Do I convert the units?

2015 2 4
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更新时间：2021 8 20
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Hi all, I have rather simple question, but I'm not sure about the answer. If I simulate plant with a PID controller in simulink and variables have certain units (let say units are meters and seconds), do I have to convert those units if I'm working on a physical plant, that has different units (milimeters and minutes). Do the parameters of PID change?
Thanks in advance.

回答（1 个）

Rick Rosson
Rick Rosson 2015-2-4
编辑：Rick Rosson 2015-2-4

0 个投票

Yes.
I think Kp will remain unchanged, but Ki and Kd will both need to scale to account for the change in the time units.

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