没有说话的团队合作:分布式系统估计在通信中断期间保持大约集中控制智能城市排水系统
Travis Adrian Dantzer1, Branko Kerkez1
1University of Michigan Civil and Environmental Engineering, 2350 Hayward St, Ann Arbor, 48104, Michigan, USA.
Water research X
|December 17, 2024
概括
智慧城市排水系统 (UDS) 可以在通信中断期间运行. 微控制器在本地估计系统状态,即使不经常更新数据,也能够持续控制洪水,确保系统的弹性.
科学领域:
- 环境工程 环境工程
- 控制系统工程 控制系统工程
- 水资源管理 水资源管理
背景情况:
- 城市排水系统 (UDS) 的实时控制为减少洪水风险和改善水质提供了好处.
- 智能UDS中的互联网连接组件在通信中断时可能会发生故障,在严重风暴期间构成风险.
- 同时的洪水和通信故障需要强大的智能UDS控制策略.
研究的目的:
- 开发和评估一种方法来维持UDS的集中预测控制,尽管有间歇性通信.
- 为了使单个微控制器能够在本地近似系统动态和状态以实现自主操作.
- 评估系统对通信中断的弹性,特别是在模仿恶劣天气事件的条件下.
主要方法:
- 实施一个去中心化的方法,每个微控制器都托管了整个UDS动态和状态的近似值.
- 允许微控制器在通信丢失时基于不完美的本地衍生系统知识运行.
- 在各种通信中断场景下模拟和分析控制性能和状态估计准确性.
主要成果:
- 拟议的方法证明了稳定性,即使通信更新频率不高,平均每7天更新一次,仍然保持集中控制.
- 发现每个微控制器的状态估计的准确性 (例如,存储盆地的深度) 受到其网络位置的影响.
- 该研究验证了分布式控制系统中的代理人可以使用本地测量和基于模型的推理推断整体系统条件的原则.
结论:
- 一种新的方法允许智能UDS在长时间的通信中断期间保持近似的集中控制.
- 在微控制器上,局部状态的近似性确保了系统的持续运行和应对通信故障的弹性.
- 结果支持在复杂的网络系统中使用分布式代理进行基于模型的推理.
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