Guru Gobind Singh Indraprastha Vishwavidyalaya 2008 B.E Electrical and Electronics Engineering First Term for control Engg.I - Question Paper

First Term exam 2008 for control Engg.I

It contains 4 ques. in which Q.1 is compulsory

<Please write your Koll.No.immediatelv).

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Roll No.--------------

IV Semester <B TecloKEE Paper Code ETEE- 208 1 imc I 1: Hrs.

First Terminal Examination Feb 200S Control Engg. I Max Marks 30

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Note: Attempt Q.No. I and any two of the remaining.

Ql faK'ompare open loop and closed loop system with example

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Derive an expression for Transfer function for a closed loop 0 system with positive feedback.

Determine Transfer Function for the given network: ----(2)

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jA) Draw the electrical analogous circuit(usc f-v analogy) and derive @ the Transfer function

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v>e) Derive the expression for Rise time for a II order system - (2)

(f) The closed loop T.F is given bv-

$(*) = S&+ 1* *    --- @

³+fsN-ftStg Determine the response ol the system when unit step input is applied

(a) Determine the value of "a" such that the damping ratio is <15 Also

Olnam the values of rise time and max. overshoot in its step response. FC?-3 (ht Derive the expression tor I F for a Field Control DC Motor -(s)

<aH >btain the I 1 of the Block Diagram using Mason sCiain Formula FfcA-. *($)

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I-Xtc.AND C/'II. Jrcn; hlock /limrrnni. FuiS~    (D

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Earning:   Approval pending.