基于二次分数低阶协方差的超声波风速风量方法

刘小松, 任玮, 单泽彪, 刘云清

太阳能学报 ›› 2025, Vol. 46 ›› Issue (9) : 34-41.

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太阳能学报 ›› 2025, Vol. 46 ›› Issue (9) : 34-41. DOI: 10.19912/j.0254-0096.tynxb.2024-0736

基于二次分数低阶协方差的超声波风速风量方法

  • 刘小松1, 任玮1, 单泽彪1,2, 刘云清1
作者信息 +

ULTRASONIC WIND SPEED AND DIRECTION MEASUREMENT BASED ON QUADRATIC FRACTIONAL LOW ORDER COVARIANCE

  • Liu Xiaosong1, Ren Wei1, Shan Zebiao1,2, Liu Yunqing1
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文章历史 +

摘要

为解决强脉冲噪声背景下超声波测风系统性能衰退、受环境噪声影响稳定性较差等问题,提出一种基于二次分数低阶协方差的三阵元超声波风矢量测量方法。三阵元超声波阵列结构由3个收发一体式的超声波换能器构成,依托该系统结构并结合二次分数低阶协方差算法求得超声波传播时间,进而得到风矢量估测值。通过搭建的实际测风系统以及对比仿真实验证实了该文方法的有效性。在实际测量中风速风向角的最大测量误差分别为2.2%和2.4°,测量精度满足超声波风速风向测量的基本要求。

Abstract

In order to solve the problems of performance degradation and poor stability of the ultrasonic wind measurement system in the presence of strong impulse noise, a three-element ultrasonic wind vector measurement method using the quadratic fractional low-order covariance algorithm is proposed. The three-element ultrasonic array structure consists of three transceiver-integrated ultrasonic transducers. Based on the system structure and combined with the quadratic fractional low-order covariance algorithm, the propagation time of the ultrasonic wave is obtained, then the wind vector estimation value is obtained. The practicability of the proposed method is verified by the actual wind measurement system and comparative simulation. In the actual measurement, the maximum error of wind speed and wind direction angle is 2.2% and 2.4° respectively, and the measurement accuracy basically meets the requirements of ultrasonic wind direction measurement.

关键词

风速风向测量 / 超声波测量 / 时延测量 / 二次分数低阶协方差 / 脉冲噪声

Key words

wind speed and direction measurement / ultrasonic measurement / time delay measurement / quadratic fractional low-order covariance / impulse noise

引用本文

导出引用
刘小松, 任玮, 单泽彪, 刘云清. 基于二次分数低阶协方差的超声波风速风量方法[J]. 太阳能学报. 2025, 46(9): 34-41 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0736
Liu Xiaosong, Ren Wei, Shan Zebiao, Liu Yunqing. ULTRASONIC WIND SPEED AND DIRECTION MEASUREMENT BASED ON QUADRATIC FRACTIONAL LOW ORDER COVARIANCE[J]. Acta Energiae Solaris Sinica. 2025, 46(9): 34-41 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0736
中图分类号: TH765   

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基金

吉林省自然科学基金(YDZJ202301ZYTS412); 吉林省教育厅科学技术项目(JJKH20240938KJ); 吉林省教育厅产业化培育项目(JJKH20240940CY)

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