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[1, 2018] 

Journal of Electrical Engineering, Vol 69, 1 (2018) 14-23 DOI: 10.1515/jee-2018-0002

Model-free adaptive speed control on travelling wave ultrasonic motor

Sisi Di – Huafeng Li

   This paper introduced a new data-driven control (DDC) method for the speed control of ultrasonic motor (USM). The model-free adaptive control (MFAC) strategy was presented in terms of its principles, algorithms, and parameter selection. To verify the efficiency of the proposed method, a speed-frequency-time model, which contained all the measurable nonlinearity and uncertainties based on experimental data was established for simulation to mimic the USM operation system. Furthermore, the model was identified using particle swarm optimization (PSO) method. Then, the control of the simulated system using MFAC was evaluated under different expectations in terms of overshoot, rise time and steady-state error. Finally, the MFAC results were compared with that of proportion iteration differentiation (PID) to demonstrate its advantages in controlling general random system.

Keywords: data driven control, model free control, speed control, ultrasonic motor


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