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Active magnetic bearings (AMBs) use magnetic forces to support various machine components. Due to the non-contact nature of suspension, this new bearing technology offers a number of significant advantages over conventional bearings.
Conceptually, a typical AMB is composed of four basic components; sensors, controllers, power amplifiers, and electromagnetic actuators. The entire magnetic bearing system is inherently non-linear.
The aim of this project is to gain a much deeper insight into the effects of non-linearities on the dynamic behaviour and on the performance of active magnetic bearings. This project will focus attention on stability analysis, bifurcation control, malfunction analysis, and non-linear dynamic behaviour. The expected outcomes are better understanding and prediction of non-linear behaviour and control of AMBs and improved guidelines for designing safer and more effective AMBs.
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