Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/12785
Title: Output-feedback-based H∞ control for vehicle suspension systems with control delay
Authors: Li, H
Jing, X 
Karimi, HR
Keywords: Active suspension system
Actuator delay
H∞ control
Output-feedback H∞ control
Issue Date: 2014
Source: IEEE transactions on industrial electronics, 2014, v. 61, no. 1, 6419815, p. 436-446 How to cite?
Journal: IEEE Transactions on Industrial Electronics 
Abstract: This paper deals with the problem of output-feedback H∞ control for a class of active quarter-car suspension systems with control delay. The dynamic system of the suspension systems is first formed in terms of the control objectives, i.e., ride comfort, road holding, suspension deflection, and maximum actuator control force. Then, the objective is to the design of the dynamic output-feedback H∞ controller in order to ensure asymptotic stability of the closed-loop system with H∞ disturbance attenuation level and the output constraints. Furthermore, using Lyapnov theory and linear matrix inequality (LMI) approach, the existence of admissible controllers is formulated in terms of LMIs. With these satisfied conditions, a desired dynamic output-feedback controller can be readily constructed. Finally, a quarter-vehicle model is exploited to demonstrate the effectiveness of the proposed method.
URI: http://hdl.handle.net/10397/12785
ISSN: 0278-0046
DOI: 10.1109/TIE.2013.2242418
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