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Chattering Free Trajectory Tracking Control of a Robotic Manipulator Using High Order Sliding Mode

  • Ankur GoelEmail author
  • Akhilesh Swarup
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 553)

Abstract

This paper proposes a novel chattering free, finite-time convergent, robust high order super-twisting sliding mode controller for trajectory tracking of a robotic manipulator in presence of unknown structured uncertainties, parametric uncertainties and time varying external disturbances. The control method is designed using homogeneous sliding manifold and super-twisting sliding mode control (STC). Next, unmeasured states are estimated by a robust exact differentiator. The stability of the proposed controller is analyzed by Lyapunov stability theory and its efficacy is examined by performing simulations on 2-DoF planar robot manipulator system in presence of inertial uncertainty and external disturbances. The proposed controller judiciously eliminates the chattering and successfully overcomes the effect of external disturbances and inertia uncertainty.

Keywords

Finite-time stability High order sliding mode control Robotic manipulator Super-twisting algorithm Uncertainty 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2017

Authors and Affiliations

  1. 1.National Institute of TechnologyKurukshetraIndia

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