Digital Repetitive Control Under Varying Frequency Conditions
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Digital Repetitive Control Under Varying Frequency Conditions
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Author : Germán A. Ramos
language : en
Publisher: Springer
Release Date : 2013-11-18
Digital Repetitive Control Under Varying Frequency Conditions written by Germán A. Ramos and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-18 with Technology & Engineering categories.
The tracking/rejection of periodic signals constitutes a wide field of research in the control theory and applications area. Repetitive Control has proven to be an efficient way to face this topic. However, in some applications the frequency of the reference/disturbance signal is time-varying or uncertain. This causes an important performance degradation in the standard Repetitive Control scheme. This book presents some solutions to apply Repetitive Control in varying frequency conditions without loosing steady-state performance. It also includes a complete theoretical development and experimental results in two representative systems. The presented solutions are organized in two complementary branches: varying sampling period Repetitive Control and High Order Repetitive Control. The first approach allows dealing with large range frequency variations while the second allows dealing with small range frequency variations. The book also presents applications of the described techniques to a Rota-magnet plant and to a power active filter device.
Digital Repetitive Control Under Varying Frequency Conditions
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Author : Germán A. Ramos
language : en
Publisher: Springer
Release Date : 2013-04-26
Digital Repetitive Control Under Varying Frequency Conditions written by Germán A. Ramos and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-26 with Technology & Engineering categories.
The tracking/rejection of periodic signals constitutes a wide field of research in the control theory and applications area. Repetitive Control has proven to be an efficient way to face this topic. However, in some applications the frequency of the reference/disturbance signal is time-varying or uncertain. This causes an important performance degradation in the standard Repetitive Control scheme. This book presents some solutions to apply Repetitive Control in varying frequency conditions without loosing steady-state performance. It also includes a complete theoretical development and experimental results in two representative systems. The presented solutions are organized in two complementary branches: varying sampling period Repetitive Control and High Order Repetitive Control. The first approach allows dealing with large range frequency variations while the second allows dealing with small range frequency variations. The book also presents applications of the described techniques to a Rota-magnet plant and to a power active filter device.
Digital Repetitive Control Under Varying Frequency Conditions
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Author : Germán Andrés Ramos Fuentes
language : en
Publisher:
Release Date : 2012
Digital Repetitive Control Under Varying Frequency Conditions written by Germán Andrés Ramos Fuentes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
The tracking/rejection of periodic signals constitutes a wide field of research in the control theory and applications area and Repetitive Control has proven to be an efficient way to face this topic; however, in some applications the period of the signal to be tracked/rejected changes in time or is uncertain, which causes and important performance degradation in the standard repetitive controller. This thesis presents some contributions to the open topic of repetitive control working under varying frequency conditions. These contributions can be organized as follows: One approach that overcomes the problem of working under time varying frequency conditions is the adaptation of the controller sampling period, nevertheless, the system framework changes from Linear Time Invariant to Linear Time-Varying and the closed-loop stability can be compromised. This work presents two different methodologies aimed at analysing the system stability under these conditions. The first one uses a Linear Matrix Inequality (LMI) gridding approach which provides necessary conditions to accomplish a sufficient condition for the closed-loop Bounded Input Bounded Output stability of the system. The second one applies robust control techniques in order to analyse the stability and yields sufficient stability conditions. Both methodologies yield a frequency variation interval for which the system stability can be assured. Although several approaches exist for the stability analysis of general time-varying sampling period controllers few of them allow an integrated controller design which assures closed-loop stability under such conditions. In this thesis two design methodologies are presented, which assure stability of the repetitive control system working under varying sampling period for a given frequency variation interval: a mu-synthesis technique and a pre-compensation strategy. On a second branch, High Order Repetitive Control (HORC) is mainly used to improve the repetitive control performance robustness under disturbance/reference signals with varying or uncertain frequency. Unlike standard repetitive control, the HORC involves a weighted sum of several signal periods. With a proper selection of the associated weights, this high order function offers a characteristic frequency response in which the high gain peaks located at harmonic frequencies are extended to a wider region around the harmonics. Furthermore, the use of an odd-harmonic internal model will make the system more appropriate for applications where signals have only odd-harmonic components, as in power electronics systems. Thus an Odd-harmonic High Order Repetitive Controller suitable for applications involving odd-harmonic type signals with varying/uncertain frequency is presented. The open loop stability of internal models used in HORC and the one presented here is analysed. Additionally, as a consequence of this analysis, an Anti-Windup (AW) scheme for repetitive control is proposed. This AW proposal is based on the idea of having a small steady state tracking error and fast recovery once the system goes out of saturation. The experimental validation of these proposals has been performed in two different applications: the Roto-magnet plant and the active power filter application. The Roto-magnet plant is an experimental didactic plant used as a tool for analysing and understanding the nature of the periodic disturbances, as well as to study the different control techniques used to tackle this problem. This plant has been adopted as experimental test bench for rotational machines. On the other hand, shunt active power filters have been widely used as a way to overcome power quality problems caused by nonlinear and reactive loads. These power electronics devices are designed with the goal of obtaining a power factor close to 1 and achieving current harmonics and reactive power compensation.
Soft Computing Applications For Renewable Energy And Energy Efficiency
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Author : Cascales, Maria del Socorro García
language : en
Publisher: IGI Global
Release Date : 2014-10-31
Soft Computing Applications For Renewable Energy And Energy Efficiency written by Cascales, Maria del Socorro García and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-10-31 with Technology & Engineering categories.
As the climate and environment continue to fluctuate, researchers are urgently looking for new ways to preserve our limited resources and prevent further environmental degradation. The answer can be found through computer science, a field that is evolving at precisely the time it is needed most. Soft Computing Applications for Renewable Energy and Energy Efficiency brings together the latest technological research in computational intelligence and fuzzy logic as a way to care for our environment. This reference work highlights current advances and future trends in environmental sustainability using the principles of soft computing, making it an essential resource for students, researchers, engineers, and practitioners in the fields of project engineering and energy science.
Sustainable Development Concepts Methodologies Tools And Applications
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Author : Management Association, Information Resources
language : en
Publisher: IGI Global
Release Date : 2017-10-31
Sustainable Development Concepts Methodologies Tools And Applications written by Management Association, Information Resources and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-31 with Science categories.
To maintain a healthy ecosystem for contemporary society, and for future generations, policies must be implemented to protect the environment. This can be achieved by consistent evaluation of new initiatives and strategies. Sustainable Development: Concepts, Methodologies, Tools, and Applications is a comprehensive source of scholarly information on the latest research for sustainability concerns across a multidisciplinary perspective. Highlighting a broad range of innovative topics such as renewable energy, urban development, and green technologies, this multi-volume book is ideally designed for academics, researchers, professionals, students, and practitioners interested in the preservation of the environment.
Industrial Control Systems
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Author : Vipin Chandra Pal
language : en
Publisher: John Wiley & Sons
Release Date : 2024-03-19
Industrial Control Systems written by Vipin Chandra Pal and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-03-19 with Technology & Engineering categories.
INDUSTRIAL CONTROL SYSTEMS This volume serves as a comprehensive guide in the journey of industrial control systems with a multidisciplinary approach to the key engineering problems in the 21st century. The journey of the control system may be viewed from the control of steam engines to spacecraft, aeroplane missile control systems to networked control systems and cybersecurity controls. In terms of industrial control and application, the journey starts from the design of P-I-D controllers to fuzzy controllers, neuro-fuzzy controllers, backstepping controllers, sliding mode controllers, and event-triggered controls for networked control systems. Recently, control theory has spread its golden feathers in different fields of engineering by use of the splendid tool of the control system. In this era, the boom of the Internet of Things is at its maximum pace. Different biomedical applications also come under this umbrella and provide the easiest way to continuous monitoring. One of the prominent research areas of green energy and sustainable development in which control plays a vital role is load frequency controllers, control of solar thermal plants, an event-driven building energy management system, speed-sensorless voltage and frequency control in autonomous DFIG-based wind energy, Hazardous Energy Control Programs, and many more. This exciting new volume: Offers a complete journey through industrial control systems Is written for multidisciplinary students and veteran engineers alike Benefits researchers from diverse disciplines with real-world applications
Electronic Engineering
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Author : Dongxing Wang
language : en
Publisher: CRC Press
Release Date : 2018-07-27
Electronic Engineering written by Dongxing Wang and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-27 with Computers categories.
The 4th International Conference of Electronic Engineering and Information Science 2017 (ICEEIS2017) was held January 7-8, 2017 in Haikou, P.R. China. This conference was sponsored by the Harbin University of Science and Technology, China. The conference continued the tradition of gathering world-class researchers, engineers and educators engaged in the fields of electronic engineering and information science to meet and present their latest activities. The proceedings contains contributions in the fields of Electronic Engineering, Information Science and Information Technologies, Computational Mathematics and Data Mining, Mechatronics, Control and Automation and Material Science and Technologies of Processing.
Resilient Power Electronic Systems
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Author : Shahriyar Kaboli
language : en
Publisher: John Wiley & Sons
Release Date : 2022-08-15
Resilient Power Electronic Systems written by Shahriyar Kaboli and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-15 with Technology & Engineering categories.
Resilient Power Electronic Systems Discover an advanced reference offering a powerful novel approach to the design and use of reliable and fault-tolerant power electronic systems In Resilient Power Electronic Systems, a team of accomplished researchers deliver an insightful treatment of the challenges faced by practitioners and researchers working with power electronic converters and attempting to analyze internal and external failure mechanisms. The authors expertly present advanced techniques for reducing noise effects on fault detection and prognosis. Comprised of thirteen chapters, the authors discuss the concepts of resilience and effective operative life in the context of power electronics. The differences between reliable and efficient systems are discussed, as well as the nature of these differences in complex systems. Finally, the book explores various methods to improve the resilience of power converters. Resilient Power Electronic Systems is packed with features, including illustrations, practice problems, and PowerPoint presentations. The book also includes: A thorough introduction to the application of power electronics in various industries, as well as the concept of resilience in a power converter Comprehensive explorations of resilience against fault tolerance, including fault-tolerant power converters and resilient power converters Practical discussions of the state-of-the-art in resilient power converters, including examinations of mission-critical applications In-depth examinations of internal and external fault in power converters with mission-critical applications Resilient Power Electronic Systems is an indispensable resource for researchers, professionals, and postgraduate students studying power electronics. It’s also an ideal reference for research and development engineers working with the design and development of power electronic converters.
The Proceedings Of 2024 International Conference Of Electrical Electronic And Networked Energy Systems
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Author : Aimin Sha
language : en
Publisher: Springer Nature
Release Date : 2025-02-17
The Proceedings Of 2024 International Conference Of Electrical Electronic And Networked Energy Systems written by Aimin Sha and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-02-17 with Technology & Engineering categories.
This conference is one of the most significant annual events of the China Electrotechnical Society, showcasing the latest research trends, methodologies, and experimental results in electrical, electronic, and networked energy systems. The proceedings cover a wide range of cutting-edge theories and ideas, including topics such as power systems, power electronics, smart grids, renewable energy, energy integration in transportation, advanced power technologies, and the energy internet. The aim of these proceedings is to provide a key interdisciplinary platform for researchers, engineers, academics, and industry professionals to present groundbreaking developments in the field of electrical, electronic, and networked energy systems. It also offers engineers and researchers from academia, industry, and government a comprehensive view of innovative solutions that integrate concepts from multiple disciplines. These volumes serve as a valuable reference for researchers and graduate students in electrical engineering.
Official Gazette Of The United States Patent And Trademark Office
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Author :
language : en
Publisher:
Release Date : 1991
Official Gazette Of The United States Patent And Trademark Office written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Patents categories.