Our collision avoidance system is designed conceptually on multiple systems in cascade:
The operator has a TAG that provides identification and at the same time protects him of being hit. This TAG beeps and vibrates in order to alert any eventuality. Once the operator is inside the equipment or vehicle, the vehicle identifies both of them.
Among mining equipments and vehicles, the system detects their presence in its nearness, defining an influence area. This area varies depending on the equipment type, its speed and direction, besides other variables, and represents the area for which it will transit. The vehicles communicate with each other directly, providing their identification and reporting their areas of influence. If these areas are overlapped, there is real potential of collision, alerting both operators. This is an autonomous safety LOOP and does not dependent on additional systems.
Above this link, there is a supervision link. The positioning information and movement of each equipment or vehicle is sent several times per second to the mine vehicle control center. This communication includes status and influence area of each vehicle, indicating in turn whether there is a collision possibility.
In case of a collision warning, the center is informed immediately, showing in real time what is happening. Different types of alarms can be set.
In turn, each vehicle is equipped with a black box that stores the information obtained by the anti collision device, video from cameras and even the sound of the cabin if it is required.