what is the difference between Feedback controller and Feed
forward controller. and when it is to be used.
Answer Posted / jai
feed back controller is slow response ,feed forward is fast
response loop,becuae we are measuring the process value
before the control element.we can use wher we required fast
response.actually both loop prsent in the case cad control.
| Is This Answer Correct ? | 27 Yes | 5 No |
Post New Answer View All Answers
which type of zones used for boiler? & why ?
How an rtd work, and what volts/current goes to a rtd to measure the resistance?
How process line mpm calculation is done?
We are using Rosemount 5400 series Radar Level Transmitters in all types of Sump Applications having oily water hdrocarbon petrochemical nature. What we are facing the problem frequently is that always getting reading frezzed at some value. If we do power recycling , sometimes it is working . then making same freezing problem. If anybody faced before such type of problem and also having solution , Please give the answer.
I want to apply for the universities in US,but i got the GRE score of (650+300=950)TOEFL 69/120.Is this score sufficient for applying universities please i am married i need to go to US because my husband didn't get H1 yet.please send me suggestion
How hart protocol can be connected with control valves?
in valve is constructed as per SME B 16.34, then which standard is used for fire testing of valve?.
Make a ladder diagram on LSL valve will close, on PSL valve will open and start the motor
how to turbine speed measurement?
I have energy meter for educational project having 0.5s class but my friend need 0.2s class meter , which one is good for that purpose and what is the actual difference of that two classes , need very easy example also.??
How u measure the massflow in orifice flow measurement techniques
In a gas over oil actuator, after the opening/closing of valve, how the gas is vented out? How does the hydraulic/gas circuit function?
how many pulses are required by a ac induction servo motor of 4 poles with 50 Hz frequency to rotate by 1 degree?
how can leve transmetter calibate in feild .and also put cv and flow plz .....
What is PDS and PDMS ?