基于部分节点的液压信息,对配水系统的弹性评估
Xipeng Yu1, Yipeng Wu1, Xiao Zhou2
1School of Environment, Tsinghua University, Beijing 100084, China.
Water research
|June 4, 2023
概括
精确的水分系统弹性评估是可以用有限的数据. 这项研究确定了关键节点,显示只有很小一部分对可靠评估至关重要,有助于实践监测策略.
科学领域:
- 液压工程 液压工程 液压工程
- 水资源管理 水资源管理
- 网络分析 网络分析
背景情况:
- 传统的水分系统弹性评估需要从所有节点获得全面的液压数据,通常需要校准的液压模型.
- 在许多公用事业中,功能性液压模型的有限可用性阻碍了这种评估的实际实施.
- 关于利用监测节点子集数据进行弹性评估的可行性,存在重大研究差距.
研究的目的:
- 调查使用有限数量的监测节点数据进行准确的弹性评估的可能性.
- 为了确定节点的重要性是否在弹性评估的背景下有所变化.
- 确定必要的节点的最低比例,以实现准确的弹性评估.
主要方法:
- 计算了基尼指数来量化节点在弹性评估中的不同重要性.
- 分析了部分节点弹性评估结果的错误分布.
- 利用一个包含192个不同水分网络的数据库进行分析.
主要成果:
- 节点的重要性在弹性评估中显著不同,基尼指数为0.604 ± 0.106.
- 一小部分节点,特别是6.5%±2%,对于满足弹性评估中的准确性要求是不可或缺的.
- 节点的重要性主要取决于来自水源的传输效率以及对其他网络组件的影响.
结论:
- 使用部分液压数据精确评估水分系统的弹性是可行的.
- 监控节点的最佳选择取决于网络特征,如集中,中心性和效率.
- 调查结果为战略性选择以弹性为导向的评估的监测节点提供了基础.
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