New design methodology for adaptive switching gain based discrete-time sliding mode control

Nalin Kumar Sharma, Spandan Roy, S. Janardhanan

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)
40 Downloads (Pure)

Abstract

The adaptive sliding mode control technique relaxes the assumption of known bound of the disturbance in discrete-time systems. However, the existing technique of gain adaptation in discrete-time sliding mode control has issues of gain overestimation and underestimation. Therefore, this paper proposes a technique to adapt the switching gain such that the adaptive gain can tackle the uncertainty without any knowledge of the bound of uncertainty while overcoming the over- and under-estimation problems of switching gain.

Original languageEnglish
Number of pages8
JournalInternational Journal of Control
DOIs
Publication statusE-pub ahead of print - 2019

Keywords

  • Adaptive sliding mode
  • discrete-time systems
  • reaching law with adaptive gain
  • unknown disturbance bound

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