Volume 10 Number 2
April 2013
Article Contents
State Observer Based Dynamic Fuzzy Logic System for a Class of SISO Nonlinear Systems. International Journal of Automation and Computing, vol. 10, no. 2, pp. 118-124, 2013. doi: 10.1007/s11633-013-0704-2
Cite as: State Observer Based Dynamic Fuzzy Logic System for a Class of SISO Nonlinear Systems. International Journal of Automation and Computing, vol. 10, no. 2, pp. 118-124, 2013. doi: 10.1007/s11633-013-0704-2

State Observer Based Dynamic Fuzzy Logic System for a Class of SISO Nonlinear Systems

  • Received: 2011-06-01
通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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State Observer Based Dynamic Fuzzy Logic System for a Class of SISO Nonlinear Systems

Abstract: This paper presents an observer based dynamic fuzzy logic system (DFLS) scheme for a class of unknown single-input single-output (SISO) nonlinear dynamic systems with external disturbances. The proposed approach does not need the availability of the state variables. Within this scheme, the DFLS is employed to identify the unknown nonlinear dynamic system. The control law and parameter adaptation laws of the DFLS are derived based on Lyapunov synthesis approach. The control law is robustfied in H sense to attenuate external disturbance, model uncertainties, and fuzzy approximation errors. It is shown that under appropriate assumptions, it guarantees the boundedness of all the signals in the closed-loop system and the asymptotic convergence to zero of tracking errors. The proposed method is applied to an inverted pendulum system to verify the effectiveness of the proposed algorithms.

State Observer Based Dynamic Fuzzy Logic System for a Class of SISO Nonlinear Systems. International Journal of Automation and Computing, vol. 10, no. 2, pp. 118-124, 2013. doi: 10.1007/s11633-013-0704-2
Citation: State Observer Based Dynamic Fuzzy Logic System for a Class of SISO Nonlinear Systems. International Journal of Automation and Computing, vol. 10, no. 2, pp. 118-124, 2013. doi: 10.1007/s11633-013-0704-2
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