Mattmann, Ilyas ; Gramlich, Sebastian ; Kloberdanz, Hermann (2015):
The Malicious Labyrinth of Requirements - Three Types of Requirements for a Systematic Determination of Product Properties.
5, In: Proceedings of the 20th International Conference on Engineering Design (ICED15),
Milan, Italy, International Conference on Engineering Design (ICED15), Milan, Italy, 27.-30. Juli 2015, [Conference or Workshop Item]

Abstract

Product designers face the challenge of translating customer needs and expectations into requirements in order to define the appropriate desired product properties which satisfy customers. Different conceptual definitions of requirements exist. The definitions allow a large space for interpretation and are partially contradictory to each other, for which reason it lacks a differentiated conceptual understanding.

Therefore, the paper presents the results of a systematic literature analysis of existing conceptual definitions in the field of requirements by analysing their causal dependencies. Often, the terminology is addressed to the purpose which is pursued by requirements in development processes. The paper provides a critically reflected conceptual differentiation of existing terms in the field of requirements. Resulting from the differentiated conceptual understanding, three different types of requirements are distinguished. They support an effective transformation of requirements into the desired product properties. Thus, a valuable basis for a methodological support of the requirement acquisition process is provided.

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