Jaypee Institute of Information Technology (JIIT) 2008 B.E Electronics & Tele-Communication Engineering Test 3 : Control System Design - Question Paper

JAYPEE UNIVERSITY OF INFORMATION TECHNOLOGY

WAKNAGHAT CSE/1T - ?"* SEMESTER TEST - 3

Course Name: Control System Design Course Code: 08B7IEC411 Course Credits: 03

Sotc:- Attempt ail the questions. Each question carries equal marks

I. Obtain the state space model for the electrical circuit shown in Fig.I. All the passive components values are of unity magnitude.

2. (a) Determine the stability of following, characteristics equation of a feedback system. 3** 4-10**+ 5s^; + 5f + 2 * 0 (b) The characteristics equation of a feedback system is

s* + 20Ks* + U^z + 10s +15 = 0 Find the range of K for wbkh system is stable.

i. The open*loop transfer functkm of closed loop system is

As +1

G(s)H (*) =-rt

s^:(s + lK2s * 1J Determine stability for open and close loop usig Nyquist plot.

I. Draw the Bode plot for the transfer function

1611 + O.Ss.)

C (*>=-?

*Hl+0.125*)U +0.1s>

From the graph determine a. Phase cross over frequency c. Phase Margin e. Stability of the system b. Gain cross over frequency

d. Cain Margin

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Attachment: jaypee-institute-of-information-technology--jiit--2008-b-e-electronics--amp--tele-communication-engineering-21320-1.jpg

Earning:   Approval pending.