Digital system for detecting angular position

Details Digital system for detecting angular position Digital system for detecting angular position

1995-06-28

1997-06-10

Snow, Walter E.

Electricity: measuring and testing

Magnetic

Displacement

32420716, 340661, G01B 730, G01R 3300, G05B 106

Patent

active

056379986

ABSTRACT:
The present invention relates to a digital angle detection system, or more particularly, to provide a digital angle output that is stable and the least affected by a cable length or the like. A digital angle detection system of the present invention uses a phase signal [sin(.omega. t-90.degree.-.theta.)] produced by synthesizing a phase-shifted resolver signal cos.theta..multidot.sin(.omega. t-90.degree.), which is 90.degree. out of phase with one resolver signal cos.theta..multidot.sin.omega. t, with the other resolver signal sin.theta..multidot.sin.omega. t.

REFERENCES:
patent: 4475105 (1984-10-01), Kurosawa
patent: 4527120 (1985-07-01), Kurosawa

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