標題: The linear-exponential-quadratic-Gaussian control for discrete systems with application to reliable stabilization
作者: Liaw, DC
Chen, CH
電控工程研究所
Institute of Electrical and Control Engineering
關鍵字: reliable control;discrete linear-exponential-quadratic-Gaussian control;Kalman filter;algebraic Riccati equation
公開日期: 25-五月-2003
摘要: In this paper, we derive the discrete linear-exponential-quadratic-Gaussian (LEQG) controller which can take both the system and measurement noise covariances into consideration. Comparing with the traditional linear-quadratic-Gaussian (LQG) design, the LEQG has the wilder design freedom. The proposed discrete LEQG control scheme is then applied to the study of reliable control which can tolerate abnormal operation within some pre-specified set of actuators. This is achieved by suitable modification of the algebraic Riccati equation for the design of the controller. The bounds of gain margins for the feedback control gains of reliable stabilization are also derived. The stability of the overall system is preserved despite the abnormal operation of actuators within a pre-specified subset in the bounds of gain margins. (C) 2002 Elsevier Science Inc. All rights reserved.
URI: http://dx.doi.org/10.1016/S0096-3003(02)00127-3
http://hdl.handle.net/11536/27855
ISSN: 0096-3003
DOI: 10.1016/S0096-3003(02)00127-3
期刊: APPLIED MATHEMATICS AND COMPUTATION
Volume: 137
Issue: 2-3
起始頁: 303
結束頁: 321
顯示於類別:期刊論文


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