Angular acceleration sensor

Details Angular acceleration sensor Angular acceleration sensor

1994-10-28

1996-11-12

Chapman, John E.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

7351436, G01P 1508

Patent

active

055742211

ABSTRACT:
Seismic inertias are attached to the ends of the arms of elastic plate. Piezoelectric elements are adhered to the upper surfaces of the arms and the elastic plate is supported in the center by a support. When rotation force is applied to the arms of the elastic plate, the arms bend towards opposite direction. The piezoelectric elements are suppressed or extended by the elastic force, thereby they generate electric signals. Rotation directions and angular acceleration velocity can be detected by processing those signals.

REFERENCES:
patent: 4431935 (1984-02-01), Rider
patent: 4457173 (1984-07-01), Hunter
patent: 4601205 (1986-07-01), Pittman
patent: 4700973 (1987-10-01), Gademann et al.
patent: 4996878 (1991-03-01), Kubler
patent: 5001940 (1991-03-01), Ogawa
patent: 5212986 (1993-05-01), Takeuchi

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