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Insulating materials are frequently used in spacecraft's structure and especially as thermal blanket which are protecting the electronic devices. Their behavior in relation to an electron beam irradiation due to space environment must be clearly elucidate. For example, when the electron beam is irradiated to the material, it charged up and a large electric potential difference generate between the...
This paper presents a novel axial vibration suppression method in two-axis actively positioned permanent magnet bearingless motors. Only radial x and y directions are actively positioned. The axial z and tilting θx and θy directions are passively stabilized by magnetic attraction force between the stator core and rotor permanent magnets. Therefore, damping force is not generated in the axial and tilting...
This paper presents low speed test in two-axis actively positioned bearingless machines with non-collocated structure for wind power applications. Bearingless machines have been required in wind power applications to eliminate bearing failures. In the two-axis actively positioned bearingless machine, radial directions are actively positioned. Normally, tilting and axial motions are passively stabilized...
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