一曲轴缺陷检测系统软件开发
      
        
            
        	
				
            
            
              
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- -曲轴缺陷检测系统软件开发目 录
1绪论...........................................................................................................................................3
  1.1课题研究意义....................................................................................................................3 
  1.2国内外研究现状................................................................................................................4
  1.3主要研究方法....................................................................................................................4
  1.4主要研究内容....................................................................................................................5
  1.5研究设计思路....................................................................................................................5
2基于金属磁记忆技术曲轴缺陷检测系统...............................................................................9
  2.1金属磁记忆效应................................................................................................................9
  2.2金属磁记忆技术原理........................................................................................................9
  2.3基于金属磁记忆技术曲轴缺陷检测系统原理..............................................................13
  2.4本章小结..........................................................................................................................13
3曲轴缺陷检测系统硬件构成.................................................................................................14
  3.1检测系统概述..................................................................................................................14
  3.2缺陷检测系统传感部分设计..........................................................................................14
      3.2.1传感器的工作原理	............................................................................................15
      3.2.2 HCM1001技术参数...............................................................................................15
      3.2.3电桥偏置...............................................................................................................17
      3.2.4置位/复位电路.....................................................................................................18
      3.2.5灵敏度补偿电路...................................................................................................18
      3.2.6为置位/复位电路模块的电压转换电路.............................................................20
  3.3缺陷检测系统调节电路部分设计..................................................................................20
  3.4系统基于声卡的数据采集模块使用..............................................................................21
  3.5本章小结..........................................................................................................................22
4在LabWindows/CVI中曲轴缺陷分析软件设计...................................................................23
  4.1缺陷分析软件的模块划分..............................................................................................23
  4.2数据采集模块..................................................................................................................23
  4.3处理分析模块..................................................................................................................24
4.3.1时域分析...................................................................................................................24
    4.3.2频域分析...................................................................................................................26
  4.4测试结果处理模块..........................................................................................................31
     4.4.1存储相关数据.........................................................................................................32
     4.4.2数据的打印及预览打印.........................................................................................33
     4.4.3生成图表.................................................................................................................33
  4.5本章小结..........................................................................................................................33
5实物测试与实验结果分析.....................................................................................................35
  5.1金属磁记忆产生的畸变磁场的影响因素......................................................................35
     5.1.1应力大小及其分布.................................................................................................35
     5.1.2 材料的磁特性........................................................................................................35
 5.1.3 外部环境磁场........................................................................................................36
 5.1.4 温度........................................................................................................................36
  5.2实验结果与分析..............................................................................................................36
  5.3误差分析..........................................................................................................................38
  5.4本章小结..........................................................................................................................39
6总结与展望.............................................................................................................................41
  6.1总结..................................................................................................................................41
  6.2进一步研究与展望..........................................................................................................41
致谢...........................................................................................................................................43
参考文献...................................................................................................................................44
附录...........................................................................................................................................46
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