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GATE 2019 :Rapid Mini Mock Control Systems
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Question 1
The Nquist plot of a system passes through (-1,0) point in the GH plane. The phase margin of the system is
Question 2
The closed loop transfer function of a system is
The number of poles having positive real part is
The number of poles having positive real part is
Question 3
Figure shows the bode magnitude plot of a system. The minimum phase transfer function of the system is given by
Question 4
The gain margin (in dB) of a system having the open loop transfer function
Question 5
In the signal flow diagram given in the figure u1 and u2 are possible inputs possible inputs whereas y1 and y2 are possible outputs. When would the SISO system derived from this diagram be controllable and observable?
Question 6
In the electrical circuit shown below,
The ratio of is
The ratio of is
Question 7
The steady state error of a unity feedback system having loop transfer function due to input r(t) = 3t2 is
Question 8
The unit-step response of a unity feedback system with open loop transfer function is shown in the figure below:
The value of K is
The value of K is
Question 9
The Bode magnitude plot of the Transfer Function is shown below:
Note that ‒6 dB/octave = ‒20 dB/decade. The value of is _____.
Note that ‒6 dB/octave = ‒20 dB/decade. The value of is _____.
Question 10
At which value of Kc the system is stable?
Question 11
Given below is an asymptotic bode plot representing an open-loop transfer function.
How many non-zero poles does the transfer function contain?
How many non-zero poles does the transfer function contain?
Question 12
An open loop transfer function of a unity feedback system is
If the gain of the system is increased to 16 and the zeros are removed. Then the steady state error for step input is _________.
If the gain of the system is increased to 16 and the zeros are removed. Then the steady state error for step input is _________.
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Jun 23ESE & GATE EC