Modeling and Vibration Characteristics of Electromechanical Coupling Dynamics of Wheel Hub Driving System forWheeled Armored Vehicle

doi:10.3969/j.issn.1000-1093.2021.10.022

Abstract

Abstract: A dynamic modeling and analysis method considering the coupling effect of drive motor and planetary transmission mechanism is proposed to obtain the electromechanical dynamic characteristics of wheel hub driving system. Based on the spatial electromagnetic force model of driving motor，the radial force，tangential force and torque ripple of the motor are calculated as the dynamic excitation of mechanical system of electric driving wheel. A dynamic model of planetary gear mechanism with flexible shell is established for the electromechanical coupling dynamic simulation of driving motor and planetary gear mechanism.The result shows that the low-order modal of the wheel hub driving system is mainly the global modal， and the high-order modal is mainly the local modal of the planetary transmission system. For the vibration response of the system，the high-order electromagnetic excitation is the main cause in the low speed region，while the low-order electromagnetic excitation is the main cause in the high speed region.

Key words: wheeledarmoredvehicle, wheelhubdrivingsystem, hubmotor, planetarygearset, electromechanicalcoupling, transmissionerror

CLC Number:

TJ810.3⁺23

LIU Yue， XI Junqiang， TIAN Zhen， ZHANG Xin. Modeling and Vibration Characteristics of Electromechanical Coupling Dynamics of Wheel Hub Driving System forWheeled Armored Vehicle[J]. Acta Armamentarii, 2021, 42(10): 2260-2267.

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