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novel / unprecedented functions Hauser and Clausing, 1988, “The House of Quality”, Harvard Business Review. Plan for the Session ? What is rationality? ? Quality Function Deployment –What is it for? What is it not for? –What is it? How do you use it? –Does it work? ? Next steps “Rooms” in the House of Quality Figure adapted from Lou Cohen. Correlations Engineering Characteristics Relationships Customer Attributes Customer Perceptions and Benchmarking Objective Measures Importance Ratings Targets Adapted from Hauser and Clausing. Customer Attributes (CAs) ? CAs= phrases “customers” use to describe the desired product –Who are the “customers”? ? Try to preserve the “voice of the customer” by using their language –What are some examples? –How is the language of the customer different from language required for design? Structuring Customer Attributes Note the treelike structure How would you develop a tree from a jumbled list? Customer Attributes and Bundles of Customer Attributes for a Car Door. Cognitive Parameters Prioritizing Customer Attributes ? Capture any strong consensus about relative importance ? Do not overemphasize these ratings Relativeimportance Weights of Customer Attributes. “Rooms” in the House of Quality Figure adapted from Lou Cohen. Correlations Engineering Characteristics Relationships Customer Attributes Customer Perceptions and Benchmarking Objective Measures Importance Ratings Targets Engineering Characteristics (ECs) ? ECs should describe the product in measurable terms ? ECs should directly affect CAs ? ECs should be applicable to other designs (the petitor’s design amp。 new alternatives) ? Are there other attributes of good ECs? ? What are some examples of poorly written ECs? Example Relationship Matrix ?Indicates a strong positive relationship?? ?Indicates a medium positive relationship X Indicates a strong negative relationship X Indicates a medium negative relationship Note the objective measures of ECs Axiomatic Design ? Design viewed as mapping between the domains (customer, physical, process…) ? Theory says coupled systems are worse than uncoupled systems Relationship Matrix (CAsamp。 質(zhì)量管理前沿領(lǐng)域 - QFD簡介 質(zhì) 量 機(jī) 能 展 開 Quality Function Deployment Followup on Session 4 Shashi KantMy belief is that XP is a very interesting concept and should be covered at least superficially. It would help to have an idea of such a process even in a highly structured development processes like in the defense or aerospace industries. So my vote would be to at least touch on the subject, I think even nonsoftware people would find it fascinating. Followup on Session 4 Stephen Friedenthal Intuitively it seems rational that the best decision making process is coherently logical. However, if I take it as an axiom that I can never have perfect information this leads to the implication that a perfectly rational and logical decision making process can lead to a faulty conclusion… But, by the same logic this implies that if your logic is flawed you may or may not get