Model-Free Adaptive Positioning Control of the Bidirectional Stick–Slip Piezoelectric Actuator with Coupled Asymmetric Flexure-Hinge Mechanisms

Model-Free Adaptive Positioning Control of the Bidirectional Stick–Slip Piezoelectric Actuator with Coupled Asymmetric Flexure-Hinge Mechanisms

A model-free adaptive positioning control strategy for piezoelectric stick–slip actuators (PSSAs) with uncertain disturbance is proposed. The designed controller consists of a data-driven self-learning feedforward controller and a model-free adaptive feedback controller with a radial basis function...

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Bibliographic Details
Main Authors: Zhenguo Zhang, Yikun Dong, Shuai Yu, Xiaohui Lu, Keping Liu
Format: Article
Language:English
Published: MDPI AG 2023-09-01
Series:Sensors
Subjects:
piezoelectric stick–slip actuators (PSSAs)
positioning control
model-free adaptive control (MFAC)
radial basis function neural network (RBFNN)-based disturbance estimator
uncertain disturbance
Online Access:https://www.mdpi.com/1424-8220/23/18/7795

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