On Modeling and Constrained Model Predictive Control of Open Irrigation Canals

On Modeling and Constrained Model Predictive Control of Open Irrigation Canals
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明渠灌溉建模与约束模型预测控制

DOI:
10.1155/2017/6257074
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发表时间:
2017
影响因子:
1.7
通讯作者:
Zhang Shaohui
Zhang Shaohui
中科院分区:
--
文献类型:
--
作者:
Cen Lihui;Wu Ziqiang;Chen Xiaofang;Zou Yanggui;Zhang Shaohui

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提出了一种具有约束条件的明渠灌溉系统的模型预测控制方法。圣维南方程在水力学中广泛用于模拟明渠。作为一个双曲型偏微分方程组,它们没有显式求解,难以设计最优控制算法。在这项工作中,预测模型的明渠开发离散圣维南方程在空间和时间。基于该预测模型,首先研究了单池渠道的约束模型预测控制,然后将其推广到多池梯级渠道的情况。利用水力学软件SICC对河北省冶河灌区的一条实际灌溉渠道进行了数值模拟,并对算法进行了验证。
This paper proposes a model predictive control of open irrigation canals with constraints. The Saint-Venant equations are widely used in hydraulics to model an open canal. As a set of hyperbolic partial differential equations, they are not solved explicitly and difficult to design optimal control algorithms. In this work, a prediction model of an open canal is developed by discretizing the Saint-Venant equations in both space and time. Based on the prediction model, a constrained model predictive control was firstly investigated for the case of one single-pool canal and then generalized to the case of a cascaded canal with multipools. The hydraulic software SICC was used to simulate the canal and test the algorithms with application to a real-world irrigation canal of Yehe irrigation area located in Hebei province.
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