Self-balancing instrument

Details Self-balancing instrument Self-balancing instrument

1974-09-26

1976-02-17

Schaefer, Robert K.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318631, 318666, 318667, 318678, 324 99R, G01R 1706, G05F 100, G05B 602

Patent

active

039393887

ABSTRACT:
A multi-range, self-balancing instrument using a Zener diode circuit and a phase compensating circuit is disclosed. The Zener diode circuit is capable of generating a white noise, which is effectively applied to the self-balancing system whereby the dead zone is maintained constant irrespective of the range. The phase compensating circuit, comprising a non-inverting input amplifier, is capable of compensating for the phase lag of the self-balancing instrument by adjusting the amplification factor of the amplifier without affecting the stability of the servo amplifier system.

REFERENCES:
patent: 3359472 (1967-12-01), Frank et al.
patent: 3602792 (1971-08-01), Engle
patent: 3697871 (1972-10-01), MacMullan

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