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This paper addresses the problem of integrating circular economy (CE) principles into production planning processes in high-mix manufacturing environments. Although environmental indicators are increasingly monitored in industrial practice, their role in operational planning decisions remains limited. In many cases, data collection is not followed by its effective use in decision-making processes. The aim of the paper is to present an author-developed conceptual approach that enables the transition from monitoring...

In the era of Industry 4.0, IoT technologies are fundamental for enabling real-time monitoring, operational transparency, and resource efficiency in industrial environments. This paper presents an IoT-based system for monitoring Overall Equipment Effectiveness (OEE), integrating machine-level data to assess availability, performance, and quality in production processes. By combining OEE metrics with real-time energy consumption data, the system supports circular economy goals through reduced energy usage per unit,...

Digitalization and the concepts of Industry 4.0 undoubtedly contribute to companies' competitive advantage, which can be achieved, among other things, by improving the efficiency and stability of the production process through their implementation. The main purpose of the article is to demonstrate the impact of digitization on the most important indicators of production efficiency using the example of a student project of a production line simulation system, implemented by the Student Scientific Circle of Manageme...