Difference between revisions of "CDS 101/110 - Dynamic Behavior"

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(Overview)
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* Students should be able to explain the difference between stability, asymptotic stability, and global stability
 
* Students should be able to explain the difference between stability, asymptotic stability, and global stability
  
'''Monday:'''  Qualitative Analysis and Stability ({{cds101 handouts|L2-1_stability.pdf|Slides}}, [http://www.cds.caltech.edu/~murray/courses/cds101/fa07/mp3/cds101-2007-10-15.mp3 mp3]- due to technical difficulties, this is last year's lecture)
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'''Monday:'''  Qualitative Analysis and Stability ({{cds101 handouts|L2-1_stability.pdf|Slides}}, [http://www.cds.caltech.edu/~murray/courses/cds101/fa07/mp3/cds101-2007-10-15.mp3 MP3]- due to technical difficulties, this is last year's lecture)
 
<p>
 
<p>
 
:This lecture provides an introduction to stability  of (nonlinear) control systems. Formal definitions of stability are given and phase portraits are introduced to help visualize the concepts. Local and global behavior of nonlinear systems is discussed, using a damped pendulum and the predator-prey problem as examples.  
 
:This lecture provides an introduction to stability  of (nonlinear) control systems. Formal definitions of stability are given and phase portraits are introduced to help visualize the concepts. Local and global behavior of nonlinear systems is discussed, using a damped pendulum and the predator-prey problem as examples.  

Revision as of 14:22, 7 October 2008

CDS 101/110a Schedule Recitations FAQ AM08 (errata)

Overview

The learning objectives for this week are:

  • Students should be able to use a phase portraits to describe the behavior of dynamical systems and determine the stability of an equilibrium point
  • Students should be able to find equilibrium points for a nonlinear system and determine whether they are stable using linearizations (all) and Lyapunov functions (CDS 110/210)
  • Students should be able to explain the difference between stability, asymptotic stability, and global stability

Monday: Qualitative Analysis and Stability (Slides, MP3- due to technical difficulties, this is last year's lecture)

This lecture provides an introduction to stability of (nonlinear) control systems. Formal definitions of stability are given and phase portraits are introduced to help visualize the concepts. Local and global behavior of nonlinear systems is discussed, using a damped pendulum and the predator-prey problem as examples.

Wednesday: Stability Analysis using Lyapunov Functions (Notes, MP3)

Lyapunov functions are introduced as a method of proving stability for nonlinear systems. Simple examples are used to explain the concepts.

Friday: Recitations

Reading

  • K. J. Åström and R. M. Murray,, Princeton University Press, 2008..
    • CDS 101: Read sections 4.1-4.3 [30 min]
    • CDS 110: Read sections 4.1-4.4, up to Krasolvski-Lasalle (p 118) [60 min]
    • CDS 210: Review sections 4.1-4.3, read sections 4.4-4.5 [60 min]

Homework

FAQ

Monday

Wednesday

Homework