Abstract:
Danova, F. A. 2025. "Design of Pump Control and Water Level Monitoring System on
the Expansion Tank of MT. SC COMMANDER LVII Vessel"
Overflow from expansion tanks on ships can lead to significant operational and safety
losses. On the MT. SC COMMANDER LVII vessel, manual filling of the expansion tank
often results in overflow due to the remote position of the filling valve relative to the tank
and lack of real-time monitoring during the process. This issue poses a risk of damaging
electrical systems and reducing the efficiency of the ship’s cooling system. This research
aims to design an automatic pump control and water level monitoring system based on
the ESP32 microcontroller and HC-SR04 ultrasonic sensor using an Internet of Things
(IoT) approach, to detect and control the water level in real-time. The research follows
the Research and Development (R&D) methodology with the ADDIE model (Analysis,
Design, Development, Implementation, Evaluation), including expert validation and user
testing stages. The system features an I2C LCD for local display, a buzzer as an alarm
indicator, and the Blynk application for remote monitoring. Validation by experts and
testing by 20 marine engineering cadets demonstrated that the system is practical and
effective for operational use. Implementation of this system has proven effective in
minimizing the risk of overflow and low water levels in the expansion tank, thus
improving the ship’s operational safety and efficiency. This system also holds potential
for further development through additional features such as data logging and integration
with other support sensors.
