Automatic Acquisition of Local Fuzzy Rules by DNA Coding in new Composition Reasoning Method

새로운 합성 추론법에서 DNA 코딩을 이용한 국소 퍼지 규칙의 자동획득

  • 박종규 (원광대학교 제어계측공학과) ;
  • 안태천 (원광대학교 전기·전자공학부) ;
  • 윤양웅 (원광대학교 전기·전자공학부)
  • Published : 1999.11.01

Abstract

In this paper, the new composition Irethod of global and local fuzzy reasoning concepts is proposed to reduce, optimize and automatically acquire the number of rules, without any lose of the general performances in conventional fuzzy controllers. In order to control the interaction between global reasoning and local reasoning, the DNA coding algorithm is introduced to the local fuzzy reasoning of the proposed composition fuzzy reasoning rrethod. The method is awlied to the real liquid level control system for the purpose of evaluating the performance. The sinru1ation results show that the proposed technique can control the system with higher accuracy and automatical1y acquire the fuzzy rules with rmre feasibility, than the conventional methods.ethods.

본 논문에서는, 퍼지 제어기의 성능에 대한 손실이 없으면서, 퍼지규칙의 수를 줄이고 최적화하고 자동화할 수 있는 방법으로 개략추론과 국소추론의 개념을 결합시킨 새로운 합성형 퍼지 추론법을 제안한다. 개략추론과 국소추론의 상호작용을 제어하기 위하여, DNA코딩 알고리즘을 합성형 퍼지 추론법의 국소퍼지 추론부에 도입한다. 그리고, 제안된 방법의 성능을 평가하기 위하여 실제의 수위제어 시스템에 적용하고, 시뮬레이션한 결과는 제안된 방법이 종래의 제어기법보다 고도의 제어 정밀성을 가지며, 퍼지규칙의 자동 획득도 용이함을 입증하였다.

Keywords

References

  1. Fuzzy Engineering B. Kosko
  2. A Course in Fuzzy Systems and Control L.X. Wang
  3. Fuzzy Logic With Engineering Applications T.J. Ross
  4. 퍼지이론과 제어 채석;오영석
  5. 퍼지논리 제어 변증남
  6. The 1st Online Workshop in Soft Computing(WCS1) A Combination of DNA Coding Mechod with Pseudo-Bacterial GA for Acquisition of Fuzzy Control Rules T. Yoshikawa;T. Furuhashi;Y. Uchikawa
  7. 9th Annual Metting of Biomedical Fuzzy Systems Association DNA Biosoft Computing E. Sanchez
  8. Proceedings of the 1997 IEEE International Intermag.,'97 Magnetics Conference A New Algorithm for DNA Based Computation R.C. Murphy;R.Deaton;D.R. Franceschetti;S.E. Stevens Jr.;M. Garzon
  9. The Second Online Workshop on Evolutionary Computing(WEC2) Pseudo-Bacterial Genetic Algorithm and Finding of Fuzzy Rules T. Furugashi;Y. Miyata;Y Uchikawa
  10. The 1st Online Workshop in Soft Computing(WCSI) A Combination of DNA Coding Mechod with Pseudo-Bacterial GA for Acquisition of Fuzzy Control Rules T. Yoshikawa;T. Furuhashi;Y. Uchikawa
  11. Proceeding of the 1997 IEEE International Intermag '97 Magnetics Conference The Effects of Combination of DNA Coding Method With Pseudo-Bacterial GA T. Yoshikawa;T. Furuhashi;Y. Uchidawa
  12. Feedback Control of Dynamic Systems G.F. Franklin;J.D. Powell;A. Emami-Naeini
  13. Automatic Control Systems(Seventh Edition) B.C. Kuo
  14. Control System Design Using Matlab B. Shahian;M. Hassul