Volume 7 Number 2
May 2010
Article Contents
Shao-Cheng Tong and Ning Sheng. Adaptive Fuzzy Observer Backstepping Control for a Class of Uncertain Nonlinear Systems with Unknown Time-delay. International Journal of Automation and Computing, vol. 7, no. 2, pp. 236-246, 2010. doi: 10.1007/s11633-010-0236-y
Cite as: Shao-Cheng Tong and Ning Sheng. Adaptive Fuzzy Observer Backstepping Control for a Class of Uncertain Nonlinear Systems with Unknown Time-delay. International Journal of Automation and Computing, vol. 7, no. 2, pp. 236-246, 2010. doi: 10.1007/s11633-010-0236-y

Adaptive Fuzzy Observer Backstepping Control for a Class of Uncertain Nonlinear Systems with Unknown Time-delay

Author Biography:
  • Corresponding author: Shao-Cheng Tong graduated from Jinzhou Normal College,PRC in 1982. He received the M.Sc.
  • Received: 2009-04-27
Fund Project:

supported by National Natural Science Foundation of China (No.60674056);Outstanding Youth Funds of Liaoning Province (No.2005219001);Educational Department of Liaoning Province (No.2006R29,No.2007T80)

通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Adaptive Fuzzy Observer Backstepping Control for a Class of Uncertain Nonlinear Systems with Unknown Time-delay

    Corresponding author: Shao-Cheng Tong graduated from Jinzhou Normal College,PRC in 1982. He received the M.Sc.
Fund Project:

supported by National Natural Science Foundation of China (No.60674056);Outstanding Youth Funds of Liaoning Province (No.2005219001);Educational Department of Liaoning Province (No.2006R29,No.2007T80)

Abstract: In this paper, a new adaptive fuzzy backstepping control approach is developed for a class of nonlinear systems with unknown time-delay and unmeasured states. Using fuzzy logic systems to approximate the unknown nonlinear functions, a fuzzy state observer is designed for estimating the unmeasured states. On the basis of the state observer and applying the backstepping technique, an adaptive fuzzy observer control approach is developed. The main features of the proposed adaptive fuzzy control approach not only guarantees that all the signals of the closed-loop system are semiglobally uniformly ultimately bounded, but also contain less adaptation parameters to be updated on-line. Finally, simulation results are provided to show the effectiveness of the proposed approach.

Shao-Cheng Tong and Ning Sheng. Adaptive Fuzzy Observer Backstepping Control for a Class of Uncertain Nonlinear Systems with Unknown Time-delay. International Journal of Automation and Computing, vol. 7, no. 2, pp. 236-246, 2010. doi: 10.1007/s11633-010-0236-y
Citation: Shao-Cheng Tong and Ning Sheng. Adaptive Fuzzy Observer Backstepping Control for a Class of Uncertain Nonlinear Systems with Unknown Time-delay. International Journal of Automation and Computing, vol. 7, no. 2, pp. 236-246, 2010. doi: 10.1007/s11633-010-0236-y
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