40 Principles Extended Edition: TRIZ Keys to Technical Innovation, Volume 1

Part 4: Appendix

Form F-1: Formulation of a Characteristic to be improved

1. State the name of the Technical System:

______________________________________________________________________________

2. Define the goal of the Technical System. The system is designed to:

______________________________________________________________________________

______________________________________________________________________________

3. List main elements of the Technical System and their functions:

Name the part

Function

1.

_________________________________

1.

____________________________________

2.

_________________________________

2.

____________________________________

3.

_________________________________

3.

____________________________________

4.

_________________________________

4.

____________________________________

5.

_________________________________

5.

____________________________________

4. Describe the operation of the Technical System:

______________________________________________________________________________

______________________________________________________________________________

5. Determine the characteristics that should be improved or eliminated

______________________________________________________________________________

______________________________________________________________________________

Form F-2: Formulation of Technical Contradiction

Develop either Item 1 or Item 2.

1.

State the positive Characteristic that should be improved.

a. The Characteristic is: ____________________________________________________________

b. State a conventional means to improve the Characteristic: _______________________________

c. State a Characteristic that is getting worse under conditions in line 1b: _____________________

d. Formulate Technical Contradiction as follows: if the Characteristic (1a) is improved by (state how),

________________________________________________________________________________

then the following Characteristic will get worse (state which one) ___________________________

2.

State the negative Characteristic that has to be reduced, eliminated, or neutralized,

a. The Characteristic is:_____________________________________________________________

b. State a conventional means to reduce, eliminate, or neutralize the Characteristic:

________________________________________________________________________________

c. State a Characteristic that will get worse under conditions in line 2b: _______________________

d. Formulate Technical Contradiction as follows:

If Characteristic 2a is reduced by implementing 2b, (state how):

_____________________________________________________________________________

then the following characteristic...

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