Coupling Wireless Sensor Networks and Autonomous Software for Integrated Soil Moisture Monitoring
نویسندگان
چکیده
Water shortage is a global problem that has severe implications on economic growth and societal well-being, even in the most developed countries. As more than two-thirds of freshwater consumed worldwide are used for irrigation, large quantities of freshwater can be saved by improving the efficiency of irrigation systems. Automatically scheduling irrigation events based on soil moisture measurements is an effective means to reduce freshwater consumption and irrigation costs. This paper presents the design, the implementation, and the validation of an integrated soil moisture monitoring system, which is part of an ongoing research on intelligent irrigation control. The monitoring system consists of a number of wireless sensor nodes that are connected to an Internet-enabled computer system. Autonomous software in the form of self-contained interacting software entities (“mobile software agents”) is embedded into the wireless sensor nodes. The autonomous software is designed to precisely trigger irrigation events based on decentralized real-time diagnoses of actual site conditions and external weather information.
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