Steady‐State Fuzzy Modeling of Ultrasonic Motor System | Zendy

Shi Jingzhuo | Zendy; Lin Lv | Zendy

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Steady‐State Fuzzy Modeling of Ultrasonic Motor System

Author(s) -

Shi Jingzhuo,

Lin Lv

Publication year - 2011

Publication title -

modelling and simulation in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.264

H-Index - 20

eISSN - 1687-5591

pISSN - 1687-5605

DOI - 10.1155/2011/275158

Subject(s) - ultrasonic motor , ultrasonic sensor , nonlinear system , control theory (sociology) , fuzzy logic , engineering , voltage , control engineering , computer science , acoustics , mechanical engineering , control (management) , physics , electrical engineering , artificial intelligence , stator , quantum mechanics

Because of the complicated energy conversion process, ultrasonic motor has remarkable nonlinearity. Therefore, it is difficult to achieve accurate speed control of ultrasonic motor. In general, a good model is the foundation of the accurate control effect. Because of the remarkable non-linearity of ultrasonic motor, the model should also be nonlinear. In this paper, the two-input and one-output steady-state model of ultrasonic motor system is worked out using fuzzy reasoning modeling method. Comparison between experimental data and calculated data of the model prove that the model can well simulate the nonlinear relationship among the amplitude of driving voltage, frequency, and rotating speed.

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