Adaptive Fault Detection with Two Time-Varying Control Limits for Nonlinear and Multimodal Processes

Figure 4

Training dataset (a) and left data under thresholds 𝜖=0.01 (b), 𝜖=0.015 (c), and 𝜖=0.02 (d).

(a)

(b)

(c)

(d)