Sensors in Process Control


ECTS Credits

  • prof. dr. Juš Kocijan
  • None


Course objectives: - understanding theoretical principles of sensors in process control, - knowing of the issues in industrial sensors' implementation, - ability for sensor-systems design, - ability to evaluate various sensor systems, - training of competent professionals that are able to communicate with control-systems design engineers. Competences: - knowledge of basic concepts of process-control measurements, - knowledge of the most frequent industrial measurements systems, - ability for comparative analysis for selection and proper implementation of the most frequent sensors in process control, - ability for comparative analysis of used signals and types of data transmission in process-control systems.


Introduction - Most important process-control elements - Sensors and tranducers. - Actuators and final elements. - Controllers, PLCs and process computer systems. - Communication links between control- system elements. Proximity sensors - Properties of types of proximity sensors: • inductive sensors, • capacitive sensors, • optical sensors, • magnetic sensors, • ultrasonic sensors, • pneumatic sensors. - Important issues for proximity sensors selection. - Instructions for practical use of proximity sensors. Temperature measurement in process industry - Frequently used temperature sensors. - Problems in temperature measurements with Pt resistance sensors. - Some problems in using thermocouples. - Instructions for practical use of temperature sensors. Pressure measurement in process industry - Some problems in pressure measurement in industrial environments. - Instructions for practical use of pressure sensors. Flow measurement in process industry - General introduction in flow measurement. - Differential-pressure based flowmeters. - Electromagnetic inductive flowmeter. - Vortex flowmeter. - Coriolis flowmeter. - Termical-mass flowmeters. - Instructions for practical use of flowmeters. Signals and data transmission in industrial process control systems - Two-line connection of measurement transducers. - Some examples of disturbances in signal connections. - Digital communications between measurement transducers.


Completed second cycle studies in natural sciences or engineering or completed second cycle studies in other fields with proven knowledge of fundamentals in the field of this course (certificates, interview).


Literature and references