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Authors: Krystian Erwinski ; Karol Kowalski and Marcin Paprocki

Affiliation: Departament of Automatics and Measurement Systems, Faculty of Physics Astronomy and Informatics, Nicolaus Copernicus University in Torun, Grudziadzka 5, Torun and Poland

Keyword(s): Following Error, Contour Error, Prediction, Narx Neural Network, NURBS, Linear Motor, Feed Drive Model.

Related Ontology Subjects/Areas/Topics: Industrial Engineering ; Informatics in Control, Automation and Robotics ; Nonlinear Signals and Systems ; Real-Time Systems Control ; Signal Processing, Sensors, Systems Modeling and Control ; System Identification ; System Modeling ; Systems Modeling and Simulation

Abstract: In the article a method of predicting contour error using artificial neural network for a bi-axial positioning system is presented. The machine consists of two linear stages with permanent magnet linear motors controlled by servo drives. The drives are controlled from a PC with real-time operating system via EtherCAT fieldbus. A randomly generated Non-Uniform Rational B-Spline (NURBS) trajectory is used to train offline a NARX-type artificial neural network for each axis. These networks allow prediction of following errors and contour errors of the motion trajectory. Experimental results are presented that validate the viability of the neural network based contour error prediction. The presented contour error predictor will be used in predictive control and velocity optimization algorithms of linear motor based CNC machines.

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Paper citation in several formats:
Erwinski, K.; Kowalski, K. and Paprocki, M. (2019). Neural Network Contour Error Prediction of a Bi-axial Linear Motor Positioning System. In Proceedings of the 16th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO; ISBN 978-989-758-380-3; ISSN 2184-2809, SciTePress, pages 802-809. DOI: 10.5220/0007957908020809

@conference{icinco19,
author={Krystian Erwinski. and Karol Kowalski. and Marcin Paprocki.},
title={Neural Network Contour Error Prediction of a Bi-axial Linear Motor Positioning System},
booktitle={Proceedings of the 16th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO},
year={2019},
pages={802-809},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007957908020809},
isbn={978-989-758-380-3},
issn={2184-2809},
}

TY - CONF

JO - Proceedings of the 16th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO
TI - Neural Network Contour Error Prediction of a Bi-axial Linear Motor Positioning System
SN - 978-989-758-380-3
IS - 2184-2809
AU - Erwinski, K.
AU - Kowalski, K.
AU - Paprocki, M.
PY - 2019
SP - 802
EP - 809
DO - 10.5220/0007957908020809
PB - SciTePress