公开(公告)号：US20140100076A1

公开(公告)日：2014-04-10

申请号：US13645798

申请日：2012-10-05

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Shaun C. Bowman ,  Poh Fong Chin

IPC: B60W10/08

CPC classification number: B60W20/00 ,  B60K6/387 ,  B60K6/445 ,  B60K2006/381 ,  B60W10/02 ,  B60W10/06 ,  B60W10/08 ,  B60W10/26 ,  B60W20/10 ,  B60W20/30 ,  B60W2510/0638 ,  B60W2510/105 ,  B60W2710/025 ,  B60W2710/0666 ,  B60W2710/083 ,  B60W2710/1066 ,  Y02T10/6239 ,  Y02T10/6286 ,  Y10T477/23 ,  Y10T477/26

Abstract: A powertrain system includes an internal combustion engine, at least one electric machine and an electro-mechanical transmission operative to transmit torque to a driveline. A method for controlling the powertrain system includes enabling neutral operation of the transmission in response to an operator input, activating a first clutch coupled to a first planetary gear set, the first planetary gear set which includes a first element, a second element and a third element. Torque commands are coordinated between the engine and a first electric machine to establish a net zero output torque condition. If a violation of the net zero output torque condition is present, slippage of the first clutch is allowed to dissipate net output torque from reacting with the driveline of the powertrain system.

Abstract translation: 动力系统包括内燃机，至少一个电机和机电变速器，其操作以将扭矩传递到传动系。 一种用于控制动力系统的方法，包括响应于操作者输入启用变速器的中立操作，启动联接到第一行星齿轮组的第一离合器，包括第一元件的第一行星齿轮组，第二元件和第三 元件。 发动机和第一台电机之间的转矩指令协调起来，以建立净零输出转矩条件。 如果存在违反净零输出转矩条件的情况，允许第一离合器的滑移消散净输出扭矩与动力系统的传动系反应。