Robust controller design using h-infinity loop-shaping and the method of inequalities

Date

1994-12-01

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IEEE

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Article

ISSN

1063-6536

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Citation

Whidborne, J. F., Postlethwaite, I., Gu, D.-W., 1994, IEEE Transactions on Control Systems Technology, Robust controller design using h-infinity loop-shaping and the method of inequalities, Vol. 2, Iss. 4, pp. 455-461

Abstract

A new approach to robust controller design is proposed. By using plant-weighting functions as the design parameters, the approach combines the method of inequalities with robust stabilization of normalized coprime factor descriptions of the weighted plant to design explicitly for closed-loop performance and stability robustness. A procedure for the design of robust two degree-of-freedom controllers is presented and is illustrated on a high-purity distillation column example

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