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Title	Iot-Enabled Water Monitoring In Smart Cities With Retrofit And Solar-Based Energy Harvesting
ID_Doc	34101
Authors	Bawankar N.; Kriti A.; Chouhan S.S.; Chaudhari S.
Year	2024
Published	IEEE Access, 12
DOI	http://dx.doi.org/10.1109/ACCESS.2024.3392852
Abstract	Monitoring water flow helps to identify leaks and wastage, leading to better management of water resources and conservation of this precious resource. To address this challenge, there is a need for an efficient and sustainable water management system. This paper presents an Internet of Things (IoT) based solution that involves retrofitting existing analog water meters using readily available off-the-shelf electronic components. Real-time data collection and analysis are performed through edge computation, which locally processes water meter images captured by the camera and extracts water meter readings. These readings are transmitted to the cloud for storage and further analysis. Various strategies have been implemented to optimize supply-current usage, preserving charge-discharge cycles of solar-powered batteries even in adverse environmental conditions. To streamline the firmware update process for multiple connected devices, a broadcasting technique is employed, offering the benefits of reduced manual labor and time savings. To assess the reliability and performance of developed solution, field deployment is conducted over several months, enabling the characterization of water usage patterns across different locations. Integrating energy harvesting capabilities into system reduces maintenance costs and promotes eco-friendly energy practices. Overall, this solution offers an effective and comprehensive approach towards achieving efficient and sustainable water management. © 2013 IEEE.
Author Keywords	Current optimization; edge computation; energy harvesting; Internet of Things; retrofit; smart cities; smart meters; water monitoring

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