Study on vehicle active suspension system control method based on homogeneous domination approach

Qinghua Meng, Chih Chiang Chen, Pan Wang, Zong Yao Sun, Bingji Li

Research output: Contribution to journalArticle

Abstract

In an active suspension system, there is an actuator mounted between the sprung mass and the unsprung mass to change the stiffness and damp of the suspension for ride comfort and handling stability. Because the active suspension control system is an under-actuated system, the control problem of the active suspension is challenging but interesting. In order to solve this issue, a novel vehicle active suspension control method based on homogeneous domination approach is proposed in this paper. Firstly, a groundhook control model is constructed according to the general active suspension dynamic model. In order to deal with the additional terms of the control system which are harmful for convergence, a homogeneous domination approach is used to construct an active suspension homogeneous controller (ASHC). A useful technical theorem is proposed in the stability analysis to show that the proposed ASHC can guarantee the states of the active suspension system being stabilized. Compared with the SMC method and without any controller (passive suspension), the simulation results indicate that the proposed ASHC is effective.

Original languageEnglish
JournalAsian Journal of Control
DOIs
Publication statusAccepted/In press - 2019 Jan 1

Fingerprint

Active suspension systems
Controllers
Control systems
Dynamic models
Actuators
Stiffness

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering

Cite this

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abstract = "In an active suspension system, there is an actuator mounted between the sprung mass and the unsprung mass to change the stiffness and damp of the suspension for ride comfort and handling stability. Because the active suspension control system is an under-actuated system, the control problem of the active suspension is challenging but interesting. In order to solve this issue, a novel vehicle active suspension control method based on homogeneous domination approach is proposed in this paper. Firstly, a groundhook control model is constructed according to the general active suspension dynamic model. In order to deal with the additional terms of the control system which are harmful for convergence, a homogeneous domination approach is used to construct an active suspension homogeneous controller (ASHC). A useful technical theorem is proposed in the stability analysis to show that the proposed ASHC can guarantee the states of the active suspension system being stabilized. Compared with the SMC method and without any controller (passive suspension), the simulation results indicate that the proposed ASHC is effective.",
author = "Qinghua Meng and Chen, {Chih Chiang} and Pan Wang and Sun, {Zong Yao} and Bingji Li",
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Study on vehicle active suspension system control method based on homogeneous domination approach. / Meng, Qinghua; Chen, Chih Chiang; Wang, Pan; Sun, Zong Yao; Li, Bingji.

In: Asian Journal of Control, 01.01.2019.

Research output: Contribution to journalArticle

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