Rational suboptimal continuous-time controller design |
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Authors: | Halpern ME |
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Affiliation: | Dept. of Electr. & Electron. Eng., Melbourne Univ., Parkville, Vic.; |
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Abstract: | We obtain rational suboptimal continuous-time solutions to some optimal control problems specified via time domain performance criteria. These include ℒ1 and ℒ∞ norms and peak overshoot. The approach uses linear semi-infinite programming to compute weights for a given finite set of rational basis functions and makes the best possible use of the basis. The closed-loop transfer functions obtained satisfy appropriate interpolation constraints for internal stability and the formulation allows additional linear constraints to be incorporated |
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