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Multi-loop Control - Feedforward Control
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Feedforward Control Implementation
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Commissioning Dynamic Compensation
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Workshop – Feedforward Control
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Cascade Control
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Example – Boiler Steam Temperature
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Cascade Control Implementation
Selecting
FRSI_OPT for
dynamic reset in
primary loop and
CONTROL_OPTS
for Use PV for
BKCAL_OUT in
secondary loop
can often improve
dynamic
response.
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Workshop – Cascade Control
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Override Control
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Example – Override Control
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Override Control Implementation
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Workshop – Override Control
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Control Using Two Manipulated Parameters
Three methods
Addressed:
Split Range
Control
Valve Position
Control
Ratio Control
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Split Range Control Implementation
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Split Range Setup
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BA
Example – Split Range Control
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Workshop – Split Range Control
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Valve Position Control
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Valve Position Control Implementation
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Example – Valve Position Control
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Workshop – Valve Position Control
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Ratio Control
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Ratio Control Implementation
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Example – Ratio Control
In this example
the ratio setpoint
is adjusted using
feedback control
based on a
downstream
analysis of the
blended material
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Workshop – Ratio Control
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Process Simulation for Ratio Workshop