Automatic Pellet Dispenser with Water Quality and Oxygenation Monitoring using Hybrid Rule-Based Scheduling and Threshold Control Algorithm

Authors

  • Chris Jericho F. Cabading College of Engineering and Technology Education Holy Trinity College, General Santos City, Philippines
  • Christian B. Ildefonso College of Engineering and Technology Education Holy Trinity College, General Santos City, Philippines
  • Jose A. Arca Jr. College of Engineering and Technology Education Holy Trinity College, General Santos City, Philippines
  • Lloyd O. Arenas College of Engineering and Technology Education Holy Trinity College, General Santos City, Philippines https://orcid.org/0009-0002-1670-9666

DOI:

https://doi.org/10.54536/ajaset.v10i2.7716

Keywords:

Aquaculture Automation, Hybrid Rule-Based Scheduling, Shrimp Farming, Threshold Control Algorithm, Water Quality Monitoring

Abstract

The purpose of this study was to undertake the design and development of an automatic pellet dispenser that has an inbuilt water quality and oxygenation checks that can be used with shrimp aquaculture to solve the challenges of manual feeding, irregular water analysis and inability to control automated aeration levels. The work includes automation of feeding times, monitoring of five important water parameters (dissolved oxygen, pH, water level, temperature, and total dissolved solids) and automatic oxygenation via a hybrid rule-based scheduling and threshold control algorithm on a dual controller system. This system was designed based on a Heltec WiFi LoRa 32 V3 microcontroller to sense the fields and a Raspberry Pi 4 to manage a web server and database. The hybrid rule-based scheduling algorithm was used to calculate feeding times depending on daily schedules and the threshold control algorithm was used to start the aerator when the dissolved oxygen dropped below 4.0 mg/L. The system was rated by 15 shrimp farmers with ZKD Farm in Kiamba, Sarangani Province on a 5-point Likert scale. The analysis resulted to an average weighted mean of 4.29/5.00, which is translated to Strongly Agree. The system developed is a fully automated, efficient, and reliable system to solve the problem of shrimp farming; it lowers the number of individuals to work on the farm, feed efficiency, and maximizes water quality and oxygen concentration. The technology will help in the sustainable production of aquaculture by reducing operational costs and enhancing the survival of shrimps.

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Author Biographies

  • Chris Jericho F. Cabading, College of Engineering and Technology Education Holy Trinity College, General Santos City, Philippines

    Student Researcher

    College of Engineering and Technology Education

    Holy Trinity College

    General Santos City, Philippines 9500

  • Christian B. Ildefonso, College of Engineering and Technology Education Holy Trinity College, General Santos City, Philippines

    Student Researcher

    College of Engineering and Technology Education

    Holy Trinity College

    General Santos City, Philippines 9500

  • Jose A. Arca Jr., College of Engineering and Technology Education Holy Trinity College, General Santos City, Philippines

    Adviser

    College of Engineering and Technology Education

    Holy Trinity College

    General Santos City, Philippines 9500

  • Lloyd O. Arenas, College of Engineering and Technology Education Holy Trinity College, General Santos City, Philippines

    Adviser

    College of Engineering and Technology Education

    Holy Trinity College

    General Santos City, Philippines 9500

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Published

2026-06-13

How to Cite

Cabading, C. J. F. ., Ildefonso, C. B. ., Arca Jr., J. A. ., & Arenas, L. O. . (2026). Automatic Pellet Dispenser with Water Quality and Oxygenation Monitoring using Hybrid Rule-Based Scheduling and Threshold Control Algorithm. American Journal of Agricultural Science, Engineering, and Technology, 10(2), 7-15. https://doi.org/10.54536/ajaset.v10i2.7716

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