MEC4702
PART B CONTROL ENGINEERING
ASSIGNMENT 1 DUE THURSDAY,
27th MAY, 2021
QUESTION 1
(a) In control, system modeling is a very essential component to any control problem. Below
you are given various equations derived from physical dynamical systems.
Classify the systems as (lumped parameter/distributed parameter, linear/nonlinear, continuous
time/discrete time, time varying parameter/time invariant parameter) giving reasons.
2 y
2 y

a
, y ( x, t ), where x and t are independent variables
t 2
x 2
(ii) y(tk  2 )  3 y(tk 1 )  2 y(tk )  3
(i)
(iii) y   (t ) y  7 y  u (t ), where  (t ) is a parameter
(b) Describe three (3) input/output characteristics of a linear system response using neat
sketches.
Assignment Due Thursday, 27th May, 2021.
Prepared by Mr. K. H. Moonga