CONTROL SYSTEMS QUIZ

Lead network is used to

improve steady state response.

increase bandwidth.

both A and C.

improve transient response.

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The transfer function of the system described by d²/dt²(y(t)) + 3d/dt(y(t)) + 2y(t) = 5u(t) with u(t) as input and y(t) as output is

5/(s²+3s+2)

(s²+3s+2)/5

5/s(s²+3s+2)

s(s²+3s+2)/5

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Angle of asymptotes for complimentary root locus is

(2q+1)*180/P

(2q+1)*180/(P-Z)

(2q)*180/P

(2q)*180/(P-Z)

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In signal flow graph output node is node having only------------

incoming branches

outgoing branches

None of these

both 1 and 2

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Find the corner frequency for the following transfer function? G(s) = 1/(s+2)

1/4 rad/s

4 rad/s

1/2 rad/s

2 rad/s

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A proportional plus derivative controller

both 1 and 2

has high sensitivity

improves the steady state accuracy

increases the stability of the system

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Which of the following transfer functions represent under damped second order systems?

4/(s² + 2s + 4)

2/(s² + 2s + 2)

All of these

1/(s² + s + 1)

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Lowest critical frequency is due to zero and it may be present at the origin or nearer to the origin, then the type of network is

LC circuit.

RLC circuit.

RC circuit.

RL Circuit.

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If the bandwidth of the system is very large, the system response is

faster

slower

independent of bandwidth

None of these

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Differentiation of parabolic response is a -------------- response?

parabolic

ramp

impulse

step

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