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A SIMPLIFIED MULTI‐OBJECTIVE GENETIC ALGORITHM OPTIMIZATION MODEL FOR CANAL SCHEDULING

Identifieur interne : 005740 ( Main/Exploration ); précédent : 005739; suivant : 005741

A SIMPLIFIED MULTI‐OBJECTIVE GENETIC ALGORITHM OPTIMIZATION MODEL FOR CANAL SCHEDULING

Auteurs : S. Z. Peng [République populaire de Chine] ; Y. Wang [République populaire de Chine] ; S. Khan [France] ; T. Rana [Australie] ; Y. F. Luo [République populaire de Chine]

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RBID : ISTEX:847CD1EBC0117CC4E4DDA455BBBABF7D688B381A

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Abstract

A simplified Multi‐Objective Genetic Algorithm Optimization Model (MOM‐GA) for canal scheduling under unequal flow rates of distributary canals is presented in this paper. This MOM‐GA was designed for dynamic rotational scheduling with two objectives: to reduce fluctuations of flow rates of superior canals, and to reduce seepage losses of canal systems. This model was programmed in MATLAB using its genetic algorithm functions. Application of this model was demonstrated with a case study of the Nanguan Main Canal system (NMC) in the Gaoyou Irrigation Area, China. The results demonstrated that the MOM‐GA is an effective model for optimizing canal scheduling. NMC keeps running under a relatively steady range, and the seepage losses are reduced by around half that under current and binary optimized scheduling. The MOM‐GA is also sufficiently flexible to be applied to different levels in canal systems as a simplified approach for canal scheduling design and operation. The optimization results given by MOM‐GA can assist irrigators to make better canal scheduling decisions in each irrigation event. Copyright © 2011 John Wiley & Sons, Ltd.

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DOI: 10.1002/ird.654


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Le document en format XML

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<term>Binary</term>
<term>Binary optimized scheduling</term>
<term>Branch canal distributary</term>
<term>Branch canal scheduling</term>
<term>Branch canals</term>
<term>Canal</term>
<term>Canal numbers</term>
<term>Canal scheduling</term>
<term>Canal scheduling design</term>
<term>Canal scheduling optimization</term>
<term>Canal system</term>
<term>Canal systems</term>
<term>Case study</term>
<term>Central board</term>
<term>Constraint</term>
<term>Continuous canal scheduling</term>
<term>Copyright</term>
<term>Crop models</term>
<term>Crop water requirements</term>
<term>Crossover</term>
<term>Current scheduling</term>
<term>Decision variables</term>
<term>Different levels</term>
<term>Discharge constraints</term>
<term>Distributary</term>
<term>Distributary canal</term>
<term>Distributary canals</term>
<term>Drainage engineering</term>
<term>Effective model</term>
<term>Flow rate</term>
<term>Gaoyou irrigation area</term>
<term>Gaussian mutation</term>
<term>Genetic algorithm</term>
<term>Genetic algorithms</term>
<term>Global optimization toolbox3</term>
<term>Gross discharge</term>
<term>Hohai university</term>
<term>Hydraulic engineering</term>
<term>Initial generation</term>
<term>Initial population</term>
<term>Irrig</term>
<term>Irrigation</term>
<term>Irrigation areas</term>
<term>Irrigation continuity constraints</term>
<term>Irrigation duration</term>
<term>Irrigation event</term>
<term>Irrigation period</term>
<term>Irrigation scheduling</term>
<term>Irrigation season</term>
<term>Irrigation systems</term>
<term>Irrigation time</term>
<term>Irrigation water</term>
<term>John wiley sons</term>
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<term>Optimized results</term>
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<term>Pareto fronts</term>
<term>Penalty function</term>
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<term>Programmation canal</term>
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<term>Rotation period</term>
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<term>Rotational irrigation</term>
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<term>Scheduling</term>
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<term>Seepage loss</term>
<term>Seepage losses</term>
<term>Single objective models</term>
<term>Steady range</term>
<term>Stream tube model</term>
<term>Stream tubes</term>
<term>Superior canal</term>
<term>Supply water</term>
<term>Time block model</term>
<term>Tness</term>
<term>Tness function</term>
<term>Tness functions</term>
<term>Total irrigation time</term>
<term>Uctuations</term>
<term>Unequal</term>
<term>Unequal discharges</term>
<term>Water availability</term>
<term>Water availability constraints</term>
<term>Water availability simulation models</term>
<term>Water delivery</term>
<term>Water resources</term>
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<term>Agricultural water management</term>
<term>Algorithm</term>
<term>Binary</term>
<term>Binary optimized scheduling</term>
<term>Branch canal distributary</term>
<term>Branch canal scheduling</term>
<term>Branch canals</term>
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<term>Canal numbers</term>
<term>Canal scheduling</term>
<term>Canal scheduling design</term>
<term>Canal scheduling optimization</term>
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<term>Canal systems</term>
<term>Case study</term>
<term>Central board</term>
<term>Constraint</term>
<term>Continuous canal scheduling</term>
<term>Copyright</term>
<term>Crop models</term>
<term>Crop water requirements</term>
<term>Crossover</term>
<term>Current scheduling</term>
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<term>Flow rate</term>
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<term>Gaussian mutation</term>
<term>Genetic algorithm</term>
<term>Genetic algorithms</term>
<term>Global optimization toolbox3</term>
<term>Gross discharge</term>
<term>Hohai university</term>
<term>Hydraulic engineering</term>
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<term>Initial population</term>
<term>Irrig</term>
<term>Irrigation</term>
<term>Irrigation areas</term>
<term>Irrigation continuity constraints</term>
<term>Irrigation duration</term>
<term>Irrigation event</term>
<term>Irrigation period</term>
<term>Irrigation scheduling</term>
<term>Irrigation season</term>
<term>Irrigation systems</term>
<term>Irrigation time</term>
<term>Irrigation water</term>
<term>John wiley sons</term>
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<term>Logical structure</term>
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<term>Main canals</term>
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<term>Objective functions</term>
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<term>Optimization model</term>
<term>Optimization process</term>
<term>Optimized</term>
<term>Optimized results</term>
<term>Pareto</term>
<term>Pareto front</term>
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<term>Supply water</term>
<term>Time block model</term>
<term>Tness</term>
<term>Tness function</term>
<term>Tness functions</term>
<term>Total irrigation time</term>
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<term>Unequal</term>
<term>Unequal discharges</term>
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<term>Water availability constraints</term>
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<term>étude de cas</term>
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<div type="abstract">A simplified Multi‐Objective Genetic Algorithm Optimization Model (MOM‐GA) for canal scheduling under unequal flow rates of distributary canals is presented in this paper. This MOM‐GA was designed for dynamic rotational scheduling with two objectives: to reduce fluctuations of flow rates of superior canals, and to reduce seepage losses of canal systems. This model was programmed in MATLAB using its genetic algorithm functions. Application of this model was demonstrated with a case study of the Nanguan Main Canal system (NMC) in the Gaoyou Irrigation Area, China. The results demonstrated that the MOM‐GA is an effective model for optimizing canal scheduling. NMC keeps running under a relatively steady range, and the seepage losses are reduced by around half that under current and binary optimized scheduling. The MOM‐GA is also sufficiently flexible to be applied to different levels in canal systems as a simplified approach for canal scheduling design and operation. The optimization results given by MOM‐GA can assist irrigators to make better canal scheduling decisions in each irrigation event. Copyright © 2011 John Wiley & Sons, Ltd.</div>
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