Three-axis accelerometer having dynamic bias compensation

Details Three-axis accelerometer having dynamic bias compensation Three-axis accelerometer having dynamic bias compensation

1981-08-13

1983-02-08

Gill, James J.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

318651, G01P 15125

Patent

active

043721621

ABSTRACT:
A proof mass for an accelerometer is electromagnetically constrained in three orthogonal directions. An array of filaments forms an elastic suspension for the proof mass to constrain it in the remaining degrees of freedom. The resulting instrument has the potential for low cost and high-accuracy operation over a wide temperature range without the use of temperature controls. Means are provided in the accelerometer for dynamically nulling the bias.

REFERENCES:
patent: 3339419 (1967-09-01), Wilcox
patent: 3797321 (1974-03-01), Morris
patent: 4336718 (1982-06-01), Washburn

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