Pole placement with LMI constraint of fuzzy descriptor system

2015 ◽  
Vol 352 (7) ◽  
pp. 2665-2678 ◽  
Author(s):  
Renquan Lu ◽  
Meng Wang ◽  
Jianjun Bai ◽  
Anke Xue ◽  
Hongbo Zou
Author(s):  
Jin-Shig Kang ◽  

We present a descriptor fuzzy model for Lagrange dynamics and a controller design algorithm based on state feedback pole placement. The fuzzy descriptor system (FDS) model is a simple extension of the original Takagi-Sugeno fuzzy model for which a new controller is designed based on the linear matrix inequality (LMI) theory. We show that LMI-based regional pole-placement design for the FDS is easily solved. Two examples explain the controller’s simplicity and easy design.


An iterative criterion for the asymptotic steadiness of a linear descriptor system is considered. The criterion is based on an iterative algorithm for computing a generalized matrix sign-function. As an example, the problem of analyzing the asymptotic steadiness of a large descriptor system is given. Keywords linear descriptor system; steadiness criterion; matrix sign-function; search algorithm


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