129 lines
6.3 KiB
Python
129 lines
6.3 KiB
Python
import agentpy as ap
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import numpy as np
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from collections import deque
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class InventorySystem(ap.Agent):
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xv_ary_initial_material_num: np.ndarray
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xv_ary_initial_product_num: np.ndarray
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ev_ary_current_material: np.ndarray #期末库存
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ev_ary_current_product: np.ndarray #期末库存
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ev_lst_trans_quan_material: np.ndarray # Iss传递给Pss的原材料数量
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ev_lst_backtrans_quan_material: np.ndarray # Pss退回的原材料数量
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ev_ary_material_state_to_use: np.ndarray # 当期预期使用的原材料
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ev_ary_material_to_use: np.ndarray # 当期实际消耗的原材料
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xv_array_dlv_product: np.ndarray # 产品交付
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ev_ary_is_order_material: np.ndarray # 是否订购产品
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ev_ary_num_material_to_order: np.ndarray # 订购数量
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ev_ary_num_material_order_done: np.ndarray # 当期送到的数量
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# set the lead time of material replenishment
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xv_ary_lead_time: np.ndarray
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# the list of materials in transit
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ev_lst_trans_material: list # Iss交给Pss的原材料
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ev_list_back_trans_material: list # Pss返回的原材料
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ev_lst_material_inventory: list
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ev_lst_product_inventory: list
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# Material list
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xv_lst_material: np.ndarray
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xv_ary_bom: np.ndarray
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# 原材料订购的开始时间和到达时间
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ev_int_order_time: np.ndarray
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ev_int_arrive_time: np.ndarray
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ev_ary_num_material_order_done: np.ndarray # 当期原材料到货量
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def setup(self, xv_ary_initial_material_num,
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xv_ary_initial_product_num, xv_ary_lead_time):
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# Set up the initial inventory quantity
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self.xv_ary_initial_material_num = xv_ary_initial_material_num
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self.xv_ary_initial_product_num = xv_ary_initial_product_num
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self.ev_ary_current_material = xv_ary_initial_material_num # 115*2
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self.ev_ary_current_product = xv_ary_initial_product_num #23*2
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self.ev_ary_num_material_order_done = np.zeros((115, ))
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# set the lead time of materials
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# 读取各个原材料的历史平均交货周期 bom table
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self.xv_ary_lead_time = pd.read_excel("bom23.xlsx").iloc[:, 4].to_numpy()
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# 切换成原材料
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self.ev_ary_is_order_material = np.array([False for i in range(115)])
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self.ev_ary_num_material_to_order = np.zeros((115,)) # 初始化
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self.ev_ary_material_state_to_use = np.zeros((115,))
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self.ev_lst_material_inventory = []
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self.ev_lst_product_inventory = []
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self.xv_lst_material = pd.read_excel("rawmaterial.xlsx").to_numpy()
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self.xv_ary_bom = pd.read_excel("bom23.xlsx").to_numpy()
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self.ev_lst_trans_quan_material = [] # Iss传递给Pss的原材料数量
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self.ev_lst_backtrans_quan_material = [] # Pss退回的原材料数量
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self.ev_int_order_time = np.zeros((115,))
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self.ev_int_arrive_time = np.zeros((115,))
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def material_state_to_use(self, xv_ary_dlv_product, ev_int_produce_type):
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# 读取Oss决定的生产状态，根据生产状态所需的原材料进行汇总
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# self. ev_ary_material_state_to_use = np.multiply(self.xv_array_dlv_product, 原材料表 )
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produce_state = 1 # 获取生产状态
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produce_plan = xv_plan_excel[xv_plan_excel[:, 0] == produce_state]
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for plan in produce_plan:
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for bom in self.xv_ary_bom:
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if plan[1] == bom[0]:
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self.ev_ary_material_state_to_use[np.where(self.xv_lst_material == bom[1])] += plan[3] * bom[
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2] # 某原材料的生产数量加等产品生产量乘单位原材料消耗量
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def material_check(self, ev_ary_material_state_to_use):
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# 根据Iss决策，核对库存是否充足，并将拥有的原材料交给Pss
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# 可能需要一部生成原材料列表在调用
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# Check whether materials are enough and transfer material
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index_mapping = {value: idx for idx, value in enumerate(self.ev_ary_current_material[:, 0])}
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sorted_indices = [index_mapping[value] for value in self.xv_lst_material]
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self.ev_ary_current_material = self.ev_ary_current_material[sorted_indices] # 按照原材料制定顺序进行重排
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for i in range(115):
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if self.ev_ary_current_material[i, 1] >= ev_ary_material_state_to_use[i]:
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self.ev_lst_trans_quan_material[i] = ev_ary_material_state_to_use[i]
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# return (self.ev_ary_current_material >= ev_ary_material_to_use).all()
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else:
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self.ev_lst_trans_quan_material[i] = self.ev_ary_current_material[i]
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def consume_and_store(self, ev_ary_material_to_use, ev_ary_produced_num,ev_changed_product,
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ev_lst_backtrans_material):
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self.ev_lst_backtrans_quan_material = ev_lst_backtrans_material
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# Update the inventory after production
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for i in range(115):
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self.ev_ary_material_to_use[i] = self.ev_lst_trans_quan_material[i] - \
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self.ev_lst_backtrans_quan_material[i]
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if self.ev_int_arrive_time == self.model.t: # 判断材料是否到达
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self.ev_ary_num_material_order_done[i] += self.ev_ary_num_material_to_order[i]
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self.ev_ary_num_material_to_order[i] = 0
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self.ev_ary_is_order_material[i] = False
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self.ev_ary_current_material = self.ev_ary_current_material - ev_ary_material_to_use \
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+ self.ev_ary_num_material_order_done
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self.ev_ary_current_product = ev_changed_product + ev_ary_produced_num
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return self.ev_ary_current_material, self.ev_ary_current_product
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def material_replenishment(self):
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# Check the inventory of material to decide whether to replenish
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# 核对原材料数量是否低于s
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# 带时间戳
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for i in range(115):
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if self.ev_ary_current_material[i] <= s:
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self.ev_ary_is_order_material[i] = True
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self.ev_ary_num_material_to_order[i] = S - self.ev_ary_current_material[i]
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self.ev_int_order_time[i] = self.model.t
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self.ev_int_arrive_time[i] = self.ev_int_order_time[i] + \
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self.xv_ary_bom[self.xv_ary_bom[:, 1] == self.xv_lst_material[i]][0, 4]
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else:
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self.ev_ary_num_material_to_order[i] = 0
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