考虑滑动轴承的轮毂电机扭转振动特性分析

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振动与冲击 ›› 2015, Vol. 34 ›› Issue (18) : 25-32.

论文

考虑滑动轴承的轮毂电机扭转振动特性分析

左曙光，王青松，吴旭东，谭钦文

作者信息 +

Analysis on Torsional Vibration of In-wheel Motor Considering Sliding Bearing

ZUO Shuguang, WANG Qingsong, WU Xudong, TAN Qinwen

Author information +

文章历史 +

摘要

针对轮毂电机多参数机电耦合振动问题，建立轮毂电机六自由度耦合振动模型，识别了滑动轴承油膜刚度阻尼、广义电磁力、定子轴系刚度和螺栓连接刚度。基于MATLAB/Simulink搭建系统仿真计算模型，求解轮毂电机在电磁力作用下的耦合振动响应，研究结果表明：永磁体磁场和电枢反应磁场相互作用产生的电磁力会导致定子产生新的扭振峰值。通过对比不同转速下电机的扭转振动响应，发现轮毂电机在低速区扭转振动幅值更大，为解决电动车的低速抖动问题提供了新的思路。

Abstract

To analyze the multi parameter coupled vibration of in-wheel motor, a coupled vibration model with six-freedom degrees was established, in which the oil film stiffness and damping of sliding bearing, the generalized electromagnetic force, stiffness of stator shaft and bolt stiffness are identified. Vibration induced by electromagnetic force was calculated in the Simulink model, and the result shows that: electromagnetic force produced by the interaction of permanent magnetic field and armature magnetic field will excite a new torsional vibration peak for stator. According to the comparison of torsional vibration in different speeds, it’s been pointed out that in-wheel motor owns bigger torsional vibration amplitude in a low speed, which will provide new methods to reduce the low speed jitter of electric vehicles.

导出引用

左曙光，王青松，吴旭东，谭钦文. 考虑滑动轴承的轮毂电机扭转振动特性分析[J]. 振动与冲击, 2015, 34(18): 25-32

ZUO Shuguang, WANG Qingsong, WU Xudong, TAN Qinwen. Analysis on Torsional Vibration of In-wheel Motor Considering Sliding Bearing[J]. Journal of Vibration and Shock, 2015, 34(18): 25-32

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