MCQOPTIONS
Bookmark
Saved Bookmarks
→
Control Systems
→
Root Locus Concept in Control Systems
→
PHASE_MARGIN_IS_ALWAYS_POSITIVE_FOR_STABLE_FEEDBAC..
1.
PHASE_MARGIN_IS_ALWAYS_POSITIVE_FOR_STABLE_FEEDBACK_SYSTEM??$
A.
True
B.
False
Answer» B. False
Show Answer
Discussion
No Comment Found
Post Comment
Related MCQs
In closed loop control system, what is the sensitivity of the gain of the overall system, M to the variation in G?
Phase margin is always positive for stable feedback system?
How many roots with positive real parts do the equation s3+s2-s+1=0 have?
For what values of K does the polynomial s4+8s3+24s2+32s+K=0 have roots with zero real parts?
Which of the following may result in instability problem?
The characteristic equation of a control system is given by s5+s4+2s3+2s2+4s+6=0. The number of the roots of the equation which lie on the right half of s-plane:
The characteristic equation of a system is 2s5+s4+4s3+2s2+2s+1=0 . Which one of the following is correct?
The characteristic equation of the control system is s5+15s4+85s3+225s2+274s+120=0 . What are the number of roots of the equation which lie to the left of the line s+1 = 0?
The open loop control transfer function of a unity feedback system is given by :G(s) =K/(s+2)(s+4)(s^2+6s+25)Which is the value of K which causes sustained oscillations in the closed loop system?
Assertion (A): The closed loop stability can be determined from the poles of an open loop system and the polar plot of the frequency response.Reason (R): Unstable system has right half poles.
Reply to Comment
×
Name
*
Email
*
Comment
*
Submit Reply