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Control Systems

Control Systems
Force balancing equation of a mass element is (where, x = displacement)

 M dx/dt
 any of the above
 M d2x/dt2
 M *x

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Control Systems
A controller transfer function is given by . What is its nature and parameter?

 lead compensator, α = 0.2
 lag compensator, β = 2
 lag compensator, β = 10
 lead compensator, α = 0.1

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Control Systems
Angle of asymptotes for complimentary root locus is

 (2q)*180/P
 (2q+1)*180/(P-Z)
 (2q+1)*180/P
 (2q)*180/(P-Z)

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Control Systems
In polar plots if the critical point '-1+j0' is enclosed then the system is --------

 stable
 unstable
 marginally stable
 critical stable

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Control Systems
The DC gain of a system represented by the transfer function 12 / {( s + 2 )( s + 3 )} is

 2.
 10.
 1.
 5.

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Control Systems
Transient state analysis deals with -------------

None of these
 nature of response
 magnitude of error
 both 1 and 2

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