基于BP神经网络的织物折皱等级评定

采用改进的BP神经网络客观评定织物的折皱等级，网络结构为3层结构，输入样本数据经BP神经网络学习训练后，很快达到较小的误差收敛，从而确保评价的准确性和可靠性。     

Kohonen自组织神经网络在织物折皱等级评定中的应用

采用Kohonen自组织神经网络客观评定织物折皱等级，依据自组织神经网络的基本原理，结合自组织神经网络结构实现神经元的竞争和训练，并将结果输出到相应的分类模式中，以此确定试样的折皱等级，最后采用26种真实织物验证该方法的可行性。     

毛涤混纺织物折皱回复性能的探讨

根据标准的折皱回复测试实验,提出分析毛涤混纺织物的折皱回复性能与混纺比关系的理论曲线。实践证明,曲线在一定的范围内对涤棉等混纺织物具有适用性。     

基于粘弹性理论研究毛涤混纺织物折皱回复行为

根据标准的折皱回复测试实验对各种混纺比的毛涤织物进行了研究．基于纺织材料的粘弹性理论，把研究对象看成是具有内摩擦约束作用的粘弹性体，利用标准线性固体模型和滑块并联组成的模型分析了不同混纺比例的毛涤织物折痕回复性，并推导出折皱回复角的回复规律方程．实验证明，该模型能较好地反映毛涤织物折皱回复角的回复规律．     

浅谈分形理论在土木工程中的应用

本文对分形理论的发展进行了回顾,阐述了分形理论在混凝土、岩土工程、岩石爆破和结构检测这些土木工程领域的应用。分形理论的引入能够为土木工程中所存在的一系列非线性、模糊性和不规则性问题提供新的思想和新的思路,为土木工程的发展增加新的动力。     

分形理论及其在物理学中的应用

给出了分形的定义、有关概念、分形的描述方法、多重分形理论,以及分形理论在物理学中广泛的应用。     

分形理论在混凝中的应用

介绍了分形理论基本要点,探讨了分形理论在混凝形态学和絮凝动力学中的应用,论述了在经典Smoluchowski方程基础上引入分形维数建立的聚合分形球体模型及其基本方程,探讨了水量、反应时间、搅拌速率、pH值、混凝剂投加量、助凝剂投加量对分形维数值的影响,     

分形理论及其在生命科学中的应用

生命现象从微观到宏观的各个层次,都存在着分形现象.分形理论已在生命科学领域得到了广泛的应用.本文介绍了分形、分形维数的基本概念,综述了分形理论在生物学中的应用,并对分形理论在生命科学领域中的应用前景进行了展望.     

分形理论在液压泵故障诊断中的应用

针对液压泵故障诊断中特征提取上的瓶颈问题，提出了一种基于分形理论的液压泵故障诊断方法．以轴向柱塞泵为例，应用Matlab软件，通过建立液压泵壳体的振动模型，运用分形理论提取特征参数，进行液压泵故障分形诊断的研究．结果显示，壳体振动信号在一定的尺度范围内具有分形特征，不同的状态下关联维数是不同的，具有明显可分性．因此，关联维数作为液压设备故障诊断的敏感因子是可行的．这种方法简单、直观、易行，克服了传统方法分析上故障特征的提取、分析的困难．     

织物的基本物理力学量与折皱回复性的关系

根据灰色关联分析，影响折皱性能的物理力学指标主要有织物的拉伸线性度ＬＴ、压缩线性度ＬＣ、拉伸回弹ＲＴ、压缩回弹ＲＣ、剪切刚度Ｇ、摩擦系数ＭＩＵ、厚度Ｔ及重量Ｗ。     

The Fractal Characterization of Fabric Wrinkle Image

In this paper, fractal theory is introduced to assess the fabric wrinkle. The fractal features of fabric wrinkle are analyzed by image processing technique. The fractal dimensious of gray level surface are calculated by the retieular cell counting method. The results indicate that it can be used to character the fluctuation of gray level surface in fabric wrinkle image. The fractal dimensions of wrinkle blocks are achieved by the blocks areas analysis. It is testified that this dimension can describe the features of wrinkle blocks area distribution. The two kinds of fractal dimension can both objectively rank the fabric wrinkling.     

Fabric Wrinkle Grade Assessment Based on Fuzzy Pattern Recognition

The basic principle of fuzzy pattern recognition is brief introduced firstly in this paper, which mainly includes fuzzy rules and fuzzy inference system. Then, the algorithm procedure of fuzzy pattern recognition is proposed. Finally, the application of Mamdani fuzzy model is introduced to evaluate fabric wrinkle grade in detail, and used the correlation coefficient between subject and object evaluation to verify the reliability of fuzzy pattern recognition. It shows the method of fuzzy pattern recognition needs not a large number of testing data and the accuracy of evaluation is up to 97.38%.     

基于Wold纹理模型和分形理论的织物疵点检测

应用基于Wold纹理模型,从织物纹理中提取非确定性随机结构.通过正常纹理和疵点纹理中随机结构的表面维分形特征曲线比较,以距离为判别标准定位疵点.几种典型织物疵点的分析表明,基于Wold纹理模型和分形理论的分析方法能准确地检测出织物表面的多种疵点.     

Influence of Weave on Fabric Wrinkle Recovery Property before and after Resin Treatment

Cotton fabrics with different weaves are designed and the influence of weave on wrinkle recovery property and tensile property is analyzed. Weave type plays a prominent part in determining fabric wrinkle recovery property and tensile property. Weave factor C is in direct relation to wrinkle recovery angle and in inverse relation to tensile property. This trend also exists after resin treatment. 3/1 left-twill fabric shows good wrinkle recovery angle and lest tensile loss after resin treatment.     

分形几何与图案设计

讨论了分形几何在图案设计中应用的可能性,着重讨论了自仿射集在图案设计中的应用。     

Assessing Fabrics Wrinkling by Image Analysis

In this paper, the features of fabric wrinkle structure are analyzed, by image processing technique. The wrinkle images are processed and character parameters are extracted. The wrinkle side surface area ratio of image gray level intensity, the standard deviation of total pixels' gray level intensity and the standard deviation of wrinkle block area are adopted to evaluate fabric wrinkling. The results show that these three character parameters can be served for ranking the wrinkling. It provides a feasible objective method for fabrics wrinkling degree assessing.     

Visual Evaluation of the Morphologic Structure of Nonwovens Using Image Analysis and Fractal Geometry

IntroductionNonwovensarefibermaterialswhicharebasedonnonwoventechnologies.Theirmostadvantagesarethattheprocessingtechnologiesandformingmethodsfortheproductscanbedesignedscientificallyaccordingtotheirenduse.Sothattheresourcescanbeusedmostadequatelyandthesatisfactoryproductsbeobtained.Theapplicationsofnonwovensinindustry,agriculture,civilconstruction,sanitary,homeuseandsoon,arewiderandwider.Theycanbeusedasvariouskindsoffilters,adsorbents,geotextiles,insulationmaterialsofheat,soundandelectricity…