Off-Grid Solar-Powered Intelligent Gate Valve System: Wireless Monitoring, Adaptive Control, and Supervisory Management for Efficient Water Distribution
DOI:
https://doi.org/10.54536/ajsts.v5i2.7711Keywords:
Cascaded PID Controlv, Fuzzy Logic Control, Gate Valve System, LoRa Communication, Off-Grid Solar PowerAbstract
This study developed the off-grid solar-powered intelligent gate valve system that provides wireless monitoring, adaptive control, and supervisory management to improve the water distribution in the General Santos City Water District. The manual operation of underground gate valves in water distribution systems often requires 2-4 operators to turn the valve 0-17.5 full rotations to respond slowly to operations, poor monitoring, and loss of water through unstable pressure and incomplete closing of the valves, especially in remote locations with limited power and communication. This study designed an off-grid solar-powered intelligent system of a gate valve with pressure and flow sensors, fuzzy logic, cascaded PID control with a 12V DC motor to provide adaptive valve control, and uses a battery as the primary power source and a solar panel as the secondary power source, which is a solar-charged battery, ensuring continuous off-grid operation and offering a scalable solution for efficient water distribution management. Operation modes are controlled by a supervisory state machine, and LoRa technology provides long-range wireless communication of about 5-10 km for remote monitoring. The system evaluation showed that it has high system performance, with functionality results of (≈4.69/5), accuracy (≈4.72/5), effectiveness (≈4.76/5) and usability (≈4.63/5), all of these interpreted as “Excellent.” These reduce manual operation, provide more accurate monitoring and control. The system is feasible because it’s effective in controlling the water distribution, which helps to reduce water wastage and enhance service.
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Copyright (c) 2026 Trishia L. Magallamento, Ken Cyril B. Sumalinog, Joeriz J. Pontillo, John Vince B. Galido, Lloyd O. Arenas
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