Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / narayan
PID means Proportional , integral and derivative
these are actions of controller
Proportional controller- output is function of change in error. i mean change in error * gain
Small proportional band means High gain, minimal offset and possible cycling
Large PB means low gain, large offset and stable loop
Integral- this action which will be a function of deviation of error. As long as the error exists, the output will continue to change, is expressed in repeats/minute. Adding this action , adds one more gain component in the loop. The faster the action, the greater the gain.
It is nothing but afunction of magnitude and duration of error.
Fast integral- means High gain, Fast return to setpoint and possibly cycling
slow integral- low gain, slow return to setpoint, and stable loop.
Derivative action is a function of a speed of change in error.this action generate a corrective action immediately when the error starts changing and size eual to , P-mode would have generates.
This action makes a change equal to the proportional change 2 minutes before proportional only would have made the same change.
Fast rate= increase in gain, many cycles
Gain=100/Proportional Band
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
i am from instrument branch i want paper patern of mahagenco . any pevious years paper regarding my branch send me please . please.....
Isometric drawings are generated during _________________ phase of a project
What is the difference between modbus,fieldbus & profibus
what is interface level measurement.who can calibrate interface level measurement transmitter online
In dcs panel we are using diff type of modules ?what is module ? what is the use of modules ?diff type of module?
What is stripper & spilitter ? Diffrence in this.?
Difference between 2-Valve Manifolds, 3-Valve Manifolds and 5-Valve Manifolds 3 with diagram
What is the purpose of the analyzer in petrochemical plant?
what is the procedure for auto tune in masoneialn 12300 series displacer type transmitter?
How to work togather like sov,limit switch,proxy switch and booster in xv
how to connect transmitter measuring sulfur process? 1-by using long impulse line or 2- by using coated short impulse line
Meaning of the following a. IOP- Manimum; b. IOP- Maximu,;
please tel me the calibration of pneumatic controler.
why we take %i0.0 as input for twido plc
what is interface level and how it is calibrate?
