10. QFD method uses cascading Houses of Quality Voice of the customer Customer Requirements Part Characteristics Engineering Characteristics Process Characteristics Product Planning Part Design Process Planning Production Planning Production Characteristics
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21. Tech Req. levels A A NA A Sub-Req.3 A NA A A Sub-Req.2 NA A A A Sub-Req.1 Level 4 Level 3 Level 2 Level 1 Sub-Req.
24. Summary of Design Concepts Numbers in the cells represent the level of each requirement. Numbers in first row are the design concept number. * concept 7 represent current practice.