at least second user based on the profile information is performed. The information regarding the item based on the determining is then shared based on the determination. | 10-27-2011 |
20120253966 | METHODS AND SYSTEMS TO FACILITATE A PURCHASE OF AN ITEM ON A NETWORK-BASED MARKETPLACE - A method and system to the generation of a virtual gift on a network-based marketplace platform. The network-based marketplace platform receives a request from a second user. The request identifies an item that is published-on a user interface that is hosted by the network-based marketplace platform. The item is also offered for sale on the network-based marketplace platform. The network-based marketplace platform generates a virtual gift based on the item. The virtual gift includes an image of the item. Finally, the network-based marketplace platform communicates interface information that includes the virtual gift to a network-based social platform. | 10-04-2012 |
20130179948 | SHARING INFORMATION ON A NETWORK-BASED SOCIAL PLATFORM - A system and method for sharing information on a network-based social platform is provided. An indication is received from a first user to share information regarding an item on a network-based social platform. The network-based social platform is a platform that allows the first user to communicative couple with other users of the network-based social platform. Profile information of the first user is accessed. A determination of whether the first user is authorized to share the information is made. Based on the first user being authorized, an identifier for the item is added to a list of recommended items that is accessible view the network-based social platform. | 07-11-2013 |
20130226732 | VIEWING SHOPPING INFORMATION ON A NETWORK BASED SOCIAL PLATFORM - A system for viewing shopping information on a social networking platform is disclosed. At the social networking platform, the system receives a request from a user device corresponding to a first user of the social networking platform to view a list of a second user of the social networking platform. The list may include items offered for transaction on a network-based commerce server. In response to receiving the request from the user device, the system forwards the request to the network-based commerce server, and then receives updated information for at least one item on the list from the network-based corner server. Then, the system communicates the updated information received from the network-based commerce server to the user device. | 08-29-2013 |
20130346239 | METHODS AND SYSTEMS TO FACILITATE A PURCHASE OF AN ITEM ON A NETWORK-BASED MARKETPLACE - A method and system to facilitate a purchase of an item on a network-based marketplace. The system receives a request from a first user on a network-based social platform. The request identifies a virtual gift. Next, the system associates the virtual gift to an item for sale on the network-based marketplace. Finally, the system communicates interface information that enables the first user to purchase the item on the network-based marketplace. | 12-26-2013 |