Single motor recovery for an electrically variable transmission

Details Single motor recovery for an electrically variable transmission Single motor recovery for an electrically variable transmission

2007-01-09

2007-01-09

Pang, Roger (Department: 3681)

Interrelated power delivery controls, including engine control

Plural engines

Electric engine

C903S945000

Reexamination Certificate

active

10846143

ABSTRACT:
A vehicular powertrain includes operatively coupled engine, electrically variable transmission and driveline. During normal operation when all motors are operating as expected, the engine is operated in a torque control mode in accordance with a torque command provided by a system controller to an engine controller and engine speed is controlled by the motors. During operation when all motors are not operating as expected, the engine is operated in a speed control mode in accordance with a speed command provided by the system controller to the engine controller and engine load torque is controlled by the operative motors.

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