With the increasing awareness of low-carbon environmental protection,consumers prefer to purchase low-carbon products.In this paper,a two-echelon low-carbon supply chain consisting of one manufacturer and one retailer...With the increasing awareness of low-carbon environmental protection,consumers prefer to purchase low-carbon products.In this paper,a two-echelon low-carbon supply chain consisting of one manufacturer and one retailer in classic single-period model with emission-sensitive stochastic demand is investigated.Firstly,optimal results for the decentralized and centralized decisions in the basic model are presented respectively.It manifests the effect of double marginalization which shows not only a lower order quantity but also higher unit carbon emission.Then,we are going to discuss the introduction of a buyback and cost-sharing contract,and two main carbon emission regulations in the decentralized model.Finally,compared with the basic model,numerical examples are studied on the optimal solutions to the total profit for the supply chain,order quantity,and unit/total carbon emission as the demand sensitivity to carbon emission/green investment coefficient/demand variance varies respectively before reaching several significant conclusions.展开更多
针对碳流视角下综合能源系统(integrated energy system,IES)低碳化调度潜能挖掘不充分和用能侧碳排放责任承担不足的问题,提出了计及自适应阶梯碳势-碳价与供需双响应基于主从博弈的IES低碳经济调度策略。首先,设计自适应阶梯碳势-碳...针对碳流视角下综合能源系统(integrated energy system,IES)低碳化调度潜能挖掘不充分和用能侧碳排放责任承担不足的问题,提出了计及自适应阶梯碳势-碳价与供需双响应基于主从博弈的IES低碳经济调度策略。首先,设计自适应阶梯碳势-碳价模型,并构建基于能量枢纽矩阵标准化模型的IES碳流模型,获取用户侧各能源负荷节点碳势,进而完成碳势分级下碳价区间的划分;其次,兼顾源荷两侧的灵活调整及响应机制,建立用户侧参与的IES主从博弈低碳经济调度模型,上层IES运营商通过制定动态变化的负荷节点碳势-碳价,引导下层用户聚合商低碳化用能;最后,提出改进霜冰优化算法(improved rime optimization algorithm,IRIME),利用其独特阶梯式逐步搜索策略与主从博弈迭代过程相贴合的特性,并改进权重系数设计与选择策略,实现主从博弈模型的高精度、快速求解。仿真结果表明:所提自适应阶梯碳势-碳价模型提升了用户侧的碳势感知能力,与阶梯型碳排放固定碳价模型相比可进一步降低4.76%的碳排放量,结合供需双响应机制可提高1.13%的IES运营商收益和降低0.81%的用户聚合商成本;IRIME提升了模型求解的快速性,同时改善了主体间博弈结果的均衡性;所提调度策略实现了碳排放责任的流动转移与两主体间的协同低碳经济运行。展开更多
基金supported by the National Social Science Foundation of China[grant number 17BGL083].
文摘With the increasing awareness of low-carbon environmental protection,consumers prefer to purchase low-carbon products.In this paper,a two-echelon low-carbon supply chain consisting of one manufacturer and one retailer in classic single-period model with emission-sensitive stochastic demand is investigated.Firstly,optimal results for the decentralized and centralized decisions in the basic model are presented respectively.It manifests the effect of double marginalization which shows not only a lower order quantity but also higher unit carbon emission.Then,we are going to discuss the introduction of a buyback and cost-sharing contract,and two main carbon emission regulations in the decentralized model.Finally,compared with the basic model,numerical examples are studied on the optimal solutions to the total profit for the supply chain,order quantity,and unit/total carbon emission as the demand sensitivity to carbon emission/green investment coefficient/demand variance varies respectively before reaching several significant conclusions.
