造纸过程成纸质量的单变量统计过程监测研究  

Study on Univariate Statistical Process Monitoring of Paper Quality in Papermaking Process

作　　者：王金咏 张凤山[2] 刘鸿斌 WANG Jinyong;ZHANG Fengshan;LIU Hongbin(Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources,Nanjing Forestry University,Nanjing,Jiangsu Province,210037;Shandong Huatai Paper Industry Co.,Ltd.,Dongying,Shandong Province,257335;Guangxi Key Lab of Clean Pulp&Papermaking and Pollution Control,Nanning,Guangxi Zhuang Autonomous Region,530004)

机构地区：[1]南京林业大学林业资源高效加工利用协同创新中心,江苏南京210037 [2]山东华泰纸业股份有限公司,山东东营257335 [3]广西清洁化制浆造纸与污染控制重点实验室,广西南宁530004

出　　处：《中国造纸》2021年第10期49-56,共8页China Pulp & Paper

基　　金：中国博士后科学基金资助项目(2021T140225);广西清洁化制浆造纸与污染控制重点实验室开放基金资助项目(2021KF11)。

摘　　要：研究了休哈特控制图及其改进方法指数加权滑动均值(EWMA)控制图在造纸行业中的应用。收集了国内某造纸工厂2020年9月10—20日共120批胶版纸生产数据,使用训练集绘制胶版纸定量、厚度、白度、松厚度和表面吸水性的休哈特控制图与EWMA控制图,使用验证集验证控制图的准确性。结果发现,休哈特控制图能够及时监测生产中出现的异常并保证成纸质量,而EWMA控制图的监测标准过于严格,实用性不如休哈特控制图。The application of the Shewhart control chart and its improved method,exponentially weighted moving average(EWMA)control chart in the papermaking industry was studied.A total of 120 batches of offset paper production data from a domestic papermaking manufacturer from September 10 th to 20 th in 2020 were collected.The training set was used to draw the Shewhart control charts and EWMA control charts of offset paper basis weight,thickness,whiteness,bulk and surface water absorption.The validation set was used to verify the accuracy of the control charts.As a result,the Shewhart control chart could monitor the abnormalities in the production process and ensure the quality of paper on time.The monitoring standards of the EWMA control chart were too strict,so that its practicality was not as good as that of the Shewhart control chart.

关 键 词：统计过程控制 控制图 过程监测 造纸过程 

分 类 号：TS77[轻工技术与工程—制浆造纸工程]