Research Article

Estimating Alarm Thresholds for Process Monitoring Data under Different Assumptions about the Data Generating Mechanism

Figure 14

Simulated examples of MB sequences in arbitrary units (a.u.). In (a) and (b) there is no batch-to-batch cross talk and in (c) and (d) there is batch-to-batch cross talk. Plots (c) and (d) have batch-to-batch cross talk due to periodic cleanout of glove box waste.
705878.fig.0014a
(a) No batch cross talk
705878.fig.0014b
(b) No batch cross talk
705878.fig.0014c
(c) Batch cross talk due to waste
705878.fig.0014d
(d) Batch cross talk due to waste