A new algorithm for gravity compensation of a 3-UPU parallel manipulator

Banitalebi Dehkordi, M. ORCID: https://orcid.org/0000-0002-3205-6637, Frisoli, A., Sotgiu, E. and Bergamasco, M. 2013. A new algorithm for gravity compensation of a 3-UPU parallel manipulator. Presented at: 19th CISM-IFToMM RoManSy Symposium (ROMANSY2012), Paris, France, 12-14 June 2012. Published in: Padois, Vincent, Bidaud, Philippe and Khatib, Oussama eds. Romansy 19 – Robot Design, Dynamics and Control: Proceedings of the 19th CISM-Iftomm Symposium. CISM International Centre for Mechanical Sciences. CISM International Centre for Mechanical Sciences Springer, Vienna, pp. 117-124. 10.1007/978-3-7091-1379-0_15

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Abstract

This paper presents a new approach for gravity compensation of a 3-UPU parallel manipulator. The conventional method of computing the effect of gravity force on the end-effector works properly for serial manipulators. However, employing Newton-Euler approach for the parallel robots is computationally expensive and it cannot satisfy the requirements in this work. In order to overcome this difficulty, the new algorithm based on Lagrengian method is proposed. This model is established based on total potential energy of the system as a scalar value and, the position of the end-effector. This paper presents this new algorithm which is more efficient in sense of computation and more proper for Real-Time purposes in parallel robots.

Item Type:	Conference or Workshop Item (Paper)
Status:	Published
Schools:	Engineering
Publisher:	Springer, Vienna
ISBN:	9783709113783
ISSN:	0254-1971
Last Modified:	11 Mar 2023 02:16
URI:	https://orca.cardiff.ac.uk/id/eprint/139639

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