1 简介 基于matlab对信号强大的处理功能,对检测到的滚动轴承振动信号进行时域,频域,倒频谱分析,比较其优点,充分显示了倒频谱技术在判断轴承故障的直观性,简化性,从而提高了滚动轴承
1 简介
基于matlab对信号强大的处理功能,对检测到的滚动轴承振动信号进行时域,频域,倒频谱分析,比较其优点,充分显示了倒频谱技术在判断轴承故障的直观性,简化性,从而提高了滚动轴承故障判断的准确率.
2 部分代码
%pinyu.m文件uiheight=0.05;
uiweith=0.12;
uilow=0.08;
uileft=0.85;
dif=0.08;
h=figure('color',[0.8,0.9,0.8],'Position',[250,100,800,500],'Resize','on',...
'Name','频域分析','NumberTitle','off',...
'MenuBar','none','tag','pinyufig','units','points');
uicontrol(h,'style','Pushbutton','Position',[uileft uilow uiweith uiheight],...
'Units','normalized','Horizontal','left','fontsize',12,...
'String','返回','call','close(h)');
uicontrol(h,'style','Text','Position',...
[uileft uilow+2*dif+13*uiheight uiweith uiheight],...
'Units','normalized','Horizontal','center','fontsize',12,...
'String','采样频率','tag','cypldata','backgroundcolor',[0.8,0.9,0.8]);
uicontrol(h,'style','edit','Position',...
[uileft uilow+2*dif+13*uiheight-uiheight 0.7*uiweith uiheight],...
'Units','normalized','Horizontal','center','tag','cypled','fontsize',10,'String',10000);
uicontrol(h,'style','Text','Position',...
[uileft+0.7*uiweith uilow+2*dif+13*uiheight-uiheight 0.3*uiweith uiheight],...
'Units','normalized','Horizontal','center','fontsize',12,...
'String','Hz','tag','dwdata','backgroundcolor',[0.8,0.9,0.8]);
uicontrol(h,'style','Pushbutton','position',...
[uileft uilow+2*dif+10*uiheight uiweith uiheight],...
'Units','normalized','Horizontal','center','fontsize',12,...
'String','幅值谱','call','fzp');
uicontrol(h,'style','Pushbutton','position',...
[uileft uilow+2*dif+8*uiheight uiweith uiheight],...
'Units','normalized','Horizontal','center','fontsize',12,...
'String','能量谱','call','nlp');
uicontrol(h,'style','Pushbutton','position',...
[uileft uilow+2*dif+6*uiheight uiweith uiheight],...
'Units','normalized','Horizontal','center','fontsize',12,...
'String','倒频谱','call','dpp');
uicontrol(h,'style','Pushbutton','position',...
[uileft uilow+2*dif+4*uiheight uiweith uiheight],...
'Units','normalized','Horizontal','center','fontsize',12,...
'String','功率谱','call','glp');
uicontrol(h,'style','Text','Position',...
[uileft uilow+2*dif+3*uiheight uiweith uiheight],...
'Units','normalized','Horizontal','center','fontsize',12,...
'String','计算方法','tag','ffdata','backgroundcolor',[0.8,0.9,0.8]);
v=uicontrol(h,'style','popup','Position',...
[uileft uilow+2*dif+3*uiheight-uiheight uiweith uiheight],...
'Units','normalized','Horizontal','left',...
'String','周期图法|分段平均周期图法|加窗平均周期图法|多窗口法|最大熵法|多信号分类法','tag','jsff');
uicontrol(h,'style','Pushbutton','Position',[uileft uilow+dif uiweith uiheight],...
'Units','normalized','Horizontal','left','fontsize',12,...
'String','打印','call','printf');
uicontrol(h,'style','Text','Position',...
[uileft-10*dif uilow-0.5*dif uiweith+dif uiheight],...
'Units','normalized','Horizontal','center','fontsize',12,...
'String','显示频率段下限','tag','xxdata','backgroundcolor',[0.8,0.9,0.8]);
uicontrol(h,'style','edit','Position',...
[uileft-7.8*dif uilow-0.5*dif 0.7*uiweith uiheight],...
'Units','normalized','Horizontal','center','tag','xxed','fontsize',10,'String',0);
uicontrol(h,'style','Text','Position',...
[uileft-7.8*dif+0.7*uiweith uilow-0.5*dif 0.3*uiweith uiheight],...
'Units','normalized','Horizontal','center','fontsize',12,...
'String','Hz','tag','dwdata','backgroundcolor',[0.8,0.9,0.8]);
uicontrol(h,'style','Text','Position',...
[uileft-6*dif uilow-0.5*dif uiweith+dif uiheight],...
'Units','normalized','Horizontal','center','fontsize',12,...
'String','显示频率段上限','tag','sxdata','backgroundcolor',[0.8,0.9,0.8]);
uicontrol(h,'style','edit','Position',...
[uileft-3.8*dif uilow-0.5*dif 0.7*uiweith uiheight],...
'Units','normalized','Horizontal','center','tag','sxed','fontsize',10,'String',5000);
uicontrol(h,'style','Text','Position',...
[uileft-3.8*dif+0.7*uiweith uilow-0.5*dif 0.3*uiweith uiheight],...
'Units','normalized','Horizontal','center','fontsize',12,...
'String','Hz','tag','dwdata','backgroundcolor',[0.8,0.9,0.8]);
3 仿真结果
4 参考文献
[1]易挺, 梁楚华, 朱圆圆. 滚动轴承故障诊断的matlab倒频谱分析[J]. 轴承技术, 2009(3):5.
博主简介：擅长智能优化算法、神经网络预测、信号处理、元胞自动机、图像处理、路径规划、无人机等多种领域的Matlab仿真，相关matlab代码问题可私信交流。
部分理论引用网络文献，若有侵权联系博主删除。
