环境-经济系统的多目标优化

Multi-Target Optimization of Environment-Economic System

目标规划作为一种多目标优化技术,已得到日益广泛的应用,本文试以上海桃浦化学工业区为例,设计了分别削减污染物排放量的5％、10％和完全达际排放三种方案,建立该工业区环境—经济系统的目标规划模型,并借助电子计算机进行系统的多目标优化模拟。优化结果提供了行业结构合理调整的具体途径,较好地协调了系统的环境、经济两大主要因素,改善了现今工业区环境—经济系统的无序化,使系统具有整体功能和综合作用,优化方案不仅使污染物排放量得到有效控制和较大削减,且工业产值又有一定幅度的增长,环境、经济效益明显。

Target programming as a kind of multi-target optimization technique has been found to be increasingly utilized. Taking Shanghai Taopu Chemical Industry Dis-trict as a case study, the authors present three alternative s hem.es for reducing discharge of pollutants: (1) reduction by 5%; (2) reduction by 10%; (3) discharge in conformity with norm. Then, they set up a model of tar-get programming for the environment-economic system of this industrial district and performed multi-target optimization simulation for the system by means of a computer. The results of optimization provide concrete approaches to rational adjustment of trade structure, which will better coordinate the two principal factors of the system, i. e. environmenr and economy so as to redress the existing random state of environment-economic system of the district. The system has its integral and comprehensive functions. The optimization schemes not only realize effective control and considerable reduction of pol-lution discharge, but also raise the industrial output and environment-economic benefit.