Automotive MR Shock Absorber Behaviour Considering Temperature Changes: Experimental Testing and Analysis

Jastrzębski, Łukasz; Sapiński, Bogdan; Kozieł, Arkadiusz

doi:10.2478/ama-2020-0004

Abstract

This study investigates the automotive magnetorheological (MR) shock absorber behaviour in conditions of changing temperature. Its temperature-dependent behaviour was quantified between ambient and maximal operating temperatures of the device. Aspects addressed include the temperature dependence of the control coil resistance in the absorber, the influence of operating current level on control coil temperature and the temperature dependence of the absorber force response and energy dissipation in the system. The results of experiments enabled us to evaluate the mechanical performance of the absorber at varied temperatures.

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Automotive MR Shock Absorber Behaviour Considering Temperature Changes: Experimental Testing and Analysis

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