Observer-Based Robust Passive Control for a Class of Uncertain Neutral Systems: An Integral Sliding Mode Approach. (2nd June 2015)

• Record Type: Journal Article
• Authors: Xu, Ruiping; Liu, Zhen; Gao, Cunchen; Xiao, Huimin
• Other Names: Toker Onur Academic Editor.
• Is Part Of: Journal of control science and engineering. Volume 2015(2015)
• Publication Date: 2015-06-02
• Subjects: Control theory -- Periodicals; 629.831205
• DOI: 10.1155/2015/308681
• Languages: English
• ISSNs: 1687-5249

Abstract

Abstract : The problem of integral sliding mode control (ISMC) with passivity is investigated for a class of uncertain neutral systems with time-varying delay (NTSTD) and external disturbance. The system states are unavailable. An ISMC strategy is proposed based on the state estimate. By employing a novel sliding functional, a new sufficient criterion of robust asymptotic stability and passivity for both the error system and the sliding mode (SM) dynamic system is derived via linear matrix inequality (LMI) technique. Then, a SM controller is synthesized to guarantee the reachability of the sliding surface predefined in the state estimate space. Finally, a numerical example shows the feasibility and superiority of the obtained result.