Determining the location of the object relative to the observation point is an urgent task in the framework of automation of production facilities. Actively introducing systems to prevent collisions and collisions with pedestrians of self-propelled vehicles, create restricted areas, and control the movement of personnel. The variability of the task and operating conditions leads to the existence of narrowly targeted areas for which generally accepted standard solutions are not suitable. An example of such a technical field is the emergency search system for personnel under the rubble of the rock mass in the conditions of mining. The requirements set by the supervisory authorities require the search team to determine the location of the victim at a distance of up to 50 meters, with an accuracy of at least 2 meters. Issues of underground communications have already been considered in [1], [2].
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