Implementation of a fast tool servo with repetitive control for diamond turning

The integration of a fast tool servo (FTS) with piezoelectric actuation on a diamond turning machine (DTM) is presented. The intent of this research is to monitor improvements in surface quality in the areas of surface roughness and waviness observed in the facing of an aluminum work piece. Performa...

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Bibliographic Details
Published in:Mechatronics (Oxford) 2003-04, Vol.13 (3), p.243-257
Main Authors: Crudele, Marc, Kurfess, Thomas R.
Format: Article
Language:English
Subjects:
Applied sciences
Computer science
control theory
systems
Control system synthesis
Control theory. Systems
Exact sciences and technology
Mechanical engineering. Machine design
Precision engineering, watch making
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Summary:The integration of a fast tool servo (FTS) with piezoelectric actuation on a diamond turning machine (DTM) is presented. The intent of this research is to monitor improvements in surface quality in the areas of surface roughness and waviness observed in the facing of an aluminum work piece. Performance is compared between the utilization of a polynomial controller with position feedback of the tool, a repetitive controller that uses position feedback of the tool in conjunction with position feedback of the spindle face via and eddy current probe, and legacy performance of the DTM with no active control methodology.
ISSN:0957-4158
1873-4006
DOI:10.1016/S0957-4158(01)00036-8