Modelling, design, and real time implementation of robust H-infinity position control of piezoelectric actuator drive
by M. Brahim; Y. Bernard; I. Bahri
International Journal of Mechatronics and Automation (IJMA), Vol. 6, No. 4, 2018

Abstract: This paper deals with the synthesis, design, and implementation of robust H-infinity (H_∞) position controller of piezoelectric actuator drive (PAD). The PAD is an accurate rotary piezoelectric motor that employs the elongation of stack actuators and the micro-toothed ring and shaft to generate precise rotation motion. The motor position depends on precise adjustment between the motor ring and shaft and therefore demands a closed loop control to overcome the maladjustment problems. In this paper, Simulink model of the PAD is firstly proposed. Robust H_∞ position controller is then designed, implemented, and validated by simulation and experimental tests.

Online publication date: Mon, 08-Oct-2018

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