轴承故障分析

matlab对大量的轴承故障的特征信号进行小波包分解，提取特征值，并建立神经网络训练，最终可由网络进行故障的分析

path=‘D:\Program Files （x86）\matlab\bin\Final Project\Bearing Diagnostics\Vibration Signals\Testing\‘;
list=dir（path）;
for r=1:length（list）
    filename=list（r）.name;
if r>=3
    s1{1r-2}=load（filename）;
    else
        continue;
    end
end


for u=1:48
    wpt{u}=wpdec（s1{u}3‘db1‘）;
   for v=1:8
        c2{v}=wprcoef（wpt{u}[3v-1]）;
       P_test（vu）=sum（c2{v}‘*c2{v}）;  
   end
end

for w=1:48
    Y（:w）=sim（netP_test（1:8w））
end

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2013-06-21 22:10  Final Project\
     目录           0  2013-06-21 22:09  Final Project\Bearing Diagnostics\
     目录           0  2013-06-21 22:09  Final Project\Bearing Diagnostics\Vibration Signals\
     目录           0  2013-06-21 22:09  Final Project\Bearing Diagnostics\Vibration Signals\Testing\
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\B1-37
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\B1-38
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\B1-39
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\B1-40
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\B1-41
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\B1-42
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\B1-43
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\B1-44
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\B1-45
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\B1-46
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\B1-47
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\B1-48
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\IR1-37
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\IR1-38
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\IR1-39
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\IR1-40
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\IR1-41
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\IR1-42
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\IR1-43
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\IR1-44
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\IR1-45
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\IR1-46
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\IR1-47
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\IR1-48
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\N1-37
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\N1-38
     文件       36864  2013-06-03 22:17  Final Project\Bearing Diagnostics\Vibration Signals\Testing\N1-39
............此处省略367个文件信息