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Abstract
This paper describes the heating system of rheometer and a method to ascertain the settling down of temperature of a closed volume under PID control. When the temperature stays within the desired band about the SET POINT for a predetermined time, a temperature OK signal is obtained which is used to allow further plant processes to be carried out. The developed system consists of RTD sensor, its signal conditioning, PID controller, solid-state relay and a circuit around digital IC'S.
Additional information
Notes on contributors
Amod Kumar
Amod Kumar received BE(Hons) degree in Electrical and Electronics Engineering from Birla Institute of Technology and Science, Pilani (Raj) in 1979 and ME degree in Electronics Engineering from Punjab University, Chandigarh in 1985. He has over 22 years experience in Research and Development of Process Control instruments. He is currently working as scientist in Central Scientific Instruments Organisation, Chandigarh. He has two publications in reputed journals and also presented papers more than seven in National conferences. He visited Germany under DAAD fellowship in 1987–88. His areas of interest are Digital Signal, Processing and Fuzzy Control.
Shashi Sharma
Shashi Sharma received BE degree in Electrical and Electronics Engineering from Institute of Engineers (India) Kolkata in 1989 and MTech degree in Instrumentation from Punjab University, Chandigarh in 1999. She has over 17 years experience in Research and Development of Process Control instruments. She is currently working as Technical Officer in Central Scientific Instruments Organisation, Chandigarh. Her area of interest is Microprocessor, Microcontroller and PC based Instrumentation.