Non-oscillating torque control apparatus

Details Non-oscillating torque control apparatus Non-oscillating torque control apparatus

1976-10-18

1977-11-22

Schaefer, Robert K.

Electricity: motive power systems

Torquing motors

318436, G05B 1700, H02P 700

Patent

active

040597903

ABSTRACT:
An apparatus is disclosed for generating a non-oscillating torque wherein a magnetic induction torquer having a first coil for clockwise torque and a second coil for counter-clockwise torque is utilized. The coils are selectively driven from a constant current source by way of an assembly of switches and associated precision dummy load impedances. A control circuit is driven by a torque command signal and a clock signal to selectively apply a plurality of control signals to the assembly of switches to cause current pulses to be directed to the appropriate coil or coils of the torquer in order to produce the commanded torque with no oscillating component in the resultant torque.

REFERENCES:
patent: 3337754 (1967-08-01), Hughes
patent: 3354366 (1967-11-01), Landy, Jr. et al.
patent: 3403316 (1968-09-01), Conant, Jr.
patent: 3512069 (1970-05-01), Hughes

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