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Autopilot PID controller tuning resources: Difference between revisions
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Autopilot PID controller tuning resources (view source)
Revision as of 19:01, 8 November 2009
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[[Image:pid_controler.png|thumb|PID parameter's application]] | [[Image:pid_controler.png|thumb|PID parameter's application]] | ||
[[Image:pid_cotroler_data_graph.png|thumb|Datas of an Auto-trim PID | [[Image:pid_cotroler_data_graph.png|thumb|Datas of an Auto-trim PID Controller displayed as graphs]] | ||
You can find good explanations on how to practically tune the controller. [http://en.wikipedia.org/wiki/PID_controller Wikipedia's article on the PID | You can find good explanations on how to practically tune the controller. [http://en.wikipedia.org/wiki/PID_controller Wikipedia's article on the PID Controller] | ||
=== Getting graphs of | === Getting graphs of Controller action (Linux) === | ||
While it's possible to tune a PID controller by testing directly the aircraft behaviour under the autopilot control, it can be really useful to get everything in graphical view. | While it's possible to tune a PID controller by testing directly the aircraft behaviour under the autopilot control, it can be really useful to get everything in graphical view. | ||
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<pre> | <pre> | ||
alexis@linear:~/fgfs$ /usr/local/bin/fgfs 2>&1 | ./ | alexis@linear:~/fgfs$ /usr/local/bin/fgfs 2>&1 | ./PIDcontroller_parser.pl > my_file | ||
</pre> | </pre> | ||
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=== Getting graphs of | === Getting graphs of Controller action (Windows) === | ||
Under Windows the script of the Linux chapter works (with some minor modifications) together with Live-Graph under Windows, too. Although the output to a logfile is not as fluently as you may experience it under Linux. To get an output you first need a slightly modificated version of the above mentioned Perl script: | Under Windows the script of the Linux chapter works (with some minor modifications) together with Live-Graph under Windows, too. Although the output to a logfile is not as fluently as you may experience it under Linux. To get an output you first need a slightly modificated version of the above mentioned Perl script: | ||