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Adaptive iterative learning control combined with discrete-time sliding mode control for piezoelectric nanopositioning
Zhang Y.; Xu Q.
2016-08-26
Conference Name35th Chinese Control Conference (CCC)
Source PublicationChinese Control Conference, CCC
Volume2016-August
Pages6080-6085
Conference DateJUL 27-29, 2016
Conference PlaceChengdu, PEOPLES R CHINA
Abstract

In this paper, an innovative controller is proposed to compensate for both the nonlinear hysteresis and the vibration dynamics effects of a nanopositioning stage driven by piezoelectric actuators. With the increasing of operating bandwidth and range, large positioning errors are produced because of the hysteresis, vibration, external disturbance and noise, as well as uncompleted modeled dynamic errors. The main contribution of this work is that an adaptive approach based on iterative learning control (ILC) combined with discrete-time variable structure control is proposed for the disturbance estimation and disturbance rejection. The discrete-time sliding mode controller is applied to corporate with ILC, which is effective to compensate for nonrepeating disturbance. In addition, the proposed control algorithm is applied to experimentally validate the effectiveness of enhancing the performance in positioning control of a nanopositioning stage.

KeywordDiscrete-time Sliding Mode Control Feedback Control Hysteresis Iterative Learning Control Nanopositioning Stage Piezoelectric Actuators
DOI10.1109/ChiCC.2016.7554311
URLView the original
Indexed BySCI
WOS Research AreaAutomation & Control Systems
WOS SubjectAutomation & Control Systems
WOS IDWOS:000400282202083
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Citation statistics
Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionDEPARTMENT OF ELECTROMECHANICAL ENGINEERING
AffiliationUniversidade de Macau
Recommended Citation
GB/T 7714
Zhang Y.,Xu Q.. Adaptive iterative learning control combined with discrete-time sliding mode control for piezoelectric nanopositioning[C],2016:6080-6085.
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