... Limited 1995 Averaging Control charts Process control Statistics Shewhart’s • and s (or R) control charts[ 1 ] have been used very widely in industries to detect two types of process shifts: the shift of mean value μ and the shift of standard deviation σ. The ultimate aim...

... for the construction of the table is given. Methods are given for the selection of a scheme having either acceptable quality level, limiting quality level, indifference quality level or average outgoing quality limit as a function of lot size. © MCB UP Limited 1993 AVERAGING PROBABILITY QUALITY CONTROL...

...Reay‐Chen Wang; Chung‐Ho Chen Continuous Sampling Plans (CSP) are used where processes are continuous and products are not grouped into lots. The principal design criterion for these plans is the Average Outgoing Quality Limit (AOQL), which is the worst outgoing quality over all possible values...

...Shawky E. Shamma; Amal K. Shamma The double exponentially weighted moving average (DEWMA), which is known in the literature as Brown′s one‐parameter linear method for forecasting is proposed as a control tool for process monitoring and detecting shifts in the process mean. Obtains a closed‐form...