Servo amplifier for an electrically damped accelerometer

Details Servo amplifier for an electrically damped accelerometer Servo amplifier for an electrically damped accelerometer

1978-05-11

1979-03-20

Gill, James J.

Measuring and testing

Speed, velocity, or acceleration

Temperature compensator

73517B, 318615, 318651, G01P 1508

Patent

active

041447646

ABSTRACT:
A servo amplifier system for an accelerometer includes a torque coil. A torque coil is included in the output circuit of a first amplifier. A position sensor circuit develops a signal corresponding to the position of the coil which is applied to the input circuit of the first amplifier. An element, which may be a resistor, senses the current through to the coil and produces a voltage which is applied to a second amplifier having a low impedance output circuit. The output signal from the second amplifier is fed back to the input circuit of the first amplifier. Means are associated with the second amplifier to comply with the scaling and bandwidth requirements of the system.

REFERENCES:
patent: 3030814 (1962-04-01), Ainsworth
patent: 3708754 (1973-01-01), Diehl

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