电动汽车无同步器变速器换挡过程主动对齿控制

田丰; 王立军; 隋立起; 曾远帆; 周星月; 田光宇

doi:10.16511/j.cnki.qhdxxb.2019.22.032

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清华大学学报（自然科学版） ›› 2020, Vol. 60 ›› Issue (2) : 101-108. DOI: 10.16511/j.cnki.qhdxxb.2019.22.032

专题：电动汽车

电动汽车无同步器变速器换挡过程主动对齿控制

田丰¹, 王立军^1,2, 隋立起¹, 曾远帆¹, 周星月³, 田光宇¹

作者信息 +

Active synchronizing control of transmission shifting without a synchronizer for electric vehicles

TIAN Feng¹, WANG Lijun^1,2, SUI Liqi¹, ZENG Yuanfan¹, ZHOU Xingyue³, TIAN Guangyu¹

Author information +

文章历史 +

摘要

无同步器电机-变速器直连系统在电动汽车应用中具有传动效率高、结构紧凑、制造成本低的优点，但是在变速器换挡过程中，接合套和接合齿圈的同步过程缓慢，甚至存在打齿或无法换挡的情况。该文通过对驱动电机转矩的主动控制，实现接合套与接合齿圈之间相对转速和相对转角的"零转速差"和"零转角差"双目标跟踪控制。为了避免驱动电机主动同步控制过程中由于频繁在驱动与制动象限内切换造成的齿间敲击，提出了以驱动电机工作象限切换次数最少为目标的最优转矩主动对齿控制算法。实车测试表明：主动对齿控制算法能够实现快速、平稳换挡，并将换挡过程的动力中断时间缩短到300 ms内。

Abstract

Motor coupled mechanical transmissions without synchronizers for electric vehicle applications have high transmission efficiencies, compact structures and low manufacturing costs. However, the synchronization of the sleeve to the ring gear is slow and can produce shift shock and failure. Active control of the driving motor torque is used here to provide "zero speed difference" and "zero angle difference" tracking control of the relative speed and angle between the ring gear and the sleeve. An optimal torque synchronizing control algorithm is used to avoid gear striking caused by frequent switching between the motor drive and the brake quadrants during the active synchronizing control using minimum working quadrant switching of the motor. Vehicle tests show that the active synchronizing control algorithm provides fast, stable shifting and shortens the power interruption time of the shifting process to less than 300 ms.

导出引用

田丰, 王立军, 隋立起, 曾远帆, 周星月, 田光宇. 电动汽车无同步器变速器换挡过程主动对齿控制[J]. 清华大学学报（自然科学版）. 2020, 60(2): 101-108 https://doi.org/10.16511/j.cnki.qhdxxb.2019.22.032

TIAN Feng, WANG Lijun, SUI Liqi, ZENG Yuanfan, ZHOU Xingyue, TIAN Guangyu. Active synchronizing control of transmission shifting without a synchronizer for electric vehicles[J]. Journal of Tsinghua University(Science and Technology). 2020, 60(2): 101-108 https://doi.org/10.16511/j.cnki.qhdxxb.2019.22.032

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基金

田光宇,教授,E-mail:tian_gy@tsinghua.edu.cn

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收稿日期	出版日期
2019-04-08	2020-02-15
发布日期
2020-01-15

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