Titlebook: Magnetic Bearings; Theory, Design, and Eric H. Maslen,Gerhard Schweitzer Book 2009 Springer-Verlag Berlin Heidelberg 2009 Active Magnetic

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Eric H. Maslen,Gerhard SchweitzerReports the state of the art in this subfield of mechatronics.Written by internationally renowned experts

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Principle of Active Magnetic Suspension,ferred to as . bearings while the second group is made up by the . bearings. Whereas the latter bearing type has lately gained an increasing importance mainly in the field of the ., it is still the case that the bulk of industrial magnetic bearing applications employ reluctance force bearings.

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Hardware Components,lectrical control system. The control system uses signals from the position sensors to determine what commands (signals) to send to the amplifiers. The amplifiers, in turn, drive current through the electromagnet coils to produce forces which act on the suspended rotor. This relationship between components is described in detail in Chap. 2.

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,Self–Sensing Magnetic Bearings,om the voltage and current histories for the electromagnet coils. Mirroring the development of back–emf sensing of angular position in brushless DC motors, this technology has begun to be applied to commercial products.

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Digital Control,The main focus of this chapter is to give a general overview of the special properties and various features of a digitally controlled AMB system, while keeping mathematical derivations at a minimum wherever possible. This information can be found in the textbooks about sampled data control systems.

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Dynamics of Flexible Rotors,A good knowledge of the dynamic behaviour of flexible rotors is very important, especially when they are running in active magnetic bearings. Particularly for the design of the controller, a good model for such mechanical systems is necessary.