Semester-VIComments Off on INSTRUMENTATION & PROCESS CONTROL
Credit hours: 4(3-1)
Objectives of the Course:
To impart knowledge of instruments and control in order to design control systems for chemical process industry.
Study of scientific principles employed in instruments; sensors, modifiers, recorders etc. Dynamic and static properties of instruments; selection and calibration of instruments; error analysis of process measurement; Instrument Identification and Line Symbols; Available technology of instrumentation for temperature, flow, level, weight, load, pressure, and composition measurement. Transducers; advanced measurement devices employing piezoelectric current, ultrasonic, laser, microwave etc. Installation and installation costs; Case studies.
Introduction and significance of control; Feedback and feed forward control; Design and Hardware elements of control; Dynamics of first and second order systems; Overall transfer function testability; Controllers (P, PI, PID etc.), final control elements; Representation of control systems; Multiple control loops; cascade, ratio, over-riding etc. Introduction to stability of chemical processes; introduction to frequency response techniques; Routh’s criteria, Bode plots, Nyquit method; Computer control, Introduction to Distributed Control Systems; Case study: Development of control scheme of complete plant.
Practical exercises relating to the topics covered in theory.
Text and references:
Smith, C. A, Corripio, A. B, Principles and Practice of Automatic Process Control, John Wiley, 1985.
Marlin, T.E., Process Control, 2nd, McGraw Hill Book Co., 2000.
Ogunnaike, B. A., et al., Process Dynamics, Modeling, and Control, Oxford University Press, 1997.
Coughanown, D. R. and Koppel, C. B., Process system Analysis & Control, McGraw-Hill 1991.
Process Control Instrumentation Technology, Curtis D. Johnson, Pearson Education 2003.
Chemical Process Control, G. Stephanupolos, Prentice Hall 2002
Essentials of Process Control, W.L. Luyben McGraw-Hill 1997