Image Image Image Image Image Image Image Image Image Image
Scroll to top


variation Archives - The Triz Journal

The Zero-Variation-Manufacture Contradiction

19/05/2019 |

Darrell Mann

I spoke at a Robust Design conference last month. One of the other speakers was extolling the virtues of ‘zero-variation’ manufacture (Reference 1). The concept immediately struck me as one of those naïve, ill-conceived motivational posters the manufacture … Read More

Coping with Process Variation

30/10/2007 |

Cass PursellI have talked before about Little’s Law and its role in improving the speed of the innovation process (“One critical issue that must be better understood is the cause of long innovation lead times,” from my post on August … Read More

Directed Variation® – Piston Ring CASE

23/01/2006 |

By: Simon Dewulf

Directed Variation® Piston Ring CASE Simon Dewulf Managing Director CREAX with Bernard Lahousse and Vincent Theeten, Innovation Engineers at CREAX

Introduction to directed variation

X the product, the process or service, the system, thing or article … Read More

Directed Variation® – the Talent of the Product

30/12/2005 |

By: Simon Dewulf

Introduction The ‘Variation’ part of Directed Variation® is closely linked to Attribute Listing (early 1930’s), the technique in which a product or a system is divided into parts, and alternatives ways of achieving each (sub) function are … Read More