Neuro-fuzzy speed tracking control of traveling-wave ultrasonic motor drives using direct pulse width modulation

  title={Neuro-fuzzy speed tracking control of traveling-wave ultrasonic motor drives using direct pulse width modulation},
  author={K. T. Chau and S K Chung},
  journal={Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344)},
  pages={2043-2050 vol.3}
The traveling-wave ultrasonic motor (TUSM) drive offers many distinct advantages but suffers from severe system nonlinearities and parameter variations especially during speed control. This paper presents a new speed tracking control system for the TUSM drive, which newly incorporates neuro-fuzzy control and direct pulse width modulation to solve the problem of nonlinearities and variations. Increasingly, the proposed control system is digitally implemented by a low-cost digital signal… CONTINUE READING
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