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What is the difference between parallel and standard form of pid controller that is provided by pidtool in Matlab simulink? In terms of block diagram?

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  • \$\begingroup\$ please read the documentation that comes with it. \$\endgroup\$ – Marcus Müller Oct 27 '19 at 8:17
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The equations are slightly different and its a difference between time constants and gains.

enter image description here

Source: https://www.mathworks.com/help/control/ug/proportional-integral-derivative-pid-controllers.html

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  • \$\begingroup\$ How will be both these different in terms of block diagram? \$\endgroup\$ – Man Oct 17 '19 at 16:41
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    \$\begingroup\$ @Man Ah ha, you see, that's the fun part of engineering. The block diagram is how you define to be as long as you're being consistent with your specifications. \$\endgroup\$ – user103380 Oct 17 '19 at 17:27
  • \$\begingroup\$ They are equivalent, only the constants change. \$\endgroup\$ – Voltage Spike Oct 17 '19 at 18:21
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Parallel form means controller will be connected parallel to plant and standard form means controller will be connected in series .

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  • \$\begingroup\$ Please edit your question and add enough information so we can understand what you are asking. Is a plant something that grows in the ground, a manufacturing facility, etc? \$\endgroup\$ – Gil May 14 at 2:03

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