New societal challenges influence product development on different levels, from business strategies of companies to engineering activities. For instance, the extension of product centered development to Product-Service Systems including products, services, infrastructure, business models etc. demand specialists of different domains regarding the development of such solutions. Therefore, transdisciplinary team work is not an academic concept, but a necessity in practice. Besides classical challenges regarding team work, transdisciplinary teams have to face differences in the mutual understanding of development concepts, thus, resulting in misunderstandings. The research group Rethinking Prototyping focusses on prototyping processes, in particular by integrating different approaches and analyzing future potential of prototyping. The main idea is to bring different perspectives into collision to learn from each other and develop a common understanding of prototyping

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By offering Industrial Product Service Systems (IPS 2 ) to their customers companies differentiate themselves from their competitors. However, companies are still facing the problem of a more complex and challenging development process which causes an increasing demand for new methods and tools for the integrated development of products and services. Although a generic PSS development process [4] has been developed within the scope of the Collaborative Research Center Transregio 29 (CRC TR29) to provide guidance for IPS 2 development, a method for operationalizing this generic process and therefore supporting companies in planning integrated IPS 2 development projects, is still missing. To overcome this shortcoming, a method for operationalizing the mentioned generic PSS development process was developed within the CRC TR29. This method describes a systematic approach for transferring the generic PSS development process into concrete project plans considering project specific boundary conditions within a project management software. Basis of the operationalization is the process-based PSS Development Project Management approach [3], which enables a straightforward, standardized and consequently a complete and high quality project plan. In this paper, the method for operationalizing IPS² development process will be lilustrated by a test case of a crane manufacturer.

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