Final Year Project

AI based Predictive Maintenance System

An intelligent monitoring solution for industrial HVAC-R systems using IoT and Machine Learning

Project Overview

The AI Predictive Maintenance System is designed to enhance the reliability and efficiency of industrial HVAC-R (Heating, Ventilation, Air Conditioning, and Refrigeration) systems through continuous monitoring and predictive analytics.

This project addresses the critical need for proactive maintenance in industrial settings, where unexpected equipment failures can lead to significant financial losses and operational disruptions.

Technical Stack

React Native
Supabase
Spring Boot
Express.js
Java
Streamlit
LSTM Autoencoder
Random Forest Classification
Random Forest Regression
ESP32

Key Features

Real-time Monitoring

Continuous tracking of temperature, humidity, vibration, current, voltage, and gas levels.

Dashboard showing real-time sensor data

Figure 1: Dashboard showing real-time sensor data

AI/ML Predictions

Advanced machine learning models including LSTM Autoencoder and Random Forest for accurate fault detection and predictive maintenance.

Machine learning model architecture

Figure 2: Machine learning model architecture

Chatbot Interface

Natural language processing for intuitive system interaction and querying sensor data.

Chatbot interface for system interaction

Figure 3: Chatbot interface for system interaction

Hardware Implementation

Custom ESP32-based hardware with multiple sensors for comprehensive environmental monitoring.

Hardware components and setup

Figure 4: Hardware components and setup

System Architecture

End-to-end architecture showing data flow from sensors to cloud and mobile application.

System architecture diagram

Figure 5: System architecture diagram

Custom PCB Design

Optimized PCB layout for reliable sensor integration and data acquisition.

PCB layout design

Figure 6: PCB layout design

Results & Impact

The implementation of our AI Predictive Maintenance System has demonstrated significant improvements in equipment reliability and maintenance efficiency. The system successfully integrates IoT sensors with advanced machine learning models to provide real-time monitoring and predictive insights.

90%

Prediction Accuracy

25%

Reduction in Downtime

30%

Cost Savings

The system's modular architecture allows for easy integration with existing industrial equipment, making it a versatile solution for various industrial applications beyond HVAC-R systems.

Achievements

  • OpenAI Researcher Access Program: Our UG Final Year Project "AI-based Predictive Maintenance System for Industrial Machines" was accepted into the OpenAI Researcher Access Program, granting $2000 worth of credits.
  • 1st Rank in Tantrapradarshini: Secured 1st Rank in the department-level project exhibition Tantrapradarshini, organized by the ENTC Department in association with IEEE Student Branch and Institutions Innovation Council.