Nonsmooth H synthesis in the presence of backlash

Yury V. Orlov, Luis T. Aguilar

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

A number of industrial systems and consumer products currently in use are characterized by the actuator nonidealities, such as backlash, dead zone, and others, adversely affecting system performance. Consistently addressing these nonsmooth nonidealities, while also providing robust performance, has been a longstanding problem in the control of these plants. In this chapter, this problem is addressed through the nonsmooth H -output controller design, which takes into account the dead zone in the transmitted actuator signal. The nonsmooth H -output regulator is first developed for a servomechanism, driven by DC motor, where backlash effects occur in the servomechanism itself, and then it is applied to the experimentally obtained boiler/turbine model with actuator dead zone. The simulation results showing a considerable performance improvement are given.

Original languageEnglish
Title of host publicationSystems and Control
Subtitle of host publicationFoundations and Applications
PublisherBirkhauser
Pages151-167
Number of pages17
Edition9781493902910
DOIs
StatePublished - 2014
Externally publishedYes

Publication series

NameSystems and Control: Foundations and Applications
Number9781493902910
ISSN (Print)2324-9749
ISSN (Electronic)2324-9757

Keywords

  • Backlash
  • Dead zone
  • Robust synthesis
  • Servomechanism
  • Turbine

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