Answer to Question #211785 in Electrical Engineering for Steven

Question

A piezoelectric accelerometer has the following properties and inputs:

Axial acceleration = 10 g’s

Transverse acceleration = 3 g’s

Transverse sensitivity = 4%

What is the magnitude of the acceleration in g’s that the accelerometer measures in the axial direction?

Answer 1

The magnitude of the acceleration in the axial direction

$(1-4\%)*10 g's= 96 \% *10g's = 9.6 g's$

Even if a device equipped with an accelerometer is not moving, the accelerometer may identify the device's orientation (tilt) by detecting the acceleration due to Earth's gravity, which is a continuous downward force operating on all things. Roll is a rotation on the X-axis that indicates whether an object is slanted right or left.