Title : 
Necessary conditions for the optimality of a class of multi-input closed-loop linear control systems
         
        
        
            Author_Institution : 
University of Salford, Department of Mechanical Engineering, Salford, UK
         
        
        
        
        
        
            Abstract : 
Two strikingly simple necessary conditions for the optimality of a class of multi-input closed-loop linear control systems are presented.
         
        
            Keywords : 
multivariable control systems; optimal control;
         
        
        
            Journal_Title : 
Electronics Letters
         
        
        
        
        
            DOI : 
10.1049/el:19700228