Design of Vehicle Semi-Active Suspension System Control Unit

Hong Kun Zhang; Wen Jun Li

doi:10.4028/www.scientific.net/AMM.220-223.1995

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 220-223Design of Vehicle Semi-Active Suspension System...

Design of Vehicle Semi-Active Suspension System Control Unit

Abstract:

This paper researches on embedded system design based on MC9s12Dp256 microcontroller for vehicle semi-active suspension. The hardware design of suspension control unit (SCU) is introduced. The integrated control strategy which integrates Skyhook and MiniMax strategies is proposed. The hardware-in-the-loop simulation (HILS) test on a two-degree-of-freedom quarter car semi-active suspension system model is carried out. The functions of SUC are verified and the performance of passive suspension and semi-active suspension is compared. The simulation results indicate that the performance of SCU achieves design requirement. In comparison with passive system, the control effect of integrated control strategy can be improved in ride comfort and drive safety.

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Periodical:

Applied Mechanics and Materials (Volumes 220-223)

Pages:

1995-1999

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.220-223.1995

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November 2012

Authors:

Hong Kun Zhang, Wen Jun Li

Keywords:

Embedded System, Hardware-in-the-Loop Simulation, Minimax Control, Semi-Active Suspension, Skyhook Control

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