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Calibration of linear displacement sensors for micromotion studies

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2 Author(s)
DiSilvestro, M. ; Johnson & Johnson Co., Warsaw, IN, USA ; Dietz, T.

This paper describes a calibration method for linear displacement sensors that includes quantifiable errors on the order of 1 μm, and that has been adopted in an effort to ensure accurate measurements of micromotion within orthopaedic implants during simulated use. This method results in a calibrated linear displacement sensor system with known quantifiable error. For the components used in this study, this error is on the order of 1 μm. It is suggested that this or a similar method be used for calibration of linear displacement sensors to be used to measure micromotion of orthopaedic implants to ensure accuracy and reliability of data and interpreted results.

Published in:

Sensors for Industry Conference, 2004. Proceedings the ISA/IEEE

Date of Conference:

2004