Dual bridge angular accelerometer

Details Dual bridge angular accelerometer Dual bridge angular accelerometer

2005-05-24

2005-05-24

Chapman, John E. (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

Response to multiple sensing means or motion conditions

C073S514020, C318S649000, C244S003200

Reexamination Certificate

active

06895817

ABSTRACT:
An accelerometer includes an inertial platform maintaining an attitude in response to a platform stabilizing controller signal and defining a spin axis and a reference plane. An accelerometer, coupled to the inertial platform a distance from the spin axis, defines a flex axis, which is perpendicular to the stability axis. The accelerometer generates an accelerometer signal in response to acceleration of the accelerometer. A second accelerometer defines a second flex axis also perpendicular to the stability axis, and is also coupled to the inertial platform a distance from the spin axis. The second accelerometer generates a second accelerometer signal in response to acceleration of the second accelerometer. A controller, including an angular acceleration signal generator, receives the first accelerometer signal and the second accelerometer signal and generates an angular acceleration signal from a difference in amplitudes between the first accelerometer signal and the second accelerometer signal. The controller further generates the platform stabilizing controller signal in response to the first acceleration signal and the second acceleration signal.

REFERENCES:
patent: 4601206 (1986-07-01), Watson
patent: 5124938 (1992-06-01), Algrain
patent: 5383363 (1995-01-01), Kulmaczewski
patent: 6776043 (2004-08-01), Campbell et al.

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