Trajectory Tracking Control of UR5 Robot: A PD with Gravity Compensation and Sliding Mode Control Comparison

Jhon Charaja, Emanuel Munoz-Panduro, Oscar E. Ramos, Ruth Canahuire

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

6 Scopus citations

Abstract

Good trajectory tracking and fast convergence are critical characteristics on medical and industrial applications. This behavior must be ensured despite the presence of disturbances to successfully complete the task. This work presents the design and robustness comparison of two control approaches computationally implemented on UR5 robot for trajectory tracking. The control methods that will be compared are proportional-derivative control with gravity compensation and sliding mode control. Both control methods will be designed to ensure stability and good tracking of circular helicoidal trajectory on the operational space. In order to evaluate the robustness of both control methods, a controlled white-noise signal will be added to robot model. The obtained results indicate that sliding mode control deals better with external disturbances than proportional-derivative control with gravity compensation.

Original languageEnglish
Title of host publication2020 International Conference on Control, Automation and Diagnosis, ICCAD 2020 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728169996
DOIs
StatePublished - Oct 2020
Event4th International Conference on Control, Automation and Diagnosis, ICCAD 2020 - Paris, France
Duration: 7 Oct 20209 Oct 2020

Publication series

Name2020 International Conference on Control, Automation and Diagnosis, ICCAD 2020 - Proceedings

Conference

Conference4th International Conference on Control, Automation and Diagnosis, ICCAD 2020
Country/TerritoryFrance
CityParis
Period7/10/209/10/20

Keywords

  • PD with gravity compensation
  • manipulator robot
  • sliding mode control
  • trajectory tracking

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