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HYBRID VEHICLE OPERATING STRATEGY DURING LOSS OF MOTOR CONTROLLABILITY
HYBRID VEHICLE OPERATING STRATEGY DURING LOSS OF MOTOR CONTROLLABILITY
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机译:电机可控制性丧失期间的混合动力车辆操作策略
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摘要
A vehicle includes a hybrid powertrain. The hybrid powertrain includes an engine and an electric machine. In response to a loss of controllability of the electric machine, a controller is programmed to operate the powertrain in a limited operating mode. In the limited operating mode, the powertrain is controlled so that a speed of the engine is within a speed range such that the electric machine generates a current to charge a traction battery. In response to a loss of communication with a power inverter that controls the electric machine, the powertrain is controlled so that the speed of the engine is within the speed range and the current flowing to the traction battery is monitored. If the current flow is above a threshold, then the limited operating mode is entered.
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