what is ment by PID controllers? explain with example?
Answers were Sorted based on User's Feedback
Answer / piyush gaur
p stand for proportional, i stand for integral , d stand for
derivative.
It is most widely used in industries. Its mechanism is based
on feedback(feedback controller). It calculate an error
value as the difference between a measured process variable
and a desired set point. it minimize the error.
| Is This Answer Correct ? | 5 Yes | 2 No |
why we are using boosters at glass furnace is there any other thing?
Level in tank under vacuum (Ex: Condensate Tank of Power Plant)is measured using D. P. type level transmitter. Tank is subjected to vacuum of 755mmHg. Is it possible to fill wet leg ( i.e. leg connected to top of vessel with low point of D. P. xmtr) with water?. Are there chances of water getting sucked under vacuum? if yes, what is the solution?
How to carry out hot loop checking of closed loop pf temperature control valve & temperature transmitter?
what is the difference about HART, and 4-20mA signal?
Decibel.
What is open loop and close loop?
4 Answers L&T, Pearl Distillery,
WHAT IS THE VALUE OF MICRON
why can't we use 5-20mA standard or some other instead of 4- 20mA?
Make Heater Process Logic.
how can loop single 4-20 ma to two isolation amplifier? i mean i have two isolation amplifier with 4-20 ma input and 1-5 v output.can i done series connection ?
HOw To Use 24V DC in Instrument?
List three types Level Gauges with their working principles
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)