旋转机械转子加工变形量测量系统研制
详细信息 查看官网全文
- 英文论文题名：The study of the measurement system of machining deformation of the rotational machine rotor
- 论文作者：丰晓雯 ; 高亚男 ; 宋涛
- 英文论文作者：FENG Xiao-wen ; GAO Ya-nan ; SONG Tao ; Research Institute of Physical and Chemical Engineering of Nuclear Industry
- 年：2015
- 作者机构：核工业理化工程研究院;
- 论文关键词：变形 ; 频谱分析 ; 频谱校正 ; 电涡流传感器
- 英文论文关键词：deformation ; FFT analysis ; FFT emendation ; eddy current sensor
- 会议召开时间：2015-09-21
- 会议录名称：中国核科学技术进展报告（第四卷）——中国核学会2015年学术年会论文集第4册（同位素分离分卷）
- 语种：中文
- 分类号：TH16
- 学会代码：EGVD
- 会议名称：中国核学会2015年学术年会
- 会议地点：中国四川绵阳
- 主办单位：中国核学会
- 学会名称：中国核学会
- 页数：7
- 文件大小：487k
- 原文格式：O
- 会议级别：全国
摘要
旋转机械的转子在加工过程中会产生变形,直接影响到转子的加工合格率。该测量系统是用来对转子的加工变形量进行实时监测的,为改善加工工艺提供指导。该系统硬件由工控机、采集卡和电涡流传感器组成,软件采用VB语言编程。采集卡采集由电涡流传感器测量输出的变形信号,信号传至工控机,再由程序进行信号的数据处理,最终得到变形量。在本系统的程序中,关键步骤是信号处理,信号处理主要采用了加窗、频谱分析、频谱校正以及加窗恢复系数等方法,使得测量的数据更加接近真实值。经过试验,验证了旋转机械转子加工变形量测量系统的可行性和正确性。
In the machining process,the rotor of the rotational machine will deform,it is directly related to the qualified rate of the rotor.The system is used to real-time monitor the machining deformation of the rotor,improve the machining technology.This system's hardware include the industrial control computer,the data acquisition card and the eddy current sensor.The software adopts the VB language.The acquisition card is used to collect the deformation signal by the eddy current sensor measuring and output,and the signal is sent to the industrial control computer,by conducting the data processing in the program,the system will get the deformation finally.In the program,the signal processing is the key step,such as the method of acceding to window,the FFT analysis,the FFT emendation and the comeback coefficient,them cause the measuring data is close to the real data much more.The test verifies the feasibility and correctness of this measurement system of machining deformation of the rotational machine rotor.
In the machining process,the rotor of the rotational machine will deform,it is directly related to the qualified rate of the rotor.The system is used to real-time monitor the machining deformation of the rotor,improve the machining technology.This system's hardware include the industrial control computer,the data acquisition card and the eddy current sensor.The software adopts the VB language.The acquisition card is used to collect the deformation signal by the eddy current sensor measuring and output,and the signal is sent to the industrial control computer,by conducting the data processing in the program,the system will get the deformation finally.In the program,the signal processing is the key step,such as the method of acceding to window,the FFT analysis,the FFT emendation and the comeback coefficient,them cause the measuring data is close to the real data much more.The test verifies the feasibility and correctness of this measurement system of machining deformation of the rotational machine rotor.
引文
[1]郭军.测试系统技术[M].西安:西安电子科技大学出版社,2006.
[2]江征风.测试技术基础[M].北京:北京大学出版社,2007.1.
[3]李孟源.测试技术基础[M].西安:西安电子科技大学出版社,2006.
[4]钱世玺.比值法校正转速信号频率与幅值的初步研究[R].2011.5.
[5]谢明,等.频谱分析的校正方法[J].振动工程学报,1994.6.
[6]焦新涛,等.加窗频谱分析的恢复系数及其求法[J].汕头大学学报,2003.8.
[2]江征风.测试技术基础[M].北京:北京大学出版社,2007.1.
[3]李孟源.测试技术基础[M].西安:西安电子科技大学出版社,2006.
[4]钱世玺.比值法校正转速信号频率与幅值的初步研究[R].2011.5.
[5]谢明,等.频谱分析的校正方法[J].振动工程学报,1994.6.
[6]焦新涛,等.加窗频谱分析的恢复系数及其求法[J].汕头大学学报,2003.8.