mca Syllabus

CONTROL SYSTEM
Code : EE 503
Contacts : 3L + 1T
Credits :4

Concept of feedback and Automatic Control, Electrical analogy of physical system. Transfer Function, Block diagram representation of Control Systems, Block Diagram Algebra, Signal Flow Graph, Mason’s gain formula.

Control system components : Error sensing devices, potentiometer, synchros, D.C. and A.C. tachometers, servomotors, modulators and demodulators. Transient analysis of closed loop systems. Transient errors and their minimisation, steady state error and their minimisation, error coefficients, P, PI and P-I-D type controllers.

Stability of Control Systems : R-H criteria, Nyquist criteria, Bode Plots. Polar Plots, Nichols chart, measures of relative stability. Construction of Root Loci for simple system, effects of the movement of poles and zeros.

Improvement of system performance through compensation. Case studies on control voltage, current, frequency, position and speed. Control of liquid level, density, flow, temperature etc.

BOOKS ;

1. Kuo B.C. Automatic Control System, PHI
2. Das Gupta S : Control System Theory ; Khanna Pub.
3. Nagrath I J & Gopal M : Control Systems Engineering, New Age International Pub.
4. Ogata K : Modern Control Engg. PHI
5. Dorf R C & Bishop R.H.: Modern Control System ; Addison – Wisley
6. Bolton: Industrial Control & Instrumentation, Orient Longman
7. Nakra: Theory & Applications of Automatic Control, New Age International
8. Gopal: Modern Control System Theory, New Age International
9. Gopal: Digital Control Engineering, New Age International
10. Sinha: Control Systems, New Age International