Patent ID: 8617028
Filing Date: 2013-12-31
Classification: B60K,B60L,B60W,Y02T,Y10S,Y10T

Abstract:
1. A system for managing torque in a vehicle driveline coupled to an internal combustion engine and to a hybrid motor/generator, the system comprising: a transmission defining at least part of the vehicle driveline, the transmission including at least one electronically controllable friction device, a transmission control circuit configured to control operation of the transmission, an engine control circuit configured to control operation of the engine, and a hybrid control circuit configured to control operation of the hybrid motor/generator, wherein the engine control circuit includes a memory having instructions stored therein that are executable by the engine control circuit to provide to the transmission control circuit an engine torque value corresponding to torque applied by the engine to the driveline, and wherein the hybrid control circuit includes a memory having instructions stored therein that are executable by the hybrid control circuit to provide to the transmission control circuit a motor torque value corresponding to torque applied by the hybrid motor/generator to the driveline, and wherein the transmission control circuit includes a memory having stored therein friction device control and shift schedule instructions that are executable by the transmission control circuit to control operation of the at least one friction device and to control shifting of the transmission respectively, and also having stored therein instructions that are executable by the transmission control circuit to manage torque applied to the drive line by the engine and by the hybrid motor/generator based on the engine torque value and the motor torque value such that the friction device control and shift schedule instructions do not require modification to accommodate inclusion of the hybrid motor/generator in the system or exclusion of the hybrid motor/generator from the system.