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首页> 外文期刊>Journal of Hydroinformatics >Coordinating multiple model predictive controllers for the management of large-scale water systems
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Coordinating multiple model predictive controllers for the management of large-scale water systems

机译：协调用于大型水系统管理的多种模型预测控制器

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摘要

The optimal management of multi-purpose water reservoir networks is a challenging control problem, because of the simultaneous presence of multiple objectives, the uncertainties associated with the inflow processes and the several interactions between the subsystems. For such systems, model predictive control (MPC) is an attractive control strategy that can be implemented in both centralized and decentralized configurations. The latter is easy to implement and is characterized by reduced computational requirements, but its performance is sub-optimum. However, individual decentralized controllers can be coordinated and driven towards the performance of a centralized configuration. Coordination can be achieved through the communication of information between the subsystems, and the modification of the local control problems to ensure cooperation between the controllers. In this work the applicability of coordination algorithms for the operation of water reservoir networks is evaluated. The performance of the algorithms is evaluated through numerical simulation experiments on a quadruple tank system and a two reservoir water network. The analysis also includes a numerical study of the trade-off between the algorithms' computational burden and the different levels of cooperation. The results show the potential of the proposed approach, which could provide a viable alternative to traditional control methods in real-world applications.
机译：多功能水库网络的优化管理是一个具有挑战性的控制问题，因为同时存在多个目标，与流入过程相关的不确定性以及子系统之间的若干相互作用。对于这样的系统，模型预测控制（MPC）是一种有吸引力的控制策略，可以在集中式和分散式配置中实施。后者易于实现，并且具有减少计算需求的特点，但是其性能却不是最佳的。但是，可以将各个分散的控制器进行协调并驱动以实现集中式配置。可以通过子系统之间的信息通信以及修改本地控制问题以确保控制器之间的协作来实现协调。在这项工作中，评估了协调算法在水库网络运行中的适用性。通过四缸水箱系统和两个水库水网的数值模拟实验，评估了算法的性能。分析还包括对算法的计算负担与不同协作级别之间的权衡取舍的数值研究。结果表明了该方法的潜力，该方法可以为实际应用中的传统控制方法提供可行的替代方法。

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