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## Re: How Tune PID in octave using Frequency Response data

**From**: |
Torsten Lilge |

**Subject**: |
Re: How Tune PID in octave using Frequency Response data |

**Date**: |
Fri, 24 Jul 2020 19:20:24 +0200 |

On Fri, 2020-07-24 at 08:31 -0500, shall689 wrote:
>* Hello,*
>* *
>* I have the frequency response data of a plant. What steps would I take*
>* to*
>* tune a PID in octave?*
>* *
>* Thanks,*
>* Stephen*
>* *
Hello Stephen,
Besides considering the stability margins with nyquist(), bode() or
margin(), you can also consider the following tools/methods from the
control package:
* optiPID to tune the PID controller based on an integral optimization
criteria
* rlocus() to plot the root locus for the closed loop depending on the
open loop gain
* rlocusx(), newly added to the control packages (but not yet in the
released version), which allows to get resulting controller gains for
specific root locations and plot related open loop bode, nyquist and
margin plots together with the step response of the closed loop
Best
Torsten

**Re: Re[2]: How Tune PID in octave using Frequency Response data**, *(continued)*
**Re: How Tune PID in octave using Frequency Response data**, *Nicklas SB Karlsson*, `2020/07/24`
**Re: How Tune PID in octave using Frequency Response data**, *shall689*, `2020/07/24`
**Re: How Tune PID in octave using Frequency Response data**, *N*, `2020/07/27`
**Re: How Tune PID in octave using Frequency Response data**, *shall689*, `2020/07/28`
**Re: How Tune PID in octave using Frequency Response data**, *N*, `2020/07/28`
**Re: How Tune PID in octave using Frequency Response data**, *N*, `2020/07/28`
**Re: How Tune PID in octave using Frequency Response data**, *Torsten Lilge*, `2020/07/28`
**Re: How Tune PID in octave using Frequency Response data**, *N*, `2020/07/28`
**Re: How Tune PID in octave using Frequency Response data**, *Torsten Lilge*, `2020/07/29`

**Re: How Tune PID in octave using Frequency Response data**,
*Torsten Lilge* **<=**