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Which accelerometer uses torquer coil and pick off supported by a flexure to measure acceleration?

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Which accelerometer uses torquer coil and pick off supported by a flexure to measure acceleration?

(a) MEMS accelerometer

(b) Flexure pivot accelerometer

(c) Vibrating beam accelerometer

(d) Mechanical accelerometer

The question was posed to me during an interview.

This intriguing question originated from Accelerometer in portion Satellite Radio Navigation  & Inertial Navigation of Avionics

1 Answer

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The correct option is (b) Flexure pivot accelerometer

To explain: The flexure pivot accelerometer is the most commonly used in aircraft systems. The sensitive element consists of a pendulum with a torquer coil and a pick off supported by torsional spring or flexure.

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