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Samenvatting
In hydraulic control valves, fast-switching electromagnetic actuators are commonly applied. A low-power, passive holding force is obtained by including a biasing permanent magnet. Meanwhile, valve lifetime improvements require impact velocities close to soft-landing. As an alternative to position control, this paper proposes to integrate passive eddy current damping into the valve actuator. Alternative solutions to generate sufficient eddy currents are explored, including inserting conductive materials at locations of high magnetic field gradient, and short-circuiting the actuation coil. Impact velocities are reduced by 24.7% to 1.62m/s, while respecting the limited transition time.
Originele taal-2 | Engels |
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Titel | 2019 12th International Symposium on Linear Drives for Industry Applications, LDIA 2019 |
Plaats van productie | Piscataway |
Uitgeverij | Institute of Electrical and Electronics Engineers |
Aantal pagina's | 6 |
ISBN van elektronische versie | 978-1-5386-5804-8 |
DOI's | |
Status | Gepubliceerd - 25 jul 2019 |
Evenement | The 12th International Symposium on Linear Drives for Industry Applications: LDIA 2019 - Neuchâtel, Zwitserland Duur: 1 jul 2019 → 3 jul 2019 |
Congres
Congres | The 12th International Symposium on Linear Drives for Industry Applications |
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Land | Zwitserland |
Stad | Neuchâtel |
Periode | 1/07/19 → 3/07/19 |
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Design of a permanent magnet-biased reluctance valve actuator with integrated eddy current damping
Jeroen R.M. van Dam (Spreker)
2 jul 2019Activiteit: Types gesprekken of presentaties › Aangemelde presentatie › Wetenschappelijk