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介绍了分析复杂系统规律的第二代多元统计分析方法--偏最小二乘回归方法(PLS)的原理和技术特点,利用国内第一款在Excel中实现PLS的软件--PEW(PLS+Excel+Word)对钢铁流程之一的烧结工序限制性环节--影响烧结矿低温还原粉化指数RDI的因素进行了分析。此技术提供了一种模型简单有效,物理意义清晰明确的分析工具,可以打开错综复杂,影响因素交叉重叠这一看不见的钢铁生产各流程黑箱,指导操作调整,指引改造升级,为解析、优化钢铁生产流程的各限制性环节提供了一个很好的手段。
This paper introduces the principle and technical characteristics of the second generation multivariate statistical analysis method of partial complex least squares regression (PLS), which is used to analyze the complex system regularity. By using the first PLS software (PLS + Excel + Word) An analysis of the factors that affect the RDI of the sinter’s low temperature reduction pulverization index was carried out for the limiting step of the sintering process, one of the steel processes. This technology provides a simple and effective analysis model with clear and definite physical meaning. It can open the invisible black box of invisible and complicated process of steel production, guiding the operation adjustment and guiding the transformation and upgrading. In order to analyze and optimize the steel The restrictive aspects of the production process provide a good tool.