Re: PID controller: dummy questions

Subject	Re: PID controller: dummy questions
Newsgroups	comp.arch.embedded
References	<rd2odq$oiv$1@dont-email.me> <rd4dct$9dc$1@dont-email.me> <hln46jF6c4kU1@mid.dfncis.de>
From	Phil Martel <pomartel@comcast.net>
Message-ID	<ba4KG.51163$%p.11040@fx33.iad> (permalink)
Organization	UsenetServer - www.usenetserver.com
Date	2020-06-28 13:10 -0400

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On 6/26/2020 16:30, Hans-Bernhard Bröker wrote:
> Am 26.06.2020 um 10:59 schrieb pozz:
>>
>> The proportional term (P) of a PID controller can't mimic this "manual 
>> control", 
> 
> Nobody ever claimed it could.  A P-only controller simply won't meet 
> that goal.
> 
> That's a large part of the reason why everybody routinely talks about 
> full PID-controllers.
> 
> People know better than to just react linearly.  You would be doing a 
> good deal of D- and I-type controlling, too, and most likely some more 
> that doesn't fit into the PID model at all.  Especially if it's not the 
> first time ever you've been turning that knob.  You will have got a 
> "feel" for it after just a few tries.
> 
> Nobody in their right mind ever claimed the human brain was as bluntly 
> stupid as a P controller.  A PID controller is still way simpler than 
> what you would do yourself.  We use them not because they're better at 
> the job than humans, but rather because they're cheaper and more 
> reliable in the long run.
> 
> All said, I believe your apparent frustration at the answer you've found 
> has more to do with asking the wrong question than with anything else.

I've found Tim Wescott's website helpful
https://www.wescottdesign.com/

Especially this:
https://www.wescottdesign.com/articles/pid/pidWithoutAPhd.pdf


-- 
Best wishes,
--Phil
pomartel At Comcast(ignore_this) dot net

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PID controller: dummy questions pozz <pozzugno@gmail.com> - 2020-06-25 19:55 +0200
  Re: PID controller: dummy questions Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2020-06-25 21:14 +0200
  Re: PID controller: dummy questions DJ Delorie <dj@delorie.com> - 2020-06-25 15:29 -0400
    Re: PID controller: dummy questions David Brown <david.brown@hesbynett.no> - 2020-06-26 08:43 +0200
  Re: PID controller: dummy questions Richard Damon <Richard@Damon-Family.org> - 2020-06-25 22:21 -0400
  Re: PID controller: dummy questions pozz <pozzugno@gmail.com> - 2020-06-26 10:59 +0200
    Re: PID controller: dummy questions David Brown <david.brown@hesbynett.no> - 2020-06-26 11:07 +0200
    Re: PID controller: dummy questions Rick C <gnuarm.deletethisbit@gmail.com> - 2020-06-26 09:10 -0700
    Re: PID controller: dummy questions Richard Damon <Richard@Damon-Family.org> - 2020-06-26 12:29 -0400
      Re: PID controller: dummy questions Rick C <gnuarm.deletethisbit@gmail.com> - 2020-06-26 12:00 -0700
        Re: PID controller: dummy questions Richard Damon <Richard@Damon-Family.org> - 2020-06-26 22:24 -0400
          Re: PID controller: dummy questions Paul Rubin <no.email@nospam.invalid> - 2020-06-26 21:41 -0700
            Re: PID controller: dummy questions DJ Delorie <dj@delorie.com> - 2020-06-27 01:15 -0400
              Re: PID controller: dummy questions Paul Rubin <no.email@nospam.invalid> - 2020-06-26 23:12 -0700
                Re: PID controller: dummy questions Rick C <gnuarm.deletethisbit@gmail.com> - 2020-06-27 00:07 -0700
                Re: PID controller: dummy questions pozz <pozzugno@gmail.com> - 2020-06-27 16:53 +0200
                Re: PID controller: dummy questions David Brown <david.brown@hesbynett.no> - 2020-06-27 17:31 +0200
                Re: PID controller: dummy questions Rick C <gnuarm.deletethisbit@gmail.com> - 2020-06-27 10:09 -0700
                Re: PID controller: dummy questions Rick C <gnuarm.deletethisbit@gmail.com> - 2020-06-27 15:44 -0700
                Re: PID controller: dummy questions Richard Damon <Richard@Damon-Family.org> - 2020-06-27 12:34 -0400
                Re: PID controller: dummy questions DJ Delorie <dj@delorie.com> - 2020-06-27 11:51 -0400
            Re: PID controller: dummy questions Rick C <gnuarm.deletethisbit@gmail.com> - 2020-06-26 23:06 -0700
              Re: PID controller: dummy questions Paul Rubin <no.email@nospam.invalid> - 2020-06-26 23:18 -0700
                Re: PID controller: dummy questions Rick C <gnuarm.deletethisbit@gmail.com> - 2020-06-27 00:23 -0700
            Re: PID controller: dummy questions Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2020-06-27 10:28 +0300
            Re: PID controller: dummy questions Richard Damon <Richard@Damon-Family.org> - 2020-06-27 18:13 -0400
    Re: PID controller: dummy questions Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2020-06-26 22:30 +0200
      Re: PID controller: dummy questions Phil Martel <pomartel@comcast.net> - 2020-06-28 13:10 -0400

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