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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.
Instrumentation and Measurement, IEEE Transactions on (Volume:IM-36 , Issue: 4 )
Date of Publication: Dec. 1987