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Absolute-type position transducers using a pseudorandom encoding

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1 Author(s)
Petriu, E.M. ; Department of Electrical Engineering, University of Ottawa, Ottawa, Ont., KIN 6N5, Canada

This paper describes an application of pseudorandom sequences to the encoding of absolute-type position transducers. A notable reduction in code-track number, and implicitly in the manufacturing complexity of the encoded disk, is achieved in this way. An absolute 360-position shaft encoder illustrates the features of the pseudorandom encoding technique that is described.

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Instrumentation and Measurement, IEEE Transactions on  (Volume:IM-36 ,  Issue: 4 )