File:Root Locus diagram with three poles and one zero.svg
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Size of this PNG preview of this SVG file: 800 × 549 pixels. Other resolutions: 320 × 220 pixels | 640 × 439 pixels | 1,024 × 703 pixels | 1,280 × 878 pixels | 2,560 × 1,757 pixels | 1,087 × 746 pixels.
Original file (SVG file, nominally 1,087 × 746 pixels, file size: 21 KB)
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This is a file from the Wikimedia Commons |
Summary
| Description |
English: Original work by Whiteknight to illustrate root-locus diagram in Wikibook "Control Systems". Edited Octave function file "rlocus.m" to make markers more visible |
| Date | |
| Source | http://en.wikibooks.org/wiki/File:RLocus_3poles_1zero.JPG |
| Author | Whiteknight |
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Convert from bitmap to SVG. The original can be found here: http://en.wikibooks.org/wiki/File:RLocus_3poles_1zero.JPG.
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Source Code
Here's the Octave script to generate this plot:
a=[0 0 1 2];
b=[1 5 8 6];
sys=tf(a,b);
rlocus(sys);
legend('location','northwest');
print('rlocus_octave.svg');
Here's my patch to the function file "rlocus.m" in octave-control package:
--- rlocus.m.bak 2011-10-02 09:16:56.042612714 +0800
+++ rlocus.m 2011-10-02 09:24:58.478585794 +0800
@@ -272,14 +272,14 @@
set (gcf,"visible","off");
hplt = plot (args{:});
- set (hplt(kk--), "markersize", 2);
+ set (hplt(kk--), "markersize", 6);
if (! isempty (rlzer))
- set (hplt(kk--), "markersize", 2);
+ set (hplt(kk--), "markersize", 6);
endif
for ii = 1:rows(rlpol)
set (hplt(kk--), "linewidth", 2);
endfor
- legend ("boxon", 2);
+ %legend ("boxon", 2);
grid ("on");
axis (axlim);
xlabel (sprintf ("Root locus from %s to %s, gain=[%f,%f]: Real axis",
Licensing
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- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:41, 2 October 2011 | | 1,087 × 746 (21 KB) | Antonysigma |
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