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JACIII Vol.1 No.1 pp. 23-30
doi: 10.20965/jaciii.1997.p0023
(1997)

Paper:

SIRMs (Single Input Rule Modules) Connected Fuzzy Inference Model

Naoyoshi Yubazaki*, Jianqiang Yi* and Kaoru Hirota**

*Mycom, Inc., 12, S. Shimobano-cho, Saga Hirosawa, Ukyo, Kyoto 616, Japan

**Interdisciplinary Graduate School of Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226, Japan

Received:
March 1, 1997
Accepted:
May 20, 1997
Published:
October 20, 1997
Keywords:
Fuzzy inference model, Identification, Importance degree, Plural input fuzzy control, Single input rule module
Abstract

A new fuzzy inference model, SIRMs (Single Input Rule Modules) Connected Fuzzy Inference Model, is proposed for plural input fuzzy control. For each input item, an importance degree is defined and single input fuzzy rule module is constructed. The importance degrees control the roles of the input items in systems. The model output is obtained by the summation of the products of the importance degree and the fuzzy inference result of each SIRM. The proposed model needs both very few rules and parameters, and the rules can be designed much easier. The new model is first applied to typical secondorder lag systems. The simulation results show that the proposed model can largely improve the control performance compared with that of the conventional fuzzy inference model. The tuning algorithm is then given based on the gradient descent method and used to adjust the parameters of the proposed model for identifying 4-input 1-output nonlinear functions. The identification results indicate that the proposed model also has the ability to identify nonlinear systems.

Cite this article as:
Naoyoshi Yubazaki, Jianqiang Yi, and Kaoru Hirota, “SIRMs (Single Input Rule Modules) Connected Fuzzy Inference Model,” J. Adv. Comput. Intell. Intell. Inform., Vol.1, No.1, pp. 23-30, 1997.
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