10 ms·
Would it be possible to depend on the earth's magnetic field for positioning ? Migratory birds use it but I don't know how precise it is.
by zimbatm 12y ago
Would it be possible to depend on the earth's magnetic field for positioning ? Migratory birds use it but I don't know how precise it is.
- TheLoneWolfling 12y agoIt's rather susceptible to local perturbations. Still a possibility when combined with other things, though.
- icegreentea 12y agoSo called 9 axis inertia guidance units exist (3 linear accelerometers, 3 axis gyroscope, and 3 axis magnetometer). The magnetometers are particularly useful for dealing with gyroscope drift. Once you reject stuff like mains hum, in most typical situations, human scale magnetic fields tend to be pretty constant for many timescales in most human situations.