Angular acceleration sensor

Details Angular acceleration sensor Angular acceleration sensor

1984-09-26

1986-09-16

Ciarlante, Anthony V.

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

73517A, G01P 1509

Patent

active

046114904

ABSTRACT:
A simple and shock-resistant device to measure angular acceleration about a predefined axis without using any spinning or vibrating mass. The device comprises a weight having a shape symmetrical with respect to an axis which becomes the aforementioned predefined axis, a stress transducer such as a piezoelectric element which is attached to the weight so as to have sensitivity to shear stress in a circumferential direction about the aforementioned axis, and a base member to which the assembly of the weight and the transducer is fixed such that at least a major portion of the weight is spaced from the base member. For example, the weight is a generally circular metal plate and the transducer is a ring-shaped element of a piezoelectric ceramic material having electrode films on the annular surfaces.

REFERENCES:
patent: 2505636 (1950-04-01), Carter
patent: 3295377 (1967-01-01), Richard
patent: 3468167 (1969-09-01), Klass et al.
Journal of the Japan Society for Aeronautical and Space Sciences, vol. 30, No. 336 (Jan. 1982), 15-22, "Attitude Sensors".
General Electric pamphlet on VYRO (publication date unidentified).

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