Verbesserung von Effizienz und Zuverlässigkeit der Produktentwicklung durch adaptives Anforderungsmanagement

  • Improvement of efficiency and reliability of product development through adaptive requirements management

Pickshaus, Tobias; Schmitt, Robert H. (Thesis advisor); Jacobs, Georg (Thesis advisor)

1. Auflage. - Aachen : Apprimus Verlag (2022)
Book, Dissertation / PhD Thesis

In: Ergebnisse aus der Produktionstechnik 30/2021
Page(s)/Article-Nr.: 1 Online-Ressource : Illustrationen, Diagramme

Dissertation, RWTH Aachen University, 2021


Product development is a key task of producers of industrial goods that greatly affects a company’s success and business model. As of today, the development of physical products underlies great technical and financial risks that lead to delayed market entries, higher costs, error-prone products, or project aborts. In early development phases these unwanted results often originate from deficient control of complexity within the development process and an insufficient allocation of resources to development activities. Consequentially, shifting resources to those activities, also called frontloading, should be widely disseminated in these companies. Yet a study in Germany finds that especially medium-sized enterprises of the machinery and equipment sector greatly lack competence in the field of requirements management. Reasons can be found in the complex alignment of an individual requirements management system for a company with an appropriate software solution. This is further complicated through the difficulty to estimate the true initial and recurring costs for the establishment of such a requirement management system. The goal of this thesis is the derivation and development of a model that proposes an adaptive and integrated requirements management system based on company specific and product specific influence factors. In essence, the question is pursued how a requirement management system should be designed, so that it establishes an optimal level of complexity. The adaptive character of the proposed model makes it applicable to product development environments of medium-sized companies. Process design is part of the model, so any existing requirements management processes can be adapted. To assess the benefit of an individually designed requirements management system, this thesis introduces its own parameters that embody ‘efficiency’ and ‘reliability’. These parameters enable measurability and can be used in self-assessment. This is consequentially applied to the use cases that were designed to validate the model of the thesis. Therefore, two different industrial use case scenarios based on the proposed model were simulated and analysed. The result of this thesis is an integrated model for establishment and application of a requirements management system that can lead companies to improving efficiency and reliability of product development.