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- W4386778320 abstract "The application of magnetic bearings has become more frequent during the last 20 years and represents a significant aspect of improvements in the construction of machines with rotary motion. With the advancement of technology, the number of applications in which magnetic bearings have found their application is increasing. In this paper, it is shown how the effect of magnetic forces can annul the negative influence of unbalance, which suddenly appeared in a rotor supported in active magnetic bearings. Such cases may occur in operation due to breakage and rotor parts falling off (e.g., fan blades), which will lead to a sudden change in the mass balance of the rotor system and dislocation of the centre of mass in relation to the geometric centre of the rotor. In the paper, a mathematical model of the dynamic behaviour of a rigid rotor in active magnetic bearings was developed. The model is nonlinear and has five degrees of freedom and can only be solved numerically. The Newmark beta method and the Newton-Raphson method were used to solve the system of nonlinear differential equations. The results of the simulation showed the advantages of using active magnetic bearings for annulling sudden occurrences of unbalance in rotary machines." @default.
- W4386778320 created "2023-09-16" @default.
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- W4386778320 date "2023-01-01" @default.
- W4386778320 modified "2023-09-27" @default.
- W4386778320 title "The annulling of the sudden appearance of an unbalance in rotary machines by using active magnetic bearings" @default.
- W4386778320 doi "https://doi.org/10.30765/er.2308" @default.
- W4386778320 hasPublicationYear "2023" @default.
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