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Lajara, Rafael; Alberola, Jorge; Pelegrí-Sebastiá, José (2010)
Publisher: Molecular Diversity Preservation International (MDPI)
Journal: Sensors (Basel, Switzerland)
Languages: English
Types: Article
Subjects: solar energy, wireless sensor networks, Software, TP1-1185, Semiconductor, Transistors, Electronic, Article, Wireless communication, Agriculture, autonomous sensor, TECNOLOGIA ELECTRONICA, Computer program, actuator node, agriculture irrigation systems, Chemical technology, Wireless Technology
The design of a fully autonomous and wireless actuator node ("wEcoValve mote") based on the IEEE 802.15.4 standard is presented. The system allows remote control (open/close) of a 3-lead magnetic latch solenoid, commonly used in drip irrigation systems in applications such as agricultural areas, greenhouses, gardens, etc. The very low power consumption of the system in conjunction with the low power consumption of the valve, only when switching positions, allows the system to be solar powered, thus eliminating the need of wires and facilitating its deployment. By using supercapacitors recharged from a specifically designed solar power module, the need to replace batteries is also eliminated and the system is completely autonomous and maintenance free. The "wEcoValve mote" firmware is based on a synchronous protocol that allows a bidirectional communication with a latency optimized for real-time work, with a synchronization time between nodes of 4 s, thus achieving a power consumption average of 2.9 mW. © 2011 by the authors. This work was supported by the I + D + i program of the Generalitat Valenciana, R&D Project GV05/043, and the Vicerecorate of Investigation, Development and Innovation of Universidad Politecnica de Valencia PAID-06-06-002-61 and PAID-10-11. Lajara Vizcaino, JR.; Alberola, J.; Pelegrí Sebastiá, J. (2011). A Solar Energy Powered Autonomous Wireless Actuator Node for Irrigation Systems. Sensors. 11:329-340. doi:10.3390/s110100329 Senia 329 340 11
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