Control Engineering — Winter 2022

Comparison between Time varying and Time -invariant system.

List the advantages and disadvantages of an open loop control system.

Explain the State space analysis and its advantages.

LWer ite transfer function.

Explain any one mechanics of translational motion with suitable example.

Determine the transfer function C(s)/R(s) from the block diagram shown in Figure 1.

Determine the transfer function using signal flow graph for shown in Figure 2.

Explain steady state errors for Step input.

Write need of frequency response analysis.

Explain transient response specification of a second order system.

Explain steady state errors for Ramp input.

Write methods used for frequency response analysis.

Explain time response of first order system.

Define: Resonant peak, Resonant frequency and Cut-off rate for frequency response specification.

Explain disadvantages of Hurwitz stability criterion.

Write general method steps for drawing root locus with suitable example.

Define: Bandwidth, Cut-off frequency and Gain crossover frequency for frequency response specification.

Explain advantages of Routh stability criterion.

Write the following terms with respect to root locus. (1) Centroid (2) asymptotes (3) breakaway points (4) angle of arrival and angle of departure.

List out various basic elements of hydraulic system.

Comparison between hydraulic control system and pneumatic control system.

Explain hydraulic proportional controller with the help of neat sketch. OR1

List out various basic elements of pneumatic system.

Comparison between hydraulic control system and electric control system.

Explain pneumatic proportional plus integral controller with the help of neat sketch. Figure 1 (Q-2(C)) Figure 2 (OR Q-2(C))2