Utilization of excitation signal harmonics for control of nonlinear systems

Kasper Vinther, Henrik Rasmussen, Roozbeh Izadi-Zamanabadi, Jakob Stoustrup

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

2 Citations (Scopus)
541 Downloads (Pure)

Abstract

Many model based control methods exist in the literature. Producing a sufficient system model can be cumbersome and a new non-model based method for control of nonlinear systems with input/output maps exhibiting sigmoid function properties is therefore proposed. The method utilizes an excitation signal together with Fourier analysis to generate a feedback signal and simulations have shown that different system gains and time constants does not change the global equilibrium/operating point. An evaporator in a refrigeration system was used as example in the simulations, however, it is anticipated that the method is applicable in a wide variety of systems satisfying the sigmoid function properties.
Original languageEnglish
Title of host publicationControl Applications (CCA), 2012 IEEE International Conference on
Number of pages6
PublisherIEEE Press
Publication date2012
Pages1627-1632
ISBN (Print)978-1-4673-4503-3
ISBN (Electronic)978-1-4673-4504-0
DOIs
Publication statusPublished - 2012
Event2012 IEEE Multi-conference on Systems and Control - Dubrovnik, Croatia
Duration: 3 Oct 20125 Oct 2012

Conference

Conference2012 IEEE Multi-conference on Systems and Control
Country/TerritoryCroatia
CityDubrovnik
Period03/10/201205/10/2012
SeriesI E E E International Conference on Control Applications. Proceedings
ISSN1085-1992

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