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Summary: Control Systems Design, SC4026
SC4026 Fall 2010, dr. A. Abate, DCSC, TU Delft
Lecture 1
· The concept of feedback
· The concept of "model" in systems engineering: state-space models
· The role of a controller
SC4026 Fall 2010, dr. A. Abate, DCSC, TU Delft 1
The concept of feedback
· Compare the following two interconnections:
or forcing. The term feedback refers to a situation in which
al systems are connected together such that each system
d their dynamics are thus strongly coupled. Simple causal
back system is difficult because the first system influences
nd system influences the first, leading to a circular argument.
ased on cause and effect tricky, and it is necessary to analyze
consequenceofthisisthatthebehavioroffeedbacksystems
e, and it is therefore necessary to resort to formal methods
s in block diagram form the idea of feedback. We often use
System 2
y
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