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Real‐time solving of dynamic problem in industrial robots


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Title: Real‐time solving of dynamic problem in industrial robots
Authors : Rosillo Guerrero, Nuria
Valera, Ángel
Benimeli, Francesc
Mata, Vicente
Valero, Francisco
Keywords: RobóticaRoboticsTeoría de controlControl theoryTeoría de autómatas matemáticosMachine theoryAlgoritmoAlgorithmsRobot industrialIndustrial robots
Publisher: Emerald
Citation: Rosillo, N., Valera, A., Benimeli, F., Mata, V. & Valero, F. (2011). Real‐time solving of dynamic problem in industrial robots. Industrial Robot, vol. 38, i. 2 (mar.), pp. 119-129. DOI: https://doi.org/10.1108/01439911111106336
Abstract: Purpose: The purpose of this paper is to present the development and validation of a methodology which allows modeling and solving the inverse and direct dynamic problem in real time in robot manipulators. Design/methodology/approach: The robot dynamic equation is based on the Gibbs‐Appell equation of motion, yielding a well‐structured set of equations that can be computed in real time. This paper deals with the implementation and calculation of the inverse and direct dynamic problem in robots, with an application to the real‐time control of a PUMA 560 industrial robot provided with an open control architecture based on an industrial personal computer. Findings: The experimental results show the validity of the dynamic model and that the proposed resolution method for the dynamic problem in real time is suitable for control purposes. Research limitations/implications: The accuracy of the applied friction model determines the accuracy of the identified overall model and consequently of the control. This is especially obvious in the case of the PUMA 560 robot, in which the presence of friction is remarkable in some of their joints. Hence, future work should focus on identifying a more precise friction model. The robot model could also be extended by incorporating rotor dynamics and could be applied for different robot configurations as parallel robots. Originality/value: Gibbs‐Appell equations are used in order to develop the robotic manipulator dynamic model, instead of more usual dynamics formulations, due to several advantages that these exhibit. The obtained non‐physical identified parameters are adapted in order to enable their use in a control algorithm.
Description: Este recurso no está disponible en acceso abierto por política de la editorial.
URI: http://hdl.handle.net/10637/15224
Rights : http://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
ISSN: 0143-991X
Issue Date: 8-Mar-2011
Center : Universidad Cardenal Herrera-CEU
Appears in Collections:Dpto. Matemáticas, Física y Ciencias Tecnológicas





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