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Discrete-Time integral terminal sliding mode control of a precision micro-motion system
Xu Q.
Conference NameInternational Workshop on Recent Advances in Sliding Modes
Source Publication2015 International Workshop on Recent Advances in Sliding Modes, RASM 2015
Conference DateAPR 09-11, 2015
Conference PlaceISTANBUL, TURKEY

This paper reported on the design process of a novel discrete-time integral terminal sliding mode control (DITSMC) scheme and its implementation on a precision micro-motion system, which is driven by piezoelectric actuators. By considering the piezoelectric nonlinearities in terms of hysteresis and drift effects as a lumped disturbance, a robust DITSMC scheme is devised and its stability is proved. The proposed digital control strategy is developed based on the system's output feedback alone, whereas the knowledge on system states is not needed. Hence, it is easy to realize for rapid prototyping application. Comparative experimental investigations show that the designed DITSMC controller is superior to conventional PID controller in motion tracking task. Moreover, the presented control can be easily extended to other precision motion systems as well.

KeywordIntegral Sliding Mode Nanopositioning Control Precision Motion Control Quasi-sliding Mode Control Terminal Sliding Mode
URLView the original
WOS Research AreaAutomation & Control Systems ; Engineering
WOS SubjectAutomation & Control Systems ; Engineering, Electrical & Electronic
WOS IDWOS:000380509600015
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Document TypeConference paper
AffiliationUniversidade de Macau
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GB/T 7714
Xu Q.. Discrete-Time integral terminal sliding mode control of a precision micro-motion system[C],2015.
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