Publication:
Modelling and Test of an Integrated Magnetic Spring-Eddy Current Damper for Space Applications

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2021-01
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MDPI
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Abstract
We present the design, manufacturing, and dynamical characterization of a mechanical suspension made by a passive magnetic spring and an eddy current damper integrated into a single device. Three configurations with 2, 3, and 4 permanent magnets axially distributed with opposite polarizations are designed, simulated, manufactured, and tested. Stiffness of 2410, 2050, 2090 N/m and damping coefficient of 5.45, 10.52 and 17.25 Ns/m are measured for the 2-, 3-, and 4-magnets configurations, respectively. The magnetic suspension provides good mechanical properties combined with excellent cleanness and high reliability, which is very desirable in mechanical systems for space applications.
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This article belongs to the Special Issue Actuators and Dampers for Vibration Control: Damping and Isolation Applications.
Keywords
Vibration Damping, Mechanical design, Magnetic spring, Eddy current damper
Bibliographic citation
Diez-Jimenez, E., Alén-Cordero, C., Alcover-Sánchez, R. & Corral-Abad, E. (2021). Modelling and Test of an Integrated Magnetic Spring-Eddy Current Damper for Space Applications. Actuators, 10(1), 8.