The phase of lead compensator of the system G ( s ) = ( s + a ) / ( s + b ) is maximum at
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The value of gain margin of the system having G ( s )H ( s ) = 8 / ( s + 2 )^{3} is
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The open loop transfer function for unity feedback system is given by 5(1+0.1s) / (s(1+5s)(1+20s)) Find the steady state error for a ramp input of magnitude 10 is equal to
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For lead compensator pole lies
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An open loop, represented by the transfer function G ( s ) = ( s  1 ) / ( s + 2 )( s + 3 ), is
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Lead network is used to improve
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Time taken by the response to reach and stay within a specified error is called
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Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is
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A function of one or more variable which conveys information one to nature of physical phenomenon is called
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By using which of the following elements, mechanical translational systems are obtained?
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Find the Laplace transform for sinωt?
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The characteristic equation of a feedback control is 2s^{4} + s^{3} + 3s^{2} + 5s + 10 = 0. The no of roots in the right half of the splane is
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The second order system is defined by 25 / ( s^{2} + 5s + 25) is given step input. The time taken for the output to settle with in 2 % of input is
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A system is stable for
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Name test signals used in time response analysis?
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A lead compensator used for a closedloop controller has the following transfer function. For such a lead compensator
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Number of roots in left hand half of s plane if characteristic equation is s^{3}  4s^{2} + s + 6 = 0 ?
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For type 1 system with parabolic input, the steady state error is
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If a body has identical properties all over, it is known as
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The type number of the control system with G(s) = k(s+2)/(s(s²+2s+3) is
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The transfer function of two compensator are given below which one is correct?
C_{1} = 10(s+1)/s+10 and C_{2} s+10/10(s+1)
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The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the final value?
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The amplitude spectrum of a Gaussion pulse is
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Type and order of transfer function G ( s ) = K / {s( s + 2 )}
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Time taken for the response to raise from zero to 100 % for very first time is called
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In control system integrator is represented by
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what is the Laplace transform of a function δ(t2)?
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Which of the following is the analogous quantity for mass element in forcevoltage analogy?
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The impulse response of a linear system is e^{t}, (t > 0). The corresponding transfer function is
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A linear time invariant system has an impulse response e^{2t} for t > 0 . If initial condition are 0 and input is e^{3t}, the output for t > 0 is