US Patent 9383754 Management system and management method

A management system includes a position detection device, installed in a haul machine that travels at a mine, capable of detecting position information of the haul machine, and a processing device to which the position information of the haul machine detected by the position detection device is to be output, wherein the processing device specifies, based on the position information of the haul machine output from the position detection device, at least one of a start time and an end time of each of a plurality of operations of the haul machine.