Microgravity accelerometer data acquisition system

Details Microgravity accelerometer data acquisition system Microgravity accelerometer data acquisition system

1991-01-02

1993-09-07

Black, Thomas G.

Boots, shoes, and leggings

73514, 73517B, G01C 1956

Patent

active

052435440

ABSTRACT:
Accelerometer apparatus for a space vehicle includes sensors for sensing accelerations on board the vehicle which provide accelerometer input signals. Interface circuits are coupled to receive the accelerometer input signals and attenuate DC bias and remove alias frequencies from the accelerometer input signal while providing a filtered accelerometer signal at an interface output. Coupled to the interface output is a circuit for converting the filtered accelerometer signal to a known frequency pulse output including a charge rebalance digitizer which converts the filtered accelerometer signal to impulse data for each accelerometer axis. The impulse data comprises the time integral of the acceleration data and is representative of total energy of a gravitoinertial disturbance.

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patent: 4522062 (1985-06-01), Peters
patent: 4799385 (1989-01-01), Hulsing
patent: 5050087 (1991-09-01), Walrath et al.

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