原创Matlab的BP网络用于齿轮箱的故障诊断-BP_net.m

%基于BP网络的齿轮箱故障诊断设计
%以某型号的齿轮箱为工程背景，利用Matlab神经网络工具箱，尽享齿轮箱的故障诊断
%该程序假定程序项的故障是由齿轮故障所导致
%齿轮箱状态样本数据---->P
%网络输出模式三种：无故障、齿根裂纹、断齿 分别对应于特征向量（1，0，0）（010）（001）
clear;
clc;
P = [0.2286 0.1292 0.0720 0.1592 0.1335 0.0733 0.1159 0.0940 0.0522 0.1345 0.0090 0.1260...
     0.3619 0.0690 0.1828;
     0.2090 0.0947 0.1393 0.1387 0.2558 0.0900 0.0771 0.0882 0.0393 0.1430 0.0126 0.1670 0.2450...
     0.0508 0.1328;
     0.0442 0.0880 0.1147 0.0563 0.3347 0.1150 0.1453 0.0429 0.1818 0.0378 0.0092 0.2251 0.1516...
     0.0858 0.0670;
     0.2603 0.1715 0.0702 0.2711 0.1491 0.1330 0.0968 0.1911 0.2545 0.0871 0.0060 0.1793 0.1002...
     0.0789 0.0909;
     0.3690 0.2222 0.0562 0.5157 0.1872 0.1614 0.1425 0.1506 0.1310 0.0500 0.0078 0.0348 0.0451...
     0.0707 0.0880;
     0.0359 0.1149 0.123