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Feedforward nonlinear PID control of a novel micromanipulator using Preisach hysteresis compensator
Tang H.; Li Y.
2015
Source PublicationRobotics and Computer-Integrated Manufacturing
ISSN7365845
Volume34Pages:124
AbstractRecently, flexure-based micromanipulators with a large workspace, high motion precision, and high positioning bandwidth are really attractive for performing practical micro/nano manipulation tasks. Thus, a piezo-actuated flexible two-degrees-of-freedom (2-DOF) micromanipulator integrated with a pair of modified differential lever displacement amplifiers (MDLDA) is developed. To enhance the practical positioning performance of the micromanipulator, a novel feedforward nonlinear Proportion-Integration-Differentiation (FNPID) control strategy combining a nonlinear PID controller with an inverted hysteresis compensator is first proposed and implemented in detail. With the consideration of hysteresis effect inherent in piezoelectric ceramics (PZT) actuators, the hysteresis nonlinearity modeling is conducted by using the Preisach theory. Finally, a series of precision motion trajectory tracking experiments are successfully conducted by using the proposed closed-loop control strategy. The experimental results indicate that the mechanism has achieved a satisfactory performance for performing robotic biomanipulations. © 2014 Elsevier Ltd.
KeywordHysteresis Keywords Feedforward nonlinear Micromanipulator PID Preisach theory Robotic biomanipulations
DOI10.1016/j.rcim.2014.11.006
URLView the original
Language英语
The Source to ArticleScopus
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Cited Times [WOS]:34   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
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GB/T 7714
Tang H.,Li Y.. Feedforward nonlinear PID control of a novel micromanipulator using Preisach hysteresis compensator[J]. Robotics and Computer-Integrated Manufacturing,2015,34:124.
APA Tang H.,&Li Y..(2015).Feedforward nonlinear PID control of a novel micromanipulator using Preisach hysteresis compensator.Robotics and Computer-Integrated Manufacturing,34,124.
MLA Tang H.,et al."Feedforward nonlinear PID control of a novel micromanipulator using Preisach hysteresis compensator".Robotics and Computer-Integrated Manufacturing 34(2015):124.
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