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    • 4. 发明公开
    • Control device for electric rolling stock
    • Steuervorrichtungfürelektrisches Rollmaterial
    • EP2636557A2
    • 2013-09-11
    • EP13156158.1
    • 2013-02-21
    • Hitachi Ltd.
    • Watanabe, AtsushiShimada, MotomiAono, ToshihiroTachihara, Shuichi
    • B60L15/20B60L3/10
    • B61C15/12B60L3/106B60L15/20B60L2200/26B60L2240/423B60L2240/465B60T8/1705B60T2210/124B60T2270/208Y02T10/645Y02T10/72Y02T10/7275
    • In order to minimize a calculation load and surely obtain a maximum adhesion torque, estimated adhesion torques are always stored, an maximum value is obtained from the stored plural estimated adhesion torques immediately before slip/ skid is detected when detecting the slip/ skid, and the maximum value is set as a maximum adhesion torque. The maximum adhesion torque immediately before the slip/ skid is detected is compared with a value of the estimated adhesion torque when the slip/ skid is detected. When the calculated value exceeds a threshold value, it is determined as a condition where an adhesion coefficient drastically drops, and a suppression/return ratio of the torque is switched to a lower value than that under a condition where the adhesion coefficient does not drastically drop. The value of the torque at the time of suppression or return is set to a smaller value to surely suppress the slip/ skid.
    • 为了最小化计算负荷并确保获得最大的附着力矩,总是存储估计的附着力矩,当检测到滑移/滑移时,在检测到滑移/滑动之前,从存储的多个估计的附着力矩中获得最大值, 最大值被设定为最大粘附扭矩。 将检测到滑移/滑移之前的最大粘附扭矩与检测到滑移/滑移时的估计粘附转矩的值进行比较。 当计算值超过阈值时,确定粘附系数急剧下降的条件,并且转矩的抑制/返回比被切换到比粘附系数不会急剧下降的条件下的值更低的值 。 抑制或返回时的扭矩值被设定为较小的值,以确保抑制滑移。