Journal of Applied Science and Engineering

Published by Tamkang University Press


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Xiangyu Xiao2, Yanan Wang This email address is being protected from spambots. You need JavaScript enabled to view it.1,3,4, Xin He1,3,4, Qingfeng Li1,3,4 and Hua Li1,3,4

1School of Mechanical Engineering, Shandong University, Jinan 250061, P.R. China
2Department of Automotive Engineering, School of Transportation Science and Engineering, Beihang University, Beijing 100191, P.R. China
3Key Laboratory of High-Efficiency and Clean Mechanical Manufacture of Ministry of Education, Shandong University, Jinan 250061, P.R. China
4National Demonstration Center for Experimental Mechanical Engineering Education, Shandong University, Jinan 250061, P.R. China


Received: April 16, 2019
Accepted: September 4, 2019
Publication Date: December 1, 2019

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An energy-regenerative shock absorber with damping adjustment function based on the electromagnetic induction principle is proposed for the problem of energy dissipation in the vibration of vehicle suspension systems. The structure of the shock absorber, the control system and the electrical system are designed, and the dynamic model of the suspension system with the energyregenerative electromagnetic shock absorber is built. The vibration response of the vehicle body, the frequency characteristic of the suspension system, and the energy-regenerative power of the electromagnetic shock absorber are analyzed. The results show that this electromagnetic shock absorber has good energy-regenerative effect on roads of different levels. Compared with the original hydraulic telescopic shock absorber, the vibration displacement, speed and acceleration of the vehicle body can be lowered significantly when the electromagnetic shock absorber is used with appropriate damping. The electromagnetic shock absorber has a compact structure, adjustable damping and energy-regenerative function, which can be used as a design reference for the electrification of the suspension systems in new energy vehicles in the future.

Keywords: Electromagnetic Shock Absorber, Energy-regenerative, Suspension System, Linear Generator, Damping, Vehicle



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