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A Novel Nonlinear Super-Twisting <span class="MathJax_Preview">\mathscr{L}_1</span><script type="math/tex">\mathscr{L}_1</script> Adaptive Control for PKMs: From Design to Real-Time Experiments | IEEE Conference Publication | IEEE Xplore

A Novel Nonlinear Super-Twisting \mathscr{L}_1 Adaptive Control for PKMs: From Design to Real-Time Experiments


Abstract:

This paper deals with robust-adaptive control of Parallel Kinematic Manipulators (PKMs), where a novel super-twisting \mathscr{L}_1 adaptive controller is proposed. The...Show More

Abstract:

This paper deals with robust-adaptive control of Parallel Kinematic Manipulators (PKMs), where a novel super-twisting \mathscr{L}_1 adaptive controller is proposed. The objective is to increase the robustness towards uncertainties as well as external disturbances of the standard \mathscr{L}_1 adaptive controller, by incorporating a robust super-twisting term. The proposed controller as well as the original \mathscr{L}_1 adaptive controller, are detailed for robot manipulators. Next, the experimental testbed is described, along with some implementation issues on FOEHN parallel robot. The proposed control scheme is compared with some existing literature controllers in two experimental scenarios, highlighting notable improvements in tracking performance reaching up to 75% with respect to the standard \mathscr{L}_1 adaptive controller.
Date of Conference: 25-28 June 2024
Date Added to IEEE Xplore: 24 July 2024
ISBN Information:
Conference Location: Stockholm, Sweden

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