Influence of the velocity on quasi-static deflections of industrial articulated robots
Language
EN
Article de revue
This item was published in
The International Journal of Advanced Manufacturing Technology. 2023-01-03 n° 125, p. 1429–1438
English Abstract
This article presents the measurement and analysis of the influence of velocity on the quasi-static deflections of industrial manipulators of three different manufacturers. Quasi-static deflection refers to the deflection ...Read more >
This article presents the measurement and analysis of the influence of velocity on the quasi-static deflections of industrial manipulators of three different manufacturers. Quasi-static deflection refers to the deflection of the end effector position of articulated robots during movement at low velocity along a predefined trajectory. Based on earlier reported observations by the authors, there exists a difference in the static and quasi-static deflections considering the same points along a trajectory. This work investigates this difference to assess the applicability of robotic compliance calibration at low velocities. For this assessment, the deflections of three industrial articulated robots were measured at different speeds and loads. Considering the similarity among the robot models used in this investigation, this work also elaborates on the potential influence of the measurement procedure on the measured deflections and its implications for the compliance calibration of articulated robots.
For all industrial articulated robots in this investigation, the quasi-static deflections are significantly larger than the static ones but similar in trend. Additionally, the magnitude of the quasi-static deflections presents a proportional relationship to the Cartesian velocity.Read less <
English Keywords
Industrial robot
Contact applications
Quasi-statics
Position error
Compliance
European Project
European Union’s Horizon 2020 research and innovation programme
European Regional Development Fund (FEDER)
European Regional Development Fund (FEDER)
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