Title : 
On aperiodicity problems of polynomial polytopes
         
        
            Author : 
Wang, Qing-Guo ; Wang, Yue-Yun
         
        
            Author_Institution : 
Dept. of Electr. Eng., Nat. Univ. of Singapore, Singapore
         
        
        
        
        
            fDate : 
6/1/1992 12:00:00 AM
         
        
        
        
            Abstract : 
Necessary and sufficient conditions for aperiodicity and strict aperiodicity of polynomial polytopes are presented in terms of the root properties of vertex polynomials
         
        
            Keywords : 
polynomials; aperiodicity problems; necessary and sufficient conditions; polynomial polytopes; root properties; Automatic control; Control engineering; Control systems; Delay effects; Delay estimation; MIMO; Polynomials; Robust stability; Stability criteria; Sufficient conditions;
         
        
        
            Journal_Title : 
Automatic Control, IEEE Transactions on