4th International Conference on Computer and Knowledge Engineering (ICCKE 2014 , 2014-10-29

Title : ( A Hierarchical Fuzzy Approach for Adaptation of Pre-given Parameters in an Interval Type-2 TSK Fuzzy Neural Structure )

Authors: Mohammad Reza Akbarzadeh Totonchi , شیرین فرتاش طلوع ,

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In self-evolving type-2 fuzzy neural structures,there are several pre-given parameters that are conventionally defined before the runtime by using trial-anderror.This approach is very time-consuming and does not guarantee that the selected values are the most appropriate ones for ensuring high convergence speed. To overcome these drawbacks, here a hierarchical fuzzy controller is proposed. The proposed hierarchical controller helps to increase precision since it dynamically adjusts pre-given parameters online by considering the error changes. Moreover, the proposed structure helps to reduce complexity and avoid “curse of dimensionality” which is a common phenomenon when the number of input variables to the fuzzy system is large. Hence, this structure is suitable for type-2 fuzzy neural systems which usually have several pregiven parameters to be adjusted. The proposed hierarchical fuzzy controller is applied to an interval type-2 TSK fuzzy neural network and the performance is investigated by comparing the results with trial-and-error approach in two different applications of identification and control. The simulation results indicate that the proposed method can effectively cover the drawbacks of trial-and-error approach while it enhances the precision of the system.

Keywords

, type, 2 fuzzy neural network; hierarchical fuzzy controller; fuzzy identification; learning
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@inproceedings{paperid:1046036,
author = {Akbarzadeh Totonchi, Mohammad Reza and شیرین فرتاش طلوع},
title = {A Hierarchical Fuzzy Approach for Adaptation of Pre-given Parameters in an Interval Type-2 TSK Fuzzy Neural Structure},
booktitle = {4th International Conference on Computer and Knowledge Engineering (ICCKE 2014},
year = {2014},
location = {مشهد, IRAN},
keywords = {type-2 fuzzy neural network; hierarchical fuzzy controller; fuzzy identification; learning rate.},
}

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%0 Conference Proceedings
%T A Hierarchical Fuzzy Approach for Adaptation of Pre-given Parameters in an Interval Type-2 TSK Fuzzy Neural Structure
%A Akbarzadeh Totonchi, Mohammad Reza
%A شیرین فرتاش طلوع
%J 4th International Conference on Computer and Knowledge Engineering (ICCKE 2014
%D 2014

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