⧑ Industrial Control Group

PC Data Acquisition

This is slightly OT for all the groups I'm posting to, but something many of you should have done. I have a need to sam...

43 comments posted 13yrs

posted by tim

43 comments posted 13yrs posted by tim

typical RV Elec. schematic and info

hello, I purchased a used pickup camper shell that is made of fiberglass; very smooth and cool with a Euro look. Howeve...

1 comments posted 13yrs

posted by wireless

1 comments posted 13yrs posted by wireless

Bit OT: Surge risk with centrifugal blower

Single stage centrifugal blower, 500KW drive, discharge pressure about 30 KPag, suction more or less atmospheric. There...

1 comments posted 13yrs

posted by bv

1 comments posted 13yrs posted by bv

Boiler steam drum control

Boiler steam drum control is difficult because of the inverse response. Using adequate control techniques can be of grea...

0 comments posted 13yrs

posted by janch

0 comments posted 13yrs posted by janch

Process Dynamic and Control (Dale, Thomas and Duncan) - Graphical fitting of 1st order model using step test

If I can estimate K and ? from an actual step test data for an assumed first order system, how can I fit the test data...

15 comments posted 13yrs

posted by kamrulariffin.abdulghani

15 comments posted 13yrs posted by kamrulariffin.abdulghani

Instability on header system, any practical suggestions?

We have a troublesome system, it goes like this. A centrifugal pump has a control valve in the discharge, downstream th...

7 comments posted 13yrs

posted by bv

7 comments posted 13yrs posted by bv

How to design limit governor

Hi, do you have hints how to design a limit governor? I would calculate the dev iation from the maximum value (e.g. tem...

15 comments posted 13yrs

posted by pethiel79

15 comments posted 13yrs posted by pethiel79

"Torque" constant for shunt-wound motor

A regular DC motor has a torque that is proportional to the current: T = k_t * i A shunt-wound motor has a torque that...

4 comments posted 13yrs

posted by tim

4 comments posted 13yrs posted by tim

we need EGCP-1 woodward governor controller 2 nos. Pl send your offer

0 comments posted 13yrs

posted by Narayansamy T

0 comments posted 13yrs posted by Narayansamy T

Filtering for a Inverter PWM Driver

Hi, I am referring to two app. notes from Microchip - 1. PICREF-1 2. AN1279 These app.notes deal with making a Un-inter...

9 comments posted 13yrs

posted by anand.paralkar

9 comments posted 13yrs posted by anand.paralkar

PID control of gas chromats

After many years, I've come across a discontinuous analyser again, not a chromat but behaves the same. Takes a sample,...

2 comments posted 13yrs

posted by bv

2 comments posted 13yrs posted by bv

Modeling Hysteresis

Anyone have any pointers to mathematical models that they like which model hysteresis phenomena? Any hysteresis phenome...

10 comments posted 14yrs

posted by tim

10 comments posted 14yrs posted by tim

Process Dynamics and Control - Dale, Thomas and Duncan

Anyone using this book for study or reference? I need help on Section 7, page 167, example 7.1. I followed the example...

4 comments posted 14yrs

posted by kamrulariffin.abdulghani

4 comments posted 14yrs posted by kamrulariffin.abdulghani

Feed forward control question

Hi, I have a question regarding temperature control of a heat exchanger. There is a temperature sensor, a steam valve f...

9 comments posted 14yrs

posted by pethiel79

9 comments posted 14yrs posted by pethiel79

PLC Training in Coimbatore

PLC Training in Coimbatore www.hindustantechnologies.co.in www.facebook.com/hindustantechnologies

1 comments posted 14yrs

posted by hindustanlogeswari1991

1 comments posted 14yrs posted by hindustanlogeswari1991