def read(path): # 打开文件
with open(os.path.join(os.getcwd(), path), "r") as data:
# 第一行读取3个参数：全部作业数a，CNC机器数b，每个机器的同时进行操作容量c
total_jobs, total_machines, max_operations = re.findall(
'\S+', data.readline())
# 转为数字
number_total_jobs, number_total_machines, number_max_operations = int(total_jobs), int(total_machines), int(float(
max_operations))
# 生成机器数ID 和 最大操作数
machines_list = [] # 机器表
machines_install_uninstall_time_cost_list = [] # 机器上下料时间表
# 第二行读取b个参数，RGV在对应顺序(b个)CNC机器一次上下料所需之单位时间
machines_install_uninstall_time_cost_list = re.findall(
'\S+', data.readline())
# 第三行读取4个参数：RGV清洗作业时间，移动1个单位，2个单位，3个单位CNC机器间隔距离所需之时间
RGV_clean_time, RGV_movement_1_time, RGV_movement_2_time, RGV_movement_3_time = re.findall(
'\S+', data.readline())
# 第四行读取2个参数： 故障率， 故障恢复时间(单位时间)
CNC_break_down_rate, CNC_recovery_time_cost = re.findall(
'\S+', data.readline())
# 字符串数字化
RGV_clean_time = int(RGV_clean_time)
RGV_movement_1_time = int(RGV_movement_1_time)
RGV_movement_2_time = int(RGV_movement_2_time)
RGV_movement_3_time = int(RGV_movement_3_time)
CNC_break_down_rate = float(CNC_break_down_rate)
CNC_recovery_time_cost = int(CNC_recovery_time_cost)
# 配置RGV车走动时间
RGV_config = RGVSystemConfig(
RGV_movement_1_time, RGV_movement_2_time, RGV_movement_3_time, RGV_clean_time)
for id_machine in range(1, number_total_machines + 1):
machines_list.append(
Machine(
id_machine,
number_max_operations,
int(
machines_install_uninstall_time_cost_list[id_machine-1]),
CNC_break_down_rate, # 机器故障率
CNC_recovery_time_cost # 机器故障时间
)
)
# 初始工件ID
id_job = 1
jobs_list = []
for key, line in enumerate(data):
if key >= number_total_jobs:
break
# 按空格分隔字符串
parsed_line = re.findall('\S+', line)
# 新建当前工件
job = Job(id_job)
# 当前作业活动
id_activity = 1
# 当前读取行从 第一行开始 按行解析
i = 1
import random
while i < len(parsed_line):
# 总待加工工件即等于剩余行数k
number_operations = int(parsed_line[i])
# 新建一道作业活动
activity = Activity(job, id_activity)
for id_operation in range(1, number_operations + 1):
# 插入操作到作业活动
machine_id_for_current_operation = int(
parsed_line[i + 2 * id_operation - 1])
activity.add_operation(
Operation(
id_operation, # 顺序生成操作ID
machine_id_for_current_operation, # 对应操作可选CNC机器ID
int(parsed_line[i + 2 * id_operation])
# 初始化操作耗时 = 输入原耗时
)
)
# 随机插入故障占位
if random.random() < CNC_break_down_rate:
# 随机指定故障CNC机器
activity.add_operation(
Operation(
-1,
random.randint(1, number_total_machines),
random.randint(10*60, 20*60) # 随机指定故障恢复时间 10-20分钟
)
)
job.add_activity(activity)
i += 1 + 2 * number_operations
id_activity += 1
jobs_list.append(job)
id_job += 1
return jobs_list, machines_list, number_max_operations, RGV_config
