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Optimization of QR code readability in movement state using response surface methodology for implementing continuous chain traceability

文献类型： 外文期刊

作者： Qian, Jianping 1 ; Du, Xiaowei 1 ; Zhang, Baoyan 3 ; Fan, Beilei 1 ; Yang, Xinting 1 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci, Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China

2.Natl Engn Lab Agriprod Qual Traceabil, Beijing 100097, Peoples R China

3.Tianjin Rural Affairs Comm, Informat Ctr, Tianjin 3300061, Peoples R China

关键词： QR code;Traceability;Response surface methodology;Barcode readability;Optimization

期刊名称：COMPUTERS AND ELECTRONICS IN AGRICULTURE （ 影响因子：5.565； 五年影响因子：5.494 ）

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收录情况： SCI

摘要： Logistics and storage is the main processing for agro-food supply chain. Because of disconnection information between the two processing, it is difficult to trace continuously. An intelligent conveyer belt provides an effective method to associate storage and logistics by QR code scanning and information recording. Improving the QR code readability in movement state is the core of implementing continuous chain traceability with this belt. In this paper, a intelligent conveyer belt including automatic conveyer unit, barcode scanning unit, fault remove unit and control display unit was designed. Four factors affected QR readability were selected and the value range was confirmed, which was reading distance, code size, coded characters and belt moving speed. Based on the belt, an Central Composite Inscribed (CCI) experiment of four factors with five levels was designed using Response Surface Methodology (RSM) to obtain the optimal reading parameters. The result shows that the main factors of reading distance, belt moving speed and the interaction between reading distance and code size have the significant effect on QR code readability. Under the optimization condition of 141.45 mm reading distance, 34.58 mm code size, 100 bytes coded characters and 2.98 m/min belt moving speed, the average value of QR code readability was 95%. With the optimization parameters, the intelligent conveyer belt was used in an apple marketing enterprise. The result shows that the continuous traceability between storage and logistic can be implemented with the extended breadth, deepened depth and improved precision. (C) 2017 Elsevier B.V. All rights reserved.

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