Cable-Driven Parallel Robots (CDPRs) form a class of robots well-adapted to large workspaces since they replace rigid links by cables. However, they lack in positioning accuracy. In a previous work, a control law has been proposed to enable a CDPR to perform a profile-following task, based on the data measured by two different and redundant sensors that are fused using the Gradient Projection Method (GPM). However, its robustness had not been assessed yet. This paper analyzes the stability of such a control law in function of the systematic errors on the parameters of the system. Numerical simulations show that the characteristics of the system ensure the stability of the control law in the robot workspace even in the presence of significant errors, provided the initial angle between the surface to follow and the moving-platform is smaller than 11 \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$^{\circ }$$\end{document}.


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    Title :

    Stability Analysis of Profile Following by a CDPR Using Distance and Vision Sensors


    Additional title:

    Mechan. Machine Science



    Conference:

    International Conference on Cable-Driven Parallel Robots ; 2023 ; Nantes, France June 25, 2023 - June 28, 2023


    Published in:

    Cable-Driven Parallel Robots ; Chapter : 18 ; 221-233


    Publication date :

    2023-06-03


    Size :

    13 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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