Angular and linear flexure plate accelerometer

Details Angular and linear flexure plate accelerometer Angular and linear flexure plate accelerometer

2005-05-17

2005-05-17

Nguyen, Tan Q. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Indication or control of braking, acceleration, or deceleration

C701S001000, C701S220000, C073S504020, C073S514010, C073S514320, C324S658000

Reexamination Certificate

active

06895321

ABSTRACT:
An accelerometer system includes a rigid plate system coupled to an inertial platform. A first flexure plate defines a first flex axis and is adjacent to the rigid plate system a first distance from the spin axis. The first flexure plate generates a first frequency signal in response to acceleration of the first flexure plate. A second flexure plate defines a second flex axis and is adjacent to the rigid plate system a second distance from the spin axis. The second flexure plate generates a second frequency signal in response to acceleration of the second flexure plate. A controller including receives the first frequency signal and the second frequency signal and generates an angular acceleration signal from a difference of the first frequency signal and the second frequency signal. The controller also generates a linear acceleration signal in response to an average of the first frequency signal and the second frequency signal. The controller also controls a missile system in response to the first frequency signal and the second frequency signal.

REFERENCES:
patent: 5415040 (1995-05-01), Nottmeyer
patent: 5495414 (1996-02-01), Spangler et al.

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