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ELECTRIFIED VEHICLE CONTROL USING BATTERY STATE OF CHARGE AND POWER CAPABILITY STRATEGY
ELECTRIFIED VEHICLE CONTROL USING BATTERY STATE OF CHARGE AND POWER CAPABILITY STRATEGY
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机译:电气化的车辆控制使用电池充电状态和功率能力策略
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摘要
A vehicle and control method include a traction battery, a temperature sensor, current sensor, and voltage sensor associated with the traction battery, an electric machine powered by the traction battery to provide propulsive power to the vehicle, and a controller configured to control at least one of the electric machine and the traction battery in response to a battery state of charge (SOC) estimated using a battery model having parameters including a first resistance in series with a second resistance and a capacitance in parallel to the second resistance. The battery model parameters are adjusted during vehicle operation using a Kalman filter and reinitialized to new values in response to a vehicle key-on, in response to a change in the battery current exceeding a corresponding threshold, and/or in response to any of the parameter values crossing an associated limit.
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