Q.1
14 Marks(b)
Compare time response and frequency response of system.
(c)
Explain any 7 rules of block diagram reduction technique.
Also asked in Summer 2026 Q1c, Summer 2025 Q4c OR, Summer 2024 Q2c OR
Gujarat Technological UniversityWinter 2025 examination
GTU 3131101 Control Systems Winter 2025 Question Paper & PDF
B.E. · EC Engineering · Semester 3 · Subject code 3131101
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 10:30 AM – 1:00 PM
- Questions
- 5 with internal choice
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21 of 25 questions on this paper were also asked in other years. Each is marked below with the years it appeared.See all 31 repeated 3131101 questions, most asked first
Q.2
14 Marks(a)
Write advantages of state space approach over classical methods.
Also asked in Summer 2026 Q2a, Summer 2025 Q4a OR
(b)
Discuss the effect of adding a pole to a closed loop transfer function.
OR
(c)
Write a short note on state space representation of a control system.
Also asked in Summer 2026 Q2c OR
Q.3
14 Marks(b)
Discuss force voltage (F-V) analogous system with analogous quantity.
Also asked in Summer 2026 Q3b, Summer 2025 Q1b, Summer 2024 Q3c OR
(c)
Explain the steps of root locus
Also asked in Summer 2026 Q3c, Summer 2025 Q2c, Summer 2024 Q4c OR
OR
(b)
Discuss force current (F-I) analogous system with analogous quantity.
Also asked in Summer 2026 Q3b OR
(c)
Explain nature of Bode plot for
i)Poles at the origin
ii)Zeros at the origin.
Q.4
14 Marks(b)
Explain, how the gain and phase margin are obtained from Nyquist plots?
OR
Q.5
14 Marks(b)
Define steady state error and obtain its formula
Also asked in Summer 2026 Q5b, Summer 2025 Q4c, Summer 2024 Q3b OR
OR
(a)
Define
i)Gain Margin
ii)Frequency response
iii)Phase Margin
Also asked in Summer 2026 Q5a OR, Summer 2025 Q5a, Summer 2024 Q5a OR
(b)
Obtain equation of peak time for a second order control system when subjected to unit step input.
Also asked in Summer 2026 Q5b OR
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About this paper
Official Gujarat Technological University (GTU) examination paper for Control Systems (Winter 2025, B.E. · EC Engineering, Sem 3). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.