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Relay Autotuning for Identification and Control


  • Authors:
  • M. Chidambaram, Indian Institute of Technology, Madras
  • Vivek Sathe, Dr. Babasaheb Ambedkar Technological University, Lonere Maharashtra
  • Date Published: May 2014
  • availability: Available
  • format: Hardback
  • isbn: 9781107058712

£ 93.00

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About the Authors
  • Proportional-integral-derivative (PID) controllers are extensively used for efficient industrial operations. Autotuning such controllers is required for efficient operation. There are two ways of relay autotuning cascade control systems – simultaneous tuning and sequential tuning. This book discusses incorporation of higher order harmonics of relay autotuning for a single loop controller and cascade control systems to get accurate values of controller ultimate gain. It provides a simple method of designing P/PI controllers for series and parallel cascade control schemes. The authors also focus on estimation of model parameters of unstable FOPTD systems, stable SOPTD and unstable SOPTDZ systems using a single relay feedback test. The methodology and final results explained in this book are useful in tuning controllers. The text would be of use to graduate students and researchers for further studies in this area.

    • Focuses on Proportional-Integral-Derivative (PID) controllers, extensively used for efficient industrial operations
    • Examines the working of PID tuning
    • Provides a simple method of designing P/PI controllers
    • Includes simulation examples for conceptual clarity
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    Product details

    • Date Published: May 2014
    • format: Hardback
    • isbn: 9781107058712
    • length: 286 pages
    • dimensions: 250 x 189 x 21 mm
    • weight: 0.74kg
    • availability: Available
  • Table of Contents

    List of figures
    List of tables
    1. Introduction
    2. Improved autotune identification methods
    3. Cascade controller tuning by relay autotune method
    4. Simultaneous relay autotuning of cascade controllers
    5. A simple method of tuning cascade controllers
    6. Improved saturation relay test for systems with large dead time
    7. Identification of FOPTD model using single symmetrical relay test
    8. Autotuning of PID controllers for unstable FOPTD systems
    9. Autotuning of PID controllers for critically damped SOPTD systems
    10. Estimation of SOPTD transfer function model
    11. Estimation of five parameters of unstable SOPTD model with a zero
    12. Identification of FOPTD multivariable systems
    13. Identification of SOPTD multivariable systems
    14. Tuning of multivariable controllers for non-minimum phase systems
    15. Tuning of multivariable controllers by genetic algorithms
    16. Summary and conclusion
    Suggestive reading

  • Authors

    M. Chidambaram, Indian Institute of Technology, Madras
    Dr M. Chidambaram has authored three books and published 165 research papers in journals in the field of process control. He served as Director, National Institute of Technology, Tiruchirappalli during the period 2005–2010. He is presently working as a Professor, Department of Chemical Engineering, Indian Institute of Technology, Madras.

    Vivek Sathe, Dr. Babasaheb Ambedkar Technological University, Lonere Maharashtra
    Dr Vivek Sathe received his PhD from the Indian Institute of Technology, Madras, and is presently working as Professor in the Department of Chemical Engineering, Dr Babasaheb Ambedkar Technological University, Lonere, Maharashtra. He has 18 years of teaching experience. He has published nearly 100 articles in national and international journals. His research interests are feedback control systems, relay tuning, control theory and modeling.

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