L^{1}-optimal compensators for continuous-time systems |
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Authors: | Dahleh M. Pearson J. Jr. |
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Affiliation: | Massachusetts Institute of Technology, Cambridge, MA, USA; |
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Abstract: | Previous work has been concerned with minimizing thel^{1}-norm of an error pulse response for discrete-time SISO [1] and MIMO [2] systems. In this paper we study the problem of minimizing the L1-norm of the error impulse response for SISO continuous-time systems. This problem is quite different from the discrete-time problem in that irrational solutions are obtained even when the problem data are rational. Two methods are suggested for the solution of the continuous-time problem; an exact method which leads to a finite-dimensional nonlinear programming problem, and an approximate method which leads to a linear programming problem. |
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