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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/54156

Title: A Simultaneous Mixed LQR/H∞ Control Approach to the Design of Reliable Active Suspension Controllers
Authors: 機構典藏
Contributors: Jenq‐Lang Wu
Keywords: Active suspension systems;barrier method;reliable control;simultaneous mixed LQR/H∞ control;static output feedback control
Date: 2014
Issue Date: 2020-08-14T04:05:53Z
Publisher: Asian Journal of Control
Abstract: This paper is concerned with the synthesis of reliable controllers for quarter‐car active suspension systems. By a simultaneous mixed LQR/H∞ control approach, a static output feedback controller is derived for guaranteeing good suspension performance under possible sensor fault or suspension component breakdown. The considered simultaneous mixed LQR/H∞ control problem is a nonconvex optimization problem; therefore, the linear matrix inequality approach is not applicable. Based on the barrier method, we solve an auxiliary minimization problem to get an approximate solution for the simultaneous mixed LQR/H∞ control problem. Necessary conditions for the local optimum of the auxiliary minimization problem are derived. Moreover, a three‐stage solution algorithm is developed for solving the auxiliary minimization problem. The simulation shows that the obtained static output feedback suspension controllers can improve suspension performance in nominal mode and all considered failure modes.
Relation: 19(2) pp415-427
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/54156
Appears in Collections:[電機工程學系] 期刊論文

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