IAES International Journal of Robotics and Automation (IJRA)
Vol 10, No 3: September 2021

New time delay estimation-based virtual decomposition control for n-DoF robot manipulator

Hachmia Faqihi (Mohammed V University)
Khalid Benjelloun (Mohammed V University)
Maarouf Saad (Ecole de Technologie Suprieure, Montreal, Canada)
Mohammed Benbrahim (Sidi Mohamed Ben Abdellah University)
M. Nabil Kabbaj (Sidi Mohamed Ben Abdellah University)



Article Info

Publish Date
01 Sep 2021

Abstract

One of the most efficient approaches to control a multiple degree-of-freedom robot manipulator is the virtual decomposition control (VDC). However, the use of the re- gressor technique in the conventionnal VDC to estimate the unknown and uncertaities parameters present some limitations. In this paper, a new control strategy of n-DoF robot manipulator, refering to reorganizing the equation of the VDC using the time delay estimation (TDE) have been investigated. In the proposed controller, the VDC equations are rearranged using the TDE for unknown dynamic estimations. Hence, the decoupling dynamic model for the manipulator is established. The stability of the overall system is proved based on Lyapunov theory. The effectiveness of the proposed controller is proved via case study performed on 7-DoF robot manipulator and com- pared to the conventionnal Regressor-based VDC according to some evalution criteria. The results carry out the validity and efficiency of the proposed time delay estimation- based virtual decomposition controller (TD-VDC) approach.

Copyrights © 2021






Journal Info

Abbrev

IJRA

Publisher

Subject

Automotive Engineering Electrical & Electronics Engineering

Description

Robots are becoming part of people's everyday social lives and will increasingly become so. In future years, robots may become caretaker assistants for the elderly, or academic tutors for our children, or medical assistants, day care assistants, or psychological counselors. Robots may become our ...