|Apr30-12, 12:48 PM||#1|
Accelerometer tilt error correction
I am using arduino and accelerometer MMA7341 to measure the acceleration in x direction of an oscillating metal table. But the mounting of the accelerometer is tilted by a small angle (say Q) . Is it affect the acceleration?. If it is affect the acceleration in x direction , how can correct it without changing the tilt of the acceleration sensor.
|May5-12, 09:43 PM||#2|
You will have to mathematically rotate the accelerometer's frame to the gravity frame. You will have to measure the x-z and y-z angles that it is tilted by.
|acceleration sensor, mouting error, oscillation|
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