Control System 2022 Question Paper — Government College of Engineerin…

The 2022 Control System previous year question paper (Government College of Engineering and Technology, Jammu), with every question and its marks.

Instructions

Attempt five questions in all selecting at least two questions from each Section.
Each question carries 20 marks.
Assume missing data wherever necessary.

Q1.a). Explain the concept of feedback and its effect on Control System. [10 marks]
Q1.b). Draw the equivalent Mechanical System of the given system. Hence write the set of equilibrium equations for it and obtain electrical analogous circuits using i) F-V Analogy, ii) F-I Analogy. [10 marks]
Q2.. Find $C(s)/R(s)$ by Mason Gain's formula of the signal flow graph given below. [20 marks]
Q3.. A unity feedback system has $G(s) = \frac{40(s+2)}{s(s+1)(s+4)}$ Determine i) Type of the system, ii) All error coefficients and iii) Error for ramp input with magnitude 4. [20 marks]
Q4.. Explain working principle, characteristics and application of Stepper Motor. [20 marks]

Q5.. Discuss lead compensator and its design using Root Locus Method. Also mention the effects and limitations of Lead Compensation. [20 marks]
Q6.a). Discuss lead, lag and lead-lag compensator and their limitations. [10 marks]
Q6.b). Explain the concept of PI and PID Controller in detail. [10 marks]
Q7.. Draw the root locus diagram for a with $G(s)H(s) = \frac{K}{s(s+2)(s+4)(s+6)}$ [20 marks]
Q8.. For a unity feedback system $G(s) = \frac{K}{s(s+2)(s+10)}$ Determine marginal value of K for which system will be marginally stable. Sketch the Bode Plot. [20 marks]