作者：刘颖¹, 管子怡², 杨林超¹, 刘磊¹, 刘穗君¹, 曾九孙², 蔡晋辉²

作者单位：1. 河南中烟工业有限责任公司南阳卷烟厂, 河南 南阳 473007;
2. 中国计量大学计量测试工程学院, 浙江 杭州 310018

关键词：核查周期;烟草红外水分仪;Wiener退化过程;卡尔曼滤波

摘要：

为解决烟草红外水分仪核查周期难以确定的问题，提出一种基于维纳（Wiener）退化过程的水分仪核查周期确定方法。在对烟草生产过程中采集到的大量水分仪历史退化数据和在线测量数据进行分析的基础上，采用带自适应漂移项的Wiener过程模型对历史退化数据进行建模，以获取水分仪未来退化状况的信息，从而确定水分仪的核查周期。在新的数据到来之后，引入卡尔曼滤波对自适应漂移参数进行更新，对红外水分仪剩余寿命进行重新估计，以实现红外水分仪核查周期的动态调整。研究结果表明，与传统方法相比，该方法更符合实际情况且能够实现在线预测，在该案例下的烟草红外水分仪的核查周期应当设置在6~7 d之间。

Method for determining the verification period of tobacco moisture meter based on Wiener degradation process
LIU Ying¹, GUAN Ziyi², YANG Linchao¹, LIU Lei¹, LIU Suijun¹, ZENG Jiusun², CAI Jinhui²
1. Nanyang Cigarette Factory, China Tobacco Henan Industrial Co., Ltd., Nanyang 473007, China;
2. College of Metrology and Measurement Engineering, China Jiliang University, Hangzhou 310018, China
Abstract: In order to solve the problem that the verification cycle of tobacco infrared moisture meter is difficult to determine, a method of determining the verification cycle of moisture meter based on Wiener degradation process is proposed. On the basis of the analysis of a large number of historical degradation data and online measurement data collected during tobacco production, the historical degradation data is modeled using the Wiener process model with adaptive drift terms to obtain information on the future degradation of the moisture meter, thereby determining the verification cycle of the moisture meter. After the arrival of new data, Kalman filters are introduced to update the adaptive drift parameters and re-estimate the remaining life of the infrared moisture meter to achieve dynamic adjustment of the infrared moisture meter verification cycle. The results show that the method is more realistic and can achieve online prediction than the traditional method, and the verification period of the tobacco infrared moisture meter in this case should be set between 6-7 days.
Keywords: verification period;tobacco infrared moisture meter;Wiener degradation process;Kalman filter
2023, 49(5):16-22  收稿日期: 2022-03-07;收到修改稿日期: 2022-04-12
基金项目: 国家自然科学基金（61673358）；河南中烟工业有限责任公司科技项目(A202053，RH202005)
作者简介: 刘颖(1991-),女,河南南阳市人,工程师,主要从事烟草计量测试研究
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