Title : 
Comments on "Research on estimating smoothed value and differential value by using sliding mode system"
         
        
            Author : 
Han, J.Q. ; Wang, W.
         
        
            Author_Institution : 
Inst. of Syst. Sci., Acad. of Math. & Syst. Sci., Beijing, China
         
        
        
        
        
        
            Abstract : 
This note shows that the basic theoretical tool used for smoothing data in the above paper is almost indistinguishable from the method presented in an earlier paper.
         
        
            Keywords : 
smoothing methods; variable structure systems; differential value estimation; sliding mode system; smoothed value estimation; Concrete; Intelligent systems; Manipulators; Mathematics; Mechanical engineering; Nonlinear filters; Robots; Smoothing methods; Three-term control; Ultrasonic variables measurement;
         
        
        
            Journal_Title : 
Robotics, IEEE Transactions on
         
        
        
        
        
            DOI : 
10.1109/TRO.2005.860532