GLSP Instances
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资源简介:
There are 23 instances for OPL based models:
- 5 instances with 3 products, 3 periods and low production capacity (cp=0.9)
- 5 instances with 3 products, 3 periods and high production capacity (cp=0.75)
- 5 instances with 3 products, 3 periods and low production capacity (cp=0.9)
- 5 instances with 3 products, 3 periods and high production capacity (cp=0.75)
- 3 instances with 7 products, 8 periods and low production capacity (cp=0.9)
There are complementary instances for stochastic programming models:
- For the two-stage stochastic programming with 10, 50, 100, 200 and 500 scenarios
- For the multistage stochastic programming with 12, 20, 30, 39, 42, 110, 155, 240, 258, 399, 420 and 584 nodes
- Remarks: 1) the number of nodes depends on the size of instances.
2) there are instances with small number of nodes that were not considered in the computational experiment.
Characteristics of instances:
--- General ---
P -> Number of Products
T -> Number of Periods
// " "-> Coeficient of variation (for simulation purposes)
M -> Number of Microperiods
P_Cap -> Production capacity
P_BigM -> "BigM"
P_Productiontime -> Production time
P_MinimumLot -> Minimum lotsize
P_HoldingCost -> Holding cost
P_ShortageCost -> Shortage cost
P_InitialInventory -> Initial inventory
P_InitialBacklog -> Initial backlog
P_SetupCost -> Setup costs
P_SetupTime -> Setup time
P_MaximummLot -> Maximum lotsize
Microperiods2 -> Parameter relating microperiods to periods
--- Two-stage stochastic programming parameters ---
K -> Number of scenarios
P_Probability -> Probability of scenario realization
P_SetupTimeS -> Setup time per scenario (NOT USED)
P_ProductiontimeS -> Production time per scenario (NOT USED)
P_DemandS -> Demand realization for a given scenario
--- Multistage stochastic programming parameters ---
N -> Number of nodes
P_Probability -> Probability of node realization
Period -> Parameter relating a node to a period
PreNode -> Parameter relating a node to its predecessor
P_DemandS -> Demand realization for a given node
本数据集包含基于 OPL 模型的 23 个实例:
- 5 个实例,包含 3 种产品、3 个阶段和低生产率(生产率系数 cp=0.9)
- 5 个实例,包含 3 种产品、3 个阶段和高生产率(生产率系数 cp=0.75)
- 5 个实例,包含 3 种产品、3 个阶段和低生产率(生产率系数 cp=0.9)
- 5 个实例,包含 3 种产品、3 个阶段和高生产率(生产率系数 cp=0.75)
- 3 个实例,包含 7 种产品、8 个阶段和低生产率(生产率系数 cp=0.9)
此外,存在适用于随机规划模型的补充实例:
- 对于具有 10、50、100、200 和 500 个情景的两阶段随机规划
- 对于具有 12、20、30、39、42、110、155、240、258、399、420 和 584 个节点的多阶段随机规划
- 备注:1) 节点数量取决于实例的大小。
2) 在计算实验中未考虑节点数量较少的实例。
实例的特征:
--- 一般特性 ---
P -> 产品数量
T -> 阶段数量
(" ")-> 变异系数(用于模拟目的)
M -> 微阶段数量
P_Cap -> 生产能力
P_BigM -> “大 M”
P_Productiontime -> 生产时间
P_MinimumLot -> 最小批量
P_HoldingCost -> 持有成本
P_ShortageCost -> 短缺成本
P_InitialInventory -> 初始库存
P_InitialBacklog -> 初始积压
P_SetupCost -> 设置成本
P_SetupTime -> 设置时间
P_MaximummLot -> 最大批量
Microperiods2 -> 微阶段与阶段相关的参数
--- 两阶段随机规划参数 ---
K -> 情景数量
P_Probability -> 情景实现的概率
P_SetupTimeS -> 每个情景的设置时间(未使用)
P_ProductiontimeS -> 每个情景的生产时间(未使用)
P_DemandS -> 某个情景的需求实现
--- 多阶段随机规划参数 ---
N -> 节点数量
P_Probability -> 节点实现的概率
Period -> 节点与阶段相关的参数
PreNode -> 节点与其前驱节点相关的参数
P_DemandS -> 某个节点的需求实现
提供机构:
Mendeley Data



