Unit-I
Mathematical modeling of Control Systems
Classification of control systems, open loop and closed loop control systems and their differences feedback characteristics, transfer function of linear systems, differential equations of electrical and mechanical systems, transfer function of AC and DC servo motors, synchro transmitter and receiver, block diagram algebra, representation by signal flow graph, reduction using mason's gain formula
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Unit-II
Time Response Analysis
Standard test signals, time response of first order systems, characteristic equation of feedback control systems, transient response of second order systems, time domain specifications, steady state response, steady state errors and error constants, effects of proportional derivative and proportional integral systems.
you can download the PPT for UNIT-II
Unit-III
Stability Analysis
Concept of stability, absolute and relative stability analysis, Routh's stability criterion and its limitations.
Root locus Techniques-Root locus concept, construction of root loci, effects of adding poles and zeros to open loop transfer function on the root loci.
you can download the PPT for UNIT-III
Unit-IV
Frequency Response Analysis
Frequency domain specifications- relationship between time and frequency response, bode diagrams, transfer function from the bode diagrams, phase margin and gain margins, stability analysis from bode plots, polar and nyquist plots, lag, lead, lag-lead and lead-lag compensators.
Unit-V
State Space Analysis
Concepts of State, state variables and state model, derivation of state models from block diagrams, diagonalization, solving the time invariant state equations, state transition matrix and its properties, concepts of controllability and observability.
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