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2008•Journal of Aerospace PowerRequires access

Experimental analysis on characteristics of the system supported by magnetic bearings and magnetic damper

Peizhen Huang

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Abstract

The system was supported by two radial magnetic bearings,one axial magnetic bearing and one radial magnetic damper.The radial magnetic damper only supported the rotor with damping and with no stiffness.Influence of the control parameters on characteristics of the system was studied by experimental modal analysis and actual operation of the system.Experimental analysis of the system shows that the vibration of the rotor can be reduced effectively,when it got across the first two bending critical speeds and operated on over 16 000 rotations per minute.

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What this paper is about

The system was supported by two radial magnetic bearings,one axial magnetic bearing and one radial magnetic damper.The radial magnetic damper only supported the rotor with damping and with no stiffness.Influence of the control parameters on characteristics of the system was studied by experimental modal analysis and actual operation of the system.Experimental analysis of the system shows that the vibration of the rotor can be reduced effectively,when it got across the first two bending critical speeds and operated on over 16 000 rotations per minute.

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Available abstract

The system was supported by two radial magnetic bearings,one axial magnetic bearing and one radial magnetic damper.The radial magnetic damper only supported the rotor with damping and with no stiffness.Influence of the control parameters on characteristics of the system was studied by experimental modal analysis and actual operation of the system.Experimental analysis of the system shows that the vibration of the rotor can be reduced effectively,when it got across the first two bending critical speeds and operated on over 16 000 rotations per minute.

Key concepts: Magnetic bearing, Damper, Stiffness, Vibration, Helicopter rotor, Rotor (electric), Modal analysis, Magnetic levitation

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