Journal of Power System Engineering (동력기계공학회지)

The Korean Society for Power System Engineering (한국동력기계공학회)
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The Study of a Population and Generation Parameter's Characteristics on PID Gain Tuning with GA in Wide Solution Area

넓은 해영역에서의 GA를 이용한 PID 제어기 게인 조정에 따른 개체수와 세대수 파라미터의 특징에 관한 연구

  • Jeong, Hwang Hun (Fluid Power System Laboratory, Research Division for Green Technology, Korea Construction Equipment Technology Institute)
  • 정황훈 (건설기계부품연구원 친환경기술본부)
  • Received : 2017.03.06
  • Accepted : 2017.06.15
  • Published : 2017.06.30
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Abstract

A GA is one of the best method to find optimal value in searching area. A GA is driven by probabilistic selection that based on the survival of the fittest. So this algorithm need a huge solving time even if it can be used lots of optimizing problem such as structural design, machine learning, system's identification and so on. This GA's characteristic constrain the program to drive offline. Some studies try to use this algorithm on online or reduce the GA's running time with parallel GA or micro GA. Unfortunately these studies still didn't reduce amount of fitness solving. If the chromosome was imported to the system, it affected system's stability. And when the control system uses online GA, it also doesn't have enough learning time. In this study, try to find stability criterion to reduce the chromosome's affection and find the characteristic of the number of population and generation when GA was driven into the wide searching area.

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References

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