Control Systems Objective Questions & Answers – Set 3

The second order system is defined by 25 / ( s² + 5s + 25) is given step input. The time taken for the output to settle with in 2 % of input is

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

The transfer function of two compensator are given below which one is correct?
C₁ = 10(s+1)/s+10 and C₂ s+10/10(s+1)

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

For lead compensator pole lies

A function of one or more variable which conveys information one to nature of physical phenomenon is called

Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is

The phase of lead compensator of the system G ( s ) = ( s + a ) / ( s + b ) is maximum at

For type 1 system with parabolic input, the steady state error is

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

Find the Laplace transform for sinωt?

By using which of the following elements, mechanical translational systems are obtained?

Which of the following is the analogous quantity for mass element in force-voltage analogy?

In control system integrator is represented by

Time taken for the response to raise from zero to 100 % for very first time is called

The amplitude spectrum of a Gaussion pulse is

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

Number of roots in left hand half of s plane if characteristic equation is s³ - 4s² + s + 6 = 0 ?

An open loop, represented by the transfer function G ( s ) = ( s - 1 ) / ( s + 2 )( s + 3 ), is

Name test signals used in time response analysis?

A lead compensator used for a closed-loop controller has the following transfer function. For such a lead compensator

Lead network is used to improve

The characteristic equation of a feedback control is 2s⁴ + s³ + 3s² + 5s + 10 = 0. The no of roots in the right half of the s-plane is

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

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?

Time taken by the response to reach and stay within a specified error is called

A system is stable for

The impulse response of a linear system is e^-t, (t > 0). The corresponding transfer function is

If a body has identical properties all over, it is known as

The value of gain margin of the system having G ( s )H ( s ) = 8 / ( s + 2 )³ is