Circuit for measuring the rate of synchro rotation

Details Circuit for measuring the rate of synchro rotation Circuit for measuring the rate of synchro rotation

G - Physics

01

P

354/32

G01P 3/44 (2006.01) G01P 3/62 (2006.01) G06G 7/22 (2006.01)

Patent

CA 1057853

CIRCUIT FOR MEASURING THE RATE OF SYNCHRO ROTATION ABSTRACT OF THE DISCLOSURE Utilizing a three-wire input from a synchro, a signal representing the rate of rotation of the synchro shaft is generated by means of: summing amplifiers to generate signals representing the cosine of the shaft angle and the sine of the shaft angle; a circuit for generating a signal representing the tangent of the shaft angle; a circuit for generating the signal representing the cotangent of the shaft angle; feedback circuits for linearizing both the tangent and cotangent signals; a differentiator circuit for differentiating the tangent signal; a differentiator circuit for differentiating the cotangent signal; and a switching circuit for selecting the rate output from the differen- tiator with a linear output. -1-

239967

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