10.18453/rosdok_id00004605 Westphal, Erik Erik Westphal http://d-nb.info/gnd/1333065299 https://orcid.org/0000-0002-4514-9445 Universität Rostock 2023 600 Technology (Applied sciences) 620 Engineering & allied operations 670 Manufacturing 2023 en https://purl.uni-rostock.de/rosdok/id00004605 urn:nbn:de:gbv:28-rosdok_id00004605-6 This thesis examines technological innovations in the context of process digitalisation and develops a digital quality assurance system for additive manufacturing based on specific artificial intelligence (AI) methods and blockchain technology to enable more reproducible and predictable AM processes and parts. To this end, this cumulative work considers the implementation of special AI algorithms, a digitalised quality management system based on blockchain and the combination of both into a real-time digital quality assurance system for AM as three main areas of investigation.