Coupling Mechanism and Decoupled Suspension Control Model of a Half Car

Hailong Zhang, Ning Zhang, Fuhong Min, Subhash Rakheja, Chunyi Su and Enrong Wang

Mathematical Problems in Engineering, 2016, vol. 2016, 1-13

Abstract:

A structure decoupling control strategy of half-car suspension is proposed to fully decouple the system into independent front and rear quarter-car suspensions in this paper. The coupling mechanism of half-car suspension is firstly revealed and formulated with coupled damping force (CDF) in a linear function. Moreover, a novel dual dampers-based controllable quarter-car suspension structure is proposed to realize the independent control of pitch and vertical motions of the half car, in which a newly added controllable damper is suggested to be installed between the lower control arm and connection rod in conventional quarter-car suspension structure. The suggested damper constantly regulates the half-car pitch motion posture in a smooth and steady operation condition meantime achieving the expected completely structure decoupled control of the half-car suspension, by compensating the evolved CDF.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:1932107

DOI: 10.1155/2016/1932107

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