IMU Question - Barometer Accelerometer DataFusion
Posted: Fri Mar 14, 2014 9:29 am
hi @ all !
hoping that someone could help me out with this IMU issue.
short explanation: i started to study art again, and im at the moment trying to make a piece with oculus rift and my FreeIMU.
in short doing something with a oculus and a (any) elevator.. as soon as the elevator starts to move you see a virtual room with the occulus, when the elevator reaches its destination the occulus turns black again.
i therefor need to know when does the elevator start to move and when does it stop, i dont need to know how far it moved or anything precise.. just the (if possible, instant) moment of the starting and ending motion eg. acceleration/decceleration. now, i dont think that i can do this whole thing only by using the accelerometer inside the backpack the user is wearing, i need to implement the barometerdata,.. not that every small bobbing screws up everything.
so my question would be.. does anyone know how i could go about this ? how can i fuse the barometer- with the accelerometerdata ? the barometer has range of about 40cm +/- therefor its not good enough to recognize the impuls of the movement/the start of the elevator. or is there anotherway ?
would really appreciate your opinion about this!
thanks a lot!
numu
hoping that someone could help me out with this IMU issue.
short explanation: i started to study art again, and im at the moment trying to make a piece with oculus rift and my FreeIMU.
in short doing something with a oculus and a (any) elevator.. as soon as the elevator starts to move you see a virtual room with the occulus, when the elevator reaches its destination the occulus turns black again.
i therefor need to know when does the elevator start to move and when does it stop, i dont need to know how far it moved or anything precise.. just the (if possible, instant) moment of the starting and ending motion eg. acceleration/decceleration. now, i dont think that i can do this whole thing only by using the accelerometer inside the backpack the user is wearing, i need to implement the barometerdata,.. not that every small bobbing screws up everything.
so my question would be.. does anyone know how i could go about this ? how can i fuse the barometer- with the accelerometerdata ? the barometer has range of about 40cm +/- therefor its not good enough to recognize the impuls of the movement/the start of the elevator. or is there anotherway ?
would really appreciate your opinion about this!
thanks a lot!
numu