06000EE303122001

8 Differentiate between minimum phase and non-minimum phase system with (5)
suitable examples
PART ‏تا‎
‎Answer any two full questions, each carries10 marks.
9 a) Obtain the overall transfer function of the system shown in figure using block (5)

reduction techniques.

b) Obtain the transfer function of an armature-controlled DC motor. (5)
10 a) For the mechanical system shown in figure write the equilibrium equations and (5)
obtain electrical analogous circuit using force-voltage analogy.

ಇಂಡ ಡೆ | 2൨
‏ملك‎

| ५ ‏کے‎ 1 f,(t)

b) Fora control system with negative feedback G(s) = = H(s) = 1+ bs. Find the (5)
value of a and b so that peak overshoot = 6% and peak time = 1 sec when a unit
step is applied to the system.
11 a) For the system shown in figure obtain the closed loop transfer function C(s)/R(s) (6)

using Mason’s gain formula.

C(s)

b) Briefly explain the effect of damping ratio on time response of a second order (4)

system.