Development and Experiment of an Automatic Measurement Device for Water Coupling by Image Processing

Zheng LI, Da LU, Min-hong WAN, Xiao-yuan LIU, Hao-dong CHI


This paper describes an automatic measurement device for water coupling, which can drive the water coupling doing automatic reciprocating motion and measuring the product indicator of air input by the result of image processing. The control software is developed by using STM32 processor, which deals with the reciprocating motion control and data acquisition. The correctness of working principle is verified through a series of experiments of automatic motion, and the product indicator is calculated based on image analysis theory. It can not only analyze and study the practical application for the products of water coupling, but also provide a new approach for automatic experiment and measurement in unmanned operation.


Water coupling, Image processing, Automatic Measurement, Bubble trap, Indicator verification


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