Abstract

The damper, as an integral constituent of the automotive suspension system, assumes a critical function in determining the suspension’s overall performance. To enhance the ride comfort and stability of automobiles, further research on the performance of dampers is particularly important. In this paper, an improved mathematical model with a twin-tube hydraulic adjustable damper (THAD) was developed to analyze the hysteretic behavior. The cavitation process of THAD was studied by studying the compressibility of oil and the structure of the valve port. Mathematical model results and published data under compression stroke and rebound stroke are compared for different working situations. The simulation results consistently illustrate the correctness of the model.

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