Finite frequency $$H_\infty $$ H ∞ control of 2-D continuous systems in Roesser model

2016 ◽  
Vol 28 (4) ◽  
pp. 1481-1497 ◽  
Author(s):  
Zhaoxia Duan ◽  
Zhengrong Xiang
Author(s):  
Miloud Koumir ◽  
Abderrahim El-Amrani ◽  
Ismail Boumhidi

<p>This paper is concerned with the problem of model reduction design for continuous systems in Takagi-Sugeno fuzzy model. Through the defined FF H∞ gain performance, sufficient conditions are derived to design model reduction and to assure the fuzzy error system to be asymptotically stable with a FF H∞ gain performance index. The explicit conditions of fuzzy model reduction are developed by solving linear matrix inequalities. Finally, a numerical example is given to illustrate the effectiveness of the proposed method.</p>


Author(s):  
Abdelaziz Hmamed ◽  
Abderrahim El Amrani ◽  
Ahmed El Hajjaji ◽  
Bensalem Boukili ◽  
Ismail Boumhidi

2014 ◽  
Vol 2014 ◽  
pp. 1-5 ◽  
Author(s):  
Wei Guan ◽  
Qiao Zhu ◽  
Xu-Dong Wang ◽  
Xu-Hui Liu

This paper is concerned with the variable initial states problem in iterative learning control (ILC) for linear continuous systems. Firstly, the properties of the trajectory of 2-D continuous-discrete Roesser model are analyzed by using Lyapunov's method. Then, for any variable initial states which absolutely converge to the desired initial state, some ILC design criteria in the form of linear matrix inequalities (LMI) are given to ensure the convergence of the PD-type ILC rules. The convergence for variable initial states implies that the ILC rules can be used to achieve the perfect tacking for variable initial states, even if the system dynamic is unknown. Finally, the micropropulsion system is considered to illustrate efficiency of the proposed ILC design criteria.


Author(s):  
Ismail Errachid ◽  
Abdelaziz Hmamed

This paper is concerned with the stability and Robust stabilization problem for 2-D continuous systems in Roesser model, based on Generalized Kalman$-$Yakubovich$-$Popov lemma in combination with frequency-partitioning approach. Sufficient conditions of stability of the systems are formulated via linear matrix inequality technique. Finally, numerical examples are given to illustrate the effectiveness of the proposed method.


2020 ◽  
Vol 10 (4) ◽  
pp. 367
Author(s):  
Abderrahim El Amrani ◽  
Ahmed El Hajjaji ◽  
Bensalem Boukili ◽  
Ismail Boumhidi ◽  
Abdelaziz Hmamed

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