Structural Engineering and Mechanics

  • 제69권3호
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  • Pages.307-315
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  • 2019
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Chattering-free sliding mode control with a fuzzy model for structural applications

  • 투고 : 2018.07.13
  • 심사 : 2018.12.29
  • 발행 : 2019.02.10
⟨ 이전 논문 다음 논문 ⟩

초록

This paper proposes a chattering-free sliding mode control (CFSMC) method for seismically excited structures. The method is based on a fuzzy logic (FL) model applied to smooth the control force and eliminate chattering, where the switching part of the control law is replaced by an FL output. The CFSMC is robust and keeps the advantages of the conventional sliding mode control (SMC), whilst removing the chattering and avoiding the time-consuming process of generating fuzzy rule basis. The proposed method is tested on an 8-story shear frame equipped with an active tendon system. Results indicate that the new method not only can effectively enhance the seismic performance of the structural system compared to the SMC, but also ensure system stability and high accuracy with less computational cost. The CFSMC also requires less amount of energy from the active tendon system to produce the desired structural dynamic response.

키워드

과제정보

연구 과제 주관 기관 : ARC

참고문헌

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