Demonstration of structural changes in variable structure control using state space approach

Babagana M. Mustapha, V. C. Ikpo, Abubakar Sadiq Hussaini, I. T.E. Elfergani, Read Abd-Alhameed, Jonathan Rodriguez

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

Abstract

This paper demonstrates structural changes in variable structure control. A second order open loop unstable system was used as an illustrative example to demonstrate the structural changes; the system has real, positive open loop eigenvalues. A change of system eigenvalues implies a change of system structure. A structure may have properties such as being stable or unstable, fast/sluggish response, and insensitive to all inputs including disturbances. Thus the strategy of variable structure control is to provide the system with a means of switching from one structure to another with a view to exploiting the useful properties available in both structures. The bonus is that it is possible to arrive at a completely different lower order-structure which is totally insensitive to disturbances and internal parameter uncertainties.

Original languageEnglish
Title of host publication2017 Internet Technologies and Applications, ITA 2017 - Proceedings of the 7th International Conference
Subtitle of host publicationTuesday 12th – Friday 15th September 2017 Wrexham Glyndŵr University, Wales, UK
EditorsRich Picking, Stuart Cunningham, Nigel Houlden, Denise Oram, Vic Grout, Julie Mayers
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages320-323
Number of pages4
ISBN (Electronic)978-1-5090-4815-1, 978-1-5090-4814-4
DOIs
Publication statusPublished - 8 Nov 2017
Event7th International Conference on Internet Technologies and Applications, ITA 2017 - Wrexham, United Kingdom
Duration: 12 Sept 201715 Sept 2017

Conference

Conference7th International Conference on Internet Technologies and Applications, ITA 2017
Country/TerritoryUnited Kingdom
CityWrexham
Period12/09/1715/09/17

Keywords

  • Positive open loop eigenvalues
  • State space approach
  • Variable structure control

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