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Icen 443 :Linear Systems And Control Ii Question Paper

Icen 443 :Linear Systems And Control Ii 

Course:Linear Systems And Control

Institution: Egerton University question papers

Exam Year:2007



1.)Name 3 advantages and a disadvantage of Frequency response techniques in control system analysis
2.)Define frequency response as applied to a physical system
3.)Name 2 ways to plot the frequency response
4.)Define Bode plot. What advantage do they have over nyquist diagrams
5.)What is the Major difference between Bode magnitude plots for first order Systems and for second order Systems
6.)Describe the change in the open loop frequency response magnitude plot if time delay is added to the plant
7.)State the nyquist stability criterion. For what kind of control Systems is it applicable to Systems with conditional stability and how
8.)Find the phase margin of a second order system and relate it to the damping ratio of an underdamped system.
9.)Define the following terms,
1.Gain margin
2.Phase margin
3.Bandwidth
4.Peak modulus
5.Peak frequency
10.)Define the following error constants
1.Position constant, Kp
2.Velocity constant, Kv
3.Acceleration constant, Ka
11.)Name 2 sources of steady state errors
12.)What does the term BIBO stability refer to




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