A control chart plots measured values along with upper and lower quality control limits. Values appearing outside these limits are unacceptable and could indicate a manufacturing problem. Although ...

A control chart consists of several parts. It has two control limits and an average line. The bottom dashed line is called ...

Statistical Process Control (SPC) provides the means for the control of product quality and the reduction of process variation. To be successful you need to know how to collect data, understand the ...

Control charts have been widely used for monitoring production processes and identifying assignable causes of variability. Many papers investigate the application of control charts in different ...