AWS - APMonitor Option
Main.OptionAws History
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(:title AWS - APMonitor Option:)
(:keywords AWS, Optimization, Estimation, Option, Configure, Default, Description:)
(:description AWS is Anti-Windup Status, meaning that the Manipulated Variable (Controller Output) is currently at a saturation limit:)
%width=50px%Attach:mv.png
Type: Floating Point, Output
Default Value: 0
Description: Anti-Windup Status for a Manipulated Variable
0: Not at a limit
1: An upper or lower bound is reached
Anti-Windup Status (AWS) is terminology borrowed from classical controls such as Proportional Integral Derivative (PID) controllers. Anti-Windup refers to the integral action that is paused when the controller reaches a saturation limit. An example of a saturation limit is a valve that is limited to 0-100% open. If the controller requests -10%, the valve is still limited to 0%. The AWS indication is useful to show when a controller is being driven by an optimization objective versus constraints that limit movement. A Key Performance Indicator (KPI) of many controllers is the fraction of time that a MV is not at an upper or lower bound limit.
(:keywords AWS, Optimization, Estimation, Option, Configure, Default, Description:)
(:description AWS is Anti-Windup Status, meaning that the Manipulated Variable (Controller Output) is currently at a saturation limit:)
%width=50px%Attach:mv.png
Type: Floating Point, Output
Default Value: 0
Description: Anti-Windup Status for a Manipulated Variable
0: Not at a limit
1: An upper or lower bound is reached
Anti-Windup Status (AWS) is terminology borrowed from classical controls such as Proportional Integral Derivative (PID) controllers. Anti-Windup refers to the integral action that is paused when the controller reaches a saturation limit. An example of a saturation limit is a valve that is limited to 0-100% open. If the controller requests -10%, the valve is still limited to 0%. The AWS indication is useful to show when a controller is being driven by an optimization objective versus constraints that limit movement. A Key Performance Indicator (KPI) of many controllers is the fraction of time that a MV is not at an upper or lower bound limit.