Design and Development of High Voltage Linear Amplifier and It’s Application to Piezoelectric Actuators

2021 IEEE International Conference on Distributed Computing, VLSI, Electrical Circuits and Robotics (DISCOVER) Pub Date : 2021-11-19 DOI:10.1109/DISCOVER52564.2021.9663592

K. Sushith, Muralidhara, Md. Abdul Raheman

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Abstract

High voltage linear amplifiers are required to drive different actuators such as Magnetic actuator, Piezoelectric actuator and different motors. In this paper, High voltage linear amplifier is designed and developed to drive Piezoelectric actuators which are used in positioning, pumping and anti-vibration applications. The High voltage linear amplifier is developed using PA91 high voltage power operational amplifier considering inverting op-amp configuration. The voltage gain of the High voltage linear amplifier is -22. Dual power supply is designed and developed to provide VCC (165V) and VEE (-35V) to the High voltage linear amplifier. The High voltage linear amplifier has a voltage range of is -20V to 150V which is same as that of the Piezoelectric actuator and has a current carrying capacity of 200mA. Simulation of linear voltage amplifier is carried out using Multisim software and current carrying capacity of this amplifier is calculated for different frequency and capacitive loads. The practical result of the High voltage linear amplifier is determined for different piezoelectric actuators with different range of frequencies.

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高压线性放大器的设计与研制及其在压电执行器中的应用

高压线性放大器需要驱动不同的执行器，如磁执行器、压电执行器和不同的电机。本文设计并研制了一种高压线性放大器，用于驱动压电致动器，用于定位、泵送和防振。采用PA91高压功率运算放大器，考虑反相运放结构，研制了高压线性放大器。高压线性放大器的电压增益为-22。设计和开发双电源，为高压线性放大器提供VCC (165V)和VEE (-35V)。高压线性放大器的电压范围为-20V至150V，与压电致动器相同，载流能力为200mA。利用Multisim软件对线性电压放大器进行了仿真，计算了该放大器在不同频率和容性负载下的载流能力。对不同频率范围的压电作动器，确定了高压线性放大器的实际效果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2021 IEEE International Conference on Distributed Computing, VLSI, Electrical Circuits and Robotics (DISCOVER)

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