%基于BP網(wǎng)絡的齒輪箱故障診斷設計
%以某型號的齒輪箱為工程背景，利用Matlab神經(jīng)網(wǎng)絡工具箱，盡享齒輪箱的故障診斷
%該程序假定程序項的故障是由齒輪故障所導致
%齒輪箱狀態(tài)樣本數(shù)據(jù)---->P
%網(wǎng)絡輸出模式三種：無故障、齒根裂紋、斷齒?分別對應于特征向量（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