Patent ID: 6834220
Filing Date: 2004-12-21
Classification: G01S,G05D,G09B

Abstract:
A system for controlling a self-propelling vehicle comprisinga positioning system for transmitting position signals and a self-propelling vehicle containing position signal receiving means, position signal evaluating means, data memory storage means, and vehicle control means, characterized by the following steps: a) storing in the data memory the position data of a selected route from a starting point to a destination; b) causing said vehicle to follow said selected route automatically in that b1) at a point of departure it receives a current position signal from the positioning system and compares said signal with the stored position of said starting point and, if said position data do not match, calculates direction and distance to said starting point therefrom and causes the vehicle to travel from said current position of departure to the starting point, and b2) then receives current position data in successive order and calculates direction and distance to the next stored position and causes the vehicle to drive along the selected route.