Magnetic Bearings: Theory, Design, and Application to Rotating Machinery

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Compiling the expertise of nine pioneers of the field, Magnetic Bearings - Theory, Design, and Application to Rotating Machinery offers an encyclopedic study of this rapidly emerging field with a balanced blend of commercial and academic perspectives. Every element of the technology is examined in detail, beginning at the component level and proceeding through a thorough exposition of the design and performance of these systems. The roster of authors boasts an average of twenty-five years of work developing magnetic bearing technology - a truly exceptional pool of experience.

The book is organized in a logical fashion, starting with an overview of the technology and a survey of the range of applications. A background chapter then explains the central concepts of active magnetic bearings while avoiding a morass of technical details. From here, the reader continues to a meticulous, state-of-the-art exposition of the component technologies and the manner in which they are assembled to form the AMB/rotor system. These system models and performance objectives are then tied together through extensive discussions of control methods for both rigid and flexible rotors, including consideration of the problem of system dynamics identification. Supporting this, the issues of system reliability and fault management are discussed from several useful and complementary perspectives. At the end of the book, numerous special concepts and systems, including micro-scale bearings, self-bearing motors, and self-sensing bearings, are put forth as promising directions for new research and development.

Newcomers to the field will find the material highly accessible while veteran practitioners will be impressed by the level of technical detail that emerges from a combination of sophisticated analysis and insights gleaned from many collective years of practical experience. An exhaustive, self-contained text on active magnetic bearing technology, this book should be a core reference for anyone seeking to understand or develop systems using magnetic bearings.

Author(s): Gerhard Schweitzer (auth.), Eric H. Maslen, Gerhard Schweitzer (eds.)
Edition: 1
Publisher: Springer-Verlag Berlin Heidelberg
Year: 2009

Language: English
Pages: 535
City: Berlin Heidelberg Springer
Tags: Control , Robotics, Mechatronics; Vibration, Dynamical Systems, Control; Machinery and Machine Elements

Front Matter....Pages 1-14
Introduction and Survey....Pages 1-26
Principle of Active Magnetic Suspension....Pages 27-68
Hardware Components....Pages 69-109
Actuators....Pages 111-134
Losses in Magnetic Bearings....Pages 135-150
Design Criteria and Limiting Characteristics....Pages 151-165
Dynamics of the Rigid Rotor....Pages 167-189
Control of the Rigid Rotor in AMBs....Pages 191-228
Digital Control....Pages 229-250
Dynamics of Flexible Rotors....Pages 251-297
Identification....Pages 299-318
Control of Flexible Rotors....Pages 319-388
Touch-down Bearings....Pages 389-406
Dynamics and Control Issues for Fault Tolerance....Pages 407-433
Self–Sensing Magnetic Bearings....Pages 435-459
Self–Bearing Motors....Pages 461-485
Micro Magnetic Bearings....Pages 487-503
Safety and Reliability Aspects....Pages 505-521
Back Matter....Pages 1-13