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The steps to integrate and deploy an Industry 4.0 project with AI

Introduction

Industry 4.0 is radically transforming the way factories operate by integrating advanced technologies such as the Internet of Things ( IoT ), artificial intelligence ( AI ) and cloud computing. The goal? To connect, analyze and automate operations to improve the productivity, quality and flexibility of production lines.

Today, industrial companies face several challenges:

  • Lack of real-time visibility into production
  • Unplanned machine downtime and high maintenance costs
  • Waste of resources and energy inefficiency
  • Difficulty adapting to changes in demand

Thanks to AI and digital solutions, it is now possible to collect and exploit machine data, predict failures, optimize processes and even deploy intelligent agents capable of making autonomous decisions.

But how can we structure an Industry 4.0 project effectively?
What solutions are available on the market?
What architecture should be adopted to ensure scalability and cybersecurity ?

In this article, we will see how to deploy an Industry 4.0 strategy by integrating AI, from connecting equipment to completely automating operations.

Analysis of the existing situation

It is essential to start by carrying out a complete industrial audit of the existing situation. This step makes it possible to identify the current state of the infrastructures, equipment and processes, to map the business and IT processes (network architecture) in order to set up an effective transformation adapted to the real needs of the factory. The objective is to assess digital maturity, identify friction points and determine improvement opportunities before investing in advanced technologies such as IoT and AI.

The audit begins with an inventory of equipment, management systems ( MES , ERP , SCADA ) and protocols used to assess their level of automation and interconnection. Data collection and storage must then be analyzed to ensure their accessibility and potential exploitation by AI. This analysis makes it possible to identify technical and organizational obstacles (unconnected machines, lack of structured data, insufficient cybersecurity) as well as optimization opportunities (implementation of a high-performance IoT, data centralization, deployment of AI algorithms).

Example of the audit

It is essential that the audit covers several key themes: operational efficiency, energy, quality, production, maintenance and logistics.

: Quality audit checklist for the evaluation of industrial processes. The image covers essential criteria such as documentation and compliance with quality control procedures, carrying out internal audits, real-time detection of non-conformities, product traceability, root cause analysis, management of scrap rates, continuous improvement (PDCA), operator training, as well as supplier and raw material evaluation.

Audit assessment

Once the audit has been carried out, it is essential to evaluate the results in order to understand the strengths and weaknesses of the industrial site. The analysis of key indicators makes it possible to identify areas for improvement and to define priorities for digital transformation .

The attached image illustrates an industrial audit assessment, grouping several critical themes such as operational efficiency, quality, production, maintenance and logistics. Each theme is analyzed according to current results and improvement potentials.

Use Value Stream Mapping (VSM) to map your processes and businesses

Once the audit of the existing system has been carried out, it is essential to map the industrial processes in order to visualize the production flows, identify inefficiencies and understand the contribution of each service to the creation of value. Value Stream Mapping (VSM) is an effective method for representing physical and information flows, integrating not only production but also ancillary and support services.

Network architecture: structuring industrial connectivity

This is a general representation of the industrial network architecture, integrating all the essential levels: sensors and actuators, PLC, SCADA, MES, ERP and Cloud. This model illustrates the interactions between field equipment (edge ​​devices), automation and monitoring systems, as well as data management and analysis platforms. Although each company adapts its infrastructure according to its specific needs, this architecture covers the main use cases and communication protocols used in a connected industrial environment.

Industrial network architecture diagram showing the different levels of interconnection: sensors and actuators, PLC, SCADA, MES, ERP and Cloud. The illustration shows the communication flows between field equipment, automation systems and data management and analysis platforms.

Define goals and roadmap

After carrying out the audit of the existing situation, it is essential to define clear objectives to guide the transformation towards Industry 4.0. This step makes it possible to establish a strategic vision aligned with the needs of the company and to structure the actions to be implemented. A precise definition of objectives facilitates the allocation of resources and guarantees an efficient deployment of technological solutions.

Objectives must be defined according to the specific challenges of the industrial site. They may concern the improvement of overall performance, the optimization of processes, the digitalization of operations or even the reduction of costs and the improvement of industrial KPIs in general. For example, a company may aim for an increase in the overall equipment efficiency rate ( OEE ), a reduction in machine downtime thanks to predictive maintenance or better energy management. The key is to identify relevant performance indicators to measure the progress made.

Once the objectives have been set , it is necessary to establish a detailed roadmap. This must specify the stages of the project, the target VSM, the future network architecture and the technologies to be integrated and the necessary resources . Effective planning is based on a division into several phases: short-term actions for rapid results, medium-term initiatives to stabilize gains and long-term projects for a complete transformation. This progressive approach makes it possible to limit risks and ensure that teams develop their skills.

Stakeholder involvement is a key success factor. Management must validate the strategy, technical teams must be involved in implementation, and operators must be trained in new tools. Regular communication and the establishment of monitoring indicators facilitate project buy-in and ensure effective management.

Network Architecture: Integration of IoT and AWS protocols

The integration of IoT protocols and Edge Gateways is essential for a connected factory, ensuring real-time data collection, processing, and analysis. MQTT, with its publish/subscribe model, is widely used to transmit OEE data to a BI system or predictive analytics platform.

An Edge Gateway acts as an intermediary between industrial equipment and the cloud. It integrates an MQTT broker to secure, filter and transmit data, thus optimizing bandwidth and reducing latency. This local pre-processing improves the reliability of analyses and allows increased responsiveness of industrial systems.

Example of a hybrid AWS architecture (Edge ↔ Cloud)

AWS offers a scalable and flexible architecture for leveraging industrial data. AWS IoT Core collects information, Amazon S3 stores data, and Amazon Kinesis processes streams in real time. Amazon SageMaker applies AI and machine learning models for predictive maintenance, while Amazon QuickSight enables visualization of industrial KPIs. This hybrid approach ensures optimized operations management, improving productivity, responsiveness, and automation of connected factories.

AWS architecture diagram for connected factory, integrating IoT, Edge Gateway, MQTT, cloud, AI, industrial data storage and analytics.Source: AWS – Industrial network architecture connected to the cloud

Implement the actions

Implementing a connected factory relies on two pillars: a reliable infrastructure to interconnect equipment and intelligent applications that exploit the collected data. Depending on the needs, the company can favor a local approach (Edge Computing) or a cloud approach.

Prepare the infrastructure and interconnect the equipment

Before deploying new sensors or protocols, it is essential to prioritize access to data already existing in industrial management systems (ERP, MES, SQL, BI) . This data is often available via third-party APIs or standardized connections. Direct integration with these systems allows you to immediately exploit information that is already structured and validated, ensuring better consistency of analyses.

If the data collected is incomplete or insufficient, it becomes necessary to deploy smart sensors to enrich the measurements. These sensors will send their data via industrial protocols (MQTT, OPC-UA, Modbus), which will then be integrated into central systems via an Edge Gateway. This progressive approach avoids data redundancy and optimizes the existing infrastructure before investing in additional hardware.

Integration must therefore follow an optimization logic: first exploit existing connections (API, SQL databases, MES) and, if necessary, supplement with connected sensors to fill the gaps and ensure a global vision of industrial operations.

There are two options for data processing and storage:

  • On-premises infrastructure : Ideal for sensitive data or critical response times, it requires industrial servers, a local data lake, and SQL or NoSQL databases.
  • Industrial Cloud : More flexible and scalable, it is based on solutions such as AWS IoT Core, Azure IoT Hub and Google Cloud IoT, enabling centralized storage and the integration of advanced analysis tools.

The choice depends on security, connectivity and cost constraints.

Data type and transformation into usable format

Sensors collect raw data such as temperature, pressure, energy consumption or vibrations. This data must be converted into a structured format (e.g. JSON, XML, CSV) to be integrated into analysis systems.

Example of JSON format for OEE (Overall Equipment Effectiveness) data collected in real time from a production line:

{
 "timestamp": "2025-03-01T14:15:00Z",
 "machine_id": "MACH-07",
 "shift_id": "SHIFT-B",
 "operator": "John Doe",
 "oee_metrics": {
 "availability": {
 "runtime": 3200,
 "planned_downtime": 600,
 "unplanned_downtime": 200,
 "availability_ratio": 0.88
 },
 "performance": {
 "actual_output": 480,
 "ideal_output": 550,
 "cycle_time": 7.5,
 "performance_ratio": 0.87
 },
 "quality": {
 "total_produced": 480,
 "good_units": 460,
 "defective_units": 20,
 "quality_ratio": 0.96
 }
 },
 "oee_score": 0.73,
 "unit": "%",
 "alerts": [
 {
 "type": "unplanned_downtime",
 "duration": 120,
 "cause": "Motor Overheat",
 "severity": "high"
 },
 {
 "type": "quality_issue",
 "affected_units": 5,
 "cause": "Misalignment",
 "severity": "medium"
 }
 ]
 }

Transfer, storage and processing of data

The data collected by sensors and automation systems are transmitted via an Edge Gateway, depending on the monitoring and analysis needs. For real-time alerts, they are sent immediately via MQTT or WebSockets, while historical analyses and reports use protocols such as OPC-UA, REST API or are stored in SQL/NoSQL databases. Before being sent to the cloud, local filtering and aggregation optimize bandwidth and avoid unnecessary transfers.

Exploitation of industrial data

Once the data has been collected and centralized, the key step is to use it to improve industrial performance, optimize maintenance, and strengthen decision-making. This phase is based on three main axes: real-time analysis, data enhancement using BI and AI tools, and automation of actions based on the insights generated.

Data Valorization with BI and AI

Historical data can be leveraged through Business Intelligence (BI) tools such as Power BI, Amazon QuickSight, or Tableau. These platforms enable you to visualize trends, detect performance gaps, and compare industrial KPIs.

Data exploitation should not be limited to analysis, but lead to automated actions to improve productivity. An alert management system makes it possible to anticipate breakdowns and trigger interventions before a problem occurs.

Artificial Intelligence (AI) and Machine Learning (ML) play a key role in process optimization. With platforms like Amazon SageMaker, Azure ML or Google AI, it is possible to:

  • Plan production in real time and manage your supply chain with AI
  • Predict failures and improve preventive maintenance.
  • Optimize production parameters by automatically adjusting equipment settings.
  • Detect quality anomalies using automated inspection algorithms.

Prepare local AI infrastructure for inference and predictive maintenance

Integrating AI models on-premises helps reduce latency and process data directly on-premises without relying on the cloud. This is particularly useful for predictive maintenance, where a model can analyze equipment trends and anticipate failures.

For this, a suitable hardware infrastructure is necessary:

  • AI servers with GPU or TPU (eg NVIDIA Jetson, Dell Edge Servers) to run models in real time.
  • Smart sensors with embedded AI to detect anomalies directly on the machine.
  • Edge AI Frameworks like TensorFlow Lite, OpenVINO to run AI models locally.

Leveraging machine vision and advanced analytics in real time

The integration of smart cameras and AI models in machine vision is revolutionizing quality control, workstation optimization, and root cause identification in production. Unlike traditional methods requiring human intervention, these solutions provide continuous monitoring and advanced analytics without interruption. They complement IoT sensors by providing a more detailed vision and cross-referencing information with other industrial data.

Real-time monitoring automates quality control by immediately identifying product defects, monitors workstation ergonomics to prevent musculoskeletal disorders, and improves OEE by accurately detecting micro-stoppages and production deviations. By correlating images with sensor signals, it becomes possible to identify the root causes of manufacturing failures and anomalies more quickly.

Monitoring musculoskeletal disorders (MSDs) using smart cameras and AI, analyzing postures in real time to prevent ergonomic risks and improve operator safety in industrial environments.

High-capacity storage is essential to preserve video streams and analytics. Local processing is often preferred to avoid massive data transfer to the cloud and ensure the confidentiality of sensitive information.

Custom AI Application Development

The connected factory can leverage AI beyond predictive maintenance, developing smart industrial applications tailored to specific production needs.

Some possible use cases:

  • Quality defect detection with an AI vision model integrated into an industrial camera.
  • Optimization of machine parameters via an adaptive learning algorithm.
  • Predicting demand and adjusting resources based on production trends .

These applications can be developed on open-source frameworks like TensorFlow, PyTorch and integrated into local or cloud infrastructures depending on performance and security constraints.

Application integrating AI models to analyze production, workstation ergonomics, preventive maintenance and industrial performance in real time.

Creating AI agents for industry

Industrial AI agents help optimize production , anticipate failures, and automate operations management. They analyze data in real time, adjust machine parameters, and improve product quality using advanced AI models. They can be deployed via SaaS cloud solutions, where you simply authenticate, create flows, and test a bot via integrated applications, or locally, using open-source models and specific multi-level prompts for personalized and secure control.

Diagram illustrating the flow of a SaaS AI agent for industry, showing authentication, creation of automated flows, integration with third-party applications and real-time analysis of industrial data to optimize production and maintenance.

Conclusion

Industry 4.0 is transforming production by connecting equipment, data and artificial intelligence. A phased approach starts with an audit to identify possible improvements, followed by the integration of sensors, IoT protocols and management systems. Leveraging data via BI and AI helps optimise production, anticipate breakdowns and reduce costs. Cloud solutions offer rapid implementation, while local infrastructures ensure better control of data. By combining IoT, AI and automation, companies gain agility and efficiency while securing their operations.

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