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HIGH PERFORMANCE ISOLATION AND EXCITATION OF VIBRATION FOR ENHANCED IDENTIFICATION OF INERTIAL SENSORS

机译:高性能隔离和激励振动,以增强对惯性传感器的识别

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Microsystems Technology based inertial sensors offer important advantages in low-invasive measurement of spatial motion with sub-micron accuracy. However, their successful implementation hinges upon achieving very low distortion and noise at the low end of the frequency spectrum. Therefore the investigations that lead to the enhancement of inertial sensors require environments free of the ambient vibrations to the maximum possible extent. This research focuses on developing a hybrid vibration isolation system. It comprises a custom built pre-isolation stage supporting a small size, high performance commercial vibration isolation platform. Our objective is to reduce the ambient vibrations present in typical research laboratories, usually strongly affected by the "cultural noise", down to a level of the super quiet sites, i.e., close to the level defined by New Low Noise Model (NLNM). Performance of the developed system is illustrated with experimental results.
机译:基于微系统技术的惯性传感器在低侵入性的亚微米精度空间运动测量中提供了重要的优势。但是,它们的成功实现取决于在频谱的低端实现非常低的失真和噪声。因此,导致惯性传感器增强的研究要求最大程度地避免环境振动的环境。这项研究的重点是开发混合振动隔离系统。它包括一个定制的预隔离台,可支持小尺寸,高性能的商用振动隔离平台。我们的目标是将通常受“文化噪声”强烈影响的典型研究实验室中存在的环境振动降低到超安静场所的水平,即接近新低噪声模型(NLNM)定义的水平。实验结果说明了所开发系统的性能。

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