Abstract
Irrigation installations in cities or agricultural operations use large amounts of water and electrical energy in their activity. Therefore, optimising these resources is essential nowadays. Wireless networks offer ideal support for such applications. The long-range wide-area network (LoRaWAN) used in this research offers a large coverage of up to 5 km, has low power consumption and does not need additional hardware such as repeaters or signal amplifiers. This research develops a control and monitoring system for irrigation systems. For this purpose, an irrigation algorithm is designed that uses rainfall probability data to regulate the irrigation of the installation. The algorithm is complemented by checking the sending and receiving of information in the LoRa network to reduce the loss of information packets. In addition, two temperature and humidity measurement devices for LoRaWAN (THMDLs) and an electrovalve control device for LoRaWAN (ECDLs) were developed. The hardware and software were also designed, and prototypes were built with the development of the electronic board. The wide coverage of the LoRaWAN allows the covering of small to large irrigation areas.
Highlights
Another fundamental part is given by the communication network, which is currently realised through wireless networks with low energy consumption, such as Low-Power Wide-Area Networks (LPWANs)
This service is specially designed to work with long-range wide-area network (LoRaWAN) supports upstream and downstream messages to LoRaWAN devices, such as the ones deand supports upstream and downstream messages to LoRaWAN devices, such as the ones veloped in this research (THMDL and ECDL)
This research develops a complete irrigation system based on wireless communication over a LoRaWAN
Summary
In modern irrigated agricultural facilities, the competitiveness of the sector, combined with rising global temperatures, has necessitated the development of new and more sustainable agricultural techniques and crops to help reduce water consumption in these facilities, coupled with optimal water and energy management strategies. Optimisation of the irrigation system involves improving crop development conditions by planning the installation: optimal water and energy quantity and management. This requires variable monitoring and decision-making systems that allow us to optimise current irrigation installations. It is important to design sustainable models capable of supplying energy through renewable sources based on solar photovoltaic (PV) energy Another fundamental part is given by the communication network, which is currently realised through wireless networks with low energy consumption, such as Low-Power Wide-Area Networks (LPWANs). This article describes the design of an intelligent system to implement the irrigation control of a facility located on the university campus of the University of Jaén through wireless communication and low energy consumption powered by solar PV panels. An irrigation system and reducing its energy consumption with an LPWAN supplied by a PV system
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