Contour error pre-compensation for five-axis high speed machining: offline gain adjustment approach

Abstract : This paper presents an Off-line Gain Adjustment (OGA) approach to reduce contour error in 5-axis high speed machining. The proposed contour error formulation is based on the estimation of tool contact points and the OGA is inspired from the idea of Model Predictive Control (MPC). The control gains used in the position loop of servo drives are optimally adjusted off-line to reduce the contour error for the considered trajectory. The obtained gain profiles are computed preserving axis kinematic limitations, stability criterion of servo drives and the motor current constraints. The OGA is developed thanks to a validated machine simulator. The simulation results prove that the OGA reduces significantly the contour error in 5-axis high speed machining.
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International Journal of Advanced Manufacturing Technology, Springer Verlag, 2018, 〈10.1007/s00170-018-2859-z〉
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Soumis le : mardi 30 octobre 2018 - 10:33:52
Dernière modification le : lundi 26 novembre 2018 - 17:01:55

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Tan-Quang Duong, Pedro Rodriguez-Ayerbe, Sylvain Lavernhe, Christophe Tournier, Didier Dumur. Contour error pre-compensation for five-axis high speed machining: offline gain adjustment approach. International Journal of Advanced Manufacturing Technology, Springer Verlag, 2018, 〈10.1007/s00170-018-2859-z〉. 〈hal-01908400〉

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