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Piezoelectric positioning control with output-based discrete-time terminal sliding mode control
Xu, Qingsong1; Cao, Zhenwei2

Nanopositioning 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.

KeywordPiezoelectric Actuators Discrete Time Systems Variable Structure Systems Nanopositioning Micropositioning Motion Control Robust Control Nonlinear Control Systems Uncertain Systems External Disturbances Model Uncertainty Robustness Feature Motion Tracking Application Conventional Linear Discrete-time Sliding-mode Control Nonlinear Dtsmc Robust Control Stability Precision Motion Control Micro-nanomanipulation Domain Piezoelectric Actuation Nanopositioning Systems Output-based Discrete-time Terminal Sliding Mode Control Piezoelectric Positioning Control
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Indexed BySCI
WOS Research AreaAutomation & Control Systems ; Engineering ; Instruments & Instrumentation
WOS SubjectAutomation & Control Systems ; Engineering, Electrical & Electronic ; Instruments & Instrumentation
WOS IDWOS:000395575200010
The Source to ArticleWOS
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Cited Times [WOS]:6   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
Affiliation1.University of Macau, People's Republic of China
2.Swinburne University of Technology, Australia
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Xu, Qingsong,Cao, Zhenwei. Piezoelectric positioning control with output-based discrete-time terminal sliding mode control[J]. IET CONTROL THEORY AND APPLICATIONS,2017,11(5):694-702.
APA Xu, Qingsong,&Cao, Zhenwei.(2017).Piezoelectric positioning control with output-based discrete-time terminal sliding mode control.IET CONTROL THEORY AND APPLICATIONS,11(5),694-702.
MLA Xu, Qingsong,et al."Piezoelectric positioning control with output-based discrete-time terminal sliding mode control".IET CONTROL THEORY AND APPLICATIONS 11.5(2017):694-702.
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