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USE OF A CLUTCH PROPORTIONAL-INTEGRAL CONTROLLER TO ASSIST A STATE OBSERVER DURING A VEHICLE SHIFT EVENT
USE OF A CLUTCH PROPORTIONAL-INTEGRAL CONTROLLER TO ASSIST A STATE OBSERVER DURING A VEHICLE SHIFT EVENT
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机译：在换档事件中使用离合器比例积分控制器辅助状态观察器
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摘要
A method for optimizing a shift event in a vehicle includes designating a clutch to be used as an oncoming clutch or an offgoing clutch in the shift event before executing the shift event, and processing a plurality of input values through a state observer to thereby determine, as an output value of the state observer, an estimated slip speed of the designated clutch. The method includes using a proportional-integral control module for the designated clutch (a clutch PI) to close the control loop on the estimated slip speed from the state observer, thereby smoothing a switching between state space equations in the state observer, and executing the shift event. A vehicle includes a transmission, an engine, at least one traction motor, and a control system configured for executing the above method.
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