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Control Systems

Control Systems
Resonant peak of a marginally stable system is

 any of the above
 0
 finite value
 infinite

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

 0 < k < 390.
 0 < k < 39.
None of these
 0 < k < 3900.

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Control Systems
Error at corner frequency ωcf of first order control system is -------

 ±3 db
 ±2 db
 ±1 db
 ±4 db

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Control Systems
Let P = Number of open loop poles and Z = Number of open loop zeros and P > Z, find the number of branches terminating at ∞?

 P
 P - Z
 Any of the above
 Z

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

 0
 1
 3
 2

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Control Systems
Adding a pole to a system transfer function in terms of compensator represents a --------------- compensator ?

 lead-lag
 lead
 lag
 lag-lead

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