Publication detail

Design of the controller for elimination of self- excited oscillations

VETIŠKA, J. HOUŠKA, P. BŘEZINA, T. BLECHA, P.

Original Title

Design of the controller for elimination of self- excited oscillations

Type

conference paper

Language

English

Original Abstract

The article deals with design of the controller for elimination of self- excited oscillations during machining. These oscillations are generated between a cutting tool and a work-piece surface and lead to decreased quality of the ma- chined surface as well as decreased geometrical precision. The secondary effect is increased level of noise emissions. In general, the self-excited oscillations nega- tively affect the working productivity of metal cutting machines and inhibit its growth. The design of the controller is based on a model of the cutting process which works with so-called regenerative principle of the self-excited oscillations generation and is based on the variable chip thickness. The model itself serves to derivation of the controller gains. A piezoelectric compensator of the cutting force is controlled by the designed PSD controller. The compensator changes the posi- tion of the tool against the machined surface thereby changing the chip thickness.

Keywords

self- excited oscillations

Authors

VETIŠKA, J.; HOUŠKA, P.; BŘEZINA, T.; BLECHA, P.

RIV year

2009

Released

1. 11. 2009

Publisher

Springer-Verlag Berlin Heidelberg

Location

Berlin

ISBN

978-3-642-05021-3

Book

Recent advances in Mechatronics 2008-2009

Edition number

1

Pages from

395

Pages to

400

Pages count

6

BibTex

@inproceedings{BUT29570,
  author="Jan {Vetiška} and Pavel {Houška} and Tomáš {Březina} and Petr {Blecha}",
  title="Design of the controller for elimination of self- excited oscillations",
  booktitle="Recent advances in Mechatronics 2008-2009",
  year="2009",
  number="1",
  pages="395--400",
  publisher="Springer-Verlag Berlin Heidelberg",
  address="Berlin",
  isbn="978-3-642-05021-3"
}