Find parameters of PID for unkonwn transfer function of Plant and known reference.
in [Matlab]
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From: Abdullah on 5 Jan 2010 15:01 Hi all, I want to know how to find PID parameters if we know the reference trajectory but the transfer function of Plant is not known. Manual tuning will obviously take time and I have tried a lot but unsuccessful. The Plant can't follow the desired trajectory. Is there any way of self-tuning or auto-tuning for this Plant?
From: Arkadiy Turevskiy on 12 Jan 2010 16:14 "Abdullah " <abdullahumer(a)yahoo.com> wrote in message <hi05qg$ngp$1(a)fred.mathworks.com>... > Hi all, > > I want to know how to find PID parameters if we know the reference trajectory but the transfer function of Plant is not known. > > Manual tuning will obviously take time and I have tried a lot but unsuccessful. The Plant can't follow the desired trajectory. > > Is there any way of self-tuning or auto-tuning for this Plant? One approach could be to collect some input/output data for the plant, and use system identification to get a plant model. Once you have this model you can use PID Tuner in Control System Tooobox to automatically get you PID gains. Arkadiy
From: Abdullah on 12 Jan 2010 18:26 " > One approach could be to collect some input/output data for the plant, and use system identification to get a plant model. Once you have this model you can use PID Tuner in Control System Tooobox to automatically get you PID gains. > Arkadiy Thanks Arkadiy.
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