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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
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.
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
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
Explaining AI in Industrial Production in an Accessible Way

Explaining AI in Industrial Production in an Accessible Way

Requirements for AI demonstrators to promote acceptance
Jennifer Link ORCID Icon, Markus Harlacher ORCID Icon, Colin Srebny, Sascha Stowasser ORCID Icon
Artificial intelligence (AI) offers a wide range of possibilities in industrial production, but it also presents challenges regarding employee acceptance. AI demonstrators are therefore of central importance, as they enable hands-on experience with AI. However, there has been a lack of systematically identified requirements for demonstrators that specifically promote acceptance and address negative emotions. Using a multi-stage research design, 69 requirements were identified, structured into functional requirements, quality requirements, and boundary conditions.
Industry 4.0 Science | Volume 42 | 2026 | Edition 5 | Pages 6-14 | DOI 10.30844/I4SE.26.5.1
AI-Based Building Inspection for Large Structures

AI-Based Building Inspection for Large Structures

A new approach to construction progress monitoring
Jan Sender, Konrad Jagusch, Michael Geist ORCID Icon, David Jericho ORCID Icon, Christian Scharr ORCID Icon
Monitoring construction progress, as required in the one-off production of large structures, is very time- and labor-intensive due to a high level of complexity and individuality. The goal of this article is to develop a sensor-based approach for capturing and evaluating multiple inspection characteristics. The use of machine learning models to detect objects and derive relevant information forms the basis for linking current condition to construction schedule. This enables a significant increase in efficiency during construction progress monitoring and a well-founded assessment of progress.
Industry 4.0 Science | Volume 42 | 2026 | Edition 5 | Pages 78-84 | DOI 10.30844/I4SE.26.5.9
Experiential Knowledge Powered by AI 

Experiential Knowledge Powered by AI 

Practical insights from industry
Martin Schmauder ORCID Icon, Gritt Ott ORCID Icon, Bianca Windisch
The use of experiential knowledge is a key success factor for companies. Based on four corporate case studies, this article analyzes the technical, organizational, and personnel challenges associated with the use of retrieval-augmented generation (RAG) systems. The results show that the success of such systems depends on the strategic development and maintenance of the knowledge base, as well as on employee engagement.
Industry 4.0 Science | Volume 42 | 2026 | Edition 5 | Pages 128-135 | DOI 10.30844/I4SE.26.5.15
Inclusive Work System Design

Inclusive Work System Design

Automation, standardization, and adaptability
Sebastian Schlund ORCID Icon
The design of inclusive work systems is gaining importance due to demographic change and the increasing digital penetration of value creation processes. While traditional ergonomic approaches are based primarily on percentile logic and thus address only a portion of the user population, the integration of digital technologies opens up new possibilities for the dynamic and individualized adaptation of work systems. This article presents a conceptual framework for inclusive work system design that integrates standardization, automation, and adaptability. Methodologically, the article is based on a conceptual analysis of existing approaches from ergonomics and human-centered design. The article makes a theoretical contribution to the systematization of inclusive work system design and identifies areas of focus for further research and industrial practice.
Industry 4.0 Science | Volume 42 | 2026 | Edition 5 | Pages 70-76 | DOI 10.30844/I4SE.26.5.8
Work Design in the Use of Autonomous Systems

Work Design in the Use of Autonomous Systems

Addressing the shortage of skilled workers
Tim Jeske ORCID Icon, Sascha Stowasser ORCID Icon, Nicole Ottersböck, Sebastian Terstegen, Rasmus Adler ORCID Icon
Companies are increasingly challenged to address shortages of skilled workers while meeting rising demands for productivity, flexibility, and innovation. Because labor supply can only be expanded to a limited extent, there is a growing focus on designing work systems with productivity in mind. Autonomous systems offer significant potential in this regard. Their implementation requires not only technical adjustments but, above all, changes in organization, skills, and work design. This article analyzes empirically grounded change requirements in existing work systems as well as associated economic potential.
Industry 4.0 Science | Volume 42 | 2026 | Edition 5 | Pages 44-50 | DOI 10.30844/I4SE.26.5.5
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