Digital H/sup ∞/-control with measurement-feedback for Pritchard-Salamon systems. I. The equivalent discrete-time control problem

Author(s):  
F.D. Barb ◽  
W. De Koning ◽  
V. Ionescu
1994 ◽  
Vol 39 (9) ◽  
pp. 1936-1939 ◽  
Author(s):  
A.A. Stoorvogel ◽  
A. Saberi ◽  
B.M. Chen

Author(s):  
C.H. Scott ◽  
T.R. Jefferson

AbstractIn this paper we use the theory of generalized geometric programming to develop a dual for a discrete time convex optimal control problem. This has interesting interpretational implications. Further it is shown that the variables in the dual problem are intimately related to the costate vector in the usual Maximum Principle approach.


2000 ◽  
Vol 123 (2) ◽  
pp. 245-249 ◽  
Author(s):  
Wu-Chung Su ◽  
Sergey V. Drakunov ◽  
U¨mit O¨zgu¨ner

The sampled-data boundary control problem for a longitudinal flexible bar is formulated as a linear discrete-time control problem in an infinite-dimensional state space. With zero-order-hold applied to the control channel, the system is lifted into an infinite sequence of constant control problems. The finite-dimensional approximation of the discrete-time system is controllable-observable if the sampling period satisfies some inequality constraints, which are related to the associated eigenvalues.


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