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Piezoelectric positioning control with outputbased discrete-time terminal sliding mode control
Xu Q.2; Cao Z.1
2017-03-17
Source PublicationIET Control Theory and Applications
ISSN17518652 17518644
Volume11Issue:5Pages:694-702
AbstractNanopositioning systems with piezoelectric actuation have found extensively applications in micro-/nanomanipulation domain. This paper reports on the design, realisation and testing of a new output-based discrete-time terminal sliding mode control (DTSMC) scheme, which is applied to achieve precision motion control of a piezoelectric nanopositioning system by overcoming the unmolded non-linearity and disturbance. The controller is easy to implement because it does not require a hysteresis model and a state observer. It is able to deliver a precise tracking without chattering phenomenon. The stability of the control system is proved and the effectiveness of the control scheme is demonstrated through experimental studies. Results show that the non-linear DTSMC robust control is superior to the conventional linear discrete-time sliding-mode control in motion tracking application. The DTSMC enables the generation of a larger bandwidth than the conventional approaches. Moreover, the DTSMC endows the system a well robustness feature in the presence of model uncertainty and external disturbances.
DOI10.1049/iet-cta.2016.0956
URLView the original
Language英語
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被引频次[WOS]:6   [WOS记录]     [WOS相关记录]
Document TypeJournal article
专题University of Macau
Affiliation1.Swinburne University of Technology
2.Universidade de Macau
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Xu Q.,Cao Z.. Piezoelectric positioning control with outputbased discrete-time terminal sliding mode control[J]. IET Control Theory and Applications,2017,11(5):694-702.
APA Xu Q.,&Cao Z..(2017).Piezoelectric positioning control with outputbased discrete-time terminal sliding mode control.IET Control Theory and Applications,11(5),694-702.
MLA Xu Q.,et al."Piezoelectric positioning control with outputbased discrete-time terminal sliding mode control".IET Control Theory and Applications 11.5(2017):694-702.
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