Invention Grant
US09352741B2 Method and apparatus for controlling creep torque in a powertrain system
有权
用于控制动力系统中蠕变转矩的方法和装置
- Patent Title: Method and apparatus for controlling creep torque in a powertrain system
- Patent Title (中): 用于控制动力系统中蠕变转矩的方法和装置
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Application No.: US13967467Application Date: 2013-08-15
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Publication No.: US09352741B2Publication Date: 2016-05-31
- Inventor: Jeremy Wise , Jy-Jen F. Sah , Anthony H. Heap
- Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Applicant Address: US MI Detroit
- Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Current Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Current Assignee Address: US MI Detroit
- Main IPC: B60W10/184
- IPC: B60W10/184 ; B60W20/00 ; B60K6/387 ; B60K6/445 ; B60W10/105 ; B60W30/18

Abstract:
A vehicle includes an internal combustion engine coupled to an input member of a multi-mode transmission configured to transfer torque to an output member coupled to a ground wheel with the internal combustion engine in an ON state generating an input torque. A method for controlling the vehicle includes identifying an undesirable operating region including an input/output torque region for operating the multi-mode transmission. In response to an operator request for creep torque, motor torque is controlled from a torque machine coupled to the multi-mode transmission such that the multi-mode transmission is operating outside the undesirable operating region while a mechanical braking torque to the ground wheel is coincidentally controlled in response to an operator-commanded braking, the input torque from the engine, and the motor torque from the torque machine.
Public/Granted literature
- US20150051046A1 METHOD AND APPARATUS FOR CONTROLLING CREEP TORQUE IN A POWERTRAIN SYSTEM Public/Granted day:2015-02-19
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