All entries for Thursday 11 November 2010

November 11, 2010

6 sigma helps to become excellence

System of Profound Knowledge helps us to understand how complex organizations work. When we understand the importance of the application of SoPK in a company, it helps a company to get long-term improvements in quality and efficiency. Finally, SoPK will lead a company to gain continuous improvements and become more successful than what it was before.

SoPK is a theory as well as a philosophy which could be used as a guide that leads to achieve excellence. Also, six sigma, a tool which is used based on some theory, helps a company to stay on its way to be excellent. Firstly, SoPK focuses on appreciation for a system as it suggests us not only pay attention to sub-optimization but, more importantly, it demands that it is necessary to consider the interdependent between each department. At the same time, DMAIC requires measurement, analysis, improvement and control in system. Secondly, knowledge about variation has some links with six sigma. Both of them focus on differentiating and analyzing common causes and special causes. Besides, six sigma is really a good way to reduce these variations. We can say like this, Deming shows us the importance of analyzing the variation, six sigma shows us how to do with these variations. Thirdly, 'Theory of knowledge' suggests us to build knowledge and extend theory based on comparison of predictions with observation. The philosophy in six sigma can be summarized as: observe some important aspects and then develop the observations. Making predictions bases on hypothesis. Test the predictions and modify hypothesis. After all these have done, try to make sure there are no discrepancies between hypothesis and the results from experiments or observations. At last, psychology in SoPK asserts the significance in understanding people while six sigma also stresses a lot in motivating leadership.

From the above discussion, we can see that 6 sigma is really supported by Deming's theory. In the case, there's no doubt that 6 sigma helps to deliver a transformation to excellence.


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