7. Model -How to measure distance- Measuring the distance between two vehicle
8. Model âroute check- Check whether the following vehicle runs the same route with the leading vehicle This is wrong route!
9. How to measure distance The coordinate information Angle ăâă convert radiun A is radius of the earth. A = 6378137m âż X is the displacement in longitude direction âż Y is the displacement in latitude direction Measure the distance between two points
10. How to measure distance Calculate the run mileage The difference of each mileage is calculated.
11. Route check A lean of the leading vehicle to time t from time t-1 A lean of the following vehicle to time tâ from time tâ-1 First quadrant or third quadrant Second quadrant or fourth quadrant
12. Route check First quadrant Secondquadrant Third quadrant Fourth quadrant North East
13. Route check If the quadrant of F( t) equals the quadrant of Fâ(tâ), the following vehicle run the same route with the leading vehicle. 珏ďźčąĄéă¨çŹŹďźčąĄéăă珏ďźčąĄéă¨çŹŹďźčąĄéăŽĺşĺĽ The quadrant of = the quadrant of The difference of first quadrant and third quadrant First quadrant Third quadrant The difference of second quadrant and fourth quadrant Fourth quadrant Second quadrant