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Section 8 Control Loop Asset Monitor (CLAM)
The weights named W1, W2 and W3 corresponds to the asset parameters
Weight_H_FCE_Stiction_Backlash, Weight_H_FCE_Leakage and
Weight_H_Loop_Non-linearity as shown in
The weighted signals are summed that represents a health value for the FCE. This
value is compared to predefined alarm thresholds to decide if an alarm is necessary.
Loop Performance Summary
The Loop Performance Summary calculation is described in
Figure 53. Loop Performance Summary Calculation
A large number of performance indices form the pre-conditions as shown in
Figure
These pre-conditions are multiplied with weight parameters with the prefix
Weight_P_*, which are defined as asset parameters.
3BUA000150-600
53.
Loop Performance Summary
Figure
52.
Figure
53.
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