Direct resolver to digital converter

Details Direct resolver to digital converter Direct resolver to digital converter

1997-05-09

1999-06-15

Sheikh, Ayaz R.

Coded data generation or conversion

Phase or time of phase change

Synchro or resolver signal

341115, H03M 148

Patent

active

059126388

ABSTRACT:
A resolver to digital converter wherein the data from the resolver is processed according to octants which provide the most significant three bits indicating shaft position. The sine and cosine values from the resolver are further processed according to the octant with the smaller value being divided by the larger value to derive a tangent value in the range of zero to one. A look up table can then be used to provide a linear position indication from the tangent values which are then added to the octant value to obtain the shaft position indication.

REFERENCES:
patent: 3578959 (1971-05-01), Perkins et al.
patent: 3827045 (1974-07-01), Markus
patent: 3829854 (1974-08-01), Brand et al.
patent: 3908896 (1975-09-01), Monrolin
patent: 4511884 (1985-04-01), Serev et al.
Electronic Analog/Digital Conversions, Hermann Schmid, General Electric Company, Avionic Controls Department, Binghamton, New York, Mar. 1970.

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