⧑ Industrial Control Group

  1. Home
  2. ⧑ Industrial Control Group
2150 Threads Posts
to

PID control

Is it true that tuning of PID parameters are purely heuristic? Are there no algorithms or formula to get the parameters?
1 comments posted 18yrs
posted by hlseck
1 comments posted 18yrs posted by hlseck

ADC, DAC, servomotor.

Does anybody know what is popular ADC, DAC, and servomotor available nowadays. Should i contruct my own? thank you. Rega...
1 comments posted 18yrs
posted by mr_bean_curdy
1 comments posted 18yrs posted by mr_bean_curdy

Autopilot: Altitude control system

Does anybody know how the vertical component of the wind is controlled in a autopilot, control system? Is it discreet?...
3 comments posted 18yrs
posted by mr_bean_curdy
3 comments posted 18yrs posted by mr_bean_curdy

Inverse tangent

Let w1 = tan-1(x) i.e. tan(x) = w1 w2 = tan-1(y) i.e. tan(y) = w2 w3 = w1 - w2 problem what is tan(w3) in terms of x an...
6 comments posted 18yrs
posted by mr_bean_curdy
6 comments posted 18yrs posted by mr_bean_curdy

I'm newbie so I might understand more

Dear JCH! Even if You gain no applause on this group, the target You aim to is very good. And it's a dream for every co...
35 comments posted 18yrs
posted by rseku
35 comments posted 18yrs posted by rseku

Positive Position Feedback

Hello group! Have u heard of 'Positive Position Feedback' control technique?This i sused in vibration suppression. If u...
7 comments posted 18yrs
posted by snovite2002
7 comments posted 18yrs posted by snovite2002

conjugate

Suppose u(t) = sin(t). What is u*(t) (conjugate of u(t) )? Thanks. Regard, Boen S. Liong
1 comments posted 18yrs
posted by mr_bean_curdy
1 comments posted 18yrs posted by mr_bean_curdy

s = jw (2025 Update)

Hi, The main mathematical tool engineers use in control is Laplace transforms which enable one to take an ordinary diff...
14 comments posted 18yrs
posted by james.richard.forbes
14 comments posted 18yrs posted by james.richard.forbes

Modelling Hydraulic Systems

I was about to respond to a comment by Peter in the PIDD thread, then I realized it'd hijack the thread. So... Peter me...
27 comments posted 19yrs
posted by tim
27 comments posted 19yrs posted by tim

Petty concept forgotten

hello guys, Plz show me theoritically how this system: y(t) = x(2t) is linear(i.e it has the properties of scaling and s...
1 comments posted 19yrs
posted by aiabbasi
1 comments posted 19yrs posted by aiabbasi

Brand new Foxboro I/A Modules for sale

Please visit stores.ebay.com/surplus-universe. Mention that you saw this newsgroup post, and take off 40% Thank you !
0 comments posted 19yrs
posted by Ta.cell
0 comments posted 19yrs posted by Ta.cell

PID , PIDD , ART

Hi all, Who could explain me the difference between PID , PIDD and ART (active reasoning technology) ? These computatio...
11 comments posted 19yrs
posted by blanchetepj
11 comments posted 19yrs posted by blanchetepj

Input shaping

I didn't want to hijack Doug Cooper's thread and this topic deserves its own. > also feel inclined to mention something...
0 comments posted 19yrs
posted by pnachtwey
0 comments posted 19yrs posted by pnachtwey

Unusual Diff. Pressure switch sought

I'm dealing with a control problem that involves a differential pressure (D.P.) switch mounted across the check valve a...
11 comments posted 19yrs
posted by mj.hamill
11 comments posted 19yrs posted by mj.hamill