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Title:
METHOD AND DEVICE FOR FUZZY CONTROL
Document Type and Number:
Japanese Patent JP3105028
Kind Code:
B2
Abstract:

PURPOSE: To easily realize fuzzy control only by using past observation data on a controlled object without depending upon the experience rule of an operator.
CONSTITUTION: A fuzzy control system A before performing the fuzzy control supplies a manipulated variable to the controlled system 4 for a certain time and stores an observation value obtained from the controlled system 4 at this time in a storage part 5 and a clustering arithmetic part 8 generates many feature vectors showing the input/output relation of the controlled system 4 according to the observation value. Those characteristic vectors are classified in several clusters according to the mutual distances to find the center values of the respective clusters, the cluster center values are stored in a cluster center value storage part 2 to obtain the approximate model of the controlled system 4, and this is utilized as the fuzzy controller of a fuzzy control system A.


Inventors:
Hideyuki Aisu
Keiichi Endo
Application Number:
JP16181891A
Publication Date:
October 30, 2000
Filing Date:
July 02, 1991
Export Citation:
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Assignee:
Toshiba Corporation
International Classes:
G05B13/02; G06F9/44; G06N7/02; (IPC1-7): G05B13/02; G06F9/44
Domestic Patent References:
JP2306364A
Other References:
廣田薫、外1名、「ファジィクラスタリングを用いたファジィ制御規則の同定」、第5回ファジィシステムシンポジウム講演論文集、国際ファジィシステム学会(IFSA)日本支部、平成元年6月2日、P.253−258
Attorney, Agent or Firm:
Takehiko Suzue