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Altshuller defines the strong spirit as our ability to conceive of non-usual ideas.

The multi-screen approach, structure of the strong spirit1

Altshuller defines the strong spirit as our ability to conceive of non-usual ideas. For him, this corresponds to our ability to be aware that a system (car) breaks down into super-system (traffic, Road…) and subsystem (engine, steering wheel…). Then, for each of these levels, we must consider the lines of evolution that are the past, the present and the future. This gives us the following diagram2 :

Example: Windshield wipers

Super-System: the windshield
  • Small
  • Flat
  • Rectangular
  • Isolate
  • Transparent
  • Great
  • Bulging
  • Trapezoidal
  • Insulation
  • Transparent
  • Complex Surface
  • Isolate
  • Transparent
System: Windshield Wipers
  • Manual wiper
  • NO nozzle
  • No cleaning product
  • Motorized Scanning System
  • Nozzle
  • Cleaner
  • That eliminates water, dirt…
  • No wear on the scanning system
SUBSYSTEM: Brushes
  • Single Broom
  • No support distribution
  • Natural rubber
  • Advanced Broom
  • Variable support driven by speed
  • Material, profile and coating
  • Support suitable for operation
  • No support for judgment
  • No contact

Past

This

Future

One can see a significant evolution in the geometry of windshields making it more complex the function of windshield wipers. The system and subsystem must evolve to follow the evolutions of the super-system.

In particular, the need to work on the ability of the subsystem to apply a constant force over the entire sweep cycle with regard to the evolution of the windshield Shape . The research must therefore be done in a priority way.

Source

1 – D. Kucharavy (2002) – Russian English English OTSM TRIZ

2 – G. S. Altshuller (1988) – Creativity as an exact science

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