Requirements quantification through requirements list

Activities

• Activity 1: Clarifying and itemising the problem or Task
• Activity 2: Determining functions and their structures
• Activity 3: Searching for solution principles and their solutions
• Activity 5: Subdivision into modules - interface definitions
• Activity 7: Integrating the product as a whole
• Activity 8: Elaborating the details of execution and use
• Activity 9: Assurance of the fulfilment of the requirements

Necessary tools

• Aaybe IT support is needed due to document size and quantity

Description

Important technical properties are listed in a list of requirements as well as wishes and minimum requirements. In the context of product development, the requirements list is the result of the customer's requirements, after consideration of the manufacturer's implementation. The requirements list is used in further work steps. Looking back, this can also be used to quantify the fulfillment of requirements.

Procedure

1. Gathering the requirements
2. Classifying the requirements, for example according to responsibilities, life cycle phase, technical-economic or organizational requirements, importance
3. Document the requirement in the requirements list
4. Filling out the individual requirement with name, characteristic, form, responsibility, date
5. Maintain requirements list continuously during the development project

Sources

• Ehrlenspiel and Meerkamm 2017, p. 494-495
• Pahl u. a. 2007, p. 182, 195, 212-230
• Lindemann 2009, p. 246
• VDI 2221 (1993)