【正文】 e of asymmetry. ? Use of variable control surfaces to alter lift properties of an aircraft wing ? Special connectors with plex shape/pin configurations to ensure correct assembly ? Introduction of several different measurement scales on a ruler 6 Module SESA3002a。 TRIZ (Teoriya Resheniya Izobreatatelskikh Zadatch ) TRIZ 40 Design Principles (Adapted from Slides Developed by Darryl Mann, Creax) 1 Module SESA3002a。 bring them together in time ? Combine harvester ? Manufacture cells ? Grass collector on a lawnmower ? Mixer taps ? Pipelined puter processors perform different stages in a calculation simultaneously ? Vector processors perform the same process on several sets of data in a single pass ? Fourier analysis – integration of many sine curves 7 Module SESA3002a。 TRIZ (Teoriya Resheniya Izobreatatelskikh Zadatch ) Principle 12. Equipotentiality A If an object has to be raised or lowered, redesign the object?s environment so the need to raise or lower is eliminated or performed by the environment ? Canal locks ? Spring loaded parts delivery system in a factory ? Mechanic?s pit in a garage means car does not have to be lifted. ? Place a heavy object on ice, and let ice melt in order to lower it. ? Anglepoise lamp。slightly less39。 TRIZ (Teoriya Resheniya Izobreatatelskikh Zadatch ) Principle 20. Continuity of Useful Action A Carry on work continuously。 TRIZ (Teoriya Resheniya Izobreatatelskikh Zadatch ) Principle 27. Cheap ShortLived Objects A Replace an expensive object with a multiple of inexpensive objects, promising certain qualities, such as service life ? Disposable nappies/papercups/plates/cameras/torches/etc ? Matches versus lighters ? Throwaway cigarette lighters ? Industrial diamonds used in cutting tools ? Sacrificial coatings/ponents ? PostIts ? Discardingsabot armour piercing round. 29 Module SESA3002a。 TRIZ (Teoriya Resheniya Izobreatatelskikh Zadatch ) Principle 25. Selfservice A Make an object serve or anise itself by performing auxiliary helpful functions ? A soda fountain pump that runs on the pressure of the carbon dioxide that is used to fizz the drinks. This assures that drinks will not be flat, and eliminates the need for sensors. ? Halogen lamps regenerate the filament during useevaporated material is redeposited. ? Selfaligning/selfadjusting seal ? Selflocking nut ? Selfcleaning oven/glass/material ? Selfrepairing structures ? Abradable materials used in engines such that initial runningin ?cuts? optimum seals into lining ? “Selfhealing” cutting mat. B Use waste resources, energy, or substances ? Use heat from a process to generate electricity: Cogeneration. ? Use animal waste as fertilizer. ? Use food and lawn waste to create post. ? Use pressure difference to reinforce seal action 27 Module SESA3002a。s resonant frequency ? Destroy gall stones or kidney stones using ultrasonic resonance. ? Ease bottle cleaning by pulsing washing action at resonant frequency of bottles D Use piezoelectric vibrators instead of mechanical ones ? Quartz crystal oscillations drive high accuracy clocks. ? Piezoelectric vibrators improve fluid atomisation from a spray nozzle E Use bined ultrasonic and electromagic field oscillations. ? Mixing alloys in an induction furnace ? Ultrasonic drying of films – bine ultrasonic with heat source 20 Module SESA3002a。 Aerospace Design Concept design。 TRIZ (Teoriya Resheniya Izobreatatelskikh Zadatch ) Principle 10. Preliminary Action A Perform, before it is needed, the required change of an object (either fully or partially) ? Prepasted wall paper ? Sterilize all instruments needed for a surgical procedure. ? Selfadhesive stamps ? Holes cut before sheetmetal part formed ? Preimpregnated carbon fibre reduces layup time and improves wetting“ ? Explosive reactive armour B Prearrange objects such that they can e into action from the most convenient place and without losing time for their delivery ? Manufacture flowlines ? Predeposited blade in a surgery cast facilitates removal. ? Car jack, wheel brace, and spare tyre stored together ? Collect all the tools and materials for the job before starting 12 Module SESA3002a。 Aerospace Design Concept design。 Aerospace Design Concept design。 Aerospace Design Concept design。 changes in gravitational potential stored in balancing springs ? Descending cable cars balance the weight of ascending cars 14 Module SESA3002a。 or 39。 make all parts of an object work at full load or optimum efficiency, all the time ? Flywheel stores energy when a vehicle stops, so the motor can keep running at optimum power. ? Constant output gasturbine in hybrid car, or APU in aircraft, runs at highest efficiency all the time it is switched on. ? Constant speed/variable pitch propeller ? Selftuning engine – constantly tunes itself to ensure maximum efficiency ? Heart pacemaker ? Improve posting process by continuously turning material to be posted. ? Continuous glass or steel production B Eliminate all idle or intermittent actions or work ? Selfcleaning/selfemptying filter eliminates downtime ? Print during the return of a printer carriagedot matrix printer, daisy wheel printers, inkjet printers. ? Digital storage media allow ?instant? information access (as opposed to tapes which require to be rewound) ? Kayaks use doubleended paddle to utilise recovery stroke ? Computer operating systems utilise idle periods to perform necessary housekeeping tasks. ? Rapiddrying paint 22 Module SESA3002a。 Aerospace Design Concept design。 Aerospace Design Concept design。 TRIZ (Teoriya Resheniya Izobreatatelskikh Zadatch ) Principle 18. Mechanical Vibration A