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Analyzing and researching the four elements of measuring process by using process method, it establishes the measuring system model of machine vision. It analyzes the component of measuring error, according to the analysis of measuring system model. It put forward a method of the error analysis of machine vision aiming based on the precision of edge detection, and applies to inside diameter measurements...
In this article, the detection principle of mesh status between wormgear and worm of wattmeter which based on digital video graduation technology is illustrated. The system grabs image with CCD camera, detects the mesh status between wormgear and worm of wattmeter based on digital video graduation technology which achieved by SAA712, SAA7111 and FPGA. The system is featured of fast, accurate and low-cost...
In this paper, it designs a measuring system of bearing thickness which is based on the four elements of the measuring system. It's using v-shaped blocks to achieve high-precision semi-automatic positioning of the bearing. It is using differential inductive sensor for measurement, the signal has processed by AD698 firstly, then through analog-to-digital conversion, the signal input into SCM, SCM control...
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