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Fuzzy 논리를 이용한 로봇 관절용 BLDC 전동기의 자기동조 PID 제어기 설계

Title
Fuzzy 논리를 이용한 로봇 관절용 BLDC 전동기의 자기동조 PID 제어기 설계
Other Titles
Design of Self - Tuning PID Controller for Brushless DC Motor Robot Arm using Fuzzy Logic
Author
임준홍
Issue Date
2017-04
Publisher
대한전기학회
Citation
ICS´ 2017 정보 및 제어 심포지엄, Page. 302-305
Abstract
We investigate the control problem of BLDC motor for robot arm. The conventional controllers such as PID and Fuzzy may not be suitable for robot arm motor control because a load of motor is changed each time by various works of robot arm. To solve the problem, we propose a self - tuning PID by Fuzzy logic in this paper. We designed controller which consists of twenty five Fuzzy rules for self - tuning of each parameter of PID controller. The errors and error derivatives are used as the input variables of logic. Three outputs of the logic are used for the gains of PID controller. Defuzzifier employs a centroid method. The parameters of self - tuning PID controller are adjusted according to theses gains. We perform simulations for the Brushless DC motor model and controllers using a MATLAB / Simulink tool. The simulation results show that the self - tuning PID by Fuzzy logic has better performance compared to Zieger - Nichols PID and conventional Fuzzy controller. The self - tuning PID controller by Fuzzy logic gives slow rise-time, short settling-time, small overshoot and no steady state error.
URI
http://www.dbpia.co.kr/Journal/ArticleDetail/NODE07161529http://repository.hanyang.ac.kr/handle/20.500.11754/103238
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ELECTRICAL ENGINEERING(전자공학부) > Articles
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