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Temperature compensation for Accelerometer and Gyroscope

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E

eepty

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Again, I could not found a suitable category for this question in this forum...so I asked here.

I am working on a project which use an 6-DOF IMU (Accelerometer and Gyroscope), that is the ST LMS6DS3. During the development, I found that the accelerometer and gyroscope data seems change in different ambient temperature. Since in my project I am trying to detect a very tiny movement, the change is important to me.

The sensor integrated a temperature sensor, I would like to ask how can I do a temperature compensation?

Thank you very much.
 

Hi,

One option is to measure all the characteristics and drifts at different temperatures, then store all the infirmation into the microcontroller's software and correct the errors. Hopefully the characteristic diesn't change with time.
But most probably you need to calibrate each sensor independently.

Maybe the more easy solution is to mount the sensor onto a peltier... and keep the temperature of the sensor constant.

Klaus
 

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