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Control Systems

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

 2
 0
 3
 1

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Control Systems
The characteristic equation of a control system is give by s(s + 4)(s² + 2s + 1) + k(s + 1) = 0. Find the angle between the asymptotes?

 180°
 60°
 360°
 120°

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Control Systems
Which system is also known as automatic control system?

 Nether 1 nor 2
 Either 1 or 2
 Closed loop control system
 Open loop control system

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Control Systems
Force balancing equation for elastic element (K) is (where, x = displacement)

 K dx/dt
 K d2x/dt2
None of these
 K *x

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

 1, 2.
 0, 2.
 1, 1.
 2, 1.

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Control Systems
Time response for a second order system depends on value of ξ. If ξ = 1 then the system is called as

 undamped system.
 under damped system.
 critically damped system.
 over damped system.

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