Bidirectional self balancing bridge

Details Bidirectional self balancing bridge Bidirectional self balancing bridge

1977-04-27

1978-09-05

Dobeck, B.

Electricity: motive power systems

Positional servo systems

With particular motor control system responsive to the...

318663, 318678, G05B 106

Patent

active

041123433

ABSTRACT:
The disclosed system includes a direct-current bridge circuit and a bridge-balancing reversible motor coupled to the bridge circuit, together with a differential high-gain amplifier which is responsive to even slight bridge unbalance to polarize the motor for rotation in the direction toward rebalance of the bridge circuit and also interrupts the motor operation when balance of the bridge is passed in either direction. Apparatus is included responsive to both positive and negative reversals in the polarity of unbalance of the bridge for deenergizing the motor when the null of the bridge is crossed in either direction.

REFERENCES:
patent: 2846630 (1958-08-01), Boyle et al.
patent: 3297923 (1967-01-01), Schneider et al.
patent: 3327187 (1967-06-01), Schneider et al.
patent: 3496384 (1970-02-01), Wright et al.
patent: 3667024 (1972-05-01), Deming
patent: 3742327 (1973-06-01), Nettles
patent: 3935524 (1976-01-01), Cap et al.

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