Control System Engineering SPPU Insem Question Paper Feb 2023

Questions

1. Q1

   1. a)

      Clearly differentiate between open loop and closed loop control system.

      Also asked:Mar 2026

      [5]
   2. b)

      Using block diagram reduction technique, find the transfer function for the system as shown in Figure 1 below.

      [5]
   3. c)

      Determine the transfer function C/R for the signal flow graph given below in Figure 2 using Mason’s gain formula. 2

      [5]
   OR

2. Q2

   1. a)

      Give classification of control systems.

      [5]
   2. b)

      Obtain the transfer function for RLC parallel circuit.

      [5]
   3. c)

      Determine the transfer function C(s)/R(s) for the block diagram given below in Figure 4 using Mason’s gain formula.

      [5]

3. Q3

   1. a)

      Define and explain standard test signals.

      Also asked:Mar 2025

      [4]
   2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
   3. c)

      Define steady state error. Discuss steady state error for type ‘ 0’, type ‘ 1’ and type ‘ 2’ system.

      [5]
   OR

4. Q4

   1. a)

      With a neat sketch explain time domain specifications of second order under damped system.

      [5]
   2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

      [5]
   3. c)

      This part has equations that don’t show as text. Open the PDF to read it.

      [5]