建设物流方案多目标均衡优化模型研究

为解决建设物流项目实施方案中的工期、成本、安全等多目标综合优化问题，提出了以决策网络计划法为基础，以多属性效用函数为理论建立的“工期-成本-安全”均衡优化模型。采用自适应遗传算法求解，并利用自适应调节参数提高模型的求解效率。通过某大型化工设备运输与安装方案的优化实例，对模型的合理性和算法的有效性进行了验证。结果表明，采用该模型求解建设物流项目实施方案的多目标优化问题，可以解决工序变量函数关系不明确、不同优化目标相互之间难以兼顾、决策点数目较多的难题。

Multiobjective tradeoff optimization model of implementation scheme in project logistics

To solve comprehensive multiobjective optimization of implementation scheme about time,cost and security in project logistics,a time-cost-security tradeoff optimization model,which was based on decision network planning technique and multi-attribute utility function theory,was proposed.Self-adaptive genetic algorithm was applied and self-adaptive control parameters were provided to improve the resolution efficiency.Finally,a case study of transportation and installation implementation scheme of large chemic...