Smart Structures and Systems

  • 제19권5호
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  • Pages.577-585
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  • 2017
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  • 1738-1584(pISSN)
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  • 1738-1991(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Adaptive fuzzy sliding mode control of seismically excited structures

  • 투고 : 2016.03.11
  • 심사 : 2017.05.05
  • 발행 : 2017.05.25
⟨ 이전 논문 다음 논문 ⟩

초록

In this paper, an adaptive fuzzy sliding mode controller (AFSMC) is designed to reduce dynamic responses of seismically excited structures. In the conventional sliding mode control (SMC), direct implementation of switching-type control law leads to chattering phenomenon which may excite unmodeled high frequency dynamics and may cause vibration in control force. Attenuation of chattering and its harmful effects are done by using fuzzy controller to approximate discontinuous part of the sliding mode control law. In order to prevent time-consuming obtaining of membership functions and reduce complexity of the fuzzy rule bases, adaptive law based on Lyapunov function is designed. To demonstrate the performance of AFSMC method and to compare with that of SMC and fuzzy control, a linear three-story scaled building is investigated for numerical simulation based on the proposed method. The results indicate satisfactory performance of the proposed method superior to those of SMC and fuzzy control.

키워드

참고문헌

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피인용 문헌

  1. Chattering-free sliding mode control with a fuzzy model for structural applications vol.69, pp.3, 2017, https://doi.org/10.12989/sem.2019.69.3.307
  2. Application of adaptive sliding mode control (sigma adaption method) for an uncertain three-story benchmark structure vol.23, pp.3, 2017, https://doi.org/10.1177/1369433219875306