Call For Paper Volume:4 Issue:8 Aug'2017 |

The Design and Realization of High Precision Micrometric Displacement Measuring System Based on LVDT

Publication Date : 01/04/2016



Author(s) :

Jiang Biao , Rongzheng Li.


Volume/Issue :
Volume 3
,
Issue 3
(04 - 2016)



Abstract :

This thesis introduces a kind of micrometric displacement measuring system which is based on LVDT (liner variable differential transformer) sensor. Considering the disadvantages that LVDT signal has a low precision and a large temperature drift when conditioning circuits, this thesis designs the matching hardware circuits, which mainly involves waveform generating circuit, driving circuit, wave filtering and amplification circuits, virtual value transforming circuit, and AD transforming circuit, the single-chip microcomputer will collect the AD transforming results, make digital filtering, and display them. Experimental results show that this system is of extremely high practical application.


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The Design and Realization of High Precision Micrometric Displacement Measuring System Based on LVDT

April 1, 2016