Event-Triggered Control for a Three DoF Manipulator Robot

  • Saul Enrique Benitez-Garcia Instituto Politécnico Nacional
  • Miguel Gabriel Villarreal-Cervantes Instituto Politécnico Nacional
Keywords: Control disparado por eventos, Robot manipulador, Función de Control de Lyapunov, Función de evento

Abstract

In the classical approach of Time-Triggered Control (TTC),  the control signal is updated  at  each  sampling  time  as  well  as  the  system  states  to  be  controlled,  which could imply a redundancy in the computational calculation as well as in the transfer of information in the regulation objective. On the other hand, the Event-Triggered Control (ETC) approach performs the same task in an asynchronous way, i.e,, it only updates the control signal when a performance requirement is violated and the states are updated at each sampling time. This reduces the amount of computational calculation without affecting the performance of the closed loop system. For this reason, in the present work the ETC is developed for the stabilization of a manipulator robot with three Degree of Freedom (DoF) in the joint space where a Lyapunov Control Function (LCF) is proposed to formulate the event function (e¯), which indicates whether or not  is required  the  control  signal  updating.  Simulation results show the reduction of the updates compared with a TTC.

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Published
2018-12-21
How to Cite
Benitez-Garcia, S., & Villarreal-Cervantes, M. (2018). Event-Triggered Control for a Three DoF Manipulator Robot. Enfoque UTE, 9(4), pp. 33 - 44. https://doi.org/https://doi.org/10.29019/enfoqueute.v9n4.396
Section
Automation and Control, Mechatronics, Electromechanics, Automotive