Industrial bakery production line
System Online

Predictive
Maintenance

AI-Powered Industrial IoT Monitoring — Anomaly Detection via Hybrid CNN-Transformer Autoencoder

Sep — Nov 2025
4 ML Models Trained

Datapoints

87K+

Devices

19

Features

188

Anomalies

879

87,813

minutes of monitoring

879

1.0% detection rate

188

across 19 ESP32 devices

0.7073

CNN-Transformer AE

2.3s

per epoch · RTX 4070 Ti

88%

all devices healthy

System Architecture

End-to-end IoT → ML → Dashboard pipeline

System Architecture — IoT to ML Pipeline to Dashboard

Hardware & Deployment

Goldsapa Bakery, Turkmenistan

ESP32 module + Dala Meter

ESP32 module + Dala Meter

Energy meter on RS-485 panel

Energy meter on RS-485 panel

Production line

Production line

Factory floor overview

Factory floor overview

Hardware Design

ESP32 + RS-485 + Raspberry Pi

IoT Hardware — ESP32 modules with energy meters and Raspberry Pi gateway
Monitoring panel

Monitoring panel

MIWE control panel

MIWE control panel

Wachtel Columbus oven

Wachtel Columbus oven

Compact oven 224°C

Compact oven 224°C

Anomaly Detection Dashboard

CNN-Transformer Autoencoder

Anomaly Detection Results — 6-panel dashboard

Per-Device Health Monitoring

19 ESP32 devices

Per-Device Health Analysis — health scores and activity timeline for 19 ESP32 devices
АН

Абдулхамит Назар

Data Science · Group 22-08

Diploma thesis: «Development and Evaluation of a Predictive Maintenance Model for Industrial Equipment Based on Time Series Analysis from IoT Sensors»

Period

2025

Object

Goldsapa

Model

CNN-Transformer