unh2013:
I am working on a project with a friend from school and we are looking for possible position estimation algorithms for an IMU. We are using the 9DOF Razor IMU from Sparkfun which has a 3-axis accelerometer, 3-axis gyroscope, and a 3-axis magnetometer and are look for some suggestions on algorithms or helpful resources. We have tried a variation of DCM that has been off by miles with less than a minute drive and does not even remotely match the shape. We realize that the measurements will have a decent amount of error no matter because we are integrating the accelerameter measurement twice and amplify the error a great deal but we are just trying to get something a rough estimate that is in within an order of magnitude, and has a shape somewhat resembling the actual path.
Air or land-based?