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Intelligent fault-tolerant system of vibration control for flexible structures

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Abstract

This paper describes an intelligent fault-tolerant control method for vibration control of flexible structures. We consider a case where the fault phenomena of the control system for flexible structures can be treated as a change of system parameters. Therefore, the adaptive control method can be applied to a vibration control system for flexible structures with a fault. In this paper, a neural network (NN) adaptive control system is used to compensate for the change in the parameters of a plant with a fault. When the characteristics of the plant and of a nominal model have been agreed by a NN adaptive control system, the control method designed for the nominal model, such as decoupling feedback control or linearizing feedback control, can be used even if the change in the system parameters has been caused by a fault. To confirm the effectiveness of the proposed fault-tolerant control method, the simulational results from a 5-link robotic arm are shown at the end of the paper.

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References

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Author notes

  1. Masahiro Isogai

    Present address: Department of Mechanical Systems Engineering, Aichi University of Technology, 50-2 Manori, Nishihasamacho, 443-0047, Gamagohri, Aichi, Japan

Authors and Affiliations

  1. Yamazaki Mazak Co., Oguchi-cho, Niwa-gun, 481-0100, Aichi, Japan

    Masahiro Isogai

  2. Department of Micro System Engineering, Nagoya University, Nagoya, Japan

    Fumihito Arai

  3. Center for Cooperative Research in Advanced Science and Technology of Nagoya University, Nagoya, Japan

    Toshio Fukuda

Authors
  1. Masahiro Isogai
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  2. Fumihito Arai
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  3. Toshio Fukuda
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Corresponding author

Correspondence to Masahiro Isogai.

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Isogai, M., Arai, F. & Fukuda, T. Intelligent fault-tolerant system of vibration control for flexible structures. Artif Life Robotics 4, 27–30 (2000). https://doi.org/10.1007/BF02481473

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  • DOI: https://doi.org/10.1007/BF02481473

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