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Jean-Claude RADIX: Telecommunications civil engineer - Freelance teacher
INTRODUCTION
Inertial accelerometers, whose operating principle uses the inertial property of matter, are designed to measure the quantity : to which their casing is subjected,
with absolute acceleration,
local gravitational field,
equal to by definition.
The magnitude is therefore not generally equal to an acceleration, this word having the meaning attributed to it in kinematics, i.e. the second derivative of a position, relative to a well-defined reference trihedron. For this reason, can be called :
accelerometric reading (or measurement) ;
non-gravitational acceleration ;
non-gravitational mass effort.
On the other hand, the term acceleration should be avoided, as it can lead to confusion with .
These devices are mainly used for inertial navigation, vehicle piloting and vibration measurement.
The market is divided into two categories:
precise and relatively expensive non-vibrating accelerometers;
vibrating accelerometers.
After examining the theory and principles behind these devices, we present...
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Inertial accelerometers
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