Control Systems | Department of Electrical Engineering

Control Systems

• Introduction and Mathematical Modeling:

Classification of Control Systems: Open-loop and Closed-loop Systems, Effect of feedback, Mathematical modelling of physical/mechanical systems and its electrical equivalents, Translation systems; Rotational systems; Servomechanisms, Servomotors, Synchros, Block Diagram and Signal Flow representation and analysis.
• Time - Domain Analysis
Standard Signals; Time-response of 1st order and 2nd order systems, Dynamic / Transient and Steady-State Response, Steady-State Errors: Error Constants, Type-0, Type-1, and Type-2 Systems, Effect of Poles and Zeroes to Transfer Functions; Dominant Poles, Design and Response of Controllers: P; PI; PD and PID.
• Stability Criterion and Technique
Absolute and Relative Stability, Routh Stability Criterion: BIBO Systems; Necessary Conditions, Relative Stability Analysis, Root Locus Technique: Concept , Construction, and Rules of Root Loci, Effect of Poles and Zeros to G(s)H(s) function

• Frequency – Domain Analysis
Correlation between Time-Domain and Frequency-Domain Analysis, All-Pass System; Non-Minimum-Phase System and Minimum-Phase System, Polar Plot and Bode Plot: Properties and Constructions, Gain Margin and Phase Margin, Nyquist Plot: Nyquist Stability Criterion; Effect of Poles and Zeroes, Constant M and N Circles; Nichols Chart.

• Compensation Networks
Effect and Need of Compensatory Networks, Types: Lead Compensator; Lag Compensator and Lag-Lead Compensator, PID and Modified PID Controllers, Introduction to Digital Controllers: PLC and PAC Type Controllers
• State-Space Analysis
Conventional Control verses Modern Control Theory, Concept of State-Space Representation, Realizations of Transfer Functions; Diagnosis, and Solution of State-Space Equations; transition Matrix, Stability Criteria: Observability and Controllability of Linear Systems.

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