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New fuzzy reasoning-based high-performance speed/position control schemes for ultrasonic motor driven by two-phase resonant inverter

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3 Author(s)
Izuno, Y. ; Kubota Corp., Hyogo, Japan ; Takeda, R. ; Nakaoka, M.

A newly proposed high-performance speed/positional servo control scheme using ultrasonic motors (USMs) with a high torque at low speeds which is based upon modern fuzzy-reasoning concepts is discussed. The new methods of USM servo control use inverter frequency regulation and constant-velocity amplitude control strategies, including a phase-shifted angle control scheme between two-phase inverters. The experimental results are demonstrated and evaluated.<>

Published in:

Industry Applications Society Annual Meeting, 1990., Conference Record of the 1990 IEEE

Date of Conference:

7-12 Oct. 1990