Permanent Magnet Synchronous and Brushless DC Motor Drives

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CRC Press, Sep 25, 2009 - Technology & Engineering - 611 pages
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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.


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the book is too costly to be bought..
please avail its e-book ..


Chapter 1 Permanent Magnets and Machines
Chapter 2 Introduction to Inverters and Their Control
Permanent Magnet Synchronous Machines and Their Control
Chapter 3 Dynamic Modeling of Permanent Magnet Synchronous Machines
Chapter 4 Control Strategies for a Permanent Magnet Synchronous Machine
Chapter 5 FluxWeakening Operation
Chapter 6 Design of Current and Speed Controllers
Chapter 7 Parameter Sensitivity and Compensation
Permanent Magnet Brushless DC Machines and Their Control
Chapter 10 Commutation Torque Ripple and Phase Advancing
Chapter 11 HalfWave PMBDCM Drives
Chapter 12 Design of Current and Speed Controllers
Chapter 13 Sensorless Control of PMBDCM Drive
Chapter 14 Special Issues
Back cover

Chapter 8 Rotor Position Estimation and Position Sensorless Control

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About the author (2009)

R. Krishnan is a professor of electrical and computer engineering at Virginia Tech, Blacksburg, USA, and the director of the Center for Rapid Transit Systems, specializing in linear and rotating motor drives. He is the author of Switched Reluctance Motor Drives (CRC Press), among other books, and his inventions have been prominently featured in radio, TV, and newspapers such as The Wall Street Journal. He has served as a consultant for 18 companies in the United States and has received best paper prize awards from the IEEE Industry Applications Society’s Industrial Drives Committee and the Electric Machines Committee, and Industrial Electronics Society. An IEEE Fellow, Professor Krishnan was awarded the Mittelman Award for outstanding achievement in industrial electronics from that society. He is a founder of two companies involved in variable speed motor drives, and he is a co-founder of a linear motor drives company.

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