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At first, this paper surveys nonlinear control and the applications of neural networks in control respectively. Then it studies definitions, mathematical descriptions and conditions of invertibility for nonlinear systems, which are used to analyze the feasibility of inverse system control method. Conclusions about the feasibility of inverse control and the realizability of αth-order inverse systems in engineering are achieved. Furthermore, this paper discusses the feasibility, structure and identification of neural network αth-order inverse system for general single-input single-output continuous or discrete nonlinear systems and various composite control methods based on the αth-order inverse. At last, as a part work of an actual project, this paper focuses on the design of neural network αth-order inverse control method for thyristor controlled series compensation in power systems and its effect in improving the stability of power systems.

本文首先分别概述非线性系统的控制与人工神经网络在控制中的应用；然后研究非线性系统各种可逆性的定义、数学描述及可逆性条件，并用于分析逆系统控制方法的可行性，得出有关逆系统控制方法可行性的结论，阐明一般情况下α阶逆系统才工程可实现；接着本文针对一般单输入单输出连续、离散非线性系统，研究神经网络α阶逆系统的可行性、结构与辨识以及基于神经网络α阶逆系统的各种复合控制方法，并给出应用例子；最后本文结合实际项目，针对采用可控串补的电力系统，设计神经网络α阶逆系统控制方法，研究其对提高电力系统稳定性的作用。

The jib system of portal crane is considered to be elastomer in this paper. Besides, taking finite element as basic theory and mechanical dynamics as analysis method,the paper simulates the virtual luffing process of jib system and seeking the relationship between plane movement and dynamic pressure condition of jib system using ANSYS8.1. By analyzing ,the paper gives some advice on structure optimizing.

针对以上问题，本文以MQ2535门座起重机臂架系统为研究对象，将门座起重机整个臂架系统视为弹性体，以机械动力学和有限元为理论基础和分析手段，运用有限元软件ANSYS8.1模拟臂架系统的实际变幅过程，探寻物品在变幅过程中水平移动与臂架系统结构动态受力之间的关系；通过分析其受力情况，对其结构的优化提出了一些建议。

Many types of paper art paper, a form of handicraft realistic flowers, there are striking three-dimensional texture painting, as well as elegant and delicate lace like paper painting of paget door.

纸艺纸品的类型很多，有形态逼真的手工艺花，有质感突出的立体画，还有雅致细腻宛如蕾丝的帕吉门纸画。

And then, this paper presents an algorithm of computing the left inverse or right inverse for these special rectangle matrices. In thenormal algorithms for solving these problems, we need O(m2n) multiplications ordivisions. The algorithms in this paper only need O + O(n2) multiplications ordivisions. The paper is built as follows.

常规的计算m×n阶不相容线性方程组的极小范数最小二乘解的算法所需计算量为O(m~2n)，而本文根据特殊矩阵的特殊结构，通过两种不同的构造方式给出了两类不同的计算极小范数最小二乘解的快速算法，并给出了求特殊矩阵的左逆及右逆的快速算法，它们的计算量均为O+O(n~2)。

The stylist that manages school building according to this paper, Japan is famous architect slope luxuriant introduction, paper of Hua Lin elementary school is in charge of school building to use paper tube to regard a structure as roof tuss, wall body is ligneous material, integral plan has the environmental protection, comfortable safety, character that assembles easily.

据该纸管校舍的设计师、日本闻名建筑师坂茂介绍，华林小学纸管校舍采用纸管作为结构屋架，墙体为木制材料，整体方案具有环保、舒适平安、易于组装的特性。

The main management's product has, the pure limewater paper request, Huang Jiangzhi the request, the mortar paper holds and so on different color the paper to hold the product.

主要经营的产品有，纯白浆纸托，黄浆纸托，灰浆纸托等不同颜色的纸托产品。

The innovations of this paper are as follows:First, the paper has realized to study on the dependence relations between random variables based on copulas, an instrument which is used in this paper as an innovation, in terms of determining the nature and quantification, resorting to the descriptions of dependence properties and association strength and, by way of which, broke through the limitation of study with only depending on independence and linear dependence.

本文的创新点集中体现在三个方面：首先，以Copula为基础，通过对股票市场间的相关关系的强弱描述，从定性和定量两方面来实现对尾部相关性的研究，从而突(来源：7b9bA2bBC论文网www.abclunwen.com)破了目前依赖于独立和线性相关，这仅有的两类相依关系的局限。

Paper puts forward the method of read DICOM field in term of sequence, reduces the time of read DICOM file in order to mend the arithmetic efficiency of read DICOM file information. Paper introduces two concept, slope and shift, reduces the linear interpolation function of VOI LUT (Value of Interest Look Up Table), and uses the way of make real number operation into integer operation to simplification the linear map function, thereby makes the image zoom speed up. Paper depicts the class and function of image measure and label particular at last, and analyses actualize step of the operation of measure and label.

论文提出严格按照顺序读取DICOM字段的做法，尽量减少访问DICOM文件的时间以加快读取DICOM文件信息的算法效率；论文中引入斜率和偏移量这两个概念，简化了VOI LUT转换的线性插值函数，并采用将实数乘除转化为整数运算的方法简化线性映射函数，从而加快了图像缩放的速度；论文最后详细描述了图像测量和标注用到的类和函数，并分析了具体的测量和标注操作的实现步骤。

The second section:(1) A new kind of paper for LOM is developed by changing the prescriptions of hot molten glue, and properties of the new paper are as good as those of LOM paper from the U. S. A.(2) The testing methods and items for examining the properties of LOM raw materials are provided first of all.

第二部分：对LOM原型材料中的热熔胶进行了改性研究，开发成功了一种与美国进口LOM纸性能相接近的LOM纸，基本解决了LOM叠层材料国产化问题，并首次提出了LOM原型材料性能的测试指标和测试方法。

Paper in magnetic patterns, pulp to join jiseizai powder, when paper pulp and magnetic powder is closed at magnetic Board shapes implantation magnetic anti-false paper, magnetic powder be 200 screen, and it should also be stain.

在成纸中有明显的磁性图案，纸浆中加入磁性材料粉末，当纸浆和磁性粉末就按磁板图案的形状植入磁性防伪纸中，磁性粉末，应经过200目筛，并还应染色。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。