Machine vision-based plate blank number detection full-automatic steel charging method
A technology of machine vision and slab numbering, applied in instruments, computer parts, character and pattern recognition, etc., can solve the problems of low production efficiency, high labor intensity, mixed steel, etc., to improve production efficiency and speed up the rhythm of steel loading Effect
Active Publication Date: 2020-07-03
UNIV OF SCI & TECH BEIJING
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[0004] Based on this, the present invention proposes a fully automatic steel loading strategy for slab number detection based on machine vision, ending the history of multiple manual control links and chaotic slab management in front of the furnace; Manual operation results in low production efficiency, high labor intensity, and prone to mixed steel, which seriously affects the production rhythm and later product quality judgment; it realizes automatic tracking and control of materials from continuous casting to furnace loading, and gets rid of years of The "bottleneck" that affects the production rhythm
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[0049] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.
[0050] Embodiments of the present invention provide a machine vision-based slab number detection fully automatic steel loading method, such as figure 1 As shown, the method includes the following steps:
[0051] Collect pictures of slab numbers in different positions of the moving slabs, and perform preprocessing to obtain valid slab number pictures;
[0052] Use machine vision technology to identify valid slab number pictures to obtain the slab number;
[0053] According to the identified slab number, match with the MES database and the continuous casting database to obtain the original PDI data of the slab;
[0054] Measure the parameters of the slab before the furnace, compare with the original PDI data, and judge the reliability of the measured par...
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The invention provides a machine vision-based plate blank number detection full-automatic steel charging method, which comprises the following steps of: acquiring plate blank number pictures of a plate blank at different positions in advance, and preprocessing the plate blank number pictures to obtain effective plate blank number pictures; identifying the effective plate blank number picture by adopting a machine vision technology to obtain a plate blank number; matching with an MES database and a continuous casting database according to the identified plate blank number to obtain original PDIdata of the plate blank; carrying out actual measurement on each parameter in front of the furnace on the plate blank, comparing with the original PDI data, and judging the credibility of each actualmeasurement parameter; and combining the credibility of each actually measured parameter of the plate blank with a preset charging rule to carry out automatic release or alarm processing. According to the invention, stokehole automatic checking and steel loading can be realized, the stokehole steel loading rhythm can be effectively accelerated, and the production efficiency of the whole production line is improved.
Description
technical field [0001] The invention relates to the technical fields of metallurgical machinery, automation and rolling, in particular to a fully automatic steel loading method for detecting slab numbers based on machine vision. Background technique [0002] With the continuous deepening of digitalization and intelligence in the manufacturing industry, the metallurgical industry has also ushered in an opportunity for reform. Among them, the intelligence of the heating furnace system is the premise and basis for realizing the intelligence of the entire production line. However, at present, the heating furnace is precisely the weakest link in the automation level of the entire production line. First, because there are many interactive links between the upstream and downstream of the heating furnace, the process is flexible and changeable; second, because the materials in the heating furnace have multiple destinations , it is difficult for the system to automatically track all...
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Login to View More IPC IPC(8): G06K9/32G06K9/34
CPCG06V20/62G06V30/153G06V10/267G06V2201/06G06V30/10
Inventor蔺凤琴宋勇荆丰伟孙文权
OwnerUNIV OF SCI & TECH BEIJING