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1 December 2023 An algorithm for online detection of crystallization state of penicillin salt solution
Xiaojun Wang, Yunning Guo, Yan Wang
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Proceedings Volume 12940, Third International Conference on Control and Intelligent Robotics (ICCIR 2023); 1294036 (2023) https://doi.org/10.1117/12.3010586
Event: Third International Conference on Control and Intelligent Robotics (ICCIR 2023), 2023, Sipsongpanna, China
Abstract
Aiming at the problems of high manual detection cost, too strong subjectivity and low level of production automation, an online detection algorithm for the crystallization status of penicillin salt solution is proposed. Firstly, on the basis of penicillin salt solution image processing, in order to eliminate the foam influence generated during the crystallization process, the color space is transformed and the three features of the penicillin salt solution image are extracted, secondly, the three features are used as evidence and the basic probability distribution function (BPA) of DS evidence theory is constructed, and the results are obtained by fusion according to the DS evidence theory rules, and finally, due to the irreversibility of industry, a constant false alarm detection based on Pearson's criterion is introduced to further improve the accuracy of penicillin salt solution crystallization state alarm. This algorithm is used for process control. The experimental results show that the online detection algorithm of the state of penicillin salt solution based on DS evidence theory has a fusion single detection probability of more than 85% under the condition of ensuring that the constant false alarm rate is 6 10, , and the online operation is consistent with the manual detection results, but it has real-time performance that cannot be matched by artificiality, which greatly improves the crystallization quality of the product.
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Xiaojun Wang, Yunning Guo, and Yan Wang "An algorithm for online detection of crystallization state of penicillin salt solution", Proc. SPIE 12940, Third International Conference on Control and Intelligent Robotics (ICCIR 2023), 1294036 (1 December 2023); https://doi.org/10.1117/12.3010586
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KEYWORDS
Crystallization
Crystals
Image fusion
Detection and tracking algorithms
Feature fusion
Color
Feature extraction
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