A structure of clutch-by-wire (CBW) is proposed and its transmitting chain is analyzed. With jerk as the evaluation indicator of the engagement performance of clutch, the two key parameters affecting the engagement performance of clutch are found; the rate of change of the travel of the left end of pull rod with respect of the rotation angle of worm gear and the angular velocity of worm gear. Finally the effects of the structural parameters of clutch (the rotation angle of worm gear and the motor speed) on the engagement performance of CBW are analyzed, laying a foundation for the further study on the control strategy of CBW.%提出一种线控离合器的结构,并对其传动链进行分析.以冲击度作为离合器接合性能的评价指标,得出起步工况下影响线控离合器接合性能的两个关键参数是拉杆行程对蜗轮转角的变化率和蜗轮角速度.最后具体分析了离合器结构参数、蜗轮转角和电机转速对线控离合器接合性能的影响,为进一步进行线控离合器控制策略研究奠定基础.
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