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Adaptive Structures Technology for Improved Performance of Form Measuring Machines

Campanile , L.F. and Lammering, R. and Melcher , Jörg (1995) Adaptive Structures Technology for Improved Performance of Form Measuring Machines. In: Sixth International Conference on Adaptive Structures, pp. 1-43. Technomic Publishing Co., Inc. "6th International Conference on Adaptive Structures", Key West, USA, November 1995.

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Vibration suppression in form measuring machines constitutes a very promising application of smart structures techniques. A form measuring machine is used in order to check the shape of workpieces and that the prescribed form tolerances are not exceeded. The shape evaluation relies on displacement measurements whose precision ranges from some tens of nanometers to some microns depending on the size and kind of machine. The environment in which the machine operates (typically near the production line) is particularly rich in vibration sources. A relative motion between the probe (the element of the measuring machine which hosts the displacement sensor) and the measured object due to vibrations in the machine results in measurement errors which can easily prejudice the result. In this paper, a ‘smart’ solution to this problem is presented in which the machine’s vibrations are counteracted actively. For this purpose, the machine has to be equipped with a sensing system, an active interface and special controller. This new concept has been successfully tested on a real form measuring machine. In the sensing system, accelerometers were used, while the active interface was realized with piezoelectric elements. The controller was implemented on a fast digital signal processor using modern adaptive filtering techniques. The experimental results are encouraging. The proposed concept represents a decisive step forward in the development of a completely new generation of more efficient, lighter and cheaper form measuring machines.

Item URL in elib:https://elib.dlr.de/16371/
Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1999,
Title:Adaptive Structures Technology for Improved Performance of Form Measuring Machines
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Journal or Publication Title:Sixth International Conference on Adaptive Structures
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 1-43
EditorsEmailEditor's ORCID iD
Breitbach, Craig Rogers Junji Tani Elmar J.UNSPECIFIEDUNSPECIFIED
Publisher:Technomic Publishing Co., Inc
Event Title:"6th International Conference on Adaptive Structures", Key West, USA, November 1995
HGF - Research field:other
HGF - Program Themes:UNSPECIFIED
DLR - Research area:no assignment
DLR - Research theme (Project):UNSPECIFIED
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Institut für Strukturmechanik
Deposited By: Wolff, Sibylle
Deposited On:16 Sep 2005
Last Modified:18 Feb 2011 10:20

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