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首页> 外文期刊>The Canadian Journal of Chemical Engineering >LONG-TERM STATISTICAL STABILITY OF INDUSTRIAL PLANTS: PERFORMANCE INDICATORS AND MONITORING OF AN INDUSTRIAL PET PLANT
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LONG-TERM STATISTICAL STABILITY OF INDUSTRIAL PLANTS: PERFORMANCE INDICATORS AND MONITORING OF AN INDUSTRIAL PET PLANT

机译:工业植物的长期统计稳定性:工业PET装置的性能指标和监控

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摘要

In the present work, usual statistical process control (SPC) definitions are reformulated to allow for long-term analyses, giving rise to extended statistical process control (ESPC) procedures. In order to allow for implementation of the ESPC approach, t- and F-control charts and monitoring indexes (NEPM, EPY and OEP) are designed in this work and are used to monitor the performance of a real industrial poly(ethylene terephthalate) (PET) site based on six process outputs (intrinsic viscosity, crystallinity, acetaldehyde concentration and colours a, b and L). As shown in this manuscript, ESPC tools allow for proper and systematic analysis of huge amounts of industrial data, using simple, fast and efficient statistical techniques, which can be used to improve the quality of the process operation in most industrial polymerisation plants.
机译:在当前的工作中,通常的统计过程控制(SPC)定义被重新制定以允许进行长期分析,从而导致扩展的统计过程控制(ESPC)程序。为了允许实施ESPC方法,在此工作中设计了t控制图和F控制图以及监控指标(NEPM,EPY和OEP),并用于监控实际的工业聚对苯二甲酸乙二酯(基于六个过程输出(固有粘度,结晶度,乙醛浓度和颜色a,b和L)的PET)站点。如此稿所示,ESPC工具允许使用简单,快速和高效的统计技术,对大量的工业数据进行适当而系统的分析,这些技术可用于改善大多数工业聚合工厂的工艺操作质量。

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