Resolver to 360.degree. linear analog converter and method

Details Resolver to 360.degree. linear analog converter and method Resolver to 360.degree. linear analog converter and method

1998-11-27

2000-08-15

Young, Brian

Coded data generation or conversion

Phase or time of phase change

Synchro or resolver signal

H03M 164

Patent

active

061043281

ABSTRACT:
The converter produces a linear analog signal that is linearly proportional to a shaft angle of a resolver over 360.degree.. An excitation cosine signal supplied to the resolver and a response cosine signal received from the output windings of the resolver are converted to logic level signals. Digital logic is performed on the logic level signals in a programmable digital logic device to produce a logic level pulse-width modulated signal. The logic level pulse-width modulated signal is used to control a switch to switch between two reference voltage levels to produce a pulse-width modulated signal, which is filtered and buffered to produce the linear analog signal.

REFERENCES:
patent: 4933674 (1990-06-01), Gasperi et al.
patent: 5347277 (1994-09-01), Nondahl

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