{ Our projects and case studies

We specialize in delivering practical and sustainable solutions that address the complex challenges of our clients. Below are case studies showcasing some of our successful projects across various industries.

/ 1 . GBCO2 Balance /

/ 2 . Monitoring of Harmful Substances /

/ 3 . eMobility Platform Development /

/ 4 . Modernizing and Securing a Payment Gateway for Scalable Growth /

/ 5 . Integrated Public Transport System /

/ 6 . Open Sovereign Cloud /

/ 7 . Production Planning Information System (PPIS) /

/ 8 . D-spot /

/ 9 . Rehapiano /

1. GBCO2 Balance

Specialization: industrial production/process digitalization

Description of the project: This environmental project focused on developing a greenhouse gas tracking and reporting system for the customer. The GBCO2 system gathers data, defines calculation rules, and ensures accurate auditing and reporting of greenhouse gas emissions, particularly CO2.

Introduction

The GBCO2 system creates a hierarchical structure of the company’s production units, recording material inputs and outputs. It captures key properties like carbon content, calorific value, and cost, allowing for precise tracking and polynomial balance calculations, including CO2 emissions. As a web-based application, the system offers high availability, supports multiple time zones, languages, and measurement units, enabling global operations to standardize and compare data across regions. Challenge

With the increasing global emphasis on reducing CO2 emissions, Metallurgical Plants faced the challenge of tracking and minimizing their greenhouse gas output. The first step toward this goal was gaining real-time, accurate data about CO2 emissions. The company needed a system that could:

! Perform precise balance calculations for greenhouse gas emissions, primarily CO2.

! Integrate a high level of automation for measuring input factors.

! Monitor the uncertainty of measurements and calculations to ensure accuracy in reporting.

Given the complexity of steel production, the system had to handle extensive data, from raw materials to production output, across multiple plants with varying units of measurement. Solution

To meet these challenges, ESTEN developed the GBCO2 system, a powerful and flexible software solution tailored to the needs of Metallurgical Plants. The GBCO2 system allows the company to create a hierarchical structure of production units and track the flow of materials throughout the production process. The system records essential data such as the quantity, carbon content, calorific value, and cost of materials, enabling precise monitoring and tracking of CO2 emissions. > Key functionalities include:

+ Balance Calculations: The system enables polynomial balance calculations, such as the balance of CO2 emissions released into the atmosphere.

+ Automated Data Collection: It features an automated interface for collecting and processing data from production systems, minimizing human error.

+ Manual Data Entry: In cases where automatic data collection isn't possible, the system supports manual input with seamless integration into the overall calculations.

+ High Accessibility: Developed as a web application, GBCO2 is highly accessible from any location. It supports multiple time zones, languages, and measurement systems, making it a versatile tool for multinational operations. For example, while European plants may input data in metric tons, U.S. operations can display results in short tons, ensuring data consistency across the global enterprise. > Results and Improvements:

+ CO2 Emission Overview: The system provides the company with a clear, real-time overview of CO2 emissions, enabling management to make data-driven decisions on how to reduce emissions and meet sustainability goals.

+ Compliance with EU Regulations: The GBCO2 system meets EU regulatory standards for greenhouse gas reporting. Its outputs have been verified and accepted by independent auditors, ensuring compliance with international environmental regulations.

+ Flexibility for Future Expansion: The system allows for easy customization. Users can add new properties for materials and define new calculations, providing insights into other potential areas of environmental impact or cost savings. > Technology Utilized:

= Custom-developed web application

= Real-time data processing and reporting

= Multilingual and multi-unit support for global use Conclusion

The GBCO2 system has significantly improved Metallurgical Plants’ ability to manage and track its CO2 emissions, providing a robust platform for sustainability initiatives. By ensuring compliance with international standards and offering flexibility for future expansion, ESTEN's solution has empowered the company to make informed decisions and continue innovating in the face of environmental challenges. To learn more about how ESTEN can help your company with similar challenges, feel free to contact us at sales@esten.sk.

general contractor of the project

2. Monitoring of Harmful Substances

Specialization: industrial production/safety & monitoring systems

Description of the project: The Internal Monitoring of Harmful Substances system is a comprehensive solution designed to protect personnel from hazardous gases such as carbon monoxide (CO), hydrogen (H2), oxygen (O2), and methane (CH4). Developed specifically for industrial environments, this system continuously monitors gas concentrations in critical areas, ensuring the safety and protection of workers. With a multi-layered architecture composed of gas detectors, a database server, communication software and visualization workstations, this system operates in real time, delivering high-quality data to prevent hazardous incidents.

Introduction

This internal monitoring system was designed for industrial plants where harmful gases pose a significant risk. It focuses on real-time detection and alarming capabilities for gas concentrations, ensuring safety and compliance with industrial safety standards. The system is structured with three tiers:

+ Lower Layer: Gas detectors and automation systems (Simatic S5 PLCs) that monitor gas concentrations at strategic points. + Middle Layer: A database server and communication software that stores and processes the data. + Upper Layer: Client workstations for data visualization, providing operators with insights into gas levels and potential hazards in real time​. Key Features

+ Real-Time Monitoring: The system continuously monitors gas concentrations through a network of approximately 100 gas detectors. These detectors are strategically located in key areas prone to gas leaks or hazardous gas accumulation. The data collected is transmitted through a secure TCP/IP network, allowing for rapid and accurate analysis.

+ Automatic and Manual Operation Modes: The system can operate autonomously, with alarms triggered automatically when gas concentrations reach unsafe levels. Additionally, manual override capabilities allow operators to intervene and control alarm systems or adjust settings based on real-time conditions.

+ Data Integrity and Continuity: Each programmable logic controller (PLC) operates independently, ensuring that gas detectors continue to function even if communication with the primary system is interrupted. This guarantees continuous monitoring without downtime, a crucial feature for hazardous environments.

+ Visualization and User Control:

= Graphical Interface: The system features a user-friendly graphical interface that visualizes gas concentrations across the monitored facility. Different gas levels are color-coded, allowing operators to quickly identify any areas of concern. = Trend Monitoring: Historical data on gas levels is tracked and presented in graphical or tabular formats, allowing operators to analyze trends, identify maximum concentration levels and respond proactively to potential risks. = Drag-and-Drop Functionality: To ensure ease of use, especially for operators with minimal technical expertise, the system supports intuitive drag-and-drop controls​. Technical Overview

The architecture of the system is designed with a focus on reliability, scalability and efficiency. It operates on modern Intel-based hardware and uses Windows NT as the operating system, with Oracle7 serving as the database for data storage and management. Communication between system components occurs over a TCP/IP network, ensuring fast and secure data transmission.

+ Servers and Clients: Powered by Intel processors, both the servers and client workstations ensure efficient and reliable performance. + PLCs: Simatic S5 PLCs collect real-time data from the gas detectors. + Communication Tools: The system utilizes Microsoft Visual C++ for establishing communication protocols, while PowerBuilder is employed for visualization purposes. + Database: Oracle7 handles the storage and management of all collected data, ensuring seamless access to current and historical records​. Key Results and Improvements

+ Enhanced Safety and Compliance: By providing real-time monitoring of harmful gases and instant alarms, the system ensures regulatory compliance and drastically reduces the risk of workplace accidents related to toxic gas exposure.

+ Improved Operational Efficiency: The automatic alert system prevents potential gas-related incidents by giving early warnings, thereby reducing downtime and ensuring smooth industrial operations.

+ Scalability and Flexibility: The system is highly adaptable, capable of being implemented in both large industrial plants and smaller manufacturing facilities. Its client-server architecture allows it to scale as needed and its multi-threading capabilities support efficient performance in modern production environments.

+ Historical Data and Analytics: The system's ability to analyze historical data helps companies not only react to current issues but also forecast potential risks based on trends and past data, leading to better preventive measures and optimized safety protocols​. Conclusion

The Internal Monitoring of Harmful Substances system is an advanced and cost-effective solution that combines real-time monitoring, reliable data storage and a user-friendly interface to ensure industrial safety. Its integration of Intel-based hardware and Oracle database solutions, along with its multi-threaded, client-server architecture, ensures scalability, high performance and uninterrupted operation. This system represents a crucial investment for industrial plants looking to maintain the highest levels of workplace safety and regulatory compliance​. For more information on how this solution can be tailored to your company’s needs, contact sales@esten.sk. Case Study

general contractor of the project

3. eMobility Platform Development

Specialization: software development/cloud services/microservices architecture migration

Description of the project: The eMobility Platform was developed for one of the largest European energy corporations, serving over 16 million customers through its expanding EV charging network. With electric vehicles being a rapidly growing industry, the existing infrastructure needed to be overhauled to support the projected surge in demand. The solution included a migration to a microservice architecture that would improve scalability and enable the platform to grow seamlessly with the industry. The platform's core functionalities include managing charging station communication, processing charging authorizations, real-time session management, generating invoices, and enabling roaming services for users across various networks. These capabilities are crucial for maintaining an efficient and user-friendly charging network in a highly competitive market.

Introduction

The eMobility Platform developed by ESTEN supports the growing demand for electric vehicle (EV) infrastructure by providing a comprehensive IT solution for managing EV charging networks. As electric vehicle adoption grows rapidly, scalability and efficient management of charging sessions become essential for the platform's success. The system handles critical tasks such as communication with charging stations, charging authorization, session management, invoice generation, and roaming services, all while ensuring seamless user experiences.

The project required the migration of an existing Java EE monolithic application to a Spring Boot-based microservice architecture to enhance scalability and cloud integration. This shift was vital to meet the needs of the rapidly expanding EV market, where the platform currently processes over 250,000 charging sessions each month. Key Features

+ Microservices-Based Architecture: The platform was migrated from a monolithic Java EE architecture to a Spring Boot microservice architecture. This transformation allows for better scalability, ensuring that the platform can accommodate future growth and the increasing number of charging sessions processed monthly.

+ Cloud-Based Scalability: Leveraging cloud infrastructure, the platform ensures high availability and scalability. As the EV market grows, the cloud-based solution can easily scale up to handle more customers, sessions, and charging stations.

+ Roaming Services: The implementation of roaming protocols like OCPI (Open Charge Point Interface) and OICP (Open InterCharge Protocol) enables the platform to interact with other EV charging networks. This allows customers from different charging service providers to seamlessly use the charging infrastructure, enhancing the platform's reach and customer satisfaction.

+ Real-Time Charging Management: The platform manages charging sessions in real time, ensuring smooth communication between the charging stations and the back-end system. Users can monitor their charging status and billing information, making the process more transparent and convenient.

+ Billing and Invoicing Automation: The system automates the generation of invoices and billing for each charging session, ensuring accuracy and efficiency in financial transactions. This is critical for both customer satisfaction and operational efficiency.

+ High Reliability: By utilizing the latest technologies, the system is supported by extensive unit testing and automated testing. These tests ensure high system reliability, minimizing software bugs and operational downtimes. Key Results and Improvements

+ Improved Scalability: The migration to a microservices architecture and integration with cloud infrastructure enables the platform to handle large volumes of charging sessions without performance degradation. The platform is now better equipped to process over 250,000 charging sessions per month and is positioned to scale further as the demand for EV charging grows.

+ Enhanced Customer Experience: The implementation of roaming protocols has increased the customer base, allowing users from different EV networks to utilize the charging stations. This has significantly boosted the platform's reach and usability, attracting more customers and partners.

+ Seamless Cloud Integration: The platform’s cloud environment enables real-time data processing and management, providing users with immediate access to session information and ensuring operational efficiency. This has resulted in reduced downtimes and faster transaction processing.

+ Cost Efficiency through Microservices: The microservice-based architecture allows for isolated development and scaling of individual services, reducing the operational costs associated with maintaining and scaling a monolithic system. This makes future developments and system optimizations more efficient and cost-effective.

+ Automation and Accuracy in Billing: The platform’s automated billing and invoicing features ensure accurate financial transactions, reducing the administrative burden and enhancing trust with customers and partners. Technologies Used

* Spring Boot Microservices: The migration from Java EE to Spring Boot improved modularity and scalability.

* Cloud Infrastructure: Leveraging cloud services for scalability, availability, and data processing.

* Roaming Protocols (OCPI, OICP): Enabling interoperability with other charging networks.

* Automated Testing: Ensuring reliability through comprehensive unit and automated tests Conclusion

The eMobility Platform Development represents a key success story in the EV industry, addressing the unique needs of a fast-growing market. By migrating to a microservice-based architecture, ESTEN delivered a scalable and reliable solution that supports the customer’s expanding EV charging network. The platform now efficiently handles large volumes of charging sessions, offers seamless roaming capabilities, and automates critical tasks like billing and invoicing, ensuring long-term success in the evolving EV industry. For more information, contact sales@esten.sk.

development partner

4. Modernizing and Securing a Payment Gateway for Scalable Growth

Specialization: fintech

Description of the project: Our client, a Switzerland-based online payment gateway provider, was established to support businesses with payment solutions for both B2B and B2C markets. These services spanned various industries, including medical supplies, cosmetics, e-commerce, travel, multi-level marketing, gaming, forex, cryptocurrency and retail. Despite initial success, the existing payment system faced limitations in technical management, scalability and security, necessitating a comprehensive modernization to meet global standards.

Challenge

The primary challenges faced by the client included:

> Limited Technical Expertise: Difficulty in managing and maintaining the existing payment infrastructure.

> Outdated Technology: The original system lacked compatibility with current industry standards and emerging requirements.

> Insufficient Documentation: A lack of robust documentation impeded scalability and compliance.

> Security and Compliance Gaps: An urgent need to integrate secure payment features like 3D Secure (3DS) and achieve PCI DSS Level 1 certification for data security. Solution

Our team embarked on a full-scale modernization project, focusing on future-proofing the payment gateway using cutting-edge technology and cloud infrastructure. The key elements of the solution included:

= Infrastructure Overhaul in Azure: We redeployed the entire payment infrastructure to Azure, ensuring high availability, resilience, and scalability. This move simplified maintenance and laid the groundwork for future growth.

= Development of Payment Gateway v2: We designed and built a new version of the payment gateway using modern technology stacks, enhancing its performance, functionality, and security. The system was seamlessly integrated with existing services, preserving operational continuity.

= Integration of New Providers and Enhanced Security: Over 10 new payment providers were integrated, each supporting 3DS authentication and complying with stringent security measures. This expansion improved client service offerings and increased user satisfaction.

= Documentation and Compliance: Comprehensive documentation was created for infrastructure, processes, and provider integrations. This preparation ensured easy management and scalability for internal teams and was instrumental in achieving PCI DSS Level 1 certification, the highest compliance level for data security.

= Knowledge Transfer and Support: To promote self-sufficiency, we conducted knowledge transfer sessions for the client’s in-house team. This training covered system maintenance, further development, and the integration of new functionalities, such as payment tokenization for recurring transactions. Key Results and Improvements

+ PCI DSS Level 1 Certification Achieved: The new payment gateway met the highest standards for data security, reinforcing trust and reliability.

+ Enhanced Scalability and Flexibility: The Azure-based system provided the client with the capacity to scale operations and add new providers seamlessly.

+ Expanded Provider Options: Supporting over 10 payment providers, the gateway offered a broad range of payment methods, boosting user experience and security through 3DS.

+ Successful Knowledge Transfer: The client’s team was equipped to manage, maintain, and expand the system, reducing dependence on external support. Conclusion

Through strategic modernization, infrastructure upgrades, and enhanced security protocols, we delivered a scalable, high-performance payment gateway that meets stringent global standards. This new system has enabled the client to maintain robust service levels while fostering future innovation and growth within the online payment industry. For additional insights or to discuss how a similar solution can support your organization, please contact sales@esten.sk.

general contractor of the project

5. Integrated Public Transport System

Specialization: Intelligent Transportation Systems/Smart Transport Solutions

Description of the project: The MIMS (Media Inventory Management System) is a robust solution for managing and tracking the lifecycle of smart cards within public transport networks. This system provides operators with full visibility of chip media from acquisition to distribution. MIMS manages both reusable and single-use smart cards, facilitating the smooth flow of media through ticket vending machines (TVMs), customer service terminals (CSTs) and regional distribution centers.

Introduction

The growing complexity of modern public transport systems requires an efficient solution for managing chip media. MIMS was developed to meet these needs by providing real-time insights into the status and movement of smart cards across multiple locations. By ensuring complete visibility over media flow, the system helps operators maintain accurate inventory and prevent operational disruptions due to smart card shortages. Key Features

+ Comprehensive Media Tracking: MIMS tracks smart cards at every stage, from production to issuance to passengers. The system automatically imports card data from manufacturers and allows manual import using readers at customer terminals (CSTs).

+Inventory Auditing: MIMS provides detailed tracking of card movements between storage locations, such as central warehouses, intermediary storage, and sales points (like TVMs). Its auditing capabilities ensure complete traceability of card movements, enhancing transparency.

+Integration with Order Management Systems: MIMS integrates with external systems, including CRM systems, customer portals, and institutional networks. It processes orders for smart cards from customers, institutions, and regional partners, providing real-time feedback on the status of each order (e.g., pending, processing, completed).

+Real-Time Monitoring and Alerts: MIMS sends real-time alerts when inventory falls below a predefined threshold, enabling proactive inventory management and preventing service disruptions.

+Media Lifecycle Management: The system tracks the lifecycle of cards from production to issuance, usage, and disposal. For locations without direct MIMS connectivity, the system automatically marks cards as issued upon receipt, ensuring data accuracy across the network. Key Results and Improvements

+Improved Media Management Efficiency: The centralized system provides real-time insights into the status of smart card inventory across multiple locations, preventing shortages and ensuring continuous availability of cards when needed.

+Enhanced Customer Satisfaction: With real-time media management and timely inventory replenishment, MIMS minimizes downtime for passengers purchasing travel cards, leading to an improved user experience.

+Transparency and Accountability: The auditing capabilities of MIMS ensure that every card movement is recorded, reducing the risk of theft, loss, or fraud throughout the travel media lifecycle.

+Scalability for Future Growth: The modular architecture of the MIMS platform allows for flexible scaling up or down, making it adaptable for public transport networks of various sizes. As the transport network grows, MIMS can manage an increased volume of travel media without compromising performance.

+Automation and Error Reduction: By automating key functions such as inventory updates and order management, MIMS reduces human error and speeds up operational workflows. Technologies Used

> MIMS Web Portal: User-friendly web interface for managing travel cards.

> MIMS Backend: Implements system logic, providing functionality for the web portal.

> MIMS Database: Centralized database for secure data storage and management.

> Integration API: Enables seamless integration with external order systems. Conclusion

The Integrated Public Transport System – MIMS represents a significant innovation in smart card management within modern public transport systems. By providing real-time media tracking, comprehensive inventory auditing, and seamless integration with external order systems, MIMS has greatly improved operational efficiency, customer satisfaction, and accountability for operators. With its scalable and flexible design, the system is prepared to meet the demands of expanding public transport networks worldwide. For more information or to discuss how a similar platform can be customized for your organization, contact sales@esten.sk. ticket-validator

subcontractor of the project for international product and software company

6. Open Sovereign Cloud

Specialization: cloud services/data sovereignity

Description of the project: Data sovereignty is a growing concern for European businesses, especially those operating in regulated industries. With the rise of cloud computing, companies need to access innovative technologies without compromising on data protection laws. The Open Sovereign Cloud offers a secure cloud environment, ensuring data residency, compliance and sovereignty, all while providing access to modern digital services. Powered by Google Cloud’s infrastructure, this solution guarantees that all data is stored, processed and governed under European laws, meeting regulatory requirements without sacrificing performance. Businesses can now take full advantage of advanced technologies like AI, machine learning and big data analytics while ensuring that sensitive information is protected and controlled.

Introduction

The Open Sovereign Cloud, powered by Google Cloud and developed by T-Systems, is a cutting-edge solution designed to meet the complex requirements of European organizations that must comply with stringent data protection regulations such as GDPR. This platform offers public cloud capabilities with full data sovereignty, allowing businesses to store, process, and manage data securely within European borders. The solution combines the flexibility and scalability of Google Cloud with comprehensive governance mechanisms, ensuring that sensitive data remains under European jurisdiction while benefiting from advanced cloud services.

This cloud infrastructure is particularly suited to industries where data security and regulatory compliance are paramount, including healthcare, finance, government services, and other sectors that handle highly sensitive or classified information. By leveraging the Open Sovereign Cloud, organizations can innovate and scale their operations with the confidence that their data remains secure and compliant with European legal frameworks. Key Features

+ Full Data Sovereignty: The Open Sovereign Cloud ensures that all data remains within European borders and is subject to European law, providing full control over data storage, access, and governance. This allows organizations to meet strict data residency and protection standards, especially those outlined in GDPR and other EU regulations.

+ Public Cloud Functionality with Compliance: Offering the flexibility and performance of a public cloud, the platform enables businesses to scale their operations seamlessly while ensuring compliance with local data sovereignty rules. The infrastructure allows for the same operational agility that Google Cloud provides on a global scale.

+ Advanced Security: The platform comes with end-to-end encryption, role-based access control, real-time data monitoring, and comprehensive audit trails, ensuring that data is securely handled and monitored throughout its lifecycle. This is particularly important for industries like finance and healthcare, where data security is critical.

+ Interoperability with Multicloud: Businesses using Open Sovereign Cloud can integrate their existing IT infrastructure with multiple cloud environments. The platform allows easy orchestration and management of workloads across different cloud solutions, providing flexibility in how businesses deploy their IT resources. This avoids vendor lock-in and allows for dynamic, agile responses to changing business needs.

+ Cost Efficiency & Innovation: The solution leverages Google Cloud’s global infrastructure, which helps businesses reduce operational costs by utilizing pay-as-you-go models. At the same time, it provides access to AI, machine learning, and data analytics, enabling companies to accelerate their digital transformation without sacrificing compliance or security.

+ Managed Services and Support: T-Systems provides extensive managed services, ensuring that organizations receive expert support in configuring, managing, and optimizing the cloud infrastructure. This includes assistance with compliance audits, data management, and security monitoring, helping companies focus on their core business while ensuring their data is always protected. Key Results and Improvements

+ Enhanced Data Security and Compliance: The Open Sovereign Cloud enables organizations to meet GDPR requirements and other European data protection laws, providing peace of mind that sensitive information is handled in compliance with industry regulations.

+ Operational Scalability: The platform’s seamless scalability allows businesses to rapidly expand their operations across Europe while maintaining control over their data. This ensures that enterprises can continue to innovate and grow without risking non-compliance.

+ Increased Innovation and Efficiency: By leveraging Google Cloud's advanced technologies, organizations can adopt AI, machine learning, and data analytics to improve their business processes and drive innovation. This is particularly beneficial for industries like healthcare, where rapid advancements in AI can contribute to better patient outcomes and operational efficiency.

+ Real-Time Data Monitoring and Reporting: The built-in monitoring and audit tools enable businesses to keep track of data usage, access, and anomalies in real-time. This proactive approach to data security helps prevent breaches and ensures that companies are fully aware of how their data is being used.

+ Flexible Multicloud Deployment: Companies benefit from multicloud integration, allowing them to distribute workloads across different cloud environments. This ensures flexibility in managing resources while avoiding vendor lock-in, making it easier to adapt to business changes. Technical Overview

The Open Sovereign Cloud is built on Google Cloud’s infrastructure but tailored specifically for the needs of European businesses. It offers a modular architecture, allowing businesses to integrate the cloud into their existing infrastructure while meeting all regulatory requirements.

> Infrastructure: The platform is powered by Intel-based servers and operates on the Google Cloud platform, ensuring reliability, security, and high performance.

> Security Features: Includes end-to-end encryption, role-based access control and multi-factor authentication to secure sensitive data. The system also provides continuous monitoring logging, and auditing to ensure data integrity and compliance.

> Compliance Mechanisms: The platform is designed to comply with GDPR and other European data protection laws, offering automated compliance reporting tools to help organizations during audits.

> Interoperability: The solution supports multicloud environments, allowing businesses to manage and orchestrate workloads across different cloud platforms seamlessly.

> Cost Management: Businesses can optimize costs using Google Cloud’s pay-per-use pricing models while maintaining control over data and ensuring compliance with regulations. Conclusion

The Open Sovereign Cloud powered by Google Cloud is a pioneering solution for European businesses that need to balance data sovereignty, compliance, and innovation. By combining the best of Google Cloud’s infrastructure with robust sovereignty controls, organizations can scale their operations, enhance security, and drive digital transformation without compromising on compliance. With the added flexibility of multicloud environments, businesses can adapt to future challenges while ensuring their data remains secure and compliant with European regulations. For more information or to explore how cloud solutions can support your business, contact us at sales@esten.sk.

project partner

7. Production Planning Information System (PPIS)

Specialization: industrial production/digitalization and optimization of production processes

Description of the project: PPIS is designed to optimize production logistics in continuous manufacturing, where metallurgical specifics - like steel mill casting sequences and the reconfiguration of production lines - are crucial. The system integrates multiple modules to handle the complexities of material flows, capacity planning and order fulfillment, all while ensuring maximum operational efficiency.

Introduction

The Production Planning Information System (PPIS) is a sophisticated solution tailored for the metallurgical sector, particularly in environments where production is closely integrated with supply chains of industrial manufacturers like automotive companies and home appliance producers. Developed for large-scale steel production, PPIS addresses critical operational challenges such as minimizing warehouse stock levels, optimizing production workflows and meeting stringent customer demands for precise delivery schedules. Through real-time monitoring of order statuses and automated early warnings for production issues, PPIS significantly reduces the financial risks associated with late deliveries and production downtime​. Core Modules

+ Material Balance and Allocation Mechanism: At the heart of PPIS is the material balance module, which computes the production flow for each production unit based on the technology and material requirements. It calculates the minimum and maximum production capacity, the weight of production units, dimensions and lead times. Additionally, it manages the allocation of production units between warehouses along the production route.

+ Supply Chain Management (SCM) Module: The SCM module enables autonomous production planning based on customer forecasts, automatically adjusting to demand fluctuations. This ensures that the production process remains aligned with real-time customer needs while maintaining optimal stock levels​.

+ Approval and Change Circles: These features manage communications between sales and production systems, allowing production managers to confirm, counter-propose or reject production schedules based on current capacity and production constraints. The system also tracks changes in production requirements and automatically adjusts production plans accordingly​.

+ Real-Time Monitoring and Alerts: PPIS provides real-time data on production statuses, issuing warnings for any disruptions, such as capacity overloads, equipment malfunctions or unplanned maintenance. This proactive alert system helps prevent delays in the fulfillment of customer orders​. Key Results and Improvements

+ Reduction in Stock Levels: The material balance module efficiently synchronizes production with demand forecasts, enabling the system to minimize unnecessary stock levels and significantly reduce associated storage costs. This real-time alignment between production and demand reduces unallocated inventory across warehouses.

+ Increased Production Efficiency: The PPIS system optimizes the production flow by consolidating orders and streamlining production schedules. This reduces production downtime and minimizes the need for frequent reconfiguration of production lines, particularly in continuous steel production. The system's ability to manage multiple production sequences simultaneously enhances the overall throughput of the manufacturing process.

+ Improved On-Time Delivery: Through its SCM module and automated early warning system, PPIS ensures that production stays on track, preventing delivery delays. This helps companies avoid penalties for late deliveries and improves customer satisfaction by maintaining high levels of service reliability.

+ Integrated Production and Supply Chain Planning: The seamless integration between production planning and the supply chain management system allows for automated adjustments to production schedules based on real-time demand. PPIS's capacity planning module takes into account all relevant factors, such as production equipment availability, planned outages, and unexpected malfunctions, allowing companies to adjust production schedules dynamically. This ensures that production remains uninterrupted even when external conditions change.​ This level of automation reduces the need for manual intervention, leading to faster response times and improved overall coordination. Technical Overview

ISPV is developed with a modular architecture that integrates various components for production planning and supply chain management. The modular design enables flexibility and scalability, allowing companies to customize the system to their specific production needs. Key Components:

+ Material Balance: This module is responsible for calculating the precise production flow, ensuring optimal use of resources while managing material allocation. It handles both transactional and batch processing modes, allowing for individual order balancing or balancing of entire sets of live orders​.

+ Supply Chain Management (SCM): The SCM module automates production planning based on customer forecasts and order statuses, ensuring that customer demand is met efficiently without overproduction​.

+ Alerting and Reporting Systems: TThe built-in alert system notifies production managers of any disruptions in the production process, such as equipment failure or production line shortages, ensuring timely adjustments are made to keep the production flow intact​. Conclusion

The Production Planning Information System (PPIS) offers a comprehensive solution to the challenges of metallurgical production. Its core features, including material balance, supply chain management and real-time alerting, provide manufacturers with the tools they need to streamline their operations. The system minimizes storage requirements, improves production efficiency and enhances real-time decision-making, ensuring that companies can meet customer demands with precision and reliability.

For manufacturers integrated into just-in-time supply chains, PPIS offers a robust, future-proof solution that improves both production performance and supply chain reliability​. For more information please feel free to contact us at sales@esten.sk.

project partner

8. D-spot

Specialization: industrial production/digitalization and optimization of production processes

Description of the project: D-spot integrates different systems into a single application displayed on a large touchscreen. It digitizes processes, simplifies the work of operators as well as managers directly in production. It collects and concentrates data that was previously lost and provides analytical output. This brings multiple benefits, including increased safety, quality, and higher operational profitability, as well as faster employee onboarding.

Introduction In a rapidly evolving industrial environment, continuous innovation is a key factor in maintaining competitiveness. In 2017, our partner decided to implement fundamental innovation strategies focused on process digitalization and the optimization of operational costs, prioritizing production efficiency and product quality enhancement. Challenge With the increase in technology and systems in operation, the complexity of operations intensified, leading to longer training times for operators. This issue became critical in the context of a shortage of skilled labour. Our task was to analyze existing processes, optimize them and digitalize them, aiming to eliminate all paper documents, Excel-managed processes and traditional notice boards. Solution: Implementation of D-spot Our response to the challenge involved the design and implementation of an advanced system called D-spot (Digital Spot). This system integrates various operational platforms into a single intuitive interface displayed on a large touchscreen. > Key Features of D-spot: + Process Digitalization: Fully replaces traditional paper and Excel documents with digital outputs, eliminating errors and increasing the speed of information access. + Data Centralization: Enables the consolidation and processing of data that was previously lost or unorganized, enhancing transparency and traceability of processes. + Analytical Tools: Provides advanced analytical outputs that support decision-making at all management levels, contributing to increased efficiency and profitability. > Results and Improvements The implementation of the D-spot system brought significant improvements across various areas: + Cost Optimization: = reduction in operational costs: By replacing MS Windows licenses, we achieved savings on IT expenditures. = efficient use of space: The reduction of the need for physical boards and documentation freed up valuable space in production. + Time and Resource Savings: = minimization of manual processes: The system simplified operators’ work, leading to shorter training times and more efficient daily operations. = reduction in printing costs: The elimination of the need for paper and toner resulted in significant savings in material costs. + Increased Quality and Safety: Centralized distribution of notices and data improved internal communication and ensured quick access to important information for all employees. Conclusion The digitalization and optimization of production processes that we implemented for our partner proved to be crucial for securing competitiveness in the modern industrial environment. The D-spot system not only transformed processes but also strengthened an organizational culture focused on efficiency and innovation.

For more information on how we can assist your company with similar challenges, please feel free to contact us at sales@esten.sk.

general contractor of the project

9. Rehapiano

Specialization: healthcare sector/medical devices

Description of the project: Rehapiano is an innovative solution designed to address the diagnosis and rehabilitation needs of patients suffering from fine motor impairments in the upper limbs. Developed through a collaborative effort between ESTEN s.r.o., the Faculty of Electrical Engineering and Informatics at the Technical University of Košice and the L. Pasteur University Hospital, this project is targeted at patients with neuromuscular diseases and peripheral impairments, including those recovering from strokes, living with Parkinson’s disease, multiple sclerosis and other neurological disorders affecting motor function.

Introduction

The Rehapiano system integrates precision diagnostics with adaptive rehabilitation, making it a robust tool for medical professionals. The device measures the forces applied by individual fingers using strain gauges with a precision of ±0.1g at a sampling rate of 70Hz. This level of accuracy allows clinicians to evaluate muscle performance in patients and isolate specific motor deficiencies.

The device collects key data points such as muscle strength, tremor frequency, and response times. This data is transmitted via a microcontroller and processed by cloud-based software, where advanced algorithms analyze patient performance and offer real-time feedback. Key Features

+ Hierarchical Data Structure: Rehapiano creates a detailed structure of patient data that enables clinicians to monitor both input and output metrics. These include carbon content, calorific value, and tremor analysis, helping track physical improvements and the effects of therapy.

+ Adaptive Rehabilitation: Patients engage in AI-modified exercises that adapt to their capabilities. The incorporation of gamified therapy enhances patient motivation by providing stimulating and engaging exercises. These games are designed to combat the repetitive and often exhausting nature of rehabilitation, thus improving adherence.

+ Multifunctionality: Rehapiano can be used in neurological clinics, home rehabilitation, and even as an alternative game controller for individuals with motor impairments, showcasing its versatility across different care environments. Clinical Applications

Rehapiano is specifically engineered for patients suffering from neuromuscular and motor system impairments, such as:

+ Stroke Recovery: Addressing coordination disorders, muscle paresis, and spasticity, Rehapiano offers detailed insight into motor function recovery.

+ Neurodegenerative Diseases: Conditions like Parkinson’s disease, where tremor control and muscle strength decline, are assessed and managed through precision force measurements and continuous tracking.

+ Post-Traumatic Conditions: Rehapiano also supports patients recovering from soft or hard tissue injuries by evaluating the efficacy of rehabilitation therapies and enabling real-time progress tracking. Key Results and Improvements

+ Precision in Diagnostics: Rehapiano’s high sampling rate and accurate data collection allow clinicians to perform detailed motor assessments and isolate symptoms such as reduced muscle strength or unusual muscle oscillations. These assessments support diagnoses for conditions like Parkinson’s tremor and stroke-related muscle dysfunction.

+ Adaptive Rehabilitation through Gamification: The system incorporates AI-modified rehabilitation exercises to meet individual patient needs. These exercises, presented in a gamified format, enhance neuroplasticity and improve patient engagement. Games such as "Flying with Friends" have been shown to increase motivation, helping patients adhere to long-term therapy programs.

+ Cloud-Based Data Analytics: Rehapiano offers remote monitoring and data storage capabilities, making it easier for clinicians to track patient progress over time. The cloud infrastructure also allows for data retrieval across multiple devices, supporting the continuity of care.

+ International Accessibility: Designed as a web-based application, Rehapiano supports multiple languages, time zones, and measurement systems, making it suitable for global healthcare operations. This functionality allows healthcare providers to track progress consistently across different regions, ensuring accurate assessments regardless of local conditions. Conclusion

Rehapiano has a potential to transform the landscape of motor skill rehabilitation and diagnostics by combining cutting-edge technology with practical, patient-centered solutions. Its precise diagnostic tools, AI-enhanced rehabilitation and cloud-based infrastructure provide a comprehensive platform that improves patient outcomes, enhances clinician efficiency and ensures scalability for use in diverse medical settings. This project is a testament to the future of motor rehabilitation, leveraging technology to optimize patient care and advance recovery. For more information, visit Rehapiano or feel free to contact us at sales@esten.sk.

partner project with Technical university of Košice and Louis Pasteur University Hospital in Košice

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Photo of Pavol Hižnay

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sales@esten.sk