February 09, 2008

Six Sigma—Improve design cycle

Improved design cycle


This figure shows the basic improved design cycle that provides the necessary rigour for DFSS. To deal with the failures in use of both product and service it is important to learn from the past and to learn from experience in use through testing. To deal with the failures of inappropriate strategy, lack of favour and poor performance, it is important to learn through exposing the design to business and customer requirement early on in the cycle. By shifting the starting point to first learning by example, then testing a concept against business and customer needs, evaluating the design against quality metrics, and then piloting prototypes, by the time the design is launched commercially it will be guaranteed a greater degree of success. Success in design comes from a rigorous approach, a customer focus, and in ensuring that hindsight becomes foresight:

·      Learn by example from both the present and the past

·      Learn by exposure to business scrutiny

·      Learn by examination against customer requirements;

·      Learn by experience in test and prototype

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