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Precision adaptive motor control in cruise control system having various motor control schemes
Precision adaptive motor control in cruise control system having various motor control schemes
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机译:具有多种电机控制方案的巡航控制系统中的精确自适应电机控制
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摘要
A novel cruise control system is provided for adaptively controlling an electric vehicle to maintain desired speed under variable driving conditions. This system utilizes multiple motor control scheme for controlling the motor using various waveform profiles of the control current, and involves phase advance angle adjustment provided for adaptively controlling a phase advance angle between the control current and back-EMF in response to changes in driving conditions to produce the control current sufficient to achieve the desired speed. A motor control scheme selection circuit enables the cruise control system to select a current waveform profile appropriate for present driving conditions. A selected current waveform profile is modified, if the control current with the adjusted phase advance angle is not sufficient to achieve the desired speed.
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