Velocity detecting apparatus having a two-phase resolver

Details Velocity detecting apparatus having a two-phase resolver Velocity detecting apparatus having a two-phase resolver

1982-03-30

1984-11-06

Krawczewicz, Stanley T.

Electricity: measuring and testing

Electrical speed measuring

Including speed analog electrical signal generator

324165, G01P 346, G01P 1300, G01P 352

Patent

active

044814682

ABSTRACT:
A velocity detecting apparatus using a resolver, and more specifically, a two-phase resolver which rotor is connected to a rotary drive means such as a motor, a source for exciting the primary windings of the resolver, a wave shaper which produces a square wave of the same period and phase as the output signal produced by the secondary windings of the resolver, a phase discriminator which rectifies the output signal of the wave shaper, a low pass filter for producing a triangular wave from the output signal of the phase discriminator and a circuit for producing a signal corresponding to the absolute value of the slope of the triangular wave.

REFERENCES:
patent: 3811091 (1974-05-01), Ha
patent: 3819268 (1974-06-01), Johnson
patent: 4088943 (1978-05-01), Schmidt
patent: 4228396 (1980-10-01), Palombo

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