Permanent Magnet Synchronous Motor Drive System Utilizing D-Q Transformation PDF Download
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Author: Vinayak Kadnekar
Publisher:
ISBN:
Category :
Languages : en
Pages : 37
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Book Description
Permanent Magnet Synchronous Motors (PMSMs) have become driving force of various industries. Being high efficiency, high power, low inertia, high steady state starting torque and comparatively simple control methods PMSMs find many applications in traction systems and electric vehicles (EVs). This is the main reason why control strategy research of synchronous motor has attracted a lot of attention. With advancement in power electronics technology and tremendous research over the years on motor control theory, speed control systems of synchronous motor are widely used. Vector Field oriented speed controller that regulates the speed of a PMSM based on Park and Clarke (D-Q transformation) is most famous and widely used to control the speed of various electrical motor drive systems. In this method, a quadrature axis current component developed using speed control provides field oriented vector control. In this project, 400 V four poles, three phase PMSM test bench is simulated using two current controlling techniques – Current Hysteresis Control and Pulse Width Modulation (PWM) control. Based on mathematical equations of PMSM, the dynamic model is designed along with closed loop speed control using traditional proportional-integral-derivative (PID) controller. Also following theory and mathematical equations on Park and Clarke Transformation abc to dq and dq to abc blocks are designed in Simulink. In addition to that, Pulse width modulation (PWM) block and three phase voltage source inverters (VSI) block is designed using Simulink library. As mentioned above simulation using Mathwork’s MATLAB/Simulink package illustrates d-q transformation control of PMSM drive systems using both techniques. Performance of both these techniques is presented along with graphical analysis.
Author: Vinayak Kadnekar
Publisher:
ISBN:
Category :
Languages : en
Pages : 37
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Book Description
Permanent Magnet Synchronous Motors (PMSMs) have become driving force of various industries. Being high efficiency, high power, low inertia, high steady state starting torque and comparatively simple control methods PMSMs find many applications in traction systems and electric vehicles (EVs). This is the main reason why control strategy research of synchronous motor has attracted a lot of attention. With advancement in power electronics technology and tremendous research over the years on motor control theory, speed control systems of synchronous motor are widely used. Vector Field oriented speed controller that regulates the speed of a PMSM based on Park and Clarke (D-Q transformation) is most famous and widely used to control the speed of various electrical motor drive systems. In this method, a quadrature axis current component developed using speed control provides field oriented vector control. In this project, 400 V four poles, three phase PMSM test bench is simulated using two current controlling techniques – Current Hysteresis Control and Pulse Width Modulation (PWM) control. Based on mathematical equations of PMSM, the dynamic model is designed along with closed loop speed control using traditional proportional-integral-derivative (PID) controller. Also following theory and mathematical equations on Park and Clarke Transformation abc to dq and dq to abc blocks are designed in Simulink. In addition to that, Pulse width modulation (PWM) block and three phase voltage source inverters (VSI) block is designed using Simulink library. As mentioned above simulation using Mathwork’s MATLAB/Simulink package illustrates d-q transformation control of PMSM drive systems using both techniques. Performance of both these techniques is presented along with graphical analysis.
Author: Sadegh Vaez-Zadeh
Publisher: Oxford University Press
ISBN: 0191060674
Category : Technology & Engineering
Languages : en
Pages : 384
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Book Description
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.
Author: Gaolin Wang
Publisher: Springer Nature
ISBN: 9811500509
Category : Technology & Engineering
Languages : en
Pages : 305
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Book Description
The book focuses on position sensorless control for PMSM drives, addressing both basic principles and experimental evaluation. It provides an in-depth study on a number of major topics, such as model-based sensorless control, saliency-based sensorless control, position estimation error ripple elimination and acoustic noise reduction. Offering a comprehensive and systematic overview of position sensorless control and practical issues it is particularly suitable for readers interested in the sensorless control techniques for PMSM drives. The book is also a valuable resource for researchers, engineers, and graduate students in fields of ac motor drives and sensorless control.
Author: Chiranjit Sain
Publisher: CRC Press
ISBN: 1000484858
Category : Technology & Engineering
Languages : en
Pages : 179
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Book Description
To reduce the emissions of greenhouse gasses and maintain environmental sustainability, electric vehicles play a vital role in a modern energy-efficient environment. Permanent magnet synchronous motors (PMSMs) are widely employed in electric vehicle technology due to their high dynamic response, better torque-speed characteristics, noiseless operation, high power density, high efficiency and power factor as compared to other conventional motor drives. This book demonstrates the development of various control strategies and illustrates the dynamic performance intensification of a PMSM drive. To ensure the faster dynamic behaviour and flexibility in control under various operating conditions, the performance of a PMSM drive has been explained. Finally, control strategies have been executed through mathematical modelling and illustration of several case studies for optimal operation. Features: Introduces performance indicators in a self-controlled PMSM machine to justify the dynamic behaviour Discusses comparative performance study and optimization of the drive performance Provides a detailed comparative performance analysis between classical and fuzzy logic controllers in a PMSM drive Includes illustrations and case studies using mathematical modelling and real-time test results Discusses the state of the art in solar-powered energy-efficient PMSM drives with various issues This book is aimed at researchers, graduate students and libraries in electrical engineering with specialization in electric vehicles.
Author: Saad Muftah Zeid
Publisher:
ISBN:
Category : Electric motors, Synchronous
Languages : en
Pages : 242
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Book Description
Author: Wei Xu
Publisher: CRC Press
ISBN: 1000909700
Category : Technology & Engineering
Languages : en
Pages : 279
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Book Description
Permanent magnet synchronous motors (PMSMs) are popular in the electric vehicle industry due to their high-power density, large torque-to-inertia ratio, and high reliability. This book presents an improved field-oriented control (FOC) strategy for PMSMs that utilizes optimal proportional-integral (PI) parameters to achieve robust stability, faster dynamic response, and higher efficiency in the flux-weakening region. The book covers the combined design of a PI current regulator and varying switching frequency pulse-width modulation (PWM), along with an improved linear model predictive control (MPC) strategy. Researchers and graduate students in electrical engineering, systems and control, and electric vehicles will find this book useful. Features: • Implements evolutionary optimization algorithms to improve PMSM performance. • Provides coverage of PMSM control design in the flux-weakening region. • Proposes a modern method of model predictive control to improve the dynamic performance of interior PMSM. • Studies the dynamic performance of two kinds of PMSMs: surface-mounted and interior permanent magnet types. • Includes several case studies and illustrative examples with MATLAB®. This book is aimed at researchers, graduate students, and libraries in electrical engineering with specialization in systems and control and electric vehicles.
Author: Ramu Krishnan
Publisher: CRC Press
ISBN: 1351837370
Category : Technology & Engineering
Languages : en
Pages : 685
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Book Description
Despite two decades of massive strides in research and development on control strategies and their subsequent implementation, most books on permanent magnet motor drives still focus primarily on motor design, providing only elementary coverage of control and converters. Addressing that gap with information that has largely been disseminated only in journals and at conferences, Permanent Magnet Synchronous and Brushless DC Motor Drives is a long-awaited comprehensive overview of power electronic converters for permanent magnet synchronous machines and control strategies for variable-speed operation. It introduces machines, power devices, inverters, and control, and addresses modeling, implementation, control strategies, and flux weakening operations, as well as parameter sensitivity, and rotor position sensorless control. Suitable for both industrial and academic audiences, this book also covers the simulation, low cost inverter topologies, and commutation torque ripple of PM brushless DC motor drives. Simulation of the motor drives system is illustrated with MATLAB® codes in the text. This book is divided into three parts—fundamentals of PM synchronous and brushless dc machines, power devices, inverters; PM synchronous motor drives, and brushless dc motor drives. With regard to the power electronics associated with these drive systems, the author: Explores use of the standard three-phase bridge inverter for driving the machine, power factor correction, and inverter control Introduces space vector modulation step by step and contrasts with PWM Details dead time effects in the inverter, and its compensation Discusses new power converter topologies being considered for low-cost drive systems in PM brushless DC motor drives This reference is dedicated exclusively to PM ac machines, with a timely emphasis on control and standard, and low-cost converter topologies. Widely used for teaching at the doctoral level and for industrial audiences both in the U.S. and abroad, it will be a welcome addition to any engineer’s library.
Author: Sharvari Tamane
Publisher: Springer Nature
ISBN: 9464631368
Category : Computers
Languages : en
Pages : 1027
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Book Description
This is an open access book. As on date, huge volumes of data are being generated through sensors, satellites, and simulators. Modern research on data analytics and its applications reveal that several algorithms are being designed and developed to process these datasets, either through the use of sequential and parallel processes. In the current scenario of Industry 4.0, data analytics, artificial intelligence and machine learning are being used to support decisions in space and time. Further, the availability of Graphical Processing Units (GPUs) and Tensor Processing Units (TPUs) have enabled to processing of these datasets. Some of the applications of Artificial Intelligence, Machine Learning and Data Analytics are in the domains of Agriculture, Climate Change, Disaster Prediction, Automation in Manufacturing, Intelligent Transportation Systems, Health Care, Retail, Stock Market, Fashion Design, etc. The international conference on Applications of Machine Intelligence and Data Analytics aims to bring together faculty members, researchers, scientists, and industry people on a common platform to exchange ideas, algorithms, knowledge based on processing hardware and their respective application programming interfaces (APIs).
Author: Adhavan Balashanmugham
Publisher:
ISBN:
Category : Electronic books
Languages : en
Pages : 0
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Book Description
The permanent-magnet synchronous machine (PMSM) drive is one of best choices for a full range of motion control applications. For example, the PMSM is widely used in robotics, machine tools, actuators, and it is being considered in high-power applications such as industrial drives and vehicular propulsion. It is also used for residential/commercial applications. The PMSM is known for having low torque ripple, superior dynamic performance, high efficiency and high power density. Section 1 deals with the introduction of PMSM and how it is evolved from synchronous motors. Section 2 briefly discusses about the types of PMSM. Section 3 tells about the assumptions in PMSM for modeling of PMSM and it derives the equivalent circuit of PMSM. In Section 4, permanent magnet synchronous motor drive system is briefly discussed with explanation of each blocks in the systems. Section 5 reveals about the control techniques of PMSM like scalar control, vector control and simulation of PMSM driven by field-oriented control using fuzzy logic control with space vector modulation for minimizing torque ripples. PMSM control with and without rotor position sensors along with different control techniques for controlling various parameters of PMSM for different applications is presented in Section 6.
Author: Dong, Rong
Publisher: Universitätsverlag der TU Berlin
ISBN: 379833126X
Category : Technology & Engineering
Languages : en
Pages : 130
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Book Description
The electrical propulsion system as the core component of solar-power Unmanned Aerial Vehicles (UAVs) for long duration flight requires high power density and stable drive technology. Brushless DC motors (BLDCM) with high power and torque density and control algorithms suitable for drive system are given preference for the application in UAVs. This dissertation is aimed at designing an improved BLDCM using only 4 interior magnet blocks to realize 8 poles compared to the conventional 8 magnet blocks structure. The performances of both BLDCM designs have been analytically determined and the motor models were verified through finite element software in ANSYS. Design and construction of the demonstrators of BLDCMs with the proposed and the conventional magnet structure have been carried out and a test bench for extensive performance comparison has been set up. Since the proposed magnet structure leads to a particularity of the magnetic circuit, the behavior of absolute and differential synchronous direct and quadrature inductances have been investigated by finite element model analysis and experiments. Efficiency maps were generated and thermal characteristics have been measured to gain a comprehensive understanding of the two motors. To reduce the uncertainty of sensor control for BLDCM, a high speed, good linearity analog isolation circuit to measure the voltages of 270 V DC voltage to realize sensorless control strategy has been designed. The circuit combines a PI controller with fast operational amplifiers with a built-in linearizing feedback photodiode loop of a linear optocoupler. A 3D stator model was built to analyse the mechanical resonance frequencies and possible excitation by the electromagnetic radial force leading to vibration and noise for the proposed and conventional rotor structure. Analytical calculation of natural mode frequencies has also been conducted to compare and validate the accuracy of FEM simulations and impact hammer testing experimental results. Das elektrische Antriebssystem als Kernkomponente von unbemannten Solarflugzeugen (UAVs, Unmanned Aerial Vehicles) für Langzeitflüge erfordert eine hohe Leistungsdichte und robuste Antriebstechnik. Bürstenlose Gleichstrommotoren (BLDCM) mit hoher Leistungs- und Drehmomentdichte sowie dafür angepasste Regelalgorithmen werden daher bevorzugt in UAVs eingesetzt. Diese Dissertation zielt darauf ab, einen verbesserten BLDCM mit nur 4 eingebetteten Magnetblöcken zu entwerfen, um 8 Pole zu realisieren im Vergleich zu der herkömmlichen Struktur mit 8 Magnetblöcken. Das Verhalten beider BLDCM-Designs wurde analytisch ermittelt und die Motormodelle mit Hilfe von Finite-Elemente-Software in ANSYS verifiziert. Design und Konstruktion der Prototypen mit der vorgeschlagenen und der herkömmlichen Magnetstruktur wurden durchgeführt und es wurde ein Prüfstand für einen umfassenden Leistungsvergleich aufgebaut. Da die vorgeschlagene Magnetstruktur zu einem Magnetkreis führt, bei dem die entgegengesetzten Pole keine Spiegelsymmetrie aufweisen, wurden die Längs- und Querinduktivität durch Finite-Elemente-Modellanalyse und Experimente absolut und differentiell untersucht. Weiterhin wurden Wirkungsgradkennfelder erstellt und das thermische Verhalten untersucht, um ein umfassendes Verständnis der beiden Motoren zu erhalten. Um das sensorbedingte Ausfallrisiko zu eliminieren, wurde eine schnelle analoge Isolationsschaltung mit hoher Linearität und Stabilität zur Messung der gepulsten Spannungen bei 270V Gleichspannung entwickelt, um eine sensorlose Steuerungsstrategie zu realisieren. Die Schaltung verwendet einen linearen Optokoppler mit integrierter Rückkopplungsfotodiode, sowie einen PI-Regler mit schnellen Operationsverstärkern im Rückkopplungspfad. Ein 3D-Statormodell wurde erstellt, um die mechanischen Resonanzfrequenzen und die mögliche Anregung durch die elektromagnetische Radialkraft zu analysieren, die zu Vibrationen und Geräuschen bei der vorgeschlagenen und herkömmlichen Rotorstruktur führt. Es wurde auch eine analytische Modalanalyse durchgeführt, um die Genauigkeit von FEM-Simulationen und experimentellen Ergebnissen mit dem Impulshammer zu vergleichen und zu validieren.
