MIT ESD 34 - System Architecture Creativity

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System Architecture Creativity Thomas H. Speller, Jr. Engineering Systems Division Doctoral Candidate January 12, 2007Today’s Topics on CreativityDuring the Lecture Think of a Creativity Principle The Responsibility of the System ArchitectTransform System Architecture from an Art into a ScienceDCI Variations of System Architecture all satisfying a given specificationSystem Architecture Solution Space within the Creative SpaceThe Problem Statement of System ArchitectingAccelerating rate of increase in the Stocks of Knowledge and TechnologyAccelerating rate of increase in the Stocks of Knowledge and TechnologyThe Internet as a Knowledgebase SetCurrent Art of System Architecture is in part limited byLack of Rigorous Algorithm to Select a Best ArchitectureBasic SA Creative StepsThe SA creative stepsThe System Architect’s DilemmaToday’s Topics on CreativityNature’s Processes as Creativity ModelsNature’s Self-generative Creative ProcessesEvolutionary Computation ApproachesEvolutionary Computation Approaches“pure” Function CreativityFlowchart for Genetic ProgrammingTwo Offspring Programs using CrossoverAn Experiment on Circuit or Route SA Generation to Satisfy a SpecificationSolution Space of System ArchitecturesProblem: How do we find all the unique system architecture solutions efficiently?Shape Grammar-Cellular Automata Methodology1 (SGCA)SGCA to generate and two alternatives to find the 20 unique solutionsStapler Example – Technical DescriptionEconomic ComparisonArising out of observations from my doctoral study is a definition of creativityToday’s Topics on CreativityCreativity in Concept DevelopmentTHOUGHTSExample of unstructured creativity: SerendipityHOW THE MIND WORKSAPPROACHES TO CREATIVITYSIX (Thinking/roles) HATS De BonoPAUSE, FOCUS, CHALLENGE de BonoMOVEMENTMOVEMENT STIMULATED BY RANDOM INPUT & PROVOCATIONMOVEMENT TECHNIQUESScenarios as a creative practice Today’s Topics on CreativityTRIZ: A Theory of Inventive Problem SolvingAxiomatic Design, Prof. Nam Suh, MITOther Creativity JAM’sThe Basic Concepts of TRIZIdeality ExampleSolutionIdeality ExampleIdeality: PracticeSystem ConflictBasic Ways to Resolve Physical ContradictionsExample ProblemSolution40 Inventive PrinciplesTable of ContradictionsEvolution of a BicycleToday’s Topics on CreativityThe Invention Machine Computational adaptation of TRIZ, Value Engineering and the Semantic Web Today’s Topics on CreativityHolistic View of Creativity Economic System Dynamics Holistic View of CreativitySocial Welfarecreativity_wkshp_finaledits.pdfExample of Evolutionary Computing: Genetic ProgrammingGP Applications1System ArchitectureCreativityThomas H. Speller, Jr.Thomas H. Speller, Jr.Engineering Systems DivisionEngineering Systems DivisionDoctoral CandidateDoctoral CandidateJanuary 12, 2007January 12, 2007ESD.34Professor Ed Crawley© Thomas H. Speller, Jr. 2007, Engineering Systems Division (ESD), Massachusetts Institute of Technology2Today’s Topics on Creativity• Introduction• Creativity–Nature– Design Rules and Combinatorics– Work of Vance and de Bono• TRIZ theory– TRIZ, Value Engineering and the Semantic Web tool• Radiant Thinking, Mind Mapping tool• Appendix: Technological change: from its creation to economic growth and societal welfare© Thomas H. Speller, Jr. 2007, Engineering Systems Division (ESD), Massachusetts Institute of Technology3During the Lecture Thinkof a Creativity Principle• “Tag Line Version”• Descriptive version• Prescriptive version• Text which explains the principle, how it would apply to your enterprise• Citation if appropriate• You can expand this creativity principle as one of your end of fall term principles!© Thomas H. Speller, Jr. 2007, Engineering Systems Division (ESD), Massachusetts Institute of Technology4The Responsibility of the System ArchitectAmbiguityComplexityCreativity© Crawley 2007© Thomas H. Speller, Jr. 2007, Engineering Systems Division (ESD), Massachusetts Institute of Technology5Transform System Architecture from an Art into a Science• SDM Design Challenge I•Use of abstraction vs. real life instantiation– The Traditional University of Chicago and Harvard School of Business Approaches•Normative• Case study• Normative System Architecting– the Best System Architecture• Stimulate theses on System Architecture© Thomas H. Speller, Jr. 2007, Engineering Systems Division (ESD), Massachusetts Institute of Technology6DCI Variations of System Architectureall satisfying a given specificationPhotos of project vehicles removed due to copyright restrictions.© Thomas H. Speller, Jr. 2007, Engineering Systems Division (ESD), Massachusetts Institute of Technology7System Architecture Solution Spacewithin the Creative SpaceDefinitionSA Sol’n Space:= SA’s satisfying the given specificationSA Sol’n SpaceDCI VariantDCI VariantDCI VariantDCI VariantDCI VariantDCI VariantDCI VariantDCI VariantDCI Variant DCI VariantDCI Variant DCI VariantDCI VariantDCI VariantDCI VariantDCI VariantDCI VariantDCI VariantDCI VariantDCI VariantDCI Variant DCI VariantDCI VariantDCI VariantDCI VariantDCI VariantDCI VariantDCI Variant© Thomas H. Speller, Jr. 2007, Engineering Systems Division (ESD), Massachusetts Institute of Technology8The Problem Statement of System Architecting© Thomas H. Speller, Jr. 2007, Engineering Systems Division (ESD), Massachusetts Institute of Technology9© Thomas H. Speller, Jr. 2003, MIT Engineering Systems Division (ESD)Vital Importance of System ArchitectureSystem Architecture Creation StageDetail DesignStageImplementationStageDeploymentStage100%CostCost incurredManagement leverageLifecycle cost committedTimeImproved state of knowledge byArchitecture metrics, methods and toolsCurrent state of knowledge© Thomas H. Speller, Jr. 2007, Engineering Systems Division (ESD), Massachusetts Institute of Technology10Accelerating rate of increase in the Stocks of Knowledge and Technology• Worldwide Publication of Scientific ArticlesStephen Hawking, The Universe in a Nutshell,2001, pp. 156-168.2000198019501920190010002003004005006007008009001000Worldwide Publication of Scientific ArticlesNumber of scientific articles published (thousands)Figure by MIT OCW.© Thomas H. Speller, Jr. 2007, Engineering Systems Division (ESD), Massachusetts Institute of Technology11Accelerating rate of increase in the Stocks of Knowledge and Technology• The Development of Complexity since the formation of


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