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22-Mec-A3 System Analysis and Control: Undated paper

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Routh–Hurwitz stability of two characteristic equations
  2. Question 2 Impulse response of two transfer functions
  3. Question 3 Steady-state response of a proportional liquid-level loop
  4. Question 4 Absolute stability of a hydraulic servo by Routh’s criterion
  5. Question 5 Bode diagrams of two open-loop transfer functions
  6. Question 6 Root-locus plots for two open-loop transfer functions

Start with Question 1 →

Paper format. 16-Mec-A3 System Analysis and Control, National Exam, May 2019 sitting. Three hours, closed book, Casio or Sharp approved calculator only. Six questions; any four constitute a complete paper and all questions are of equal value (25 marks each). A table of Laplace transforms is supplied with the paper. Every one of the six questions is worked below.

Reference texts. Ogata, Modern Control Engineering, 5th ed. (Chs. 5–8); Nise, Control Systems Engineering, 8th ed. (Chs. 4, 6, 8, 10); Dorf & Bishop, Modern Control Systems, 13th ed.; Franklin, Powell & Emami-Naeini, Feedback Control of Dynamic Systems, 8th ed.