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Concept Generation

Concept Generation. Facts Concepts are best generated by individually Concept selection is best performed by groups Opinion Systematic “Idea generation” methods do not work – even hinder creativity. The five-step Methodology. Clarify Problem. Search Externally. Search Internally.

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Concept Generation

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  1. Concept Generation • Facts • Concepts are best generated by individually • Concept selection is best performed by groups • Opinion • Systematic “Idea generation” methods do not work – even hinder creativity.

  2. The five-step Methodology Clarify Problem Search Externally Search Internally Sub-problems Explore Alternatives Reflection

  3. Step - I :Clarify • Review all the specification targets in PDS • Perform a functional decomposition (if possible) • Divide complex functions into many simpler ones. • Follow the flow of materials to determine what functions are required. • Postpone specific solutions to the end.

  4. Functional Decomposition • Example: Cardboard pallet forming device • Following material flow: • Raise and position cardboard sheets • Slidecardboard out of loading storage • Apply glue to cardboard • Positioncardboard for forming • Formcardboard crease marks • Bend and form reinforcement shapes in cardboard • Insert reinforcement shapes [manual] into cardboard • Close flaps of cardboard

  5. Functional Decomposition • Position cardboard for forming • Apply force to cardboard • Guidecardboard • Stopcardboard • Securecardboard forbending • Prevent cardboard motion laterally. • Prevent cardboard lift up.

  6. Functional Decomposition Signal flows • Sense cardboard level • Trigger feed mechanism • Verify the cardboard position • Sense cardboard face contact • Sense edge contact • Trigger glue application

  7. External Search(Pin Remover) • Direct competition - Same products - None • Similar functions on related products • Bearing removers • Cork removers • Pneumatic hammers and nailers • Car jacks • Vises • Industrial presses and hammers • Winches

  8. Searching for Ideas • External Sources of Ideas • Patents (Overall function or sub-functions) • Published literature • Research and trade journals • Interview lead users • Consult experts • Benchmark related products • Internet

  9. Searching for Ideas • Search internally – Brainstorming • Work individually or in a group • Generate a lot of ideas • Allows extracting useful features • Stimulates other ideas • Include ideas which may seem infeasible • Do not allow time for rational thinking!

  10. Exploring Systematically Organizing solution fragments • Concept Classification Tree • Classifies possible approaches to a sub-problem • Concept Combination Table • Combines various solutions • Some combinations may not make sense

  11. Exploring Systematically • Example: Power sources. • Example: Cardboard feeder (roller, suction, pusher) • Example: Pad washer “nozzle pad surface” • Move nozzles over pad only • Move pad and nozzles • Move pad only • Example: Bolt tester power and force source

  12. Explore Systematically

  13. Exploring Systematically • Concept Combination Table • Combines solutions to sub-problems • Some combinations may not make sense

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