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An Inexpensive AI-Powered IoT Sensor for Continuous Farm-to-Factory Milk Quality Monitoring.

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Summary

This study introduces an affordable AI-powered IoT sensor for continuous, real-time monitoring of protein and fat content in raw milk. This innovation enhances milk quality control and supply chain efficiency.

Keywords:
Internet of ThingsIoT sensorin-tank milk monitoring

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Area of Science:

  • Agricultural Engineering
  • Sensor Technology
  • Artificial Intelligence

Background:

  • Raw milk quality, determined by protein and fat content, is crucial for market value and supplier payments.
  • Current milk quality assessment relies on expensive, specialized laboratory equipment and infrequent testing.
  • Continuous monitoring is essential for optimizing the milk supply chain and minimizing waste.

Purpose of the Study:

  • To present an inexpensive, AI-powered Internet of Things (IoT) sensor for continuous measurement of protein and fat in raw milk.
  • To enable real-time quality monitoring directly within milk supply chains, from farms to depots.
  • To offer a cost-effective alternative to traditional laboratory-based milk analysis.

Main Methods:

  • Development of an in-tank IoT device featuring a low-cost spectrometer and microcontroller.
  • Integration of the device with a machine learning (ML) algorithm for data analysis.
  • Deployment within a food-safe container for direct integration into milk tanks and transport vehicles.

Main Results:

  • The proposed sensor accurately measures milk fat and protein content in real-time.
  • Experimental evaluation demonstrated sensor accuracy of ±0.14% for fat and ±0.07% for protein.
  • The system enables continuous quality monitoring across various points in the milk supply chain.

Conclusions:

  • The developed AI-powered IoT sensor offers a practical and affordable solution for continuous milk quality assessment.
  • This technology facilitates improved product quality, enhanced supply chain management, and reduced milk spoilage.
  • The sensor's design allows for widespread adoption in dairy farm tanks, transport vehicles, and storage depots.