May 09 2007
The Poka-Yoke principle and how to write better software
A lot of ideas in modern software development come from Zero Quality Control, Toyota’s approach to achieving product quality. Some things, it seems, have been a bit lost in translation. Here’s what ZQC can teach us about how to write better software.
Zero Quality Control takes it’s name from the idea that quality does not come from controlling and sorting out defects on the end, but from building it up front. In the words of Philip Crosby, ‘Quality has to be caused, not controlled’. Toyota’s solution consists of a design approach that aims to create mistake-proof products, early warnings and inexpensive successive tests at the source.
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