Why Water Striders can stand and slide on the Water? A Summer - PowerPoint PPT Presentation

“ Why Water Striders can stand and slide on the Water? ” A Summer Homework by Son and Father with TRIZ Taichiro Miyanishi (2nd Grader, Kenroku Junior High School ／ Son) ○ Katsuya Miyanishi ( ／ Father) 2008/09/10 English brushing up supported by Toru Nakagawa (OGU) (C) The Author & Japan TRIZ Society 4th Japan TRIZ Symposium 2008 Sept. 10-12, 2008 Slide 1

We are from KANAZAWA. We are from KANAZAWA. Intro. FATHER Katsuya Plan Kanazawa SON Taichiro 2nd Grader, Hypothese ○○○○○ Kenroku We are here now. Junior High School Com- firm Proto types Fa ther End Kanazawa Kanazawa Nagamachi Nagamachi Higashiyama Higashiyama Castle Castle Kenroku- -en Garden en Garden Kenroku (C) The Author & Japan TRIZ Society 4th Japan TRIZ Symposium 2008 Sept. 10-12, 2008 Slide 2

Background Background Intro. ・・・ Last summer ・・・ Last summer Plan "Why the water striders can stand and slide on Hypothese ○○○○○ the surface of water? I want to study about it Son as my summer homework." 1st Grader, Junior High Com- firm Good! But if you only survey Proto types about it in books and write a report without creativity, you would be Father Fa ther just like an elementary school child. End (C) The Author & Japan TRIZ Society 4th Japan TRIZ Symposium 2008 Sept. 10-12, 2008 Slide 3

Purpose Purpose Intro. “Why the water striders Why the water striders “ Plan can stand and slide can stand and slide on the surface of water?” ” on the surface of water? Hypothese ○○○○○ Com- firm Proto types – Let's set up hypotheses, and verify them! Let's set up hypotheses, and verify them! – Fa ther – Let's make Let's make conceptual prototypes conceptual prototypes ! ! – End (C) The Author & Japan TRIZ Society 4th Japan TRIZ Symposium 2008 Sept. 10-12, 2008 Slide 4

Approach Approach Intro. Let's use Let's use TRIZ- -thinking thinking Plan TRIZ in practice n practice i Hypothese ○○○○○ Planning Planning Think independently Com- Set up hypotheses firm Set up hypotheses Proto types survey here Verification Verification Fa ther Make a prototype End Make a prototype (C) The Author & Japan TRIZ Society 4th Japan TRIZ Symposium 2008 Sept. 10-12, 2008 Slide 5

Approach Approach Intro. Let's use Let's use Planning Planning TRIZ- -thinking thinking Plan Purpose,Target, Evaluation standard TRIZ Output, Schedule, etc. in practice n practice i Set up hypotheses Set up hypotheses Hypothese ○○○○○ NAZE-NAZE deployment Search for mechanisms Practice Practice Grouping, Make a TREE Affinity diagramming Scene deployment, MECE Enhancing ideas Strength/weakness analysis Com- Analysis, Select Candidates firm Make ideas for hypotheses Evaluation, Combine Proto Verification of our ideas Product Analysis types Verification of our ideas Experiments （ Prototypes ） Experiments （ Prototypes ） SFR Fa ther Physical Contradiction Centric Causal Analysis TRIZ Check （ Larry Ball @ The 3rd TRIZ Symposium in JAPAN） End TRIZ Check Reverse TRIZ (C) The Author & Japan TRIZ Society 4th Japan TRIZ Symposium 2008 Sept. 10-12, 2008 Slide 6

Management Management （ Purpose,Target, Output, Schedule ） （ Purpose,Target, Output, Schedule ） Intro. （ Goal, Outputs ） , the Ideal （ Goal, Outputs ） Overview the Ideal , First! First! Overview Plan Output Purpose Process Image (Main) Set up the hypothesis Reports Wants, Purpose, Target Why the water striders Hypothese A4-Size ○○○○○ can stand and slide NAZE-NAZE deployment on the surface of water? 20-pages （ Sub ） Own hypothesis Making conceptual prototypes Use Clearfiles Schedule Survey Prototypes Target Confirmation and consideration Com- firm Search for similar principles Making conceptual prototypes → Free and familiar materials (Size of 5-6cm) Proto types by free and familiar materials → Collect resources for prototypes Consideration of The prototype must float experiment result in the same principle. Sketch the design of prototypes (Not necessary to slide) Fa Improvement and ther Re-experiment Complete theme by August 20. Making prototypes Summary and End Experiment Impression (C) The Author & Japan TRIZ Society 4th Japan TRIZ Symposium 2008 Sept. 10-12, 2008 Slide 7

Search for mechanisms Search for mechanisms NAZE- -NAZE deployment NAZE deployment (Root NAZE Intro. (Root- -cause analysis) cause analysis) How to Stand on Water? How to Stand on Water? How to Slide on Water? How to Slide on Water? Plan How to Stand on Water? How to Slide on Water? Hypothese ●○○○○ 、 Search for many many causes! First 、 Search for many many causes! First Com- ・ No particular about the water strider. ・ No particular about the water strider. firm ・ Regardless of the concept size. ・ Regardless of the concept size. ・ Write on the Tag ・ Write on the Tag- -Paper immediately. Paper immediately. Proto types ・ Mother and younger brother also joined part. ・ Mother and younger brother also joined part. Fa ther End (C) The Author & Japan TRIZ Society 4th Japan TRIZ Symposium 2008 Sept. 10-12, 2008 Slide 8

Grouping, and Make a Logic- -Tree Tree Grouping, and Make a Logic NAZE- -NAZE deployment NAZE deployment (Root NAZE Intro. (Root- -cause analysis) cause analysis) ・ Affinity diagramming Plan ・ Make a Logic-Tree Hypothese How to Stand on Water? How to Stand on Water? How to Slide on Water? How to Slide on Water? How to Stand on Water? How to Slide on Water? ○●○○○ Upper concept Upper concept Lower concept Lower concept Lighter things Row Grouping Grouping Com- inside the body on the water firm Air in the legs Row by legs Proto types Very light Air inside Like a propeller Light liquid inside Fa ther Gas inside Fin on the legs End (C) The Author & Japan TRIZ Society 4th Japan TRIZ Symposium 2008 Sept. 10-12, 2008 Slide 9

Enhancing ideas by Associative thinking Enhancing ideas by Associative thinking Intro. lighter things Airship Example inside Plan Jet balloon Jet balloon Balloon Hypothese associate associate ○○●○○ Enhancing by Associtive thinking Enhancing by Associtive thinking Slide by any jet pressure Lower concept Com- firm （ Another concept ） Upper concept Proto Water pressure types （＠ KOSHIEN Stadium ） Slide Stand Fa ther Jet balloon using gas pressure using gas pressure End associate (C) The Author & Japan TRIZ Society 4th Japan TRIZ Symposium 2008 Sept. 10-12, 2008 Slide 10

Imagination of waterside- -scene scene Imagination of waterside Enhancing ideas by Enhancing ideas by Intro. Scene deployment. Scene deployment. Plan Imagining scenes and actions in daily life gives us new awareness. Hypothese １ - １ Example- -2 2 Example- Example Example Example- Example -3 3 ○○●○○ Water chopping Remora Ice skating Imagination Imagination Com- firm Proto types Change Change into ideas into ideas Jump on the Ride on other Slide by freezing Fa ther water surface. one. water by the foot. End (C) The Author & Japan TRIZ Society 4th Japan TRIZ Symposium 2008 Sept. 10-12, 2008 Slide 11

／ weakness analysis Strength ／ weakness analysis Strength Intro. Objective analysis of each cause. Objective analysis of each cause. Strength / weakness Plan How to Stand and Slide on the water? analysis Application NAZE-NAZE deployment Strength Weakness ・ ・ (Continued) ・ Hypothese ・ ・ ・ ・ ・ ・ ・ Red Tags ・ ・ ・ ・ ・ ○○○●○ ・ Water jet from toe ・ abundant ・ Keep jet ・ Water jet from hole water Helicopter Not easy to Propeller balance Bamboo Use surface tension dragonfly Com- Easy to Easy to firm Coin on water Wide & thin foot caught balance Proto Easy to Fall down types Ride on other one Freezing water balance if melt Not always Ride on lotus leaf Not do Fa desired anything ther Remora Ride on animals direction by yourself End Ride on oil film Slip easily Blue Tags (C) The Author & Japan TRIZ Society 4th Japan TRIZ Symposium 2008 Sept. 10-12, 2008 Slide 12

Select candidate ideas for hypotheses hypotheses Select candidate ideas for Intro. Necessary conditions for water strider Free move Simple Light weight Free rotation Plan Select best ideas Select best ideas Hypothese by the by the ○○○●○ Best two ideas perspective view perspective view to “stand” on water. of analysis. of analysis. Best two ideas Com- Voting slip firm to “slide” on water. Proto types Fa ther End Combine idea with another (C) The Author & Japan TRIZ Society 4th Japan TRIZ Symposium 2008 Sept. 10-12, 2008 Slide 13

Completion of hypotheses Completion of hypotheses Intro. How to Stand on Water? How to Slide on Water? How to Stand on Water? How to Slide on Water? How to Stand on Water? How to Slide on Water? Plan Fine hairs of Legs the foot row Hypothese repel water. water. ○○○○● Com- firm Proto types Hole of the body Fa jets air. ther Oil repels End water, also. (C) The Author & Japan TRIZ Society 4th Japan TRIZ Symposium 2008 Sept. 10-12, 2008 Slide 14