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IE 213 |
AUTOMATIC CONTROL SYSTEM |
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Teaching Scheme |
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Examination Scheme |
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Lectures : 3 hrs/week |
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Mid-Sem – 30, Assignments, Quiz -20 |
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End-Sem Exam- 50. |
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Unit 1 |
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(06) |
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Review of Laplace and inverse Laplace transform, Introduction to control systems, Introduction to design process, Industrial of feed forward and feedback control system. classification of control system, Modeling in frequency domain (mechanical, electrical, electromechanical systems).
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Unit 2 |
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(08) |
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Reduction of multiple system , block reduction techniques, signal flow graph, Manson’s gain formula, similarity transformation, signal flow graph from block diagram, DC gain, Time response analysis ( 1st , 2nd order, higher order approximation), System response with additional poles. System response with zeros
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Unit 3 |
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(06) |
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Steady state errors for unity feedback systems. Static error constants and system type. Steady state errors for disturbances, Design system parameters from SSE |
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Unit 4 |
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(08) |
Nominal sensitivity functions, closed loop stability based on characteristic Polynomial, Stability and Polynomial analysis. Routh-Harwitz criteria, Root locus techniques. Sketching and refining of Root Locus, Root locus design rules |
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Unit 5 |
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(06) |
Frequency domain design limitations. Frequency response analysis. Bode plot. Asymptotic approximations. Stability, Gain Margin, Phase Margin via Bode plot |
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Unit 6 |
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(06) |
Relationship between time domain and frequency domain. Polar plot, Nyquist plot, Stability, Gain Margin, Phase Margin via Nyquist plot.
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Text Books · Control System Engineering- Norman Nise, Wiley International · Control System Engineering- Nagrath and Gopal , Tata-McGrawHill Publication
Reference Books · Control System Design – G. Goodwin,S.Graebe,Mario Salgado, Pearson Education · Feedback Control of Dynamic Systems- G. Franklin,J.Powell,A. Naeini, Pearson Education |