The Incremental Motion Encoder: A New Approach to High-Speed Monitoring of Rotating Shafts

It is well known that the angular position of a rotating shaft can be measured using an incremental shaft encoder. The incremental motion encoder (IME) is an innovative development in which 2 or more further read heads are added to the shaft encoder and the passing of every grating line at each read...

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Bibliographic Details
Published in:Measurement and control (London) 2000-03, Vol.33 (2), p.49-51
Main Authors: Poliakoff, Janet F., Thomas, Peter D., Orton, Paul A., Sackfield, Anthony
Format: Article
Language:English
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Summary:It is well known that the angular position of a rotating shaft can be measured using an incremental shaft encoder. The incremental motion encoder (IME) is an innovative development in which 2 or more further read heads are added to the shaft encoder and the passing of every grating line at each read head is detected. Thus, the IME is able to resolve and measure the horizontal and vertical motion of the shaft as well as improving the measurement of angular position. Describes the principles of the IME and reports on analysis of the interpolation method used. Recently, research has shown that it is possible to monitor bearing condition using an IME. (Abstract quotes from original text)
ISSN:0020-2940
DOI:10.1177/002029400003300206