CONTROL SYSTEMS QUIZ

Type and order of transfer function G (s) = K / {s(s + 2)}

1, 2.

2, 1.

0, 2.

1, 1.

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The type number of the control system with G(s) = k(s+2)/(s(s²+2s+3) is

2

3

0

1

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Lead compensator is used to improve ------------------

Steady state response

Transient response

None of these

Both 1 and 2

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A unity feed back system has forward transfer function The range of k for the system to be stable is

0 < k < 3900.

0 < k < 390.

None of these

0 < k < 39.

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The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is

(2s+2)/(s+1)²

(2s+1)/(s+1)²

(2s+2)/s²

(2s+1)/s²

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The step response of the system described by the differential equation will be

e-3t u(t).

non of above.

(1/6)*(1-e-6t).

e6t.

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A first order control system is initially at 0 V and subjected to a sudden input at t=0. Its output reaches 1.1 V in 4 sec and eventually reaches steady state of 2 V. Find the time constant?

4 sec

6 sec

2 sec

5 sec

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what is the Laplace transform of a function δ(t-2)?

e-2s

2s

2

0

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The open loop transfer function of a unity feedback control system is G(s) = 1/((s(s+0.1s)(s+1)). The value of damping factor for which the resonant peek is equal to 1.4 is

0.386

0.953

0.707

0.263

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Which of the following statement is/are true statements?

All of these

Type of the system is obtained from open loop transfer function

The steady state analysis depends on type of the system

Transient state analysis depends on order of the system

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