PID: why there is no oscillation on my results
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Hi all, In my simulink file, there is PID controller and s-function block diagram.Refer below
<<http://s1009.photobucket.com/albums/af218/syarinazulkifeli/?action=view¤t=diagram.jpg>>
My manipulated variable is heat, control variable is reactor temperature. so, my result of reactor temperature without controller is as below:
<<http://s1009.photobucket.com/albums/af218/syarinazulkifeli/?action=view¤t=reactorT.jpg>>
However, after put in proportional parameter until 2.3e4, there is no oscillation on my reactor temperature result, only got this result,
<<http://s1009.photobucket.com/albums/af218/syarinazulkifeli/?action=view¤t=result.jpg>>
i changed a lot of numbers for proportional parameter but still no oscillation appear.if the maximum number,only straight line result comes out.i do not know what should i do.I hope somebody can help me... Thank You
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Arkadiy Turevskiy
2012년 4월 9일
your images do not display, so hard to help you without seeing the model
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