⧑ Industrial Control Group

What is "static feedback" and "dynamic feedback", difference of them?

What is "static feedback " and "dynamic feedback "? Thank you!

8 comments posted 18yrs

posted by YeDong.Ye

8 comments posted 18yrs posted by YeDong.Ye

quastion

why in 3 phases motors replacing beetween star &triangle takes 5 to7 seconds

4 comments posted 18yrs

posted by babak.firooz

4 comments posted 18yrs posted by babak.firooz

Robust Control Problem -> bug (Matlab Robust Control TB) or understanding problem?

Plz be so kind and look at the following link into the documentation of the mixed sensitivity function of matlab robust...

10 comments posted 18yrs

posted by stefan.e.ehrhardt

10 comments posted 18yrs posted by stefan.e.ehrhardt

Major re-write of sci.engr.* FAQ on Engineers and Quality

Because of a server error, a large section of the sci.engr.* FAQ on Engineers and Quality was cut off and lost. As it h...

1 comments posted 18yrs

posted by rgraham

1 comments posted 18yrs posted by rgraham

Disturbances plus Noise Considerations

Disturbances plus Noise Considerations Simulated/calculated for 1. PID controller (Page 2) 2. Feedforward plus PID plus...

0 comments posted 18yrs

posted by janch

0 comments posted 18yrs posted by janch

dynamic mode for optimal control

Hi All, I am working on a dyamic control of a mobile robot. I have developed a nonlinear dynamic model. What I am not s...

3 comments posted 18yrs

posted by everteq

3 comments posted 18yrs posted by everteq

How can i read from Modbus/TCP

Greetings all, Can some one point me of in the right direction, i need to read a value to from a modbus device, which i...

5 comments posted 18yrs

posted by notabob

5 comments posted 18yrs posted by notabob

New software for modeling Grafcet

SFCEDIT is a software for modeling complex grafcets according to IEC 60848 standard. Unlike classical drawing software,...

1 comments posted 18yrs

posted by stephane.dimeglio

1 comments posted 18yrs posted by stephane.dimeglio

Industrial Ethernet Design

I'm a network admin in a small manufacturing plant, and as part of my responsibilities, I oversee all the Ethernet in t...

2 comments posted 18yrs

posted by masdog

2 comments posted 18yrs posted by masdog

Starting a project to automate the mixing of salt water...

Hi all: I'm beginning a project to automate the mixing of salt water. Variables to be controller are the salinity, ph,...

17 comments posted 18yrs

posted by davidd31415

17 comments posted 18yrs posted by davidd31415

LQR calculation of damping/ natrual frequency?

Yes.. this is a homework-- I think I've figured out part of the problem but can't find any info on how to do the second...

4 comments posted 18yrs

posted by bo

4 comments posted 18yrs posted by bo

Challenge for best Feedforward/Feedback control

On the basis of Peter's data set I tried to find the best control. Data set: Time, Position, Control Output 0,0,1 0.1,0...

22 comments posted 18yrs

posted by janch

22 comments posted 18yrs posted by janch

Heat loss in a control panel

Hello, I am trying to figure out how to effectively cool a control cabinet which has a VFD in it. And I don't want to d...

7 comments posted 18yrs

posted by andrewkgentile

7 comments posted 18yrs posted by andrewkgentile

Why would you model a system as 5th order when a 2nd order approximation is apparently close enough?

Andrew, I calculated PID gains for the second order model that you calculated. You can see that my PID gains work very...

7 comments posted 18yrs

posted by pnachtwey

7 comments posted 18yrs posted by pnachtwey

CFP: The 7th International Symposium on Intelligent Automation and Control

The 7th International Symposium on Intelligent Automation and Control (ISIAC 2008) will be held on the Kohala Coast of...

0 comments posted 18yrs

posted by parker

0 comments posted 18yrs posted by parker