UNIT I 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. (Chapters - 1, 2, 3, 4, 5) UNIT II 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. (Chapter - 6) UNIT III 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. (Chapters - 9, 10, 11, 12, 13) UNIT IV 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. (Chapters - 7, 8, 9) UNIT V 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. (Chapters - 14, 15)
