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首页> 外文期刊>Magnetics, IEEE Transactions on >Extraordinary Levitation Height in a Weight Compensated Diamagnetic Levitation System With Permanent Magnets
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Extraordinary Levitation Height in a Weight Compensated Diamagnetic Levitation System With Permanent Magnets

机译:带有永磁体的重量补偿抗磁悬浮系统中的异常悬浮高度

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Current diamagnetic levitation setups with permanent magnets can realize a levitation height of about 3 mm at maximum. Certain sensor applications in the field of nano/micro-force sensing could benefit from a further increase in levitation height considering sensing range and vacuum encapsulation. This paper demonstrates the feasibility of a levitation height of 12 mm in a weight compensated diamagnetic levitation system with permanent magnets. The achieved levitation height outstands the levitation height of existing systems by the factor four to ten. Possible applications for the presented setup are highly sensitive sensor systems like accelerometers, seismometers, torque meters, force meters or tilt meters. Due to the high levitation gap the floating specimen can be encapsulated into vacuum independently from the surrounding magnets and measurement equipment. Air friction losses and damping can be eliminated in this way. Furthermore, sensing travel could be increased letting to higher measurement ranges.
机译:当前的具有永磁体的抗磁悬浮装置可以实现最大约3mm的悬浮高度。考虑到感应范围和真空封装,纳米/微力感测领域中的某些传感器应用可能会受益于悬浮高度的进一步增加。本文证明了在具有永磁体的重量补偿抗磁悬浮系统中,悬浮高度为12 mm的可行性。达到的悬浮高度比现有系统的悬浮高度高四到十倍。所提出设置的可能应用是高度灵敏的传感器系统,例如加速度计,地震仪,扭矩计,力计或倾斜计。由于高的悬浮间隙,浮动样品可以独立于周围的磁体和测量设备而封装在真空中。以此方式可以消除空气摩擦损失和阻尼。此外,可以增加感测行程,以进入更高的测量范围。

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