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用于表征毫米波雷达系统中亚毫米级运动的精密机械振荡器设计与校准

Precise Mechanical Oscillator Design and Calibration for Characterising Sub-Millimetre Movements in mmWave Radar Systems.

作者信息

Parralejo Felipe, Álvarez Fernando J, Paredes José A, Aranda Fernando J, Aguilera Teodoro

机构信息

Sensory Systems Research Group (GISS), Department of Electrical Engineering, Electronics and Automation, Universidad de Extremadura, 06006 Badajoz, Spain.

School of Arts, Humanities and Social Sciences, University of Roehampton, Roehampton Lane, London SW15 5PU, UK.

出版信息

Sensors (Basel). 2024 Nov 22;24(23):7469. doi: 10.3390/s24237469.

DOI:10.3390/s24237469
PMID:39686005
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11644160/
Abstract

For many industrial and medical applications, measuring sub-millimetre movements has become crucial, for instance, for the precise guidance of surgical robots. The literature shows the feasibility of millimetre-wave (mmWave) radars to deal with such micro-vibrations. However, the availability of reference devices to configure and test these systems is very limited. This work proposes the design of a mechanical oscillator to characterise sub-millimetre vibration detection and measurement using a mmWave radar. The final implementation is fully controllable in both amplitude and frequency. Additionally, it can be wirelessly controlled and synchronised with other systems. Its functioning was experimentally calibrated and tested using the sub-millimetre motion capture system OptiTrack. It was tested to generate low-frequency oscillations from 0.80 Hz to 3.50 Hz with reliable peak amplitudes of 0.05 mm and above, with less than 6% peak amplitude relative error. Finally, the device was used to characterise a 60 GHz mmWave radar with those values.

摘要

对于许多工业和医疗应用而言，测量亚毫米级的运动已变得至关重要，例如，对于手术机器人的精确引导。文献表明毫米波（mmWave）雷达有能力处理此类微振动。然而，用于配置和测试这些系统的参考设备非常有限。这项工作提出了一种机械振荡器的设计，用于使用毫米波雷达表征亚毫米级振动检测和测量。最终实现的振荡器在幅度和频率上均可完全控制。此外，它可以无线控制并与其他系统同步。其功能通过亚毫米级运动捕捉系统OptiTrack进行了实验校准和测试。测试表明它能够产生0.80赫兹至3.50赫兹的低频振荡，可靠的峰值幅度为0.05毫米及以上，峰值幅度相对误差小于6%。最后，该设备用于表征具有这些值的60吉赫兹毫米波雷达。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/0a24c227e5b9/sensors-24-07469-g014.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/9a731f8aa340/sensors-24-07469-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/e5eb02dcbc08/sensors-24-07469-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/24da92a511c1/sensors-24-07469-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/b4fd0ead200f/sensors-24-07469-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/b73e45922255/sensors-24-07469-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/55d233ed29cd/sensors-24-07469-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/0a24c227e5b9/sensors-24-07469-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/686bf11797c0/sensors-24-07469-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/a7f4d1f8bda7/sensors-24-07469-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/a16763a4efd8/sensors-24-07469-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/2320df829ccc/sensors-24-07469-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/02e1a66f850b/sensors-24-07469-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/9ce1329bc56e/sensors-24-07469-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/9a731f8aa340/sensors-24-07469-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/e5eb02dcbc08/sensors-24-07469-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/24da92a511c1/sensors-24-07469-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/b4fd0ead200f/sensors-24-07469-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/b73e45922255/sensors-24-07469-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/55d233ed29cd/sensors-24-07469-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f30/11644160/0a24c227e5b9/sensors-24-07469-g014.jpg

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