Decoupling controller design via exact model-matching techniques

1978 ◽  
Vol 125 (11) ◽  
pp. 1285 ◽  
Author(s):  
P.N. Paraskevopoulos
1994 ◽  
Vol 116 (1) ◽  
pp. 2-9 ◽  
Author(s):  
David M. Alter ◽  
Tsu-Chin Tsao

This paper concerns matching a system with time-delayed feedback to a rational transfer function model and its application to repetitive controller design. Necessary and sufficient conditions on the order of the plant, reference model, and controller are obtained for the existence of causal and stabilizing exact model matching solutions. The results are applied to robust repetitive controller design, in which a delayed feedback is introduced in the repetitive controller for rejecting periodic disturbances while simultaneously achieving input-output model matching. Furthermore, the 2-D model matching method also renders computationally efficient solutions. Also addressed are some subtle points on the selection of a low-pass filter required for robust stability. Finally, the approach is experimentally applied for turning noncircular shapes.


1976 ◽  
Vol 21 (2) ◽  
pp. 242-246 ◽  
Author(s):  
S. Tzafestas ◽  
P. Paraskevopoulos

1994 ◽  
Vol 116 (4) ◽  
pp. 800-805
Author(s):  
Jenq-Tzong H. Chan

A numerical technique for control system synthesis based on input-output data is presented. The method is applicable when the system is open-loop stable and redundantly actuated. The major merits of the method are as follows. First, the closed-loop system equation may be arbitrarily assigned. Second, explicit knowledge of an open-loop system model is not needed for controller synthesis. Third, the stability of the synthesized system may be verified during the synthesis process; hence, the workability of the controller is ensured.


1997 ◽  
Vol 68 (1) ◽  
pp. 107-124 ◽  
Author(s):  
Osamu Yamanaka ◽  
Hiromitsu Ohmori ◽  
Akira Sano

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