Computationally efficient methods for digital control

D.J. Guerreiro Tome Antunes, J.P. Hespanha, C.J. Silvestre, N. Kataria, F. Brewer

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

The problem of designing a digital controller is considered with the novelty of explicitly taking into account the computation cost of the controller implementation. A class of controller emulation methods inspired by numerical analysis is proposed. Through various examples it is shown that these methods are capable of outperforming the conventional ones, in the sense of achieving a better performance/computation cost tradeoff. The performance indexes consider (i) the error between the continuous-time controller to be emulated and the digital controller; and (ii) the closed-loop induced norm.
Original languageEnglish
Title of host publicationProceedings of the 47th Conference on Decision and Control, 9-11 December 2008, Cancun, Mexico
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages502-507
DOIs
Publication statusPublished - 2008

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