Subtractive
1st Order linear feedback control with load
(fixed set point controller with
subtractive degenerative
feedback)
![IPS of the first order feedback control](media/fc1l.gif)
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x(w):
Setpoint
y(w):
Controlled Variable
yR(w):
Measured Variable
z(w):
Load (Sum of all Disturbance
Variables)
e(w):
Error
V1 and V2:
Linear Gain Factors
w:
Angular Frequency of signal
a,
b:
Time constants
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![](media/fc1l-1.gif)
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(1)
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![](media/fc1l-2.gif)
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(2)
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![](media/fc1l-3.gif)
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(3)
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![](media/fc1l-4.gif)
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(4)
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![](media/fc1l-5.gif)
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Recursive Solution (5)
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![](media/fc1l-6.gif)
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Equifinal Solution (6)
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![EPS (encapsulated PostScript) version](../images/eps.gif)
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[Download network graphic in
EPS format]
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