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OrderReallocation-HeavyTrucks-NSGA-2
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修改输入量错误，修改早停逻辑错误（绝对变化改为相对变化）

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Hgq 2025-12-09 17:42:06 +08:00
parent 0e5aaecf02
commit 532d8d8522
2 changed files with 6 additions and 6 deletions
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6
data_structures.py
View File

@ -13,7 +13,7 @@ class RiskEnterpriseData:
def __init__(self): def __init__(self):
self.I = 8 # 物料种类数（与订单一致） self.I = 8 # 物料种类数（与订单一致）
self.C0_i_min = [50, 100, 150, 80, 100, 150, 80, 100] # 单物料的单位时间最小产能 self.C0_i_min = [50, 100, 150, 80, 100, 150, 80, 100] # 单物料的单位时间最小产能
self.C0_total_max = 18000 # 总产能上限（单位时间） self.C0_total_max = 1800 # 总产能上限（单位时间）
self.distance = 30 # 与需求点的距离 self.distance = 30 # 与需求点的距离
class SupplierData: class SupplierData:
"""供应商数据类：存储各供应商的产能、价格、距离等信息""" """供应商数据类：存储各供应商的产能、价格、距离等信息"""
@ -78,7 +78,7 @@ class SupplierData:
[0, 0, 10, 0, 12, 0, 8, 16] [0, 0, 10, 0, 12, 0, 8, 16]
] ]
# 供应商与需求点的距离（supplier_count） # 供应商与需求点的距离（supplier_count）
self.distance = [50, 40, 60, 30, 60, 80, 50, 60] self.distance = [50, 40, 60, 30, 60, 80]
class Config: class Config:
"""算法参数配置类：存储NSGA-II的各类参数""" """算法参数配置类：存储NSGA-II的各类参数"""
def __init__(self): def __init__(self):
@ -99,7 +99,7 @@ class Config:
self.early_stop_threshold = 0.1 # 目标值变化阈值 self.early_stop_threshold = 0.1 # 目标值变化阈值
# 目标函数数量 # 目标函数数量
self.objective_num = 2 # 双目标（成本+延期） self.objective_num = 2 # 双目标（成本+延期）
self.duplicate_threshold = 0.01 # 重复解保留数量 self.duplicate_threshold = 0.01 # 重复解保留数量比例
self.print_top_n = 10 # 打印前N个最优解 self.print_top_n = 10 # 打印前N个最优解
class DataStructures: class DataStructures:

6
main.py
View File

@ -74,9 +74,9 @@ def main():
cost_change = abs(avg_cost - prev_avg_cost) cost_change = abs(avg_cost - prev_avg_cost)
tardiness_change = abs(avg_tardiness - prev_avg_tardiness) tardiness_change = abs(avg_tardiness - prev_avg_tardiness)
# 检查是否两个目标的变化都小于阈值 # 检查是否两个目标的变化率
if (cost_change < config.early_stop_threshold and if (cost_change < config.early_stop_threshold * prev_avg_cost and
tardiness_change < config.early_stop_threshold): tardiness_change < config.early_stop_threshold * prev_avg_tardiness):
no_improve_count += 1 no_improve_count += 1
else: else: