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I4S 5/2026: Organizing Work and Securing Expertise Through AI

I4S 5/2026: Organizing Work and Securing Expertise Through AI

How we make industrial work and organizational processes more resilient with AI
Artificial intelligence is transforming knowledge work. Diagnosis, decision-making, and optimization are increasingly shaped by the interaction between humans and AI. As a result, AI proficiency is becoming a competitive factor, although technical expertise—the foundation of industrial performance—must not be lost. This issue explores the potential of AI in manufacturing as well as the skill requirements for AI-based knowledge management.
Competence Assurance for the Verification and Validation of Simulation Models

Competence Assurance for the Verification and Validation of Simulation Models

Requirements for AI-supported assistance in production and logistics
Sigrid Wenzel ORCID Icon, Felix Özkul ORCID Icon, Robin Sutherland ORCID Icon
Can artificial intelligence be used to assess the validity and credibility of simulation models and data for production and logistics? And what requirements must AI assistance meet to effectively support experts in verification and validation while simultaneously safeguarding their competence? In an online survey, simulation experts were asked regarding their expectations and needs.
Industry 4.0 Science | Volume 42 | 2026 | Edition 5 | Pages 24-33 | DOI 10.30844/I4SE.26.5.3
I4S 4/2026: Dynamics of Digitally Networked Value Creation Systems

I4S 4/2026: Dynamics of Digitally Networked Value Creation Systems

The whole is greater than the sum of its parts—exploring digital ecosystems together
Digital platforms and data spaces are transforming industrial value creation and creating new opportunities for cross-organizational collaboration. At the same time, new requirements are emerging regarding data sovereignty, security, and governance. This issue of Industry 4.0 Science provides insights into the DynaVer research program, in which 15 interdisciplinary projects are investigating the dynamics of digitally networked value creation systems.
Open Source as Enabler for Smart Data Ecosystems

Open Source as Enabler for Smart Data Ecosystems

How collaboration shapes sovereignty and interoperability across industrial applications
Anna Maria Schleimer ORCID Icon, Julia Pampus ORCID Icon
From automotive supply chains to smart factories, data ecosystems promise seamless collaboration across company boundaries. But how can industries build the necessary infrastructure without creating new dependencies? This article explores how open-source software can serve as a foundation and impactful tool for sovereign, interoperable technologies and standards. Yet, open-source software is not a silver bullet; rather, it poses challenges for digital sovereignty in burgeoning data ecosystems.
Industry 4.0 Science | Volume 42 | 2026 | Edition 4 | Pages 6-13 | DOI 10.30844/I4SE.26.4.1
MAKI—A Digital Assistant for Practice-Based Learning

MAKI—A Digital Assistant for Practice-Based Learning

Why every factory is a learning factory
Olaf Resch ORCID Icon
With the help of digital assistants, academic teaching is possible in any factory. In order to achieve the best learning effects, however, the interests of all stakeholders must be taken into account. The factory wishes to deploy its employees quickly and productively, the learners desire a positive learning experience, and the educators want to illustrate abstract concepts in a meaningful and practical way. The only way to combine all of these perspectives is via a well-thought-out educational concept and highly functioning technology.
Industry 4.0 Science | Volume 42 | 2026 | Edition 2 | Pages 70-77
Conducting Experiments in Hybrid Learning Factories

Conducting Experiments in Hybrid Learning Factories

The example of the InTraLab Potsdam
Industrial production is undergoing rapid transformation through digitalization, automation and cyber-physical systems, creating new competence requirements for employees. Learning factories provide experiential environments for developing these competences. This article presents the Industrial Transformation Lab (InTraLab) as a hybrid learning factory combining physical demonstrators and digital simulations.

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Industry 4.0—Progress and Digitalization in Limbo

Industry 4.0—Progress and Digitalization in Limbo

Status of sustainable transformation and digitalization in production engineering
Christian Donhauser ORCID Icon, Daniel Riepl
Digitalization projects help users represent complex processes more simply and efficiently. However, there are many obstacles to implementation. Reluctance to implement these projects is palpable. This affects, among others, employers and employees, who may fall behind economically by waiting or avoiding change. These observations can be traced back to an overarching research question: What barriers and systemic challenges hinder sustainable transformation within the context of Industry 4.0, particularly when considering human labor in production engineering? What questions are the affected stakeholders asking? The primary goal of this long-term research project is to define these questions decisively and in detail in order to develop a conceptual foundation that integrates research, teaching, and technological development and thus combines the potential of digital technologies with the experiential and practical knowledge of production workers.
Industry 4.0 Science | Volume 42 | 2026 | Edition 3 | Pages 56-60
AI-Powered Lubrication Strategies for Thread Forming

AI-Powered Lubrication Strategies for Thread Forming

Adaptive spray jet control to increase process reliability and tool life
Reinhard Schmied, Marco Susic, Christian Donhauser ORCID Icon
Thread forming requires precise lubricant application because high contact pressures and process temperatures strongly influence tool loading, friction, and process stability. Although minimum quantity lubrication (MQL) systems are widely used, current spray-based approaches can still suffer from spray losses, insufficient wetting of the thread grooves, and unstable droplet transport. This article presents a concept for adaptive precision lubrication in thread forming based on computational fluid dynamics (CFD)-supported flow analysis, experimental validation, and artificial intelligence (AI)-assisted optimization. The focus is on droplet size, spray jet geometry, nozzle position, ambient flow conditions, and their influence on wetting intensity. Preliminary simulation-based investigations indicate that data-driven optimization can help identify wetting deficiencies and support the development of future control strategies for resource-efficient lubricant application.
Industry 4.0 Science | Volume 42 | 2027 | Edition 3 | Pages 76-83
Optimized Manual Processes in Automotive Production

Optimized Manual Processes in Automotive Production

A module-based approach for the efficient creation of work system simulations
Barbara Brockmann, Tobias Jurk, Beate Stoffels, Jochen Deuse ORCID Icon
In the manufacturing industry, the integration of digital human models into the product development and manufacturing process is becoming increasingly important. Particularly in assembly, which is characterized by a high proportion of manual tasks, motion simulations enable a realistic representation of human work and thus make a significant contribution to the evaluation of motion economy, process validation, and efficiency improvement. However, widespread application in production planning faces various challenges, such as the high initial effort required to create human simulations as well as volatile planning conditions. This article presents a practice-oriented solution from the automotive assembly sector that enables the creation of simulations with reduced effort as well as their early and consistent use in the planning process.
Industry 4.0 Science | Volume 42 | 2026 | Edition 3 | Pages 48-55
Application Potentials of Chinese Knowledge Platforms

Application Potentials of Chinese Knowledge Platforms

Digital platforms for knowledge transfer in research and education
Yunhao Su, Martin Braun ORCID Icon
Knowledge drives innovation, which is why digital platforms are increasingly used for knowledge transfer. The People’s Republic of China (PRC) is a global leader in digitalization and digital platforms are central to Chinese knowledge transfer and innovation systems. This study supplements theoretical concepts of knowledge transfer with empirical findings on the (further) development of relevant knowledge platforms. It examines the influence of specific design features on the functionality and quality of digital knowledge platforms. A literature review identifies seven condensed success criteria. Nine leading Chinese knowledge platforms are categorized based on their transfer logic and functional scope. Online survey participants assess the platform-specific manifestations of the identified criteria and highlight potential and areas for improvement in platform-based knowledge transfer.
Industry 4.0 Science | Volume 42 | 2026 | Edition 3 | Pages 84-93
SmartBending—Inline Measurement for Process Correction

SmartBending—Inline Measurement for Process Correction

Inline process optimization for error compensation in swivel bending
Christian Donhauser ORCID Icon, Reinhard Schmied, Marco Susic
Swivel bending is an established forming process that minimizes material loss and enables efficient use of resources. However, the process requires complex optimizations that have traditionally relied heavily on the expertise of machine operators. This results in significant time and material costs, as optimization steps are performed iteratively. Given the shortage of skilled workers, a technological upgrade of the machines in line with Industry 4.0 is necessary. As part of a research project, intelligent sensor technology was used to record critical influencing factors that reveal correlations between product defects and machine deformations. Based on this, a methodology was developed that forms the foundation for inline compensation, enabling the equipment to autonomously adjust process parameters to correct product defects and, in the long term, enable defect-free production from the very first component.
Industry 4.0 Science | Volume 42 | 2026 | Edition 3 | Pages 134-141
Digital Twin Technology and Architecture

Digital Twin Technology and Architecture

A synthesis of concept and practice
Arka Mukherjee ORCID Icon, Shibaji Chandra ORCID Icon
Digital twins are a key enabling technology of the fourth industrial revolution, integrating physical systems with their digital counterparts to create intelligent, data-driven environments. This conceptual/practice-oriented paper examines how to establish a modern architectural framework for digital twins leverages modern tech-stack like IoT, Data Fabric, AI/ML, seamless integration and enterprise grade security. The paper is grounded in an abundance of literature by leading vendors and analysts in space. It offers a comparative study of different vendors implementing the solution stack in the proposed architecture.
Industry 4.0 Science | Volume 42 | 2026 | Edition 3 | Pages 114-122

Current issue

Open Access

Tacit Talk

Tacit Talk

A speech-based hybrid AI system for capturing tacit maintenance knowledge
Vincent Philipp Brandhoff ORCID Icon, Philipp Besinger, Joscha Zaremba ORCID Icon, Daniel Valtiner ORCID Icon, Michael Necemer ORCID Icon, Safa Omri ORCID Icon, Jens Neuhüttler ORCID Icon, Fazel Ansari, Katharina Hölzle ORCID Icon
The tacit expertise required for industrial maintenance is increasingly at risk due to demographic change and system complexity. This article presents Tacit-TALK, a speech-based system that externalizes tacit knowledge through AI-guided conversation. Spoken input is transcribed, analyzed by large language models (LLMs), and persisted in a knowledge graph, linking new insights to existing organizational data. Using a design science research process grounded in sociotechnical theory and instantiated for semiconductor maintenance, the article contributes design principles for AI-supported tacit knowledge capture derived from value-based stakeholder engagement, a reference architecture combining LLMs with knowledge graphs, and preliminary prototyping insights into user acceptance and organizational implications.
Industry 4.0 Science | Volume 42 | 2026 | Edition 5 | Pages 82-90 | DOI 10.30844/I4SE.26.5.16
Interoperable Data Access in Automotive Body Manufacturing

Interoperable Data Access in Automotive Body Manufacturing

Deterministic integration of structured target parameters into tact-time production
Tim Richter ORCID Icon, Robert Weidner ORCID Icon
AI has long been capable of analyzing production processes, yet why is it still so difficult to bring its insights back into production without intermediate steps? In automotive body-in-white mass production, the challenge is less a lack of data than the absence of holistic integration concepts that extend all the way to the machines. This paper demonstrates why bidirectionally communicative information systems are critical to addressing this challenge and identifies the design principles required to effectively integrate AI-generated results into production processes in the future.
Industry 4.0 Science | Volume 42 | 2026 | Edition 5 | Pages 34-42 | DOI 10.30844/I4SE.26.5.4
Audio-Immersive Learning in Continuing Vocational Education

Audio-Immersive Learning in Continuing Vocational Education

From linear audio playback to AI-supported conversational learning companions
Tim Beichter, Vanessa Hartmann, Katharina Hölzle ORCID Icon, Manuel Kaiser
Artificial intelligence is increasingly shaping continuing vocational education and training by enabling the personalization of individual learning experiences. At the same time, audio-based learning formats are attracting growing interest among learners because of their flexibility and suitability for workplace learning. However, a conceptual framework for AI-supported audio learning, as well as the potential of combining artificial intelligence with audio-based learning, has received little attention to date. This paper therefore presents a conceptual perspective on the design possibilities and educational potential of AI-supported audio learning formats.
Industry 4.0 Science | Volume 42 | 2026 | Edition 5 | Pages 102-108 | DOI 10.30844/I4SE.26.5.12
Generative AI in Organizational Knowledge Management

Generative AI in Organizational Knowledge Management

AI literacy as a prerequisite for augmentation
Uta Wilkens ORCID Icon, Valentin Langholf ORCID Icon, Niklas Obermann ORCID Icon
Generative Artificial Intelligence (GenAI) offers new opportunities for organizational knowledge management, particularly when it comes to learning processes at the interface between explicit, firm-specific, and tacit knowledge. Its use is therefore of particular interest for application areas such as industrial maintenance. Based on a mechanical engineering case study, this article demonstrates that augmenting both processes and employees with GenAI requires AI literacy combined with professional skills.
Industry 4.0 Science | Volume 42 | 2026 | Edition 5 | Pages 118-126 | DOI 10.30844/I4SE.26.5.14
AI-Based Identification of Knowledge Transfer Situations

AI-Based Identification of Knowledge Transfer Situations

An adaptive multi-agent system for agile product development in engineering
Georg David Ritterbusch ORCID Icon, Ravil Goetzke, Norbert Gronau ORCID Icon
Although it has been demonstrated that organizational knowledge transfer can be improved in principle, there is still no automated approach for identifying patterns in complex, context-dependent, and domain-specific knowledge transfer situations. This conceptual article therefore examines and characterizes knowledge transfer situations using the real-world example of product development in engineering. Furthermore, a concept for an adaptive, AI-based, real-time multi-agent system uses data to recognize recurring patterns in knowledge transfer situations and enables context-sensitive interventions. Finally, an outlook is provided on AI-based learning mechanisms (reinforcement learning) that can be used to adapt interventions for higher effectiveness in the long term.
Industry 4.0 Science | Volume 42 | 2026 | Edition 5 | Pages 110-116 | DOI 10.30844/I4SE.26.5.13
Systematically Planning Vertical Factories

Systematically Planning Vertical Factories

Developing factory types as a foundation for intelligent planning support
Nikolaus Kremslehner ORCID Icon, Sebastian Schlund ORCID Icon, Wilfried Sihn
Vertical factories reduce land use and harness the advantages of urban production. However, their multi-story structure significantly increases planning complexity. To counter such effects, this paper presents a typology that combines proven solutions for recurring challenges in the planning and operation of vertical factories. Relevant characteristics were examined using real-world case studies and structured within a morphological framework. This framework was consolidated into factory types that provide guidance for conceptual planning and serve as the foundation for intelligent planning support.
Industry 4.0 Science | Volume 42 | 2026 | Edition 5 | Pages 68-76 | DOI 10.30844/I4SE.26.5.6
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