A Study on Nonlinear PID Controller Design Using a Cell-Mediated Immune Response

세포성 면역 반응을 이용한 비선형 PID 제어기 설계에 관한 연구

  • 박진현 (진주산업대학교 메카트로닉스공학과) ;
  • 최영규 (부산대 전자전기정보컴퓨터공학부)
  • Published : 2003.05.01

Abstract

In this paper, we propose a nonlinear variable PID controller using a cell-mediated immune response. An immune feedback response is based on the functioning of biological T-cells. An immune feedback response and P-controller of conventional PID controllers resemble each other in role and mechanism. Therefore, we extend immune feedback mechanism to nonlinear PE controller. And in order to choose the optimal nonlinear PID controller games, we also propose the on-line tuning algorithm of nonlinear functions parameters in immune feedback mechanism. The trained parameters of nonlinear functions are adapted to the variations of the system parameters and any command velocity. And the adapted parameters obtained outputs of nonlinear functions with an optimal control performance. To verify performances of the proposed control systems, the speed control of nonlinear BC motor is performed. The simulation results show that the proposed control systems are effective in tracking a command velocity under system variations.

Keywords

References

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