Introduction - Revision history

Murray at 16:24, 24 November 2024

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Undo revision 1159 by Murray (talk)

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Chapter Summary

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 # Feedback Properties
 # Simple Forms of Feedback
-# Combining Feedback with Logic (Cruise control, Server Farms, Air--Fuel Control)
+# Combining Feedback with Logic
-# Control System Architectures (Freight Train Trip Optimizer, Process Control Systems, Autonomous Driving)
+# Control System Architectures
 # Further Reading
 :: Exercises

@@ Line 12: / Line 12: @@
 # Feedback Properties
 # Simple Forms of Feedback
-# Combining Feedback with Logic
+# Combining Feedback with Logic (Cruise control, Server Farms, Air--Fuel Control)
-#* Cruise control
+# Control System Architectures (Freight Train Trip Optimizer, Process Control Systems, Autonomous Driving)
 # Further Reading
 :: Exercises

@@ Line 45: / Line 45: @@
 {{Chapter footer
-| First edition URL={{{First edition URL|None}}}
+| First edition URL=https://www.cds.caltech.edu/~murray/amwiki/Introduction.html
 | Additional information=
 * [https://lewisgroup.uta.edu/history.htm A Brief History of Feedback Control] (from F.L. Lewis, Applied Optimal Control and Estimation, Prentice-Hall, 1992)

@@ Line 4: / Line 4: @@
 |Previous chapter=Preface
 |Next chapter=Feedback Principles
-|First edition URL=https://www.cds.caltech.edu/~murray/amwiki/Introduction.html#Exercises
+|First edition URL=https://www.cds.caltech.edu/~murray/amwiki/Introduction.html
 |Chapter summary=In this chapter we provide an introduction to the basic concept of feedback and the related engineering discipline of control. We focus on both historical and current examples, with the intention of providing the context for current tools in feedback and control.
 |Chapter contents=# What Is Feedback?

@@ Line 45: / Line 45: @@
 {{Chapter footer
 | Additional information=
 * [https://lewisgroup.uta.edu/history.htm A Brief History of Feedback Control] (from F.L. Lewis, Applied Optimal Control and Estimation, Prentice-Hall, 1992)

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 }}
 == Chapter Summary ==
 <ol>
 <li> <p>''Feedback'' is defined as the interaction of two (or more) dynamical systems that are connected together such that each system influences the other and their dynamics are thus strongly coupled.   We say that a system is ''closed loop'' if the systems are interconnected in a cycle and ''open loop'' when this interconnection is broken.</p></li>

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 * [https://lewisgroup.uta.edu/history.htm A Brief History of Feedback Control] (from F.L. Lewis, Applied Optimal Control and Estimation, Prentice-Hall, 1992)
 * [https://link.springer.com/book/10.1007/978-3-642-03446-6 Feedback and Control for Everyone], Pedro Albertos and Iven Mareels, Springer, 2010.
+*
 }}

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 <li> <p> Feedback also has potential drawbacks: it can cause instability if not used properly and it can couple noise from sensors into the dynamics of a system.  It can also increase the overall complexity of a system by coupling different parts of a system so that their dynamics are dependent on one another. </p></li>
-<li><p> An math of one of the most common feedback controllers is the ''PID controller'', consisting of proportional, integral and derivative terms:
+<li><p> An example of one of the most common feedback controllers is the ''PID controller'', consisting of proportional, integral and derivative terms:
 <center><math>
      u(t) = k_\text{p} e(t)+k_\text{i} \int_0^t e(\tau) \, d\tau + k_\text{d} \frac{de(t)}{dt}

← Older revision		Revision as of 06:12, 8 January 2024
Line 44:		Line 44:
	</ol>		</ol>

−	{{Chapter footer}}	+	{{Chapter footer
		+	\| Additional information=
		+	* [https://lewisgroup.uta.edu/history.htm A Brief History of Feedback Control] (from F.L. Lewis, Applied Optimal Control and Estimation, Prentice-Hall, 1992)
		+	* [https://link.springer.com/book/10.1007/978-3-642-03446-6 Feedback and Control for Everyone], Pedro Albertos and Iven Mareels, Springer, 2010.
		+	*
		+	}}