Applications of fuzzy inference systems in global approximate desgin optimization

Seungjin Kim, Jongsoo Lee

Research output: Contribution to conferencePaper

Abstract

The paper describes the construction of global function approximation models for use in design optimization via global search techniques such as genetic algorithms. Two different approximation methods referred to as evolutionary fuzzy modeling (EFM) and neuro-fuzzy modeling (NFM) are implemented in the context of global approximate optimization. EFM and NFM are based on soft computing paradigms utilizing fuzzy systems, neural networks and evolutionary computing techniques. Such approximation methods may have their promising characteristics in a case where the training data is not sufficiently provided or uncertain information may be included in design process. Fuzzy inference system is a central of identifying the input/output relationship in both methods. The paper introduces the general procedures including fuzzy rule generation, membership function selection and inference process for EFM and NFM, and presents their generalization capabilities in terms of number of fuzzy rules and training data with application to a three-bar truss optimization.

Original languageEnglish
Publication statusPublished - 2000 Dec 1
Event8th Symposium on Multidisciplinary Analysis and Optimization 2000 - Long Beach, CA, United States
Duration: 2000 Sep 62000 Sep 8

Other

Other8th Symposium on Multidisciplinary Analysis and Optimization 2000
CountryUnited States
CityLong Beach, CA
Period00/9/600/9/8

Fingerprint

Fuzzy inference
Fuzzy rules
Soft computing
Fuzzy systems
Membership functions
Genetic algorithms
Neural networks
Design optimization

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Mechanical Engineering

Cite this

Kim, S., & Lee, J. (2000). Applications of fuzzy inference systems in global approximate desgin optimization. Paper presented at 8th Symposium on Multidisciplinary Analysis and Optimization 2000, Long Beach, CA, United States.
Kim, Seungjin ; Lee, Jongsoo. / Applications of fuzzy inference systems in global approximate desgin optimization. Paper presented at 8th Symposium on Multidisciplinary Analysis and Optimization 2000, Long Beach, CA, United States.
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Kim, S & Lee, J 2000, 'Applications of fuzzy inference systems in global approximate desgin optimization' Paper presented at 8th Symposium on Multidisciplinary Analysis and Optimization 2000, Long Beach, CA, United States, 00/9/6 - 00/9/8, .

Applications of fuzzy inference systems in global approximate desgin optimization. / Kim, Seungjin; Lee, Jongsoo.

2000. Paper presented at 8th Symposium on Multidisciplinary Analysis and Optimization 2000, Long Beach, CA, United States.

Research output: Contribution to conferencePaper

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Kim S, Lee J. Applications of fuzzy inference systems in global approximate desgin optimization. 2000. Paper presented at 8th Symposium on Multidisciplinary Analysis and Optimization 2000, Long Beach, CA, United States.