Position measurement device based on two-dimensional pseudo-random code
A pseudo-random coding and measuring device technology, which is applied in the field of position measuring devices based on two-dimensional pseudo-random coding, can solve the problems of unusable incremental track, unable to change error codes, etc.
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[0101] The present invention adopts the measurement coding scale structure based on the two-dimensional pseudo-random coding method, and introduces the position representation and coding method of the measurement dimension coding and the error-tolerant dimension coding. Compared with the traditional position measurement method, it has greater application flexibility and fault tolerance, and has It has the characteristics of good scalability, simple structure and strong anti-interference ability.
[0102] The invention provides a position measuring device based on two-dimensional pseudo-random coding, comprising:
[0103] The measurement coding scale B is composed of several non-magnetic coding elements Ba and two kinds of magnetic coding elements with different diameters and the same material, Bb and Bc, which are interleaved and coaxially connected, and the directly smaller magnetic coding element is called measurement The magnetically permeable encoding element Bb has the sa...
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Abstract
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