Implementation And Evaluation Of A Full Order Observer For A Synchronous Reluctance Motor
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Implementation And Evaluation Of A Full Order Observer For A Synchronous Reluctance Motor
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Author : Matthew Hortman
language : en
Publisher:
Release Date : 2004
Implementation And Evaluation Of A Full Order Observer For A Synchronous Reluctance Motor written by Matthew Hortman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Electric motors, Synchronous categories.
Sensorless control of the synchronous reluctance motor has been a topic of research for more than a decade, producing several successful methods to accomplish this goal. However, a technique that has been overlooked is the full-order nonlinear observer, which is essentially a software model of the motor driven by measurements from the actual motor. Presented in this thesis is the design, implementation, and experimental testing of a full-order observer-based sensorless control technique which requires only the phase current and voltage measurements that are typically available in standard three-phase inverters. A technique is also presented for calculating a table of observer feedback gains parameterized only by the steady-state motor speed. This allows a gain-scheduling observer to be implemented which, as shown using experiments, improves the transient response of the observer over a wide speed range. The sensorless controller consists of a full-order nonlinear observer coupled with an input-output linearization speed controller. The resulting controller was implemented in Simulink and executed on a dSPACE DS1103 real-time DSP board using the Real-Time Workshop extension to Simulink. A custom built three-phase IGBT inverter was used to interface the DSP to a 100 watt synchronous reluctance motor for laboratory testing. The resulting sensorless controller was able to successfully track a varying speed reference from 150 rpm to 1800 rpm with a tracking error under 5% for most of the speed range. At the lowest speeds, the tracking error begins to increase but the observer remains stable down to 150 rpm.
Contributions To Disturbance Observer Based Control
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Author : Yongchao Liu
language : en
Publisher:
Release Date : 2020
Contributions To Disturbance Observer Based Control written by Yongchao Liu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
In this thesis, four novel composite controllers, each of which combines a nonlinear feedback controller with a disturbance observer (DO), are proposed for a single-input uncertain nonlinear system with relative degree one for the disturbance attenuation ability improvement and applied to the construction of novel robust field-oriented control (FOC) strategies for the synchronous reluctance motor-based variable speed drive (SynRM-VSD) system and the surface-mounted permanent-magnet synchronous motor-based VSD (SPMSM-VSD) system.The first proposed composite controller is named as the type-1 composite controller, which consists of a standard super-twisting sliding-mode (STSM) controller, a Hermite neural network-based DO (HNN-DO) and an error compensator. Rigorous stability analysis of the sliding-mode dynamics with this composite controller is presented. Based on that, the learning laws for the HNN-DO and the error compensator are rigorously derived. Moreover, the type-1 composite controller is designed as a rotor speed controller for the construction of a novel robust FOC strategy for the SynRM-VSD system, where two composite current controllers, each of which is composed of two standard STSM controllers, are adopted. Comparative hardware-in-the-loop tests are performed to demonstrate the effectiveness and the superiority of the proposed FOC strategy.The second proposed composite controller is named as the type-2 composite controller, which consists of a modified STSM controller and a second-order extended state observer. Rigorous stability analysis of the sliding-mode dynamics with this composite controller is presented. Furthermore, the type-2 composite controller is designed as a rotor speed controller for the construction of a novel robust FOC strategy for the SPMSM-VSD system, where two linear proportional-integral (PI) current controllers are adopted. Comparative experimental tests are performed to demonstrate the effectiveness and the superiority of such a FOC strategy.The third proposed composite controller is named as the type-3 composite controller, which consists of a sign-function-based complementary sliding-mode controller and a super-twisting sliding-mode observer (STSMO). Rigorous stability analysis of the tracking error dynamics with this composite controller is presented. Moreover, the type-3 composite controller is designed as a rotor speed controller for the construction of a novel robust FOC strategy for the SPMSM-VSD system, where two linear PI current controllers are adopted. Comparative experimental tests are performed to demonstrate the effectiveness and the superiority of such a FOC strategy.The fourth proposed composite controller is named as the type-4 composite controller, which consists of a classic model reference adaptive controller, a STSMO and an error compensator. A stable first-order linear model is selected as the reference model for the system. Rigorous stability analysis of the tracking error dynamics with this composite controller is presented. Furthermore, the type-4 composite controller is designed as a rotor speed controller for the construction of a novel robust FOC strategy for the SPMSM-VSD system, where two linear PI current controllers are adopted. Comparative experimental tests are performed to demonstrate the effectiveness and superiority of such a FOC strategy.
The Rediscovery Of Synchronous Reluctance And Ferrite Permanent Magnet Motors
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Author : Gianmario Pellegrino
language : en
Publisher: Springer
Release Date : 2016-04-28
The Rediscovery Of Synchronous Reluctance And Ferrite Permanent Magnet Motors written by Gianmario Pellegrino and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-28 with Technology & Engineering categories.
This book offers an essential compendium on the analysis and design of synchronous motors for variable-speed applications. Focusing on synchronous reluctance and ferrite permanent-magnet (PM) synchronous reluctance machines, it provides a broad perspective on three-phase machines for variable speed applications, a field currently dominated by asynchronous machines and rare-earth PM synchronous machines. It also describes synchronous reluctance machines and PM machines without rare-earth materials, comparing them to state-of-the-art solutions. The book provides readers with extensive information on and finite element models of PM synchronous machines, including all relevant equations and with an emphasis on synchronous-reluctance and PM-assisted synchronous-reluctance machines. It covers ferrite-assisted machines, modeled as a subcase of PM-assistance, fractional slot combinations solutions, and a quantitative, normalized comparison of torque capability with benchmark PM machines. The book discusses a wealth of techniques for identifying machine parameters, with an emphasis on self-commissioning algorithms, and presents methods for automated machine design and optimization, including a software tool developed for this purpose. Addressing an important gap in the field of PM-less and less-PM electrical machines, it is intended as a self-contained reference guide for both graduate students and professional machine designers, and as a useful text for university courses on automated and/or optimized design of electrical machines and drives.
Control Of Electric Machine Drive Systems
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Author : Seung-Ki Sul
language : en
Publisher: John Wiley & Sons
Release Date : 2011-04-20
Control Of Electric Machine Drive Systems written by Seung-Ki Sul 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 2011-04-20 with Technology & Engineering categories.
A unique approach to sensorless control and regulator design of electric drives Based on the author's vast industry experience and collaborative works with other industries, Control of Electric Machine Drive Systems is packed with tested, implemented, and verified ideas that engineers can apply to everyday problems in the field. Originally published in Korean as a textbook, this highly practical updated version features the latest information on the control of electric machines and apparatus, as well as a new chapter on sensorless control of AC machines, a topic not covered in any other publication. The book begins by explaining the features of the electric drive system and trends of development in related technologies, as well as the basic structure and operation principles of the electric machine. It also addresses steady state characteristics and control of the machines and the transformation of physical variables of AC machines using reference frame theory in order to provide a proper foundation for the material. The heart of the book reviews several control algorithms of electric machines and power converters, explaining active damping and how to regulate current, speed, and position in a feedback manner. Seung-Ki Sul introduces tricks to enhance the control performance of the electric machines, and the algorithm to detect the phase angle of an AC source and to control DC link voltages of power converters. Topics also covered are: Vector control Control algorithms for position/speed sensorless drive of AC machines Methods for identifying the parameters of electric machines and power converters The matrix algebra to model a three-phase AC machine in d-q-n axes Every chapter features exercise problems drawn from actual industry experience. The book also includes more than 300 figures and offers access to an FTP site, which provides MATLAB programs for selected problems. The book's practicality and realworld relatability make it an invaluable resource for professionals and engineers involved in the research and development of electric machine drive business, industrial drive designers, and senior undergraduate and graduate students. To obtain instructor materials please send an email to [email protected] To visit this book's FTP site to download MATLAB codes, please click on this link: ftp://ftp.wiley.com/public/sci_tech_med/electric_machine/ MATLAB codes are also downloadable from Wiley Booksupport Site at http://booksupport.wiley.com
Electrical Electronics Abstracts
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Author :
language : en
Publisher:
Release Date : 1997
Electrical Electronics Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Electrical engineering categories.
Design And Control Of Electrical Motor Drives
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Author :
language : en
Publisher:
Release Date : 2021-12-09
Design And Control Of Electrical Motor Drives written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-09 with Technology & Engineering categories.
Modelling And Control Of Switched Reluctance Machines
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Author : Rui Araújo
language : en
Publisher: BoD – Books on Demand
Release Date : 2020-09-09
Modelling And Control Of Switched Reluctance Machines written by Rui Araújo and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-09 with Science categories.
Today, switched reluctance machines (SRMs) play an increasingly important role in various sectors due to advantages such as robustness, simplicity of construction, low cost, insensitivity to high temperatures, and high fault tolerance. They are frequently used in fields such as aeronautics, electric and hybrid vehicles, and wind power generation. This book is a comprehensive resource on the design, modeling, and control of SRMs with methods that demonstrate their good performance as motors and generators.
Ieee International Symposium On Industrial Electronics Proceedings
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Author :
language : en
Publisher:
Release Date : 2004
Ieee International Symposium On Industrial Electronics Proceedings written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Industrial electronics categories.
Smart Applications And Data Analysis
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Author : Mohamed Hamlich
language : en
Publisher: Springer Nature
Release Date : 2023-01-01
Smart Applications And Data Analysis written by Mohamed Hamlich and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-01-01 with Computers categories.
This book constitutes the refereed proceedings of the 4th International Conference on Smart Applications and Data Analysis, SADASC 2022, held in Marrakesh, Morocco,during September 22–24, 2022. The 24 full papers and 11 short papers included in this book were carefully reviewed andselected from 64 submissions. They were organized in topical sections as follows: AI-Driven Methods 1; Networking technologies & IoT; AI-Driven Methods 2; Green Energy, Computing and Technologies 1; AI-Driven Methods 3; Green Energy, Computing and Technologies 2; Case studies and Cyber-Physical Systems 1; Case studies and Cyber-Physical Systems 2; and Case studies and Cyber-Physical Systems 3.
Control Of Permanent Magnet Synchronous Motors
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Author : Sadegh Vaez-Zadeh
language : en
Publisher: Oxford University Press
Release Date : 2018-02-23
Control Of Permanent Magnet Synchronous Motors written by Sadegh Vaez-Zadeh and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-02-23 with Technology & Engineering categories.
Permanent magnet synchronous (PMS) motors stand at the forefront of electric motor development due to their energy saving capabilities and performance potential. The motors have been developed in response to mounting environmental crises and growing electricity prices, and they have enabled the emergence of motor drive applications like those found in electric and hybrid vehicles, fly by wire, and drones. Control of Permanent Magnet Synchronous Motors is a timely advancement along that path as the first comprehensive, self-contained, and thoroughly up-to-date book devoted solely to the control of PMS motors. It offers a deep and extended analysis, design, implementation, and performance evaluation of major motor control methods, including Vector, Direct Torque, Predictive, Deadbeat, and Combined Control, in a systematic and coherent manner. All major Sensorless Control and Parameter Estimation methods are also studied. The book places great emphasis on energy saving control schemes.