Accelerometer(LIS303DLH) High pass filter for ''linear acceleration''

[harinath]

Posted on July 16, 2011 at 06:31

Hi Fabio,

( I could not find reply for my previous post by ST Fabio, so i posted the same here)

I'm using Visual Studio 2008( sometimes MATLAB for testing).I need AHRS data along with ''linear acceleration''.

1. Would you explain a way how to implement a High-pass Filter(HPF) which has the same response as embedded HPF of accelerometer ?

2. Does this HPF completely removes tilt( gravity) to produce linear acceleration ?

3. In LIS303DLH datasheet talks about ''linear acceleration''. Does this mean, it gives only ''linear acceleration(gravity removed)'' ?

4. Would you give any mathematical steps how to remove tilt from the acceleration to get linear acceleration.

Thanks.