Fuzzy controllers for nonlinear interconnected tmd systems with external force

Feng Hsiag Hsiao, Cheng Wu Chen, Yao Hwa Wu, Wei Ling Chiang

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

Abstract

This paper investigates the effectiveness of a passive tuned mass damper (TMD) and active fuzzy controllers in reducing structural responses under external forces. In general, TMD is good for linear systems. We propose here a fuzzy controller to deal with nonlinear systems. For the fuzzy controller, a stability criterion in terms of Lyapunov's direct method is derived to guarantee the stability of interconnected TMD systems. Based on decentralized control and this criterion, a set of model-based fuzzy controllers are then synthesized via the technique of parallel distributed compensation (PDC) to stabilize the nonlinear interconnected TMD system. Finally, an example is given to illustrate the concepts discussed throughout this paper.

Keywords

  • Fuzzy control
  • Interconnected subsystems
  • T-S fuzzy models
  • TMD

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