Application of hybrid algorithms in an optimal allocation model of water and land resources

IF 2.2 3区 工程技术 Q3 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS
Cong Wei, Jilin Cheng, Yushan Jiang
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引用次数: 0

Abstract

Ensuring an optimal irrigation system and planting layout for crops in areas with water resource deficiencies is a complex process. A model of the optimal allocation of water and land resources for the irrigation system of the ‘reservoir and pumping station’ under crop rotation was established in this study. For the above complex nonlinear model, two-hybrid algorithms are proposed: (1) the decomposition aggregation dynamic programming (DADP) method and linear programming (LP) successive approximation algorithm [(DADP–LP)SA] and (2) the DADP algorithm based on the orthogonal design (OD) method (OD–DADP). The (DADP–LP)SA and OD–DADP algorithms were compared with the real-coded genetic algorithm (RGA) and particle swarm optimization (PSO) to analyze the performance of the four algorithms. The developed algorithms were applied to the Gao'a irrigation area in the north of Jiangsu Province, China. The solution results showed that the annual output value of water-deficient irrigation areas was improved, and limited water and land resources were optimally allocated, demonstrating the feasibility of the two-hybrid algorithm. Moreover, through a comparative analysis of the optimality and applicability of the four algorithms, it can be observed that (DADP–LP)SA and OD–DADP are more suitable for optimizing the allocation of scarce water and land resources than RGA and PSO.
混合算法在水土资源优化配置模型中的应用
确保水资源短缺地区的最佳灌溉系统和作物种植布局是一个复杂的过程。建立了轮作条件下“水库泵站”灌溉系统的水土资源优化配置模型。对于上述复杂非线性模型,提出了两种混合算法:(1)分解-聚合动态规划(DADP)方法和线性规划(LP)逐次逼近算法[(DADP–LP)SA];(2)基于正交设计(OD)方法的DADP算法(OD–DADP)。将(DADP–LP)SA和OD–DADP算法与实数编码遗传算法(RGA)和粒子群优化算法(PSO)进行了比较,分析了这四种算法的性能。将所开发的算法应用于苏北高阿灌区。求解结果表明,缺水灌溉区的年产值得到了提高,有限的水土资源得到了优化配置,证明了两种混合算法的可行性。此外,通过对四种算法的最优性和适用性的比较分析,可以看出(DADP–LP)SA和OD–DADP比RGA和PSO更适合于稀缺水和土地资源的优化配置。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Hydroinformatics
Journal of Hydroinformatics 工程技术-工程:土木
CiteScore
4.80
自引率
3.70%
发文量
59
审稿时长
3 months
期刊介绍: Journal of Hydroinformatics is a peer-reviewed journal devoted to the application of information technology in the widest sense to problems of the aquatic environment. It promotes Hydroinformatics as a cross-disciplinary field of study, combining technological, human-sociological and more general environmental interests, including an ethical perspective.
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