Control package: Difference between revisions
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(created forge control package page) |
(added basic low-pass step response) |
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The {{Forge|control}} package is part of the [[Octave Forge]] project. | The {{Forge|control}} package is part of the [[Octave Forge]] project. | ||
== Some very basic examples == | |||
=== PT1/low-pass filter step response === | |||
T1=0.4; # time constant | |||
P=tf([1], [T1 1]) # create transfer function model | |||
step(P,2) # plot step response | |||
#add some common markers like tangent at the origo which crosses lim(n->inf) f(t) at t=T1 | |||
hold on | |||
plot ([0 T1], [0 1],"g") | |||
plot ([T1 T1], [0 1],"k") | |||
plot ([0 T1], [1-1/e 1-1/e],"m") | |||
hold off | |||
[[File:Pt1.png|600px]] | |||
Try also bode(P)! | |||
(a first order low-pass filter has -3db magnitude at f=1/T1) | |||
[[Category:OctaveForge]] | [[Category:OctaveForge]] | ||
[[Category:Packages]] | [[Category:Packages]] | ||
Revision as of 07:58, 8 January 2013
The control package is part of the Octave Forge project.
Some very basic examples
PT1/low-pass filter step response
T1=0.4; # time constant P=tf([1], [T1 1]) # create transfer function model step(P,2) # plot step response
#add some common markers like tangent at the origo which crosses lim(n->inf) f(t) at t=T1 hold on plot ([0 T1], [0 1],"g") plot ([T1 T1], [0 1],"k") plot ([0 T1], [1-1/e 1-1/e],"m") hold off
Try also bode(P)! (a first order low-pass filter has -3db magnitude at f=1/T1)