ocr: Telewindons Column diagnostics based on pressure varlation Faults: X Low sorbant porosity Run batch pressure bias -150.0 150.0 3.0 Unmodcled Pressure (Based on sensor validation model) Vanation Fuzzy Evidence Protein Combination Column sorbent problem Resolution 2.0 LCD Varation 1015 High pressure- unknown cause Hi Pressure Plugged column inlet Pressure A Operator Query 1505 Severe Hil Pressure Sensor biased high Bypess Colum Stop Pump EMERGENCY SHUTDOWN Figure 9. Fuzzy logic network for 00r-cause diagnosis ofh high col- umn pressure.
