Tuning of a new fuzzy bang-bang relay controller for attitude control system

Farrukh Nagi, Aidil Azwin Zainul Abidin, Abdul Talip Zulkarnain, Jawad Nagi, A. Marwan

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A new fuzzy bang-bang relay controller (FBBRC) is introduced in this paper. The new controller is inherently optimal due to its bang-bang property. The controller has fuzzy decision-making capability in its inputs and have two fixed levels bang-bang output. Consequently, the tuning of FBBRC is restricted to input parameters only in comparison to standard fuzzy logic controller (FLC) where the output parameters can also be tuned. The stability of new controller stems from well-established bang-bang sliding mode control theory. The work presented here demonstrates that tuning the inputs of the proposed FBBRC is more effective and simpler than tuning all the parameters of standard FLC. The two controllers are tuned online with gradient descent optimisation method and tested for regulator and tracking mode control. Simulation result shows that new controller has faster response time and is capable of controlling the system under adverse initial conditions.

Original languageEnglish
Pages (from-to)97-118
Number of pages22
JournalInternational Journal of Automation and Control
Volume5
Issue number2
DOIs
Publication statusPublished - 01 May 2011

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Attitude control
Tuning
Control systems
Controllers
Fuzzy logic
Sliding mode control
Control theory
Decision making

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Software
  • Hardware and Architecture
  • Industrial and Manufacturing Engineering

Cite this

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Tuning of a new fuzzy bang-bang relay controller for attitude control system. / Nagi, Farrukh; Zainul Abidin, Aidil Azwin; Zulkarnain, Abdul Talip; Nagi, Jawad; Marwan, A.

In: International Journal of Automation and Control, Vol. 5, No. 2, 01.05.2011, p. 97-118.

Research output: Contribution to journalArticle

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