How to use Tune Option for PID block?

This topic contains 1 reply, has 2 voices, and was last updated by cK 10 years, 2 months ago.

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31 January, 2014 at 4:59 pm #458

macherlasuresh
Participant

Hi
I created small model to get knowledge on pid block. I added dc-Motor for pid and output velocity from motor, has given to pid as feed back. Input for pid is subtraction result of input signal with feedback from motor angular velocity .I applied default options provided by map which is displayed after pressing tune button.I expected pid graph is like map which is shown but I did not achieve.
I need some inputs for this issue.

31 January, 2014 at 5:31 pm #459
cK
Keymaster
Not sure what map you are referring to. If you mean to say that you are getting a result different from what auto tune tool is showing its must be that you are tuning one signal and viewing another. See help text on PID block. The link below shows a quick demo on designing PID controller using control system toolbox, but the tuner tool is pretty much the same.

http://www.mathworks.in/videos/pid-control-design-with-control-system-toolbox-68748.html?type=shadow&s_tid=disc_rhs
- This reply was modified 10 years, 2 months ago by cK.
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