Control Systems Objective Questions & Answers
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Find the conditions for the system to be stable?
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What is the effect of gain margin when the system gain is doubled?
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If the transfer function of a phase lead compensator is (s+a)/(s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied?
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The transfer function of phase lead compensator is given by G(s) = (1 + TS)/(1 + αTS), where, T > 0, α < 0. What is the maximum phase shit provided by this compensator?
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A open loop transfer function is given as G(s) = (s+2)/(s+1)(s1). Find the number of encirclements about '1+j0'?
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A controller transfer function is given by C(s) = (1+2s)/(1+0.2s). What is its nature and parameter?
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With regard to filtering property, the lead compensator is
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The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is
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The characteristic equation of a control system is given below: F(s) = s4 + s3³ +3s² + 2s +5 =0. The system is
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The following transfer function represents a phaselead compensator?
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Which of the following is/are represents the lead compensator?
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Error at corner frequency ω_{cf} of first order system is 
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The maximum phase lag occurs at the  of the two corner frequencies?
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For a second order under damped system subjected to unit step input the time response has first peak value to be 4 times the second over shoot. Determine the damping ratio ξ ?
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Which of the following is/are represents the lag compensator?
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To achieve the optimum transient response, the indicating instruments are so designed as to
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Consider the following statements for phase lead compensation:
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Find the angles of asymptotes of the open loop transfer function G(s) = k(s + 1)/((s(s+2)(s+4)?
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Find the bandwidth of the system, when rise time of the system is give as 1msec?
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The transfer function of a phase lead compensator is given by: G(s) = (1 + 3Ts)/(1 + Ts)where T>0. What is the maximum phase shift provided by such a compensator?
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Negative feedback in a closed loop control system
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The compensator G(s) = 5(1 + 0.3s)/(1 + 0.1s) would provide a maximum phase shift of
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Find the corner frequency for the following transfer function? G(s) = 1/(s+2)
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The closed loop transfer function of a unity feedback control system is 9/(s² + 3s + 9), then the type of the system is
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A transfer function is given as G(s) = (s²+9)(s+2)/(s+4)(s+3)(s+9) The steady state sinusoidal response will become zero at a frequency response is
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Angle condition for complimentary root locus or inverse root locus is
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A transfer function has its zero in the right half of the splane. The function
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The open loop transfer function of a unity feedback system is given by G(s) = 1/(s+2)². The closed loop transfer function will have poles at
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The open loop transfer function of non unity negative feedback system is G(s) = ks/((s+1)(s+2)), then the number of root locus branches equal to
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Find the stability for the following transfer function? G(s) = 50/s(s+5)
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Take All Tests :
Control Systems Objective Questions & Answers – Set 1
Control Systems Objective Questions & Answers – Set 2
Control Systems Objective Questions & Answers – Set 3
Control Systems Objective Questions & Answers – Set 4
Control Systems Objective Questions & Answers – Set 5
Control Systems Objective Questions & Answers – Set 6
Control Systems Objective Questions & Answers – Set 7
Control Systems Objective Questions & Answers – Set 8