Improving Contouring Accuracy in CNC Machines
Compensation and Control
Several approaches are explored and developed to improve the contouring accuracy in CNC machines. A tuning procedure is proposed to tune the gains so as to achieve matched axial dynamics. The contouring accuracy for both linear and circular contours can be significantly improved. For circular contours, the radial errors resulting from the limited bandwidth of the axial dynamics can be further reduced by feedforward compensation. A two-stage stiction compensation scheme is proposed to reduce or eliminate the contour errors caused by stiction. A model-based Taylor series expansion error compensation (TSEEC) approach formulates the contour error…
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Produktdetails
Weitere Autoren: Poo, Aun-Neow / Hong, Geok-Soon
- ISBN: 978-3-8454-4015-6
- EAN: 9783845440156
- Produktnummer: 37792359
- Verlag: LAP Lambert Academic Publishing
- Sprache: Englisch
- Erscheinungsjahr: 2011
- Seitenangabe: 224 S.
- Masse: H22.0 cm x B15.0 cm x D1.3 cm 352 g
- Abbildungen: Paperback
- Gewicht: 352
Über den Autor
Dr Xue-Cheng Xi received BEng and MEng from Nanjing University of Aeronautics and Astronautics, China in 1996 and 1999, respectively, and MEng and PhD from the National University of Singapore in 2004 and 2009, respectively. His research interests include control, mechatronics and CNC. Currently he is a lecturer at Shanghai Jiao Tong University.
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