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		Chengyuan CHANG,Shihwei HSU,Kuohung CHIANG.[en_title][J].Control Theory and Technology,2005,3(3):266~270.[Copy]

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ChengyuanCHANG,ShihweiHSU,KuohungCHIANG
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Received:December 09, 2004Revised:July 30, 2005

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A practical fuzzy controllers scheme of overhead crane

Chengyuan CHANG, Shihwei HSU, Kuohung CHIANG

(Department of Electronic Engineering,Ching Yun University,Jhongli,Taoyuan 320,Taiwan,China)

Abstract:

This paper presents fuzzy-based design for the control of overhead crane.Instead of analyzing the complex nonlinear crane system,the proposed approach uses simple but effective way to control the crane.There are twin fuzzy controllers which deal with the feedback information,the position of trolley crane and the swing angle of load,to suppress the sway and accelerate the speed when the crane transports the heavy load.This approach simplifies the designing procedure of crane controller;besides,the twin controller method reduces the rule number when fulfilling the fuzzy system.Finally,experimental results through the crane model demonstrate the effectiveness of the scheme.

Key words: Overhead Crane Fuzzy Control