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TRIZ For Dummies by Lilly Haines-Gadd

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Appendix E

The Oxford TRIZ Standard Solutions

The Oxford TRIZ Standard Solutions are a powerful tool for dealing with problems: they are simple lists of solutions based on analysis of patents and scientific journals. They are organised according to the kind of problem they solve:

  • Dealing with harm (H)
  • Overcoming insufficiency (i or i.a.)
  • Difficulties with measuring and detecting (M)

The Standard Solutions are numbered in a logical way. Each Standard Solution has both one or two letters and two numbers: the letter tells you the class of the Standard Solution (such as H for ‘harm’); the first number tells you the category of Standard Solution (for example, 2 for ‘Block the harm’), the second number identifies the specific Standard Solution (such as ‘protect part of the system from harm’).

  • Dealing with Harm
    1. H1 = Trim out the harm (6 solutions, so H1.1, H1.2 and so on until H1.6)
    2. H2 = Block the harm (11 solutions)
    3. H3 = Turn harm into good (4 solutions)
    4. H4 = Correct the harm afterwards (3 solutions)
  • Overcoming Insufficiency
    1. i1 = Add something to the subject or object (7 solutions)
    2. i2 = Evolve the subject and object (10 solutions)
    3. i.a. = Improve the action (18 solutions)
  • Difficulties with Measuring or Detecting
    1. M1= Indirect methods (3 solutions)
    2. M2 = Add something (4 solutions)
    3. M3 = Enhance measurement with fields (3 solutions)
    4. M4 = Use additives with fields (5 solutions)
    5. M5 = Evolve the measurement system (2 solutions)

Solutions for Dealing with Harms

Four strategies help ...

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