武大AiFlow视觉测流技术在天生桥一级水电站上游水情监测中的应用研究

Research and Application of Wuhan University AiFlow Visual Flowmeter Technology for Upstream Hydrological Monitoring at the Tianshengqiao First Level Hydropower Plant

摘要: 本文针对天生桥一级水电站上游的水情监测，基于视觉测流原理，设计并开发了一套低成本、高效的图像采集与处理系统，并与走航式ADCP进行了比测分析。结果表明，视觉测流虚流量与比测流量相关关系拟合曲线的可决系数R²达到了0.99，系统误差为−0.44%，随机不确定度为9.87%，符合一类精度站的流量测验允许误差标准，验证了视觉测流系统的准确性和稳定性，为天生桥一级水电站的水库调度提供重要数据支持。

Abstract: This paper focuses on hydrological monitoring upstream of the Tianshengqiao First Level Hydropower Plant. Based on the principle of visual flow measurement, a low-cost and efficient image acquisition and processing system was designed and developed. A comparative analysis was conducted with the mobile ADCP. The results show that the coefficient of determination (R²) of the fitting curve between the visual flow measurement and the comparative flow measurement reached 0.99. The system error was −0.44%, and the random uncertainty was 9.87%, which meets the allowable error standard for flow measurement of Class I accuracy stations. This validates the accuracy and stability of the visual flow measurement system, providing important data support for the reservoir dispatching of the Tianshengqiao First Level Hydropower Plant.