Concept SelectionChapter 8
Concept Selection Chapter 8
Concept Development ProcessMissionDevelopmentEstablishSelectIdentifyGenerateTestSetPlanStatementPlanFinalCustomerTargetProductProductProductDownstreamNeedsConceptsConcept(s)Concept(s)DevelopmentSpecificationsSpecificationsPerformEconomicAnalysisBenchmark CompetitiveProductsBuild and Test Modelsand Prototypes
Concept Development Process Perform Economic Analysis Benchmark Competitive Products Build and Test Models and Prototypes Identify Customer Needs Establish Target Specifications Generate Product Concepts Select Product Concept(s) Set Final Specifications Plan Downstream Development Mission Statement Test Product Concept(s) Development Plan
Concept Selection ExampleReusable Syringe
Concept Selection Example: Reusable Syringe
Concept Development Funnel000conceptgenerationconceptscreeningconceptscoringconcepttesting
Concept Development Funnel concept generation concept screening concept scoring concept testing
Concept Selection ProcessPrepare the Matrix-Criteria-ReferenceConcept- WeightingsRate Concepts Scale (+-0) or (1-5)-ComparetoReference Concept orValuesRank Concepts-SumWeightedScoresCombine and Improve-RemoveBadFeatures- Combine Good QualitiesSelect Best Concept-MayBeMorethanOne-BewareofAverageConceptsReflect on the ProcessContinuousImprovement
Concept Selection Process • Prepare the Matrix – Criteria – Reference Concept – Weightings • Rate Concepts – Scale (+ – 0) or (1–5) – Compare to Reference Concept or Values • Rank Concepts – Sum Weighted Scores • Combine and Improve – Remove Bad Features – Combine Good Qualities • Select Best Concept – May Be More than One – Beware of Average Concepts • Reflect on the Process – Continuous Improvement