Journal of Mechanical Science and Technology

  • 제20권11호
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  • Pages.1823-1833
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  • 2006
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  • 1738-494X(pISSN)
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  • 1976-3824(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
권호 표지

Immune Algorithm Based Active PID Control for Structure Systems

  • Lee, Young-Jin (Department of Electrical Instrument and Control, Korea Aviation Polytechnic College) ;
  • Cho, Hyun-Cheol (Department of Electrical Engineering, University of Nevada-Reno) ;
  • Lee, Kwon-Soon (Department of Electrical Engineering, Dong-A University)
  • 발행 : 2006.11.01
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초록

An immune algorithm is a kind of evolutional computation strategies, which is developed in the basis of a real immune mechanism in the human body. Recently, scientific or engineering applications using this scheme are remarkably increased due to its significant ability in terms of adaptation and robustness for external disturbances. Particularly, this algorithm is efficient to search optimal parameters against complicated dynamic systems with uncertainty and perturbation. In this paper, we investigate an immune algorithm embedded Proportional Integral Derivate (called I-PID) control, in which an optimal parameter vector of the controller is determined offline by using a cell-mediated immune response of the immunized mechanism. For evaluation, we apply the proposed control to mitigation of vibrations for nonlinear structural systems, cased by external environment load such as winds and earthquakes. Comparing to traditional controls under same simulation scenarios, we demonstrate the innovation control is superior especially in robustness aspect.

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참고문헌

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