Official Bihar Engineering University examination question papers, marks distribution, and questions transcript. Available exam sessions: 2025, 2022.
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Official BEU curriculum units & topics for this examination subject.
Unit 1.0: Control Systems: Basics & Components
Introduction to basic terms • Classifications and types of Control Systems • Block diagrams & Signal flow graphs • Transfer function • Determination of transfer function using Block diagram reduction techniques and Mason's Gain formula • Control system components: Electrical, Mechanical, Electronic, AC/DC Servo Motors, Stepper Motors, Tacho Generators, Synchros, Magnetic Amplifiers, Servo Amplifiers
Unit 2.0: Time-Domain Analysis
Time domain performance specifications • Transient response of first and second order systems • Steady state errors and Static error constants in unity feedback control systems • Response with P, PI and PID controllers • Limitations of time domain analysis
Unit 3.0: Frequency Domain Analysis
Polar and inverse polar plots • Frequency domain specifications and Performance of LTI systems • Logarithmic plots (Bode plots) • Gain and Phase Margins • Relative stability • Correlation with time domain performance • Closed loop frequency responses from Open loop response • Limitations of frequency domain analysis • Minimum/Non-minimum phase systems
Unit 4.0: Stability and Compensation Techniques
Concepts, absolute, Asymptotic, Conditional and Marginal stability • Routh-Hurwitz and Nyquist stability criterion
Unit 5.0: Root locus technique and its application
Concepts of compensation, series/parallel/series-parallel/feedback compensation • Lag/Lead/Lag-Lead networks for compensation • Compensation using P, PI, PID controllers