MyTRIZ Competition 2013InnovatorsNadira JamilSivanyanam RajamanickamMohd Helmy Ahmad

Part 2

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Problem statement:

Innovation and the future of a standard wheelchair.

Benefits:

Safety, Convenience, Multifunctional and Cost Optimized.

IFR: To design the future wheelchair - which will be the safest to use, highly convenient and multifunctional to cater for both standard and sports usage.

TRIZ Process

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S-Curve Analysis

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Existing Standard Wheelchair Future Wheelchairt

Current State : Aging

Future State : Embryonic → Growth

9-Window Thinking

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Past Present Future

Super System

Human-aided Self-controlled Electronic control

System

16th century wheelchair

Current wheelchair Future wheelchair

Sub-System

Wooden seat Padded seat Ergonomic seat

TRIZ Tools Used

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Ideality – To define the ideal final result

Function Modeling - To describe how the system works

Contradiction Matrix – To determine which of the 40 inventive principles that contribute to the improvement

Function Modeling

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Useful function

Harmful function

System

Final productSuper

system

Contradiction Matrix

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  15. Durability of moving

object1. Weight of moving

object

34. Ease of repair

29. Pneumatics and hydraulics

 10. Preliminary action

27. Cheap short-living objects

14. Strength  

29. Mechanics substitution

27. Cheap short-living objects

18. Mechanical vibration

40. Composite materials

Worsening Features

Improving Feature

s

Ideas/Solutions of the Future Wheelchair

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Lighter, and higher durability frame made from composite material.

Shock absorbers/suspension system.

GPS navigation/tracking.

Early warning for falling down incidents.

Multi-functional: standard and sports wheelchair in one.