电力巡检应用中低噪声无人机旋翼降噪验证

doi:10.3969/j.issn.1008-0198.2024.05.007

湖南电力 ›› 2024, Vol. 44 ›› Issue (5): 45-49.doi: 10.3969/j.issn.1008-0198.2024.05.007

电力巡检应用中低噪声无人机旋翼降噪验证

李程威¹, 卢铃^2,3, 段新宇^2,3, 谢亿^2,3, 曹浩^2,3, 王兰博^2,3, 马威¹

1.上海交通大学航空航天学院,上海 200240;
2.国网湖南省电力有限公司电力科学研究院,湖南长沙 410208;
3.国网电力设施振动与声学技术实验室,湖南长沙 410208

收稿日期:2024-06-17 修回日期:2024-07-17 出版日期:2024-10-25 发布日期:2024-11-06
通信作者: 马威（1981）,男,副教授,研究方向为气动声学。
作者简介:李程威（1997）,男,博士研究生,研究方向为噪声源定位。卢铃（1988）,男,博士,研究方向为电力设施噪声与振动控制、监测与诊断技术。段新宇（1990）,男,硕士,研究方向高压设备试验、监测与诊断。谢亿（1982）,男,博士,研究方向为电力设备智能运检。曹浩（1982）,男,博士,研究方向为旋转机械故障诊断、振动控制。王兰博（1993）,男,博士,研究方向为电力设施噪声与振动控制、监测与诊断技术。
基金资助:
国家电网有限公司电力设施振动与声学技术实验室开放基金项目（SGHNDK00HHJS2310269）

Verification of Low Noise Unmanned Aerial Vehicle Rotor Noise Reduction in Power Inspection Applications

LI Chengwei¹, LU Ling^2,3, DUAN Xinyu^2,3, XIE Yi^2,3, CAO Hao^2,3, WANG Lanbo^2,3, MA Wei¹

1. School of Aeronautics and Astronautics, Shanghai Jiao Tong University, Shanghai 200240, China;
2. State Grid Hunan Electric Power Company Limited Research Institute, Changsha 410208, China;
3. State Grid Laboratory of Electric Equipment Vibration and Acoustic, Changsha 410208, China

Received:2024-06-17 Revised:2024-07-17 Online:2024-10-25 Published:2024-11-06

摘要/Abstract

摘要： 在电力巡检任务中,无人机因高效性和灵活性而被广泛应用,但噪声问题依然是亟待解决的挑战。采用波束成形技术对一种新型环形结构旋翼进行声源定位和降噪性能验证,通过噪声频谱分析和基于麦克风阵列的虚拟旋转阵列波束成形算法,对环形旋翼和其他三种常见叶型旋翼的噪声进行了对比研究。实验结果表明,环形旋翼在宽频和单频噪声上均表现出显著的降噪效果。波束成形分析结果进一步揭示,常见叶型旋翼的主要噪声源自叶尖,而环形设计能够有效减弱叶尖噪声,从而实现降噪。

关键词: 无人机旋翼噪声, 低噪声螺旋桨, 声源定位

Abstract: Unmanned aerial vehicles (UAVs） are widely used in power line inspection tasks due to their ef‍ficiency and flexibility. However, noise remains a critical challenge that needs to be addressed. This study employs beamforming technology to perform noise source localization and validate the noise reduction performance of a low-noise toroidal structure propeller. Through noise spectrum analysis and a virtual rotating array beamforming algorithm based on a microphone array, the noise of the toroidal propeller is compared with that of three other common propellers. Experimental results show that the toroidal propeller exhibits significant noise reduction in both broadband and tonal noise. Beamforming analysis further reveals that the primary noise source of common propellers originates from tips, while the toroidal design effectively mitigates tip noise, achieving noise reduction.

Key words: UAVs rotor noise, low-noise propeller, sound source localization

中图分类号:

TB535
TM755

李程威, 卢铃, 段新宇, 谢亿, 曹浩, 王兰博, 马威. 电力巡检应用中低噪声无人机旋翼降噪验证[J]. 湖南电力, 2024, 44(5): 45-49.

LI Chengwei, LU Ling, DUAN Xinyu, XIE Yi, CAO Hao, WANG Lanbo, MA Wei. Verification of Low Noise Unmanned Aerial Vehicle Rotor Noise Reduction in Power Inspection Applications[J]. Hunan Electric Power, 2024, 44(5): 45-49.

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电力巡检应用中低噪声无人机旋翼降噪验证

Verification of Low Noise Unmanned Aerial Vehicle Rotor Noise Reduction in Power Inspection Applications

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