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From: Justin on 22 Jul 2010 15:11
I would like to use a MEMS IMU (MicroStrain's Inertia Link) to record a person's head angle accelerations in 3 axes each. No problem.

I would also like to integrate those accels once to get velocity and once more to get position. This is easy with trapz or cumtrapz in Matlab.

When I look at these double integrated accelerations (position), the data makes no sense. I think I need to use a kalman filter on my accel data. I have found some good examples of kalman filters but not for this type of data.

Can anyone tell me what the other inputs to this kalman filter need to be other than my original data?

Thanks in advance for your responses.
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