【正文】 Technical ComparisonQFD in Detail1. Customer Needs (VOC)167。 Helps link internal requirements and measures to external customer needs/value167。s wants and needs are the basis for the design.167。 Understand how to check whether the important issues for the customer are being addressed in the design of the product or processProcess OverviewDetermine Voice of the Customer ?Use QFD to anize design requirements Verify design will meet Customer’s NeedsConceptDevelopment DesignVoice of CustomerQuality FunctionDeploymentDesignVOC Input(CustomerNeeds)Critical Customer RequirementsPerformance TargetsIdentifyCustomersPerformCustomerResearchAnalyzeVoice of theCustomer12345Technical ComparisonQFD and the House of Quality167。 Understand how to determine 167。 Critical Customer Requirements 167。 Highly structured process and matrixbased approach using customer and petitor inputs to 167。 House of Quality matrix is the most recognized form of QFD.167。 More efficient, effective planning, reducing the cost and time of development167。 Objective: Identifying and anizing customer data167。 Scale of 1 to 5, with 5 being the most important167。 These CCR’s will Identify ways to deliver on customer needsRelationshipStrong = 9Medium = 3Weak = 1 IMPORTANCE (15)CompetitorComparison1 2 3 4 5TARGETS“HOW” ImportanceStrong PosPositiveNegativeStrong Neg12345Technical Comparison2Principles of Establishing Good Critical Customer Requirements167。 Don’t try to maintain a onetoone Customer Need to Critical Customer Requirement ratio.Principles of Establishing Good Critical Customer Requirements CCR’s167。 Measurable (quantifiable) 167。 The translation from WHATs to HOWs is plicated by interactions.167。 Goal: To Determine relative importance of each design requirement.RelationshipStrong = 9Medium = 3Weak = 1 IMPORTANCE (1 5)CompetitorComparison1 2 3 4 5TARGETS“HOW” ImportanceStrong PosPositiveNegativeStrong Neg12345Technical Comparison33. Interrelationship MatrixEvaluate Relationships – Bicycle Example167。 MEDIUM = 3167。 Sum these values vertically to produce a “relative importance” of each CCR.167。 Conduct a reality check at the end to make sure relative ranking of CCR makes logical sense167。 Who is the petition?167。 Assess our own offering for each Customer Need – current state.167。 Use four symbols to represent relationships:167。 Strong Negative167。 First objective: seek to make the conflict go away – resolve the conflict.167。 Measures with a strong positive correlation should bee part of the overall design strategy.5. Correlation MatrixHighEnd Children’s Bicycle ExampleNumber of bicycle extrasNumber of color optionsNumber of aesthetic featuresStopping effectivenessShock absorptionEase of AssemblyEasy to follow instructionsEase of handelbar/seat adjustment3333999234Performance Quick deliveryAestheticsCustomer value for priceSafety Growing room Quick and easy assembly 55553Attractive to both genders311999111999 333993387 95 95 57 47 6686 61RelationshipStrong = 9Medium = 3Weak = 1IMPORTANCE (15)CompetitorComparison1 2 3 4 5TARGETS“HOW” ImportanceStrong PosPositiveNegativeStrong NegCompetitor ACompetitor BOur Company12345Technical Comparison6. Technical Comparison167。 Consider evaluation techniques such as bench testing, laboratory analysis, product teardowns, field observations, and reviews of data from outside testing labs or agencies.167。 Determine the necessary performance targets (specs) for each Critical Customer Requirement.77. Performance Targets (Cont.)167。 Refer to Kano Model to consider type of need being addressed167。 Correlation of Critical Customer Requirements167。 Will this satisfy the customer?167。 Are they reasonable with respect to the importance ratings?167。 Will they allow design tradeoffs?7. Performance TargetsHighEnd Children’s Bicycle ExampleStrong PosPositiveNegativeStrong NegNumber of bicycle extrasNumber of color optionsNumber of aesthetic featuresStopping effectivenessShock absorptionEase of AssemblyEasy to follow instructionsEase of handelbar/seat adjustment3333999234Performance Quick deliveryAestheticsCustomer value for priceSafety Growing room Quick and easy assembly 55553Attractive to both genders311999111999 333993387 95 95 57 47 6686 61RelationshipStrong = 9Medium = 3Weak = 1IMPORTANCE (15)CompetitorComparison1 2 3 4 5TARGETS“HOW” ImportanceCompetitor ACompetitor BOur CompanyMin of 3 4ft 10mphTBDMin of 4 Damping ratio 2030Cust Sat 8out of 106th grade level 30 secs, no tools