基于NSGA-Ⅱ算法的VM循环热泵多目标优化分析
发布时间:2018-06-25 11:40
本文选题:VM循环热泵 + 系统性能 ; 参考:《太阳能学报》2017年07期
【摘要】:以系统性能COP和效率ηe作为综合优化目标函数,选取热源温度、循环平均压力、冷热腔容积比和转速作为决策变量。在决策变量的约束条件内,采用Matlab软件和NSGA-Ⅱ算法,得到Pareto最优前端,利用TOPSIS优选方法优选COP和效率ηe综合指标最佳的工况。对于以上4个决策变量,热源温度对目标函数的影响最大,冷热腔容积比与转速影响相对较小,循环平均压力的影响最小。因此在实际运行中,应首先保证热源温度恒定。
[Abstract]:The system performance cop and efficiency 畏 _ e are taken as the comprehensive optimization objective function, and the heat source temperature, cycle average pressure, volumetric ratio of cold and hot cavity and rotational speed are selected as decision variables. In the constraint condition of decision variables, the optimal front-end of Pareto is obtained by using Matlab software and NSGA- 鈪,
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