Control system
Control System Quiz
Test your knowledge on control systems with this engaging quiz! Designed for students and professionals alike, this quiz covers various topics related to transfer fun
Participate to:
- Enhance your understanding of control systems
- Challenge yourself with multiple-choice questions
- Track your progress and knowledge in the field
The transfer function (y(s)/R(s)) for the system is
2(S+1)/S^3-6S^2+10S-2
2(S+2)/S^3+6S^2+10S+2
2(S-1)/S^3+6S^2+10S+2
2(S+1)/S^3+6S^2+10S+2
2(S+1)/S^3+2S^2+10S+2
The output of a feedback control system must be a function of :
Reference and input
Output and feedback signal
Input and feedback signal
Output and feedback signal
Reference and output
The roots of the transfer function is have an effect on the stability of the system.
True
False
Roots on the Jw- axis makes the system
Stable
Linear
Unstable
Marginally stable
Does not effect
If root of the characteristic equation is complex and has positive real part the system is
Stable
Marginally Stable
Unstable
Linear
The sign not effect on system
Routh Hurwitz criterion gives:
Number of roots in the top half of the s-plane
Number of roots in the right half of the s-plane
Value of the roots
Number of roots in the left half of the s-plane
All above true
The characteristic equation of a system is given as s^4+4s^3+5s^2+7s+6=0. This system is :
Stable
Marginally Stable
Unstable with 2 pole on RHP
Linear
Unstable with 3 pole on RHP
A linear system at rest is subject to an input signal r(t)=1-e^-t. The response of the system for t>0 is given by c(t)=1-e^-2t. The transfer function of the system is:
(s+2)/(s+1)
2(s+1)/(s+2)
(s+1)/(s+2)
(s+1)/2(s+2)
None
For figure above answer the 2 following question , the response of the system is
Over-damped
Critically damped
Undamped
Under damped
None
The transfer function of the system, G(s), is:
S−4/s^2−8s+16
((s+4)^2+9)/s^2+8s+16
S^2+6s+25/s^2+16s+64
(s+4)^2+25/(s+8)^2+8
None
For the signal flow graph above the transfer function for the system (y1/y5) is
G1G2G3/(1+G1G2H1+G2H2+G2G3H3)
(G1G2G3+G1G2H2)/(1+G1G3H1+G2G3H3+G3H2H3-G1H2H1)
(G1G2G3-G1G3H2)/(1+G1G2H1+G2G3H3-G3H2H3-G1H2H1)
(G1G2G3-G1G2H2)/(1+G1G2H1+G2G3H3-G3H2H3-G1H2H1)
G1G2G3+G1G3H/(1+G1G2H1-G2H2+G2G3H3)
For this transfer function answer the following two question if the damping factor is 0.8 ; what is the value of Wn ?
16
9
4
2
16
What is the value of K ?
1
0.14
1.14
0.15
0
None
The transfer function of the system in the figure is
0%
0
0%
0
0%
0
0%
0
For system whose input is r(t) and output is y(t), if the Transfer function T(s) = Y(s)/ R(s) = (s+6)/s^2+4s+8 , then the response y(t) of the system to impulse input,is:
Y(t) = e^−2t (cos2t - 2 sin2t)
Y(t) = e^−4t (cos2t + 6 sin2t)
Y(t) = e^−2t (cost + 2sin2t)
Y(t) = e^−4t (cost + 6sin2t)
Y(t) = e^−2t (cos2t + 2sin2t)
For a negative unity-feedback control system with open loop transfer function G(s), if the unit-step response of this control system is y(t) = 0.5 (1 − e^−4t )u(t), then the G(s) is:
G(s) = 1 / (s+2)
G(s) = 2 / (s+2)
G(s) = 1 / (s+3)
G(s) = 2 / (s+4)
None
For the system above answer the following 3 question ; If Gc(s) = K and D(s) =0 , what value of K will cause the steady-state error for a unit-ramp reference input to be 0.1
10
20
30
2
None
For the value of K in previous question what is the transfer function due to step input disturbance Td(s)
1/s^2+2s+20
1/s^2+2s+30
S/s^2+s+10
1/s^2+2s+10
S/s^2+2s+20
None
If D(s) =0 and we want a zero steady-state error for a unit-ramp reference input, then Gc(s) has the form (if K is a positive real number):
Ks
K/s
Ks+1
K
None
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