用于校准Hazen-Williams方程的状态观测器

L. Torres, Martín Jiménez, C. Verde, Laurent Reyes
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引用次数: 1

摘要

本文提出了一种基于状态观测器的方法来标定Hazen-Williams (HW)方程,该方程被广泛用于管道水头损失模型。为了执行校准过程,该方法需要记录流量随时间的变化,可以在管道的任何坐标上进行记录,并记录进口处的压力。具体而言,所提出的方法可以同时估计HW方程中涉及的粗糙度系数和管道出口的水头。这篇文章的结尾介绍了一些结果,这些结果涉及在物理模型实验期间收集的数据。结果表明,该方法是可行的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A state observer for the calibration of the Hazen-Williams equation
This article presents an approach based on a state observer to calibrate the Hazen-Williams (HW) equation, which is widely used to model the head loss in a pipeline. To perform the calibration process, the approach requires a record over time of the flow rate, which can be taken in any coordinate along the pipeline, and a record of the pressure taken at the inlet. Specifically, the proposed approach allows estimating both the roughness coefficient involved in the HW equation and the hydraulic head at the pipeline outlet. The closure of this contribution presents some results involving data that were collected during experiments in a physical model. Such results show the feasibility of implementing the proposed approach.
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