Tuning of 'Constant in Gain Lead in Phase (CgLp)' Reset Controller using Higher-orDer Sinusoidal Input Describing Function (HOSIDF)

Xiaojun Hou, Ali Ahmadi Dastjerdi, Niranjan Saikumar, S. Hassan Hosseinnia

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

1 Citation (Scopus)

Abstract

Due to development of technology, linear controllers cannot satisfy requirements of high-tech industry. One solution is using nonlinear controllers such as reset elements to overcome this big barrier. In literature, the Constant in gain Lead in phase (CgLp) compensator is a novel reset element developed to overcome the inherent linear controller limitations. However, a tuning guideline for these controllers has not been proposed so far. In this paper, a recently developed method named higher-order sinusoidal input describing function (HOSIDF), which gives deeper insight into the frequency behaviour of non-linear controllers compared to sinusoidal input describing function (DF), is used to obtain a straight-forward tuning method for CgLp compensators. In this respect, comparative analyses on tracking performance of these compensators are carried out. Based on these analyses, tuning guidelines for CgLp compensators are developed and validated on a high-tech precision positioning stage. The results show the effectiveness of the developed tuning method.

Original languageEnglish
Title of host publicationProceedings of the Australian and New Zealand Control Conference, ANZCC 2020
Place of PublicationPiscataway, NJ, USA
PublisherIEEE
Pages91-96
ISBN (Electronic)978-1-7281-9992-4
DOIs
Publication statusPublished - 2020
Event2020 Australian and New Zealand Control Conference, ANZCC 2020 - Virtual, Gold Coast, Australia
Duration: 26 Nov 202027 Nov 2020

Conference

Conference2020 Australian and New Zealand Control Conference, ANZCC 2020
CountryAustralia
CityVirtual, Gold Coast
Period26/11/2027/11/20

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