公开(公告)号：US20160362020A1

公开(公告)日：2016-12-15

申请号：US15130383

申请日：2016-04-15

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Luke D. Shepley ,  Joshua F. Pacheco ,  Krunal P. Patel ,  Anthony H. Heap ,  Michael Andrew Miller ,  Michael V. Woon

IPC: B60L15/20 ,  B60L7/14 ,  B60W20/14

CPC classification number: B60L15/2009 ,  B60K6/485 ,  B60L7/14 ,  B60L11/12 ,  B60L2240/423 ,  B60L2240/463 ,  B60L2240/486 ,  B60L2250/26 ,  B60W10/08 ,  B60W20/00 ,  B60W20/14 ,  B60W50/0097 ,  B60W2510/1005 ,  B60W2520/30 ,  B60W2540/14 ,  B60W2710/083 ,  Y02T10/6226 ,  Y02T10/7258 ,  Y10S903/947

Abstract: A powertrain system including an internal combustion engine, a transmission and an electric machine is described, and includes the electric machine rotatably coupled to a crankshaft of the internal combustion engine. The transmission is coupled to a driveline to transfer tractive torque and braking torque thereto. A method for controlling the electric machine includes determining a short-term axle torque capacity, a long-term axle torque capacity and a maximum regenerative braking stall torque capacity, and determining an operator request for braking. A preferred regenerative braking capacity is determined based upon the short-term axle torque capacity, the long-term regenerative braking capacity, the engine stall regenerative braking capacity and the operator request for braking. Torque output from the electric machine is controlled based upon the preferred regenerative braking capacity.

Abstract translation: 描述了包括内燃机，变速器和电机的动力系统，并且包括可旋转地联接到内燃机的曲轴的电机。 变速器联接到传动系统以将牵引力矩和制动力传递到其上。 一种用于控制电机的方法包括确定短期轴转矩容量，长期轴转矩容量和最大再生制动失速转矩容量，以及确定操作者对制动器的要求。 优选的再生制动能力基于短期轴转矩容量，长期再生制动能力，发动机失速再生制动能力和操作者制动器要求来确定。 基于优选的再生制动能力来控制来自电机的扭矩输出。

公开(公告)号：US09174631B2

公开(公告)日：2015-11-03

申请号：US13925800

申请日：2013-06-24

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Anthony H. Heap ,  Sean W. McGrogan ,  Krunal P. Patel

IPC: B60W10/184 ,  B60W10/11 ,  B60W10/02 ,  B60W10/18 ,  B60W10/105 ,  B60W30/19 ,  F16H61/04 ,  B60W20/00

CPC classification number: B60W10/11 ,  B60W10/02 ,  B60W10/105 ,  B60W10/18 ,  B60W10/184 ,  B60W20/20 ,  B60W30/19 ,  B60Y2200/92 ,  F16H61/0437 ,  Y10T477/6394 ,  Y10T477/644

Abstract: A multi-mode transmission is configured to transfer torque among an internal combustion engine, torque machines and an output member. A method for controlling shifting in the transmission includes, in response to a command to execute a range shift in the transmission to a target transmission range: applying mechanical braking torque to reduce output torque from the transmission to off-load torque from an off-going clutch, operating in a pseudo-gear range to synchronize an oncoming clutch, and applying the oncoming clutch to establish the transmission in the target range.

Abstract translation: 多模式变速器构造成在内燃机，转矩机和输出构件之间传递转矩。 用于控制变速器中的变速的方法包括响应于将变速器中的范围换档执行到目标变速范围的命令：施加机械制动转矩以将输出转矩从变速器减小到脱离转矩 离合器，操作在伪档范围以使迎面而来的离合器同步，并施加迎面而来的离合器以建立在目标范围内的变速器。

公开(公告)号：US20220227237A1

公开(公告)日：2022-07-21

申请号：US17153244

申请日：2021-01-20

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Paul G. Otanez ,  Yiran Hu ,  Nathaniel S. Michaluk ,  Krunal P. Patel ,  Adam J. Heisel ,  Kevin J. Storch ,  Jacob M. Knueven ,  Matthew Yard

IPC: B60L15/20 ,  B60T8/17

Abstract: A method of operating a vehicle includes a vehicle controller receiving an operator-input vehicle control command with an associated torque request, and identifying any propulsion actuator constraints that limit a brake torque capacity available from the vehicle powertrain. Using the propulsion actuator constraint(s) and torque request, the controller determines a propulsion brake torque distribution for the vehicle's road wheels and a maximum brake torque capacity for the powertrain actuator(s). A first brake torque request is determined using the propulsion brake torque distribution and a vehicle control mode of the powertrain system, and a second brake torque request is determined using the maximum brake torque capacity and the vehicle control mode. A friction brake torque command is determined by arbitrating between the first and second brake torque requests. The vehicle controller transmits the friction brake torque command to the friction brake system and a powertrain brake command to the powertrain actuator(s).

公开(公告)号：US20170136916A1

公开(公告)日：2017-05-18

申请号：US15079412

申请日：2016-03-24

Applicant: GM Global Technology Operations LLC

Inventor： Adam J. HEISEL ,  Christopher J. Twarog ,  Anthony H. Heap ,  Derek S. Bonderczuk ,  Krunal P. Patel ,  Lawrence A. Kaminsky ,  Nathaniel S. Michaluk ,  Robert L. Morris ,  Shaochun Ye ,  Jeffrey J. Waldner

IPC: B60L15/20

CPC classification number: B60L15/20 ,  B60L11/14 ,  B60L2240/12 ,  B60L2240/14 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2240/44 ,  B60L2240/441 ,  B60L2240/443 ,  B60L2250/26 ,  B60L2270/12 ,  Y02T10/7258

Abstract: An electric motor control system for a vehicle includes a vehicle speed module that determines a vehicle speed. A closed loop (CL) module determines a CL torque based on a difference between a target vehicle speed and the vehicle speed. A motor torque module determines a motor torque based on the CL torque and a motor torque request determined based on a position of an accelerator pedal. A switching control module controls switching of an inverter based on the motor torque to control application of power to an electric motor of the vehicle.

公开(公告)号：US08706371B1

公开(公告)日：2014-04-22

申请号：US13772667

申请日：2013-02-21

Applicant: GM Global Technology Operations LLC

Inventor： Krunal P. Patel ,  Sean W. McGrogan ,  Lawrence A. Kaminsky ,  Pinaki Gupta ,  Ali K. Naqvi ,  Anthony H. Heap

IPC: F16D13/75 ,  G06F17/00

CPC classification number: F16D48/06 ,  F16D2500/1026 ,  F16D2500/10412 ,  F16D2500/3065 ,  F16D2500/3066 ,  F16D2500/70406

Abstract: A method for adjusting hydraulic line pressure applied to one or more clutch devices in an electro-mechanical transmission mechanically-operatively coupled to an internal combustion engine and at least one electric machine includes predicting a first plurality of powertrain parameters for an upcoming event. For each of a plurality of engine torques, a predicted output torque and a predicted clutch load are determined that minimize a total powertrain operating cost based on an operator torque request and the predicted first plurality of powertrain parameters. Hydraulic line pressure is adjusted based on the engine torque having a lowest powertrain operating cost among the plurality of available engine torques.

Abstract translation: 一种用于调节施加到机械操作地耦合到内燃机和至少一个电机的机电变速器中的一个或多个离合器装置的液压管路压力的方法包括预测用于即将到来的事件的第一多个动力系参数。 对于多个发动机转矩中的每一个，确定预测输出转矩和预测的离合器负载，其基于操作者转矩请求和预测的第一多个动力系参数使总动力传动系运行成本最小化。 基于在多个可用发动机扭矩中具有最低动力传动系运行成本的发动机扭矩来调节液压管路压力。