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THE UNIVERSITY OF TRINIDAD & TOBAGO

COURSEWORK EXAMINATION

Year 2 Utilities Me!"a#i!al a#$ Ele!tri!al% Fll Ti'e

Course Code and Title: CT() 2*+2 )r,!ess C,#tr,l S-ste's

Date: Tuesday 12thMarch, 2013. Time: . a' / ++ a'

Read all instructions carefully before you begin this examination.

I#str!ti,#s t, Ca#$i$ates

1. This paper has 3 pages and 6 questions.

2. You are required to answer ALL questions.

3. Full mars will not !e awarded i" "ull woring is not shown.

4. #ilent$ %ordless$ non&programma!le s%ienti"i% %al%ulators are allowed

'. Y, 'st retr# t"e 0esti,# 1a1er al,# 3it" -,r a#s3er 4,,5let t, a#$ ,t"er

3riti# 1a1er t, t"e I#6iilat,r at t"e e#$ ,7 t"e e8a'i#ati,#9

Ke- E8a'i#ati,# )r,t,!,l

+9 #tudents are strongl( urged to tae noti%e o" the )oli%( on A%ademi% *onest(2. #haring o" in"ormation (communication whether in verbal or non-verbal means)!etween

%andidates during the e+amination is stri!tl- 1r,"i4ite$93. Looing into another %andidate,s s%ript is stri!tl- 1r,"i4ite$9

-. aterial that is "oreign to that allowa!le or pro/ided in the e+amination room is 1r,"i4ite$9'. #peaing without the permission o" the 0n/igilator is NOTallowed.

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1. rite a mathemati%al model "or the s(stem shown in Fig 1. :+; 'ar5s

-. A %ontrol s(stem has a "orward path trans"er "un%tion o" 24s 5 2 and a negati/e "eed!a%loop with trans"er "un%tion -. hat will !e the response o" the s(stem to a unit step

input; :2* 'ar5s