International Journal of Fuzzy Logic and Intelligent Systems

  • 제10권1호
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  • Pages.43-48
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  • 2010
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  • 1598-2645(pISSN)
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  • 2093-744X(eISSN)
한국지능시스템학회 (Korean Institute of Intelligent Systems)
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Experimental Studies of Neural Compensation Technique for a Fuzzy Controlled Inverted Pendulum System

  • Lee, Geun-Hyeong (Department-of-Mechatronics-Engineering,-Chungnam-National-University) ;
  • Jung, Seul (Department-of-Mechatronics-Engineering,-Chungnam-National-University)
  • 투고 : 2009.11.27
  • 심사 : 2010.02.20
  • 발행 : 2010.03.25
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초록

This article presents the experimental studies of controlling angle and position of the inverted pendulum system using neural network to compensate for errors caused due to fuzzy controller. Although fuzzy control method can deal with nonlinearities of the system, fixed fuzzy rules may not work and result in tracking errors in some cases. First, a nominal Takagi-Sugeno (TS) type fuzzy controller with fixed weights is used for controlling the inverted pendulum system. Then the neural network is added at the reference input to form the reference compensation technique (RCT)control structure. Neural network modifies the input trajectories to improve system performances by updating internal weights in on-line fashion. The back-propagation learning algorithm for neural network is derived and used to update weights. Control hardware of a DSP 6713 board to have real time control is implemented. Experimental results of controlling inverted pendulum system are conducted and performances are compared.

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참고문헌

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