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RISDynamic and Thermal Analysis of Rotor Drop on Sleeve Type Catcher Bearings in Magnetic Bearing Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The catcher bearing (CB) is a crucial part of the magnetic bearing system. It can support the rotor when the magnetic bearing is shut down or malfunctioning and limit the rotor's position when large vibration occurs. The ...
Simulation, Test, and Mitigation of ½× Forward Whirl Following Rotor Drop Onto Auxiliary Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: 1/2× forward whirl repeatedly occurred after a test rotor spinning at 5800 rpm was dropped onto ball bearing type auxiliary bearings (AB), utilized as a backup for magnetic bearings (MB). The measured contact forces that ...
Multi-Objective Optimization Design of Nonlinear Magnetic Bearing Rotordynamic System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Nonlinear vibrations and their control are critical in improving the magnetic bearings system performance and in the more widely spread use of magnetic bearings system. Multiple objective genetic algorithms (MOGAs) ...