OBJECTIVES
Process Controls
TERMINAL OBJECTIVE
1.0
Given a process control system, SUMMARIZE the operation of the system based on
changing system inputs.
ENABLING OBJECTIVES
1.1
DEFINE the following process control terms:
a.
Control system
b.
Control system input
c.
Control system output
d.
Open-loop system
e.
Closed-loop system
f.
Feedback
g.
Controlled variable
h.
Manipulated variable
1.2
DESCRIBE the operation of a control loop diagram including the following components:
a.
Controlled system
b.
Controlled elements
c.
Feedback elements
d.
Reference point
e.
Controlled output
f.
Feedback signal
g.
Actuating signal
h.
Manipulated variable
i.
Disturbance
1.3
EXPLAIN how capacitance, resistance, and transportation time affect a control system’s
lag time.
1.4
DESCRIBE the characteristics of the following types of automatic control systems:
a.
Two position control system
b.
Proportional control system
c.
Integral control
d.
Proportional plus reset control system
e.
Proportional plus rate control
f.
Proportional plus reset plus rate control
IC-07
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Rev. 0
