Lectures: 4+1 Periods/Week | Sessional Marks: 30 |
University Exam: 3 Hours | University Examination Marks: 70 |
UNIT-I
Basic Principles and problems of process control:
Laplace transform, inversion by partial fractions and properties of transforms.
Linear open loop systems:
Response of 1st order systems, physical examples, response of 1st order systems in series,
2nd order systems and transportation lag.
UNIT-II
Linear closed loop systems:
Control systems, controllers and final control elements, block diagram of a chemical reactor
control system, closed loop transfer function, transient response of simple control systems,
stability and root locus.
UNIT-III
Frequency response:
Introduction, substitution rule, Bode diagrams.
Control system design by frequency response:
Temperature control systems, stability criteria, Ziegler-Nichols control settings,
transient response.
UNIT-IV
Advanced control strategies:
Cascade control, feed forward control, ratio control, internal model control, controller
tuning and process identification: Tuning, tuning rules, process identification.
Control Valves:
Valve construction, sizing, characteristics, positionor. Distributed parameter system.
Text Books