Gyro slaving/boot strap amplifier

Details Gyro slaving/boot strap amplifier Gyro slaving/boot strap amplifier

1976-04-01

1977-10-11

Dobeck, B.

Electricity: motive power systems

Positional servo systems

Time-sharing or multiplexing systems

318656, 318648, 244175, G05B 1132, G05F 100

Patent

active

040538184

ABSTRACT:
A remote magnetic instrument, such as a compass, and a heading indicator, such as a heading gyro, are time shared in a dual channel gyro slaving amplifier with slaving and boot strap circuitry. The amplifier is a two function electronic device wherein the slaving circuit accepts heading error data from a heading gyro and provides separate channels of amplified information to slave drive the heading gyro. The second function of the amplifier is an electronic boot strap circuit to extract information from the heading gyro to drive a remote magnetic instrument. Each of the two functions shares equal time by operation of a time sharing switch with a timing signal provided from a ripple counter. The amplified information providing during the first function of the amplifier is a slaving signal representing heading correction generated by the slaving circuit responding to a heading error signal from the heading indicator. During the second function, a synchronous filter modulator/demodulator responds to angular position signals from the time sharing switching to provide energizing voltages at a modulating frequency to the remote magnetic instruments.

REFERENCES:
patent: 3888201 (1975-06-01), Zuvela
patent: 3952681 (1976-04-01), Tucker
patent: 3979090 (1976-09-01), Brickner et al.
patent: 3984748 (1976-10-01), Sullivan

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