Patent ID: 7634343

Claim:
A method of stopping an unmanned mine vehicle in a predetermined position, the mine vehicle being controlled by means of a control system comprising at least a first control unit in the mine vehicle, a second control unit outside the mine vehicle and a data transmission connection between said control units, and the method comprising: driving the mine vehicle, controlled by said control system, towards a predetermined position; monitoring at least a speed of the mine vehicle and a speed of the driving power transmission of the mine vehicle, driving the mine vehicle at a speed significantly lower than a normal driving speed and driving intentionally against at least one physical stationary obstacle that is arranged in a predetermined position wherein the mine vehicle collides with the obstacle; and stopping the driving power of the mine vehicle when a ratio of the speed of the driving power transmission to the speed of the mine vehicle exceeds a predetermined limit value as a result of a tractive resistance caused by the obstacle resisting the proceeding of the mine vehicle after collision.