🚀 go-pugleaf

feng@srvr1 (Liqiang Feng, ) writes:

>I am working on the navigation problem for a tracked vehicle. 
  
      You need a heading reference.  A magnetic compass (flux-gate, 
presumably) or a heading gyro should do it.  You can often keep track
of distance travelled by dead-reckoning, but small errors in heading
have large effects after you've travelled any distance, so you need a
heading reference.

      					John Nagle