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Problems and directions of improving the reliability of determining depreciation during the automated sorting of banknotes.

 
Kyrychok T. Iu., Kyrychok P. O., Kazhmuratov Zh. T. (Natsionalnyi tekhnichnyi universytet Ukrainy «Kyivskyi politekhnichnyi instytut» (Kyiv, Ukraina) Problems and directions of improving the reliability of determining depreciation during the automated sorting of banknotes. — 2014. — № 4(46). — pp. 4–13.
The problems of automated banknotes sorting were analyzed. It has been established that there is a mistaken omission of the simultaneous presence of various kinds of damage on one banknote and return to the circulation of deteriorated banknotes and unjustified withdrawal from circulation of suitable banknotes due to the erroneous assessment of their condition as deteriorated. Determine the cause of incorrect sorting: differences in calibration of sensor sorting equipment, the deviation permitted color tint for banknote paper from different production lots, as well as separate accounting of deterioration indices.
It has been suggested the ways to improve the reliability of the sorting: 1) periodic monitoring of sorting equipment data to clarify the critical values of soiling indices; 2) improvement of deterioration assessment on the basis of complex deterioration index determination; 3) development of the new deterioration indices and their implementation into sorting process.
Keywords: banknote, deterioration, durability, banknote paper, banknote sorting, withdrawal of banknotes, deterioration index.
Language — Ukraine.
Illustrations — 1.
Bibliography — 22 titles.
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