Hi,
I am thinking about designing a navigation system and I thought about accelerometers.
I would like to ask you something. I was always afraid of the drift of the accelerometers in time, because for getting the position you must integrate two times and that means that a small drift in the acceleration measure will produce a big error in position as time goes on. Did you
noticed that efect as important ?
And an other question, have you tried to create a complete coordinate sytem, with (x,y,z,pich,roll,jow) ??? how many accelerometers do you need ??
thanks a lot and sorry for so many questions, but I was always wandering how it was with the accelerometers and you are the first person I see that has used some.
david
ps.- these accelerometers from Analog, are they easy to buy or you must order some million pieces direct to Analog ??