Shome, S.K and Mukherjee, A and Karmakar, P and Datta, U (2018) Adaptive feed-forward controller of piezoelectric actuator for micro/nano-positioning. Sādhanā, 43 (158). pp. 1-9.

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Abstract

In this paper, design and implementation of an adaptive feed-forward controller for micro/nano-positioning control of piezoelectric actuator (PEA) is described. Discrete-time Dahl hysteresis-based mathematical model of the PEA is developed and the values of the model parameters are estimated through an autoregressive with exogenous terms (ARX) model identification technique using experimental input–output data. A recursive least-square estimator (RLSE)-based adaptive feed-forward (FF) controller is proposed, which takes into account the parameter uncertainty. The FF controller has also been implemented in a DsPIC30F4011 microcontroller. The established PEA model and the controller are validated by simulation and experimental results including parameter variation.

Item Type:	Article
Subjects:	Electronic instrumentation and control
Depositing User:	Dr. Arup Kr. Nandi
Date Deposited:	09 Jul 2020 11:07
Last Modified:	09 Jul 2020 11:07
URI:	http://cmeri.csircentral.net/id/eprint/520

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