In this paper a new identification method to obtain the friction parameters in the joints of robotic manipulators is presented. These parameters are coulomb friction, static friction, Stribeck velocity constant and viscous damping coefficient. The available methods to find these parameters either require the design of a controller or the precise value of system parameters such as mass moment of inertia. In contrast, the new method proposed here finds these parameters by a nonlinear optimization approach which requires neither any knowledge of system’s parameters nor any controller design. The corresponding nonlinear optimization problem is solved using an efficient technique which does not require iteration or any initial estimate of optimization parameters. The new method proposed in this paper was experimentally verified on a robotic manipulator available in the robotics laboratory at the University of Saskatchewan.
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ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 15–18, 2010
Montreal, Quebec, Canada
Conference Sponsors:
- Design Engineering Division and Computers in Engineering Division
ISBN:
978-0-7918-4410-6
PROCEEDINGS PAPER
Parameter Identification of a Friction Model for Robotic Joints Available to Purchase
Mohammad Vakil,
Mohammad Vakil
University of Saskatchewan, Saskatoon, SK, Canada
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Reza Fotouhi,
Reza Fotouhi
University of Saskatchewan, Saskatoon, SK, Canada
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Peter N. Nikiforuk
Peter N. Nikiforuk
University of Saskatchewan, Saskatoon, SK, Canada
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Mohammad Vakil
University of Saskatchewan, Saskatoon, SK, Canada
Reza Fotouhi
University of Saskatchewan, Saskatoon, SK, Canada
Peter N. Nikiforuk
University of Saskatchewan, Saskatoon, SK, Canada
Paper No:
DETC2010-29141, pp. 1635-1642; 8 pages
Published Online:
March 8, 2011
Citation
Vakil, M, Fotouhi, R, & Nikiforuk, PN. "Parameter Identification of a Friction Model for Robotic Joints." Proceedings of the ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 2: 34th Annual Mechanisms and Robotics Conference, Parts A and B. Montreal, Quebec, Canada. August 15–18, 2010. pp. 1635-1642. ASME. https://doi.org/10.1115/DETC2010-29141
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