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EC8391 Important 16 marks Questions Control Systems Engineering Regulation 2017 Anna University

EC8391 Important 16 marks Questions Control Systems Engineering

EC8391 Important 16 marks Questions Control Systems Engineering Regulation 2017 Anna University free download. Control Systems Engineering Important 16 marks Questions EC8391 pdf free download.

Sample EC8391 Important 16 marks Questions Control Systems Engineering:

1. (a)Derive the expressions and draw the response of first order system for
unit step input. (8)
(b) Draw the response of second order system for critically damped case and
when input is unit step. (8) EC8391 Important 16 marks Questions Control Systems Engineering
2. Derive the expressions for Rise time, Peak time, Peak overshoot. (16)

3. A potential control system with velocity feedback is shown in fig. What is
the response of the system for unit step input? (16)
4. Measurements conducted on a Servomechanism show the system
response to be c(t)=1+0.2 ê 60t-1.2 ê –10 t. when subjected to a unit step.
Obtain an expression for closed loop transfer function. (16)
5. A positional control system with velocity feedback is shown in fig. What
is the response c(t) to the unit step input. Given that ς =0.5.and also calculate
rise time, peak time, Maximum overshoot and settling time.(16)
6. A unity feedback control system has an open loop transfer function G(S)
= 10/S(S+2). Find the rise time, percentage over shoot, peak time and
settling time. (16) EC8391 Important 16 marks Questions Control Systems Engineering
7. A closed loop servo is represented by the differential equation, where c is
the displacement of the output shaft, r is the displacement of the input shaft
and e= r-c. Determine undamped natural frequency, damping ratio and
percentage maximum overshoot for unit step input. (16)
8. For a unity feedback control system the open loop transfer function
G(S) = 10(S+2)/ S2 (S+1). (16)
Find (a) position, velocity and acceleration error constants.
(b) The steady state error when the input is R(S) where
R(S) =3/S –2/S2 +1/3S3 EC8391 Important 16 marks Questions Control Systems Engineering
9. The open loop transfer function of a servo system with unity feed back
system is G(S) = 10/ S(0.1S+1).Evaluate the static error constants of the
system. Obtain the steady state error of the system when subjected to an
input given by the polynomial r(t) = a0 +a1t +(a2 /2) t2 . (16) EC8391 Important 16 marks Questions Control Systems Engineering

 

Subject name Control Systems Engineering
Semester 3
Subject Code EC8391
Regulation 2017 regulation

EC8391 Important 16 Marks Questions Control Systems Engineering Click Here To Download

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