An open-loop system is described by the differential equation (see picture). A) Is this system stable. Why? This system is now connected with unity feedback. B) Write the loop transfer function, G(s)H(s); C) Determine the gain and phase margins of the closed loop system and comment on stability.
An open-loop system is described by the differential equation (see picture). A) Is this system stable. Why? This system is now connected with unity feedback. B) Write the loop transfer function, G(s)H(s); C) Determine the gain and phase margins of the closed loop system and comment on stability.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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An open-loop system is described by the differential equation (see picture).
A) Is this system stable. Why?
This system is now connected with unity feedback.
B) Write the loop transfer function, G(s)H(s);
C) Determine the gain and phase margins of the closed loop system and comment on stability.
Transcribed Image Text:0.2
d³c
dt3
+1.2
d²c
+
dt²
dc
dt
= r
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VIEWStep 2: Determining the stability of the open-loop system.
VIEWStep 3: Determining the loop transfer function.
VIEWStep 4: Determining the gain and phase margins of the closed loop system.
VIEWStep 5: Commenting on the stability of the closed-loop system.
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