ANNA University Control Systems Notes
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UNIT II TIME RESPONSE 9
Time response – Time domain specifications – Types of test input – I and II order system response –Error coefficients – Generalized error series – Steady state error – P, PI, PID modes of feed back control.
UNIT III FREQUENCY RESPONSE 9
Frequency response – Bode plot – Polar plot – Determination of closed loop response from open loop response – Correlation between frequency domain and time domain specifications.
UNIT IV STABILITY OF CONTROL SYSTEM 9
Characteristics equation – Location of roots in S plane for stability – Routh Hurwitz criterion – Root locus construction – Effect of pole, zero addition – Gain margin and phase margin – Nyquist stability criterion.
UNIT V COMPENSATOR DESIGN 9
Performance criteria – Lag, lead and lag-lead networks – Compensator design using bode plots.
UNIT I SYSTEMS AND THEIR REPRESENTATION 9
Basic elements in control systems – Open and closed loop systems – Electrical analogy of mechanical and thermal systems – Transfer function – Synchros – AC and DC servomotors – Block diagram reduction techniques – Signal flow graphs.
Basic elements in control systems – Open and closed loop systems – Electrical analogy of mechanical and thermal systems – Transfer function – Synchros – AC and DC servomotors – Block diagram reduction techniques – Signal flow graphs.
UNIT II TIME RESPONSE 9
Time response – Time domain specifications – Types of test input – I and II order system response –Error coefficients – Generalized error series – Steady state error – P, PI, PID modes of feed back control.
UNIT III FREQUENCY RESPONSE 9
Frequency response – Bode plot – Polar plot – Determination of closed loop response from open loop response – Correlation between frequency domain and time domain specifications.
UNIT IV STABILITY OF CONTROL SYSTEM 9
Characteristics equation – Location of roots in S plane for stability – Routh Hurwitz criterion – Root locus construction – Effect of pole, zero addition – Gain margin and phase margin – Nyquist stability criterion.
UNIT V COMPENSATOR DESIGN 9
Performance criteria – Lag, lead and lag-lead networks – Compensator design using bode plots.
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