An abc strategy method suitable for digital supervision of grain storage
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A strategic and digital technology, applied in the ABC strategy field of digital supervision of grain storage, can solve problems such as regulatory failure, loss of key information, and damage to the regulatory system
Active Publication Date: 2021-05-25
JILIN UNIV +1
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[0004] 1) New hardware needs to be added to the granary, which is costly and inconvenient to install
[0005] 2) Once there are problems such as power outages and equipment maintenance during use, key information will be lost and grain monitoring will be interrupted
[0006] 3) There is a phenomenon of artificially suspending and destroying the supervision system, making the supervision invalid
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[0106] Taking a grain depot in Heilongjiang as an example, the detailed information of the granary is as follows:
[0107] The granary adopts a steel plate structure; its size is 47.5 meters long, 26 meters wide, 6 meters high on the grain surface, and 8 meters high on the warehouse. There are 78 temperature measuring cables, 6 in the north-south direction, n=6, and the distance between the two sides is 5 meters. The wall surface is 0.5 meters; 13 in the east-west direction, m=13, the distance is 3.75 meters, and the two sides are 1.25 meters away from the wall; the temperature measurement points are divided into four layers, k=4, and the height of the first layer of temperature measurement points from the grain surface is 0.3 meters, the temperature measuring point on the fourth floor is 0.5 meters away from the bottom surface, and the distance between layers is about 1.7 meters; the distribution of temperature measuring cables is as follows Figure 3-5 Shown:
[0108] The s...
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Abstract
The invention discloses an ABC strategy method suitable for digital supervision of grain storage, including: step 1, determining the sampling range and temperature measurement point of the grain storage warehouse, determining the position of the temperature measurement sensor within the sampling range and the The grain temperature that temperature measuring sensor is tested; Step 2, the fitting function that establishes described temperature measuring sensor position and described grain temperature is: F (i,j,k,d) =A (i,j,k,d) j 2 +B (i,j,k,d) j+C (i,j,k,d) Step 3, calculating the deviation of the fitting function at the spatial position of the temperature sensor and the coefficient A of the fitting function when the deviation sum reaches the minimum value (i,j,k,d) , B (i,j,k,d) and C (i,j,k,d) , and calculate the parameter D (i,j,k,d) and parameter F (i,j,k,d) Step 4, judge and analyze the coefficient and the parameters, step 5, summarize the abnormal situation occurring in the step 4, calculate the abnormal ratio of a certain section in the granary and the abnormal ratio of the whole granary respectively and Output the data.
Description
technical field [0001] The invention relates to the field of granary monitoring, in particular to an ABC strategy method suitable for digital supervision of stored grain. Background technique [0002] From the central to the local level, there is a set of standardized grain circulation management regulations. The inventory information of the grain warehouse is mainly judged through the operation records of entering and leaving the warehouse and manual inspection. This method is time-consuming and labor-intensive. misjudgment. [0003] Recently, methods based on image recognition and video surveillance have emerged, which mainly have the following three defects: [0004] 1) New hardware needs to be added to the granary, which is costly and inconvenient to install [0005] 2) In case of problems such as power outages and equipment maintenance during use, key information will be lost and grain monitoring will be interrupted. [0006] 3) There is a phenomenon of artificially ...
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