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Item type:Publication, Access status: without files , Interface standardization and cost of complexity assessment: enhancements to the impact model of modular product familiesThis contribution proposes two complementary extensions to the established Impact Model of Modular Product Families to improve the economic assessment of modular architectures. The first extension addresses the model’s input parameters by explicitly incorporating interface standardization and directly linking modularity characteristics to life‑cycle‑specific economic target values. This enhances the traceability between development decisions and their economic effects. The second extension expands the set of economic target values by introducing variety‑induced Cost of Complexity as a dedicated dimension, integrating time‑ and cost‑related impact chains into a consolidated cost perspective. To support systematic identification and prioritization of relevant cost effects, a Cost Impact Matrix is introduced, mapping causal impact chains to generic, company‑independent cost categories. Together, these extensions strengthen the analytical power of the Impact Model and provide a more transparent basis for early‑stage evaluation and decision‑making in modular product family development.Publicationtype: Conference Paper8 - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Access status: without files , A model-based approach for variety-oriented interface design in modular product familiesThis paper addresses the challenge of managing internal variety in modular product families by explicitly considering interfaces as a central design variable. While existing product development and modularization approaches primarily focus on components, functions, or their interactions, the variety of interfaces is often neglected, despite its significant contribution to internal complexity without increasing customer value. To overcome this limitation, the paper proposes a structured and methodical approach for variety-oriented interface design that integrates interface variety into the product development process. The approach comprises three main steps: the definition of objectives and systematic capture of the current state, the identification and analysis of relevant interfaces based on defined evaluation criteria, and the targeted design of variant-oriented interfaces. Furthermore, a model-based representation is introduced to enable consistent documentation, visualization, and evaluation of interfaces and their interdependencies. This supports transparency in decision-making and facilitates the comparison of alternative interface designs.Publicationtype: Conference Paper7