Here is the list of commonly used methodologies or approaches for continual improvement.1. PDCA or PDSA cycle was developed by quality guru Walter Shewhart and was later made famous by Dr. Deming and Dr. Juran. PDCA stands for Plan, Do, Check and Act. PDSA stands for Plan, Do, Study and Act. You plan first, then you do
Lean is based on the following five principles. Create value. Specify what creates value from the customer’s perspective. You need to understand what is important to the customer. Value stream. Identify all the value processes along the process chain. This is where Lean looks at reducing the non-value added processes from the work. Value-added activities
Six Sigma emphasizes the following four points:Know what is important to the customer. Whatever improvement project you are doing, make sure that it is important to your external customers. Any improvement project should be aligned with the customer’s needs, expectations, or satisfaction. (critical to quality)Reduce defects. Six Sigma emphasizes reducing defects to the level of
The concept of lean manufacturing goes back to the year 1900 when Frederick Taylor set up the system of motion study and standardization of work processes. That was the time you could say that the foundation of modern lean was put in place. Later on, in the 1920s — 1930s, Henry Ford used the concept
Obviously, you can see that benefit of both of these, Six Sigma and Lean is to make the customer happy. Six Sigma generates sustained success. Anything which you have improved in the process is going to give you a repeated benefit. For example, if you reduce the defect rate today, over a number of years
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