All Courses
Explore Courses UPSC Exam UPSC Test Series Free Notes EduRev Infinity Get the App Login Join for Free
Sign in Open App
Electrical Engineering (EE) Exam  >  Electrical Engineering (EE) Questions  >  PID controllers are tuned on the frequency re... Start Learning for Free
SaveJoin the Discussion on the App
PID controllers are tuned on the frequency response of the closed-loop system by
  • a)
    using the open-loop gain corresponding to marginal stability
  • b)
    using the maximum amplitude of response
  • c)
    using maximum value of phase
  • d)
    using minimum value of phase
Correct answer is option 'A'. Can you explain this answer?
FREE This question is part of
Download PDF Attempt Test
Download PDF Attempt this Test
Most Upvoted Answer
PID controllers are tuned on the frequency response of the closed-loop...
PID controller:
PID stands for Proportional, Integral, and Derivative.
It is used to increase the stability and accuracy of the system.
The PID controller's circuit diagram is shown below:

Tuning methods:
Some of the tuning methods are mentioned below
  • Trial and Error method.
  • Process reaction curve technique
  • Ziegler-Nicholas method.
Process reaction curve:
  • It is an open-loop tuning technique.
  • It produces a response when a step input is applied to the system.
  • Initially, we have to apply some control output to the system manually and have to record the response curve.
The PID controllers are tuned by using the open-loop gain corresponding to marginal stability.
​Important points:
  • PID controller acts as a Band rejection filter.
  • It reduces rise time and increases the Bandwidth.
  • It decreases peak overshoot and increases the damping ratio.
  • It works like the Lag-Lead compensator.
Free Test
FREE
Start Free Test
Start Free Test
Community Answer
PID controllers are tuned on the frequency response of the closed-loop...

Open-Loop Gain Corresponding to Marginal Stability

In tuning PID controllers on the frequency response of the closed-loop system, it is common practice to use the open-loop gain corresponding to marginal stability. This is because at this point, the system is on the verge of instability, making it a critical parameter for tuning the controller.

Explanation

- When the system is at marginal stability, the open-loop gain can provide crucial information about the system's dynamics and response characteristics.
- By using the open-loop gain at this point, engineers can determine the critical gain margin needed to stabilize the system.
- Tuning the PID controller based on the open-loop gain corresponding to marginal stability helps ensure that the system remains stable while achieving the desired performance specifications.

Importance of Open-Loop Gain at Marginal Stability

- The open-loop gain at marginal stability serves as a reference point for tuning the PID controller to achieve stability and optimal performance.
- It helps engineers understand the system's behavior at critical points and make informed decisions about controller parameters.
- By focusing on this specific parameter, engineers can effectively adjust the controller to meet the system's requirements without compromising stability.

In conclusion, using the open-loop gain corresponding to marginal stability is a key aspect of tuning PID controllers on the frequency response of the closed-loop system. This approach ensures that the controller is optimized for stability and performance, making it an essential step in the design process.
< Previous Question Next Question >
Explore Courses for Electrical Engineering (EE) exam

Top Courses for Electrical Engineering (EE)View all

Top Courses for Electrical Engineering (EE)

PID controllers are tuned on the frequency response of the closed-loop system bya)using the open-loop gain corresponding to marginal stabilityb)using the maximum amplitude of responsec)using maximum value of phased)using minimum value of phaseCorrect answer is option 'A'. Can you explain this answer?
Question Description
PID controllers are tuned on the frequency response of the closed-loop system bya)using the open-loop gain corresponding to marginal stabilityb)using the maximum amplitude of responsec)using maximum value of phased)using minimum value of phaseCorrect answer is option 'A'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about PID controllers are tuned on the frequency response of the closed-loop system bya)using the open-loop gain corresponding to marginal stabilityb)using the maximum amplitude of responsec)using maximum value of phased)using minimum value of phaseCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for PID controllers are tuned on the frequency response of the closed-loop system bya)using the open-loop gain corresponding to marginal stabilityb)using the maximum amplitude of responsec)using maximum value of phased)using minimum value of phaseCorrect answer is option 'A'. Can you explain this answer?.
Solutions for PID controllers are tuned on the frequency response of the closed-loop system bya)using the open-loop gain corresponding to marginal stabilityb)using the maximum amplitude of responsec)using maximum value of phased)using minimum value of phaseCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Electrical Engineering (EE). Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free.
Here you can find the meaning of PID controllers are tuned on the frequency response of the closed-loop system bya)using the open-loop gain corresponding to marginal stabilityb)using the maximum amplitude of responsec)using maximum value of phased)using minimum value of phaseCorrect answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of PID controllers are tuned on the frequency response of the closed-loop system bya)using the open-loop gain corresponding to marginal stabilityb)using the maximum amplitude of responsec)using maximum value of phased)using minimum value of phaseCorrect answer is option 'A'. Can you explain this answer?, a detailed solution for PID controllers are tuned on the frequency response of the closed-loop system bya)using the open-loop gain corresponding to marginal stabilityb)using the maximum amplitude of responsec)using maximum value of phased)using minimum value of phaseCorrect answer is option 'A'. Can you explain this answer? has been provided alongside types of PID controllers are tuned on the frequency response of the closed-loop system bya)using the open-loop gain corresponding to marginal stabilityb)using the maximum amplitude of responsec)using maximum value of phased)using minimum value of phaseCorrect answer is option 'A'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice PID controllers are tuned on the frequency response of the closed-loop system bya)using the open-loop gain corresponding to marginal stabilityb)using the maximum amplitude of responsec)using maximum value of phased)using minimum value of phaseCorrect answer is option 'A'. Can you explain this answer? tests, examples and also practice Electrical Engineering (EE) tests.
Explore Courses for Electrical Engineering (EE) exam

Top Courses for Electrical Engineering (EE)

Explore Courses

Suggested Free Tests

Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Get App
© EduRev
Education Revolution
Follow Us
Signup to see your scores go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup