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	A modified Schur method for robust pole assignment in state feedback control
	Guo, Zhen-chen ; Cai, Yun-feng ; Qian, Jiang ; Xu, Shu-fang
	2015
关键词	Pole assignment State feedback control Robustness Departure from normality Real Schur form ALGORITHM SYSTEMS
英文摘要	Recently, a SCHUR method was proposed in Chu (2007) to solve the robust pole assignment problem in state feedback control. It takes the departure from normality of the closed-loop system matrix A(c) as the measure of robustness, and intends to minimize it via the real Schur form of A(c). The SCHUR method works well for real poles, but when complex conjugate poles are involved, it does not produce the real Schur form of A(c) and can be problematic. In this paper, we propose a modified Schur method, which improves SCHUR when nonreal poles are to be assigned. Besides producing the real Schur form of A(c), our approach also leads to a relatively small departure from normality of A(c). Numerical examples show that our modified method produces better or at least comparable results than both place and robpole algorithms, with much less computational costs. (C) 2014 Elsevier Ltd. All rights reserved.; Automation & Control Systems; Engineering, Electrical & Electronic; SCI(E); EI; 0; ARTICLE; guozhch06@gmail.com; yfcai@math.pku.edu.cn; jqian104@gmail.com; xsf@pku.edu.cn; 334-339; 52
语种	英语
出处	SCI
出版者	automatica
内容类型	其他
源URL	[http://hdl.handle.net/20.500.11897/157264]
专题	数学科学学院
推荐引用方式 GB/T 7714	Guo, Zhen-chen,Cai, Yun-feng,Qian, Jiang,et al. A modified Schur method for robust pole assignment in state feedback control. 2015-01-01.

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