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TRIZ
- 1. TRIZ AK Dhamija Introduction Evolving TRIZ Pattern Why new An Introduction theory ? Good Solutions TRIZ - new paradigm TRIZ AK Dhamija Methodology TRIZ DIPR, DRDO concepts Contradiction Resources Ideal final result May 13, 2009 Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 1/57
- 2. Overview TRIZ 1 Introduction AK Dhamija Evolving Pattern Introduction 2 Why new theory ? Evolving Pattern Good Solutions Why new theory ? TRIZ - new paradigm Good Solutions TRIZ - new 3 TRIZ Methodology paradigm TRIZ 4 TRIZ concepts Methodology Contradiction TRIZ concepts Resources Contradiction Resources Ideal final result Ideal final result Patterns of Patterns of evolution evolution Innovative Principles Innovative Principles Contradiction Matrix Contradiction Matrix References 5 References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 2/57
- 3. Green Pepper TRIZ AK Dhamija How would you remove Cores From A Million Green Peppers ? Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction 1945: Patent for processing peppers Resources Ideal final result Patterns of Force air inside of the peppers, Suddenly reduce the pressure: evolution Innovative Seeds and stems separate from pepper body. Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 3/57
- 4. Proposed solution TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm ”Slowly raise pressure and suddenly reduce it” TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 4/57
- 5. Cedar Nuts TRIZ AK Dhamija How would you remove shell of cedar nuts ? Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction 1950: Patent for removing the shell of cedar nuts Resources Ideal final result Patterns of Under high pressure, water is forced inside of the shells. When evolution Innovative the pressure is suddenly reduced, the shells break away Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 5/57
- 6. And 27 Years Later ... TRIZ AK Dhamija Introduction Evolving Pattern How would you break Artificial Diamonds ? Why new theory ? 1972: Patent for breaking artificial diamonds Good Solutions TRIZ - new paradigm • Diamonds are placed into a pressure chamber TRIZ • High pressure forces air into micro fractures Methodology TRIZ • Releasing the pressure suddenly breaks the diamonds into concepts Contradiction crystals Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 6/57
- 7. Do you see a pattern? TRIZ AK Dhamija Pattern: Raise Pressure Slowly Then Suddenly Release It Introduction Evolving Pattern • Removing stems from bell peppers (1945) Why new theory ? • Removing shells form sunflower seeds Good Solutions TRIZ - new • Shelling cedar nuts paradigm TRIZ • Cleaning filters Methodology • Unpacking parts wrapped in protective paper TRIZ concepts Contradiction • Splitting diamonds along micro-cracks (1972) Resources Ideal final result • Producing sugar powder from sugar crystals Patterns of evolution Innovative • Explosive paper depulping Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 7/57
- 8. Innovation TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm Innovation is not an ”option” for any organization TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 8/57
- 9. Why new theory ? TRIZ AK Dhamija Introduction Evolving Pattern Why new Why does it take years (or decades) for so many excellent theory ? solutions to be used, even though they are urgently needed and Good Solutions TRIZ - new paradigm the technology is available? TRIZ Methodology TRIZ concepts e.g. Penicillin, Fast-food restaurant, Flash smelting Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 9/57
- 10. Good Solutions TRIZ AK Dhamija Introduction Evolving Pattern Why are good ideas rejected ? Why new theory ? • The inventor is seldom a good salesperson Good Solutions TRIZ - new paradigm • Lack of support from management TRIZ • Poor presentation of the idea Methodology TRIZ • Prejudices or the popular buzzwords ”paradigm paralysis” concepts Contradiction Resources • NIH (not-invented-here) syndrome Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 10/57
- 11. Not Exactly ! TRIZ AK Dhamija people reject good solutions and invest in bad ones because because they do not know the difference between them. Introduction Evolving People can take one of two positions Pattern Why new • It is not possible to know whether the idea is good or bad when it is first proposed. theory ? • Because the same patterns are repeated, we can learn from the past to get better solutions today. Good Solutions TRIZ - new paradigm TRIZ There is growing evidence supporting position 2, using TRIZ to provide the general theory of the evolution of Methodology good ideas. TRIZ concepts Contradiction Common Features of Good Solutions Resources Ideal final result Patterns of • Resolves contradictions evolution • Increases the ”ideality” of the system Innovative Principles • Uses idle, easily available resources Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 11/57
- 12. A New Approach to Problem Solving Is Needed TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Features of good solutions Innovative Principles • Contradictions are solved Contradiction Matrix • Idle resources are used References • Solving contradictions by using resources makes the system more ideal AK Dhamija, DIPR, DRDO TRIZ, An Introduction 12/57
- 13. The reorganization of creative activity TRIZ The transition from the old way of working to the new AK Dhamija Introduction Old way of working : rationalized or hard model : Theory X Evolving Pattern • Trial and error Why new • Contradictions are hidden theory ? Good Solutions • Adding resources TRIZ - new • Compromise paradigm • Evolution is considered accidental TRIZ Methodology TRIZ concepts New way of working : humanized or soft model : Theory Y Contradiction Resources Ideal final result • Systematic work Patterns of • Contradictions are clarified evolution Innovative • Using available resources Principles Contradiction • Ideal Final Result Matrix • Knowledge of the patterns of evolution References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 13/57
- 14. Two Models TRIZ AK Dhamija Rationalized or hard model : Theory X : Demand Pull Introduction Evolving • R&D centers are established Pattern • The work is controlled by budgets and time limits. Why new theory ? • People need to be controlled tightly Good Solutions • Management helps to get minor improvements TRIZ - new paradigm • Seldom gives great, qualitatively new ideas TRIZ Methodology TRIZ concepts Contradiction Humanized or soft model : Theory Y : Science Push Resources Ideal final result Patterns of • People naturally have imagination and creativity evolution • External control is not the only means for good results Innovative Principles • Criticism and control are minimized or prohibited Contradiction Matrix • Fantasy, feeling, play, intuition, and pleasure are encouraged References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 14/57
- 15. Which approach is better ? TRIZ AK Dhamija Inventive methodologies in industry seem to oscillate Introduction perpetually between hard and soft models. Both ways are blind Evolving alleys Pattern Why new theory ? Good Solutions TRIZ - new Existing Problem solving Tools don’t give specific techniques paradigm TRIZ • Quality Function Deployment (QFD): No tools to meet Methodology client’s contradictory requirements TRIZ concepts • Theory of Constraints (TOC): Recognizes conflicts but No Contradiction Resources tools to resole them Ideal final result Patterns of evolution • Six Sigma: begun incorporating TRIZ to get good solutions to Innovative Principles the problems that were identified Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 15/57
- 16. Models of creative work TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources • Trial-and-error method is the oldest way of seeking ideas Ideal final result Patterns of evolution • Hard and soft models are two popular attempts to make Innovative Principles work more effective. Contradiction Matrix • Scientifically managed problem solving combines the References strengths of both approaches with the theory of TRIZ AK Dhamija, DIPR, DRDO TRIZ, An Introduction 16/57
- 17. What is TRIZ ? TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 17/57
- 18. How TRIZ Works : Principle of Solution by Abstraction TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 18/57
- 19. teorija rezhenija izobretatelskih zadach TRIZ theory of inventive problem solving AK Dhamija TRIZ is a global theory, originated in erstwhile Soviet Union Introduction • Founded by Genrich Saulovich Altshuller (1926-1998) Evolving Pattern • Confined in prisons and camps most of his lifetime in Baku Why new • In research on millions of patents he found common patterns of theory ? evolution Good Solutions • inventor can learn these patterns to develop new technology TRIZ - new paradigm • Consciously, systematically and without many fruitless trials and errors TRIZ Methodology • TRIZ boom rose in the United States, Japan, and many other countries TRIZ concepts Contradiction Core Concepts Resources Ideal final result Patterns of • Contradiction evolution • Resources Innovative Principles • Ideality Contradiction Matrix • Patterns of evolution References • Innovative principles AK Dhamija, DIPR, DRDO TRIZ, An Introduction 19/57
- 20. TRIZ Is Based On Technology, Not Psychology TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 20/57
- 21. TRIZ Methodology TRIZ TRIZ AK Dhamija • TRIZ is innovation by rapid, systematic process Introduction • Structured approach to problem solving Evolving • Much more powerful and complete than brainstorming, etc. Pattern Why new theory ? 3 Key Findings Good Solutions TRIZ - new paradigm • Problems and solutions are repeated across industries & sciences • Patterns of technical evolution are repeated across industries & TRIZ sciences Methodology • Best innovations occur when scientific effects are used from outside TRIZ the field where the original problems were developed concepts Contradiction Resources TRIZ Addresses These Barriers to Problem Solving Ideal final result Patterns of evolution Innovative • Shortage of individual knowledge Principles • Lack of problem solving resources Contradiction Matrix • Avoiding contradictions References • Psychological inertia AK Dhamija, DIPR, DRDO TRIZ, An Introduction 21/57
- 22. Psychological Inertia TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 22/57
- 23. The case for Structured Innovation TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 23/57
- 24. TRIZ concepts TRIZ AK Dhamija Introduction Evolving Pattern Five Core Concepts of TRIZ Why new theory ? Good Solutions • Contradiction TRIZ - new paradigm • Resources TRIZ Methodology • Ideality TRIZ concepts • Patterns of evolution Contradiction Resources • Innovative principles Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 24/57
- 25. Contradiction TRIZ AK Dhamija Difficult Problems Contain Contradictions Introduction Evolving Pattern A contradiction is a conflict in the system. A system consists of two Why new components: tool (T) and object (O) theory ? Good Solutions Ax blade to cut wood TRIZ - new paradigm • The edge of the ax blade,is a tool that splits the object, a chunk of wood TRIZ Methodology • If you make the blade heavier, the ax can strike a more effective blow, but it becomes more awkward to handle TRIZ concepts Contradiction A company wants to improve customer service by increasing staff training Resources Ideal final result Patterns of • Training is the T that is used to improve a certain O: the professional quality of employees evolution Innovative • For better service, more training time is needed but the time loss might be intolerable Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 25/57
- 26. The seesaw analogy of the problem situation TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles TRIZ advises us NOT to avoid contradictions Contradiction Matrix • It reverses the logic - find the contradiction, intensify it References and resolve it without compromise • Contradictions between tools and objects are the moving AK Dhamija, DIPR, DRDO TRIZ, An Introduction 26/57
- 27. Resources TRIZ Using resources, one can remove the contradiction and get the ideal AK Dhamija final result Introduction Evolving Resources are things (including waste), information, energy, or Pattern properties of the materials that are already in or near the Why new theory ? environment of the problem Good Solutions TRIZ - new paradigm Resource has the functional and technological ability to jointly TRIZ perform additional functions Methodology TRIZ Ax blade to cut wood concepts Blade, its edge, form, material, and other properties; the handle and its properties; the chunk of wood and its Contradiction properties; the surrounding air; the person; etc. Resources Ideal final result Patterns of evolution A company wants to improve customer service by increasing staff training Innovative Principles The curriculum, its structure and properties, skills of teachers, textbooks, the motivation, and existing Contradiction knowledge and skills of the students are all resources, as well as the culture of the company and the physical Matrix environment of the training References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 27/57
- 28. Resources to resolve contradiction TRIZ Resources AK Dhamija Introduction Evolving Pattern Resources are often invisible at Why new first because we are accustomed theory ? to not seeing them Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ Sea saw as ideality concepts Contradiction Resources Ideal final result Patterns of If resources included some rope, a evolution Innovative tree, and a strong parent, both Principles Contradiction ends of the plank could go up at Matrix the same time References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 28/57
- 29. Resource Examples TRIZ AK Dhamija Solar Lighter Paint Generates Electricity Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix Staircase Power Purse References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 29/57
- 30. Ideal final result TRIZ If the child’s resources included some rope, a tree, and a strong AK Dhamija parent, both ends of the plank could go up at the same time Introduction Evolving Pattern Ax blade to cut wood Why new theory ? • Something changes the ax in some way so that it is both heavy and light, for the double purpose of Good Solutions making the blow stronger without decreasing the ease of use TRIZ - new paradigm • Hollow Handle : Air is used as the resource that solves the problem TRIZ Methodology • The center of gravity moves nearer to the blade. The blow is more powerful, which could be thought of as heavy, although the tool is lighter. TRIZ concepts Contradiction A company wants to improve customer service by increasing staff training Resources Ideal final result Patterns of • Changing the training so that part of it is done on the job, not in the classroom evolution Innovative • Better learning as well as shorter classes, because the students can see the results immediately and Principles are in a better position to apply them Contradiction Matrix • Improves both motivation and feedback References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 30/57
- 31. Resources to resolve contradiction and achieve Ideality TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix • Ideality is the measure of how close the system is to the ideal final result References • If the useful feature improves, the ideality improves • If the harmful feature lessens, the ideality improves AK Dhamija, DIPR, DRDO TRIZ, An Introduction 31/57
- 32. Ideality TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm Ideality Approach TRIZ Methodology • The ideal system performs a required function without TRIZ concepts actually existing Contradiction Resources • The function is often performed using existing resources Ideal final result Patterns of evolution • ALL systems evolve in this direction over time by resolving Innovative Principles contradictions Contradiction Matrix • Defining Ideality breaks psychological inertia References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 32/57
- 33. Ideality Example TRIZ AK Dhamija Ideal Air Freshner for Rest rooms Introduction Evolving It Does not Exist Pattern Why new theory ? Solution : Ideal Air Freshner for Rest rooms Good Solutions TRIZ - new paradigm • New fluorescent light bulb Fresh2 is a device that safely breaks down odors, while providing light, a healthy alternative to TRIZ traditional chemically based air fresheners Methodology • When you turn on light, then Fresh2 begins eliminating odors due TRIZ to UV rays that trigger a photo catalytic process in titanium oxide concepts coating Contradiction • Since it’s a compact fluorescent bulb, it will serve longer then Resources conventional incandescent lamp and save money in deodorizers and Ideal final result in energy costs Patterns of 2 : http://www.fresh2.com evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 33/57
- 34. Other Examples of Ideality TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Self Healing Plastic Self Balancing Bicycle Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 34/57
- 35. Patterns of evolution TRIZ AK Dhamija Important regularities in the development Introduction Evolving Pattern Transition to microlevel or macrolevel Why new theory ? Ax blade to cut wood Good Solutions TRIZ - new • The ax can be segmented or divided into parts : molecules : Hollow axe paradigm TRIZ • A stream of particles, as with a sandblaster, can be a very effective cutting tool, where each particle could be considered a microax Methodology TRIZ concepts A company wants to improve customer service by increasing staff training Contradiction Resources • A training program can be segmented (transition to microlevel) and integrated to larger systems Ideal final result (transition to macrolevel) Patterns of evolution Innovative • For better service, more training time is needed but the time loss might be intolerable Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 35/57
- 36. Patterns of Evolution TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative The patterns of evolution have multiple uses: Principles Contradiction • they support the tools for problem solving, help to get solutions directly, and can be used for the Matrix prediction of the future features of technology References • If the useful feature improves, the ideality improves • If the harmful feature lessens, the ideality improves AK Dhamija, DIPR, DRDO TRIZ, An Introduction 36/57
- 37. Innovative Principles across Industries TRIZ AK Dhamija tools that tell what the patterns mean and help us interpret the patterns for any particular problem Introduction Evolving Pattern 40 Principles are based on the same study of patents and technology Why new theory ? that developed the patterns of evolution Good Solutions TRIZ - new Ax blade to cut wood - Principle 29 paradigm TRIZ • Pneumatics and hydraulics: Use gas and liquid as parts of an object ... Methodology • Hollow handle TRIZ concepts Contradiction A company wants to improve customer service by increasing staff training - Principle 18 Resources Ideal final result Patterns of • Mechanical Vibration suggests using an object’s resonant frequency evolution Innovative • Improving the coordination of the curriculum, textbooks, and teaching with the learning style of the Principles students and the culture of the company Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 37/57
- 38. Patterns of Evolution TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Forty innovative principles give cues for finding ideas Matrix They can be used both as independent tools and to support other References methods AK Dhamija, DIPR, DRDO TRIZ, An Introduction 38/57
- 39. Forty Innovative Principles TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 39/57
- 40. Forty innovative principles : Examples TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References Twin Nut Stackable Rental Cars AK Dhamija, DIPR, DRDO TRIZ, An Introduction 40/57
- 41. 2 Types of Contradictions TRIZ AK Dhamija • Technical Introduction • Physical Evolving Pattern Why new theory ? Technical Contradiction Good Solutions TRIZ - new paradigm • An improvement in one system characteristic (parameter) TRIZ results in the deterioration of another Methodology TRIZ • Example: Airplane wing strength vs. light weight concepts Contradiction • Traditionally, technical contradictions are resolved by trade-off Resources Ideal final result or compromise Patterns of evolution Innovative • TRIZ does it by 40 Inventive Principles since Problems and Principles Contradiction solutions are repeated across industries and sciences Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 41/57
- 42. Contradiction Matrix - 39 Problem Parameters & 40 Inventive Principles TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 42/57
- 43. Contradiction Matrix - Illustration TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 43/57
- 44. Example - Jet Engine TRIZ AK Dhamija Contradiction Introduction Boeing wanted to install larger engines on a Evolving redesigned 737. But, a larger air intake would Pattern Why new reduce ground clearance to unacceptable levels theory ? Good Solutions TRIZ - new paradigm Contradiction Resolution TRIZ Methodology • Resolve the contradiction using Asymmetry TRIZ concepts (Inventive Principle No. 4) Contradiction Resources • Make the radius large laterally for high air Ideal final result Patterns of flow evolution Innovative Principles • Make the radius smaller vertically for high Contradiction Matrix ground clearance References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 44/57
- 45. 2 Types of Contradictions TRIZ AK Dhamija Introduction • Technical Evolving Pattern • Physical Why new theory ? Good Solutions TRIZ - new Physical Contradiction paradigm TRIZ To perform the necessary function, the same area/object Methodology TRIZ • should possess some property and concepts Contradiction • should not possess the property Resources Ideal final result Patterns of • TRIZ tries to eliminate the physical contradiction by separating evolution Innovative the two contradictory requirements Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 45/57
- 46. Separating the two contradictory requirements TRIZ AK Dhamija Introduction Evolving Pattern Why new 4 Separation Principles theory ? Good Solutions • Separation in space TRIZ - new paradigm • Separation in time TRIZ Methodology • Separation between the parts and the whole TRIZ concepts • Separation upon condition Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 46/57
- 47. Piling Problem TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Physical Contradiction Contradiction Matrix Concrete piles must be pointed for easy driving but not pointed References to support a load AK Dhamija, DIPR, DRDO TRIZ, An Introduction 47/57
- 48. Piling Solution : Separation in Time TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Solution Contradiction Matrix The piles are made with pointed tips which are destroyed after References driving, via an embedded explosive AK Dhamija, DIPR, DRDO TRIZ, An Introduction 48/57
- 49. Car Space Problem TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Physical Contradiction Innovative Principles Contradiction Car should have a large space to accommodate people and Matrix should not have large space to get parked easily References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 49/57
- 50. Car Space Solution : Separation in Space TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Solution Principles Contradiction Matrix Flexible space depending on requirements References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 50/57
- 51. Separation between the parts and the whole Example : Gripping workpieces of complex shape TRIZ To grip workpieces of complex shape, vice jaws must have a corresponding shape. It is expensive to produce a unique tool AK Dhamija for every workpiece, however Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Vise with ordinary jaws, but add multiple hard bushings Patterns of evolution Innovative • separation between the whole and its parts recommends that we assign one of the contradictory Principles requirements to the whole system and the other to its parts, as follows Contradiction Matrix • Use a vise with ordinary jaws, but add multiple hard bushings around the workpiece that move horizontally to conform to the workpiece’s shape References • When a current is applied, the liquid crystals align and the film is nearly transparent AK Dhamija, DIPR, DRDO TRIZ, An Introduction 51/57
- 52. Separation upon Condition Example : Privacy Glass TRIZ AK Dhamija Introduction Evolving Pattern Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Liquid Crystal Film Innovative Principles • There is a liquid crystal film (made by 3M) that can be laminated to a window Contradiction Matrix • When there is no current applied to the film, the film is opaque References • When a current is applied, the liquid crystals align and the film is nearly transparent AK Dhamija, DIPR, DRDO TRIZ, An Introduction 52/57
- 53. Separation Principles TRIZ AK Dhamija Introduction Evolving Pattern Why new Approach theory ? Good Solutions • Expert TRIZ experts convert technical contradictions to TRIZ - new paradigm physical contradictions TRIZ Methodology • Higher form of abstraction TRIZ concepts • Allows use of separation principles Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 53/57
- 54. Ideality and Resources : Pill Inspection Workstation TRIZ Vibratory feed move pills around an internal spiral to top of AK Dhamija vibratory bowl where the pills are discharged and slide down an Introduction incline plane onto a conveyor. As the pills go by, the inspectors Evolving Pattern identify and remove the damaged pills Why new theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 54/57
- 55. An Elegant Solution - The Pill Inspects Itself TRIZ Change the escapement for the vibratory bowl so that the pills AK Dhamija are ejected standing on their edge. Move the conveyor 3 Introduction inches. Pills that are round will roll at a velocity that allows Evolving Pattern them to jump to the conveyor. The pills that are chipped will Why new slide or will roll at a lower velocity and fall into the trash theory ? Good Solutions TRIZ - new paradigm TRIZ Methodology TRIZ concepts Contradiction Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 55/57
- 56. Modeling Approaches in TRIZ TRIZ AK Dhamija Introduction Evolving Pattern TRIZ Modeling Tools Why new theory ? • Function modeling - Cause-effect model identifies Good Solutions TRIZ - new paradigm contradictions TRIZ • Substance-Field modeling - Su-Field modeling Methodology TRIZ • Many Little People (MLP) modeling - Model with concepts Contradiction Miniature Dwarfs (MMD) Resources Ideal final result Patterns of evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 56/57
- 57. References TRIZ AK Dhamija Introduction References Evolving Pattern • Kalevi Rantanen and Ellen Domb, ”Simplified TRIZ”, Second Why new theory ? Edition, 2008 Good Solutions TRIZ - new paradigm • Tim Schweizer, Ph.D. Professor of Management schweizt, TRIZ ”Mission Impossible: TRIZ in One Hour ASQ Meeting”, Methodology November 2007 TRIZ concepts Contradiction Resources Presentation available at Ideal final result Patterns of www.geocities.com/a_k_dhamija. evolution Innovative Principles Contradiction Matrix References AK Dhamija, DIPR, DRDO TRIZ, An Introduction 57/57