import numpy as np
import os

dirPath = "G:\深度学习/2022-2023\小论文相关\code\PHM 2012轴承挑战数据集\phm-ieee-2012-data-challenge-dataset-master\Learning_set\Bearing1_1"
files = os.listdir(dirPath)
data = np.zeros(5)

for file in files:
    path = os.path.join(dirPath, file)
    x = np.loadtxt(path, delimiter=",", usecols=4)
    x = np.transpose(x)
    x = np.expand_dims(x, 0)
    if (data == 0).all():
        data = x
    else:
        data = np.concatenate((data, x))
        # print(data.shape)  (2803,2560)
print(data.shape)

# np.save("./data/Bearing1_1.npy", data, allow_pickle=True)