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SYLLABUS

Unit - 1 :

Systems Components and Their Representation Control System: Terminology and basic structure – Feed forward and feedback control theory – Electrical and Mechanical transfer function models – Block diagram models – Signal flow graphs models – DC and AC servo systems – Synchronous – Multivariable control system.

Unit - 2 :

Time Response Analysis Transient response – Steady state response – Measures of performance of the standard first order and second order system – Effect on an additional zero and an additional pole – Steady error constant and system – Type number – PID control – Analytical design for PD, PI, PID control systems.

Unit - 3 :

Frequency Response and System Analysis Closed loop frequency response – Performance specification in frequency domain – Frequency response of standard second order system – Bode plot – Polar plot – Nyquist plots – Design of compensators using bode plots – Cascade lead compensation – Cascade lag compensation – Cascade lag-lead compensation.

Unit - 4 :

Concepts of Stability Analysis Concept of stability – Bounded – Input Bounded – Output stability – Routh stability criterion – Relative stability – Root locus concept – Guidelines for sketching root locus – Nyquist stability criterion.

Unit - 5 :

Control System Analysis using State Variable Methods State variable representation – Conversion of state variable models to transfer functions – Conversion of transfer functions to state variable models – Solution of state equations – Concepts of controllability and observability – Stability of linear systems – Equivalence between transfer function and state variable representations – State variable analysis of digital control system – Digital control design using state feedback