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Control Systems

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

 indeterminate.
 infinite.
 finite constant.
 zero.

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Control Systems
The step response of the system described by the differential equation will be

 e-3t u(t).
 (1/6)*(1-e-6t).
 e6t.
 non of above.

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

 s/(s+1)
 1/s
 1/s(s+1)
 1/(s+1)

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Control Systems
Negative feedback in a closed loop control system

 reduces gain.
 improves disturbance rejection.
 reduces sensitivity to parameter variation.
All of these

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Control Systems
Advantages of open loop control system is/are

 simple and economical.
 accurate.
All of these
 reliable.

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

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

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