|Table of Contents|

Feedback Controller of Wind Energy Conversion System Based on Fuzzy Performance Evaluator

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2012年06期
Page:
0-
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Info

Title:
Feedback Controller of Wind Energy Conversion System Based on Fuzzy Performance Evaluator
Author(s):
WU DinghuiSHEN YanxiaJI Zhicheng
Key Laboratory of Advanced Process Control for Light Industry of Ministry of Education,Wuxi 214122,China
Keywords:
fuzzy performance evaluatorswind energy conversion systemsfeedback controllersnondestructive testing methodmembership functions
PACS:
TM341
DOI:
-
Abstract:
In view of the problems of nonlinearity of wind energy conversion system(WECS)and uncertainty of parameters,a TS fuzzy state feedback controller is established based on a fuzzy performance evaluator.The highspeed shaft rotational speed and electromagnetic torque are used as premise variables.A nondestructive testing method is applied.The fuzzy state feedback controller of globe models is established using membership functions.The fuzzy dynamic model of wind energy conversion systems is realized,and the modeling errors and disturbances are decreased.Simulation results demonstrate that with the proposed controller,the wind energy capture ratio and the tip speed ratio can be maintained around the optimal values,and the maximization of wind energy capture ratio under the rated wind velocity is realized.

References:

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Last Update: 2012-12-29