基于Vague集模糊推理机制的温度控制系统设计

Vague集理论是一种新的模糊数学方法，它能准确地确定、描述判断事务的信息．利用Vague集理论知识，设计了一种新型的温度模糊控制器．控制器对温度的控制根据设置的规则，利用Vague集的相似度量推理方法，匹配最佳控制模式．控制器输出的控制量为数字量．实验结果表明，整个系统设计过程简单，步骤简化，模糊隶属度区间值容易确定，控制过程效果较好，有很好的应用价值．     

Shannon Information In k-records

In this article, we present results on the Shannon information (SI) contained in upper(lower) k-record values and associated k-record times. We then establish an interesting relationship between the SI content of a random sample of fixed size, and the SI in the data consisting of sequential maxima. We also consider the information contained in the k-record data from an inverse sampling plan (ISP).     

An Improved Boxplot for Univariate Data

The boxplot is an effective data-visualization tool useful in diverse applications and disciplines. Although more sophisticated graphical methods exist, the boxplot remains relevant due to its simplicity, interpretability, and usefulness, even in the age of big data. This article highlights the origins and developments of the boxplot that is now widely viewed as an industry standard as well as its inherent limitations when dealing with data from skewed distributions, particularly when detecting outliers. The proposed Ratio-Skewed boxplot is shown to be practical and suitable for outlier labeling across several parametric distributions.     

An Enhanced Double MEWMA Controller for Drifted MIMO Systems

For a drifted multiple-input and multiple-output (MIMO) system, the double multivariate exponentially weighted moving average (dMEWMA) controller is a popular run-to-run (RTR) controller for adjusting the process mean to a desired target. The stability and performance of dMEWMA controller had been widely studied in literature. Although the dMEWMA controller (with suitable discount matrices) can guarantee long-term stability, it usually requires a moderately large number of runs to bring the process output to approach its desired target if the initial recipe is not chosen appropriately. Due to the initial recipe possibly having an infinite number of feasible solutions for MIMO systems, “how to determine an optimal setting for the initial recipe” turns out to be an interesting research topic. In this article, by solving a constrained optimization problem, we first obtain an optimal initial setting for the input recipe. Then, motivated by this setting, we propose an enhanced dMEWMA controller. The long-term stability conditions and short-term performance of the proposed controller are also addressed. Given a fixed and finite production run, it reveals that the proposed controller has the ability of reducing total mean squared error (TMSE) better than the conventional dMEWMA controller.     

儒学与科技创新

儒家有重视教育、尊重知识的优良传统,可以为科技创新提供积累知识的必要的文化土壤.儒家"自强不息"、"变化日新"的精神与当代科技创新不矛盾,并且将在科技创新中表现得更加充分.科技创新将推动儒家文化的现代转换.     

聚酯(高分子)特性粘数在30℃的一点法测定研究

本工作用粘度法,在30℃测定聚酯的赫金斯(Huggins)常数以及特性粘数,并与25℃测得的特性粘数比较,结果这两种温度下测出的特性粘数值很为接近,偏差小于0.009,故聚酯在25℃的特性粘数,可以用30℃的测定结果来表示.     

董仲舒以"独尊儒术"为特征的道德教化思想探析

董仲舒是我国西汉时期著名的政治家、思想家.他在道德教化方面,以"独尊儒术"为基本指导原则,在对人"性"作深入研讨的基础上,提出"性待教而善"的重要观点,主张"任德教而不任刑",强调设"教化堤防",用儒家的"三纲五常"之说教化百姓.与此相一致,他创造性地提出了"显德以示民"等道德教育方法.从总体上看,董仲舒的道德学说既有值得继承的合理因素,亦有需要剔除的封建杂质,应当认真予以清理.     

Minimax prediction in finite populations

In this paper, minimax predictors are considered for some population quantities of interest, under some specific superpopulation models. Minimax predictors are derived under a binomial superpopulation model. The well known ratio estimator is shown to be minimax under the usual simple regression normal model. Nonparametric minimax predictors are considered under some models. Some of the predictors considered also shown to be admis s ible.     

悬置共面波导的特性阻抗

悬置共面波导兼有鳍线和悬置带线的优点。文中用共形变换技术分析悬置共面波导，得到严格的解，考虑有限厚度基片情况下给出了悬置共面波导的有效介电常数，单位长度电容和特性阻抗的闭合表达式。     

质子交換铌酸鋰光波导r_(33)的相干测試

用质子交换制备LiNbO_3光波导的方法有很多吸引人的优点,但实践中发现所得导波层电光系数r_(33)显著下降。本文报导了一种用于测试导波层电光系数的外电极调制直接相干测试的方法,给出了详细的测试原理和对r_(33)的测试结果。