Propuesta de un prototipo de una WSN para la supervisión y alerta en tiempo real de fallas en luminarias del alumbrado público.

Abstract

The objective of the qualification work was to design and implement a prototype of a network of wireless sensors for monitoring and control of faults in public lighting. A network with star topology, based on ZigBee communication between the router node and the coordinator node that make up the system. The first node works with an Arduino development card to process the information of the luminaire coming from the sensors of current, voltage and position, and then send it to the coordinator using Xbee modules. The second node does not work with two development cards: Arduino processes the information of the routers nodes altogether with its own luminaire and Raspberry Pi sends the obtained data to a web where it allows to register the status of the luminaires, their position, the ignition, off and sending notifications when there are failures through text messages to the group in charge of repairs. Of the tests carried out, it is obtained that the system can measure voltage values with an error of ± 0.01, current with an error ± 0.1 A. It can establish communication between remote nodes of up to 100 meters with obstacles and 1.2 Km with line of sight without loss of data. When evaluating the capacity of the network it was determined that a coordinating node can handle 80 routers nodes. It is concluded that the implemented prototype allows real-time supervision of lighting failures and would become an aid for the detection of faults in public lighting lamps, which may influence energy saving. It is recommended to study the possibility of reducing the size of the nodes that make up the prototype network and integrated as elements in the public lighting lamps, as well as expanding the communication coverage between nodes.