Improved Autotuning Using Shape Factor From Relay Feedback

Thyagarajan, T.; Yu, Cheng‐Ching

doi:10.3182/20020721-6-es-1901.00485

Cited by 16 publications

(15 citation statements)

References 7 publications

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“…The results presented in this part clearly indicate the inherent difficulty as a result of the experimental nature. However, the work of Luyben [5] sheds some light toward further improvement: extracting more information from the shape of the relay feedback responses [6,7].…”

Section: Huaguang Zhangmentioning

confidence: 99%

Relay feedback: Analysis, identification and control, Qing‐Guo Wang, Tong Heng Lee and Chong Lin, Springer, London, 2003, 383pp

2004

Intl J Robust & Nonlinear

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references to relevant bibliography, thus offering ample opportunity for further exploration on the algorithms covered in the book.The book reads very well. The mathematical descriptions are quite rigorous, derivations are logical, the main ideas presented are original and results stated in the book are accurate and appropriate. The book emphasizes theoretical analyses and derivations, but no lack of rich examples. The many examples bridge the gap between control system theory and practical applications by approaches and issues proposed in this book, such as swarm dynamics, blind source recovery, direct NDP-based tracking control and so on.Last, but not least, this book provides breadth to the methods/techniques used, depth to literature review, and reviews on the current status and future developments of several research and application areas.This book is a valuable resource for researchers and practitioners interested in expanding their knowledge of dynamical systems research and applications. The book is different from textbooks of a graduate course. It is light on link of the whole book and heavy on consistency and depth of each chapter, which discusses currently very active research topics. It provides an excellent extension to a graduate course in dynamical systems. In any case, the book could be a valuable addition to a well-stocked academic or corporate library, particularly for universities or organizations that interested in the subject. SUMMARYIn summary, this is a very well-written book, and it is clear that the authors have made important research contributions in the area of researches and applications of dynamical systems and presented a very special tribute to Anthony N. Michel who has made significant contributions to the systems and control community. The book intends to present a fairly comprehensive, up-to-date, and detailed treatment of relay feedback theory, use of relay feedback for process identification, and use of identified models for general control design. The materials are based on research results of the authors and his co-workers in the domain. For presentation, the technical development of the results is quite selfcontained with fundamental knowledge of the linear system theory is assumed. Illustrative examples of different degrees of complexity are given to facilitate understanding. Therefore, the book can be accessed by graduate students, researchers and practicing engineers. This book covers three areas: (1) analysis of relay feedback system (RFS), and (2) identification using RFS, and (3) controller design (PID controllers in particular). Huaguang Zhang

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Section: Huaguang Zhangmentioning

confidence: 99%

Relay feedback: Analysis, identification and control, Qing‐Guo Wang, Tong Heng Lee and Chong Lin, Springer, London, 2003, 383pp

2004

Intl J Robust & Nonlinear

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“…Hence, a novel approach to PID controller tuning known as "equalization method" was proposed by Gorez and Klán (2000). Another modifications of the design settings can be found (Garcia and Castelo, 2000;Thyagarajan and Yu, 2002;Ingimundarson and Hägglund, 2000).…”

Section: Introductionmentioning

confidence: 99%

“…Hence, automatic tuning became a very desirable feature in industrial applications as well as in control producers. Nowadays, there are many different auto-tuning principles (Åström and Hägglund, 1984;Majhi and Atherton, 1998;Pecharromán and Pagola, 2000;de Arruda and Barros, 2001;Thyagarajan and Yu 2002). …”

Section: Introductionmentioning

confidence: 99%

Pi Autotuners Based on Biased Relay Identification

Prokop

Korbel

Matušů

2005

IFAC Proceedings Volumes

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“…2000). The extension in an experimental phase was performed in (Yu 1999;Pecharromán and Pagola 2000;Kaya and Atherton 2001) by an asymmetry and hysteresis of a relay, see (Thyagarajan and Yu 2002), and experiments with asymmetrical and dead-zone relay feedback are reported in (Vítečková and Víteček 2004;Vyhlídal 2000). Also, various control design principles and rules can be investigated in mentioned references.…”

Section: Introductionmentioning

confidence: 99%

Relay Feedback Autotuning – A Polynomial Design Approach

Prokop

Korbel²,

Prokopová

2010

ECMS 2010 Proceedings Edited by a Bargiela S a Ali D Crowley E J H Kerckhoffs

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A method of autotuning using an asymmetric relay with hysteresis feedback test is proposed and developed. Then, three parameters for aperiodic first or second order transfer functions can be obtained. After the identification relay experiment, controller parameters are computed through linear diophantine equation in the ring of proper and stable rational functions. This algebraic approach for a traditional 1-DOF feedback structure generates a class of PI or PID controllers. The pole placement principle in the methodology brings a scalar positive "tuning knob" for additional controller tuning. A Matlab-Simulink program implementation was developed for simulation and verification of the studied approach. Two illustrative examples support simplicity and efficiency of the proposed methodology.

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Improved Autotuning Using Shape Factor From Relay Feedback

Cited by 16 publications

References 7 publications

Relay feedback: Analysis, identification and control, Qing‐Guo Wang, Tong Heng Lee and Chong Lin, Springer, London, 2003, 383pp

Relay feedback: Analysis, identification and control, Qing‐Guo Wang, Tong Heng Lee and Chong Lin, Springer, London, 2003, 383pp

Pi Autotuners Based on Biased Relay Identification

Relay Feedback Autotuning – A Polynomial Design Approach

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