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OPERATION OF THE HARDWARE-SOFTWARE COMPLEX OF THE AUTOMATED SYSTEM FOR PERSONNEL AND MOBILE MACHINERY POSITIONING AT A MINING ENTERPRISE. CONCEPT
Abstract
Based on the overview of existing industrial safety technologies and new electronic components on the market, the Concept outlines the new requirements to key segments and sub-systems of the System for personnel and mobile machinery positioning in mines. The concept of the system?s functioning is focused on building a highly robust fail proof adaptive system for data collection, processing, transmission and display, as well as for process management. The system for positioning of personnel and mobile machinery in mines is a hardwaresoftware complex providing continuous tracking the location of personnel and machinery at the mine site. It also performs a number of support functions to provide personnel safety and security and to set up communication lines in underground mines. The most suitable methods for determining location in mines are Time of Arrival (ToA) and Time of Flight (ToF) methods, based on measuring the distance between objects. These methods are suitable for creating a local short-range radionavigation system operating in real time. Such a navigation system usually consists of stationary objects with known coordinates and mobile objects whose coordinates are unknown. This method is the least resource-intensive with the necessary accuracy of determining the location for positioning of personnel and equipment. To build a data network, the most common Wi-Fi standard was selected, which is best suited to date. First of all, this is due to the wide availability and low cost of client equipment, as well as shareware frequencies in 2.4GHz and 5GHz. It is also important that the infrastructure equipment (network part) has already reached a high level, while remaining relatively inexpensive. It is important to choose the right WiFi network architecture and the most suitable manufacturer of Wi-Fi solutions. From the point of view of a typical three-level network architecture, a Wi-Fi data network is at the access level (in terms of the radio subsystem
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References3
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