Fuzzy control charts represent a significant evolution in Statistical Process Control (SPC) by addressing intrinsic uncertainties in measurement and human evaluation that classical approaches ...

A three sigma limit is a statistical calculation that refers to data within three standard deviations from a mean. It shows ...

Statistical Process Control charts have been called the Voice of the Process. Progressive manufacturers utilize control charts to 'listen' to their processes so that potentially harmful changes ...

Statistical process control for semiconductor industry uses ... variations and special variations through the use of control limits and charts at each node of the semiconductor manufacturing ...

These are typically captured using a control chart -- a statistical tool used in manufacturing or business to show the extent of the variation in a process. Control charts usually present a ...

Define Measure Analyze Improve Control (DMAIC), the six sigma approach to quality, visual representation of data, Pareto charts, histograms, process capability vs specification (process) limits, ...

This course addresses the basic theory behind Statistical Process Control (SPC), a method used in monitoring and controlling the quality of a process through statistical analysis to reduce variation.

Two decades ago, when I was just out of graduate school and working in the automotive industry, I got my first introduction to the statistical process-control chart. We used this laborious ...