Transducer element for measuring angular and linear acceleration

Details Transducer element for measuring angular and linear acceleration Transducer element for measuring angular and linear acceleration

1990-02-09

1991-03-05

Chapman, John

Measuring and testing

Speed, velocity, or acceleration

Response to multiple sensing means or motion conditions

73517A, 73651, G01P 1509

Patent

active

049968785

ABSTRACT:
A transducer element for measuring angular and linear accelerations including a pair of electromechanically reacting oscillating beams held symmetrical to a main axis y on a base plate by fixing elements. The electrical output signals proportional to the flexure of the beams under rotation about the y axis are provided to a signal processing circuit, which is designed so that with similar or dissimilar polarity of the oscillating beams a summing amplifier determines the linear acceleration along the z axis and a differential amplifier the angular acceleration about the y axis. The oscillating beams may be piezoelectric bending elements, or bending elements coated with piezoresistive semiconductors, or else provided with strain gauges.

REFERENCES:
patent: 4038876 (1977-08-01), Morris
patent: 4457173 (1984-07-01), Hunter

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