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A small thickness measurement system based on PSD and FPGA (EI CONFERENCE)
会议论文
3rd International Conference on Measuring Technology and Mechatronics Automation, ICMTMA 2011, January 6, 2011 - January 7, 2011, Shanghai, China
Guo J.
;
He X.
;
Wei Z.
;
Wu Y.
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浏览/下载:21/0
  |  
提交时间:2013/03/25
Considering that the requirement of industrial manufacture
An AT89S51 singlechip works as the core processor of the system. By two laser triangulation
a small thickness measurement system based on PSD and FPGA is presented. It takes S3931 PSD of one dimension as position detection device
A FPGA produces logic control signals for the whole system
the small displacement is converted to differential voltages
which is made by Hamamatsu in Japan
and after amplification and A/D transformation
8-bit parallel data is send to singlechip from FPGA by external interrupts
and the final calculation results output to the LCD display module. After digital micro meter calibration
we get the small thickness. Experiments show that the detection accuracy of the system is not less than 10um.
基于差动离焦原理的微位移检测光学测头装置研究
学位论文
2011, 2010
周小英
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浏览/下载:4/0
  |  
提交时间:2016/02/14
差动离焦
微位移检测
微单片机
differential defocus
micro displacement detection
micro-MCU
Interferometric detection method for micro-displacement based on integrated diffraction grating
期刊论文
2010, 2010
Wu Kang
;
Ye Xiong-ying
;
Liu Li-tao
;
Chen Feng
;
Zhou Zhao-ying
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浏览/下载:5/0
The Micro-displacement Worktable Control System of Mirror Detection
会议论文
Marseille, France, 2008-6-23
Yu Ye
;
Zhenchao Zhang
;
Aihua Li
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  |  
浏览/下载:13/0
  |  
提交时间:2014/01/02
mirror detection
micro-displacement worktable
control system
Developed metro bogie dynamic test system based on Labview7.1 (CPCI-S收录)
会议论文
ISTM/2007: 7TH INTERNATIONAL SYMPOSIUM ON TEST AND MEASUREMENT, VOLS 1-7, CONFERENCE PROCEEDINGS
作者:
Fu Wei
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浏览/下载:1/0
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提交时间:2019/04/17
the metro bogie
Signal detection
Suppose an instrument
Data collect
dynamic test system
Displacement
micro-capacitance measurement
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