结构工程

In accordance with the acting mode of the actuator in aerospace control engineering,and based on infinite dimensional model of the system,a kind of simple and easily implemented variable structure control law is presented.

针对航天控制工程中执行机构的工作模式，基于系统的无穷维模型，本文设计了简单易行的变结构控制方案，并证明了相应的闭环系统的渐近稳定性。

Based on the actual experience, discusses how to decide the rational height of the infra-red radiation detector in the huge span steel-building, and it also talks about some advice to the current codes.

结合实际工程实例，阐述在大跨度钢结构建筑中如何确定红外光束火灾探测器的设置高度，并针对现行国家规范相关条文提出建议。

According to Finite Element Method, the torpedo is considered as a discrete mass system in terms of 3D solid element with initial velocity.

结合具体工程实例的计算，说明了有限元技术在结构响应仿真分析中的可信度和优越性。

Gray stystem theroy is a new way of thinking and methods about the quality management and control by transfer theroy and probability distribution theroy controling means in the pavement smoothness construction control. Acoording to actual state, different constructors could erect homologous pavement structrue smoothness interlamination transfer models using transfer theroy, and carry out pavement smoothness construction control, it comes to obvious effect in actual application.

本文通过施工过程中的平整度传递和概率分布规律，利用灰色理论对路面平整度的质量管理和控制提出了新的方法和思路：根据工程实际情况利用传递规律的原理建立相应的路面结构平整度层间传递模型，并据此对路面平整度的施工进行控制，对施工平整度的控制起到指导作用。

The tradition method for highway reconstruction adopts to excavate all old asphalt pavement and structure level. It not only may waste much money and time, but also need to intermit the traffic for long time.

传统的道路养护修补方法采用全部挖除旧沥青路面和旧结构层的做法，不仅工程造价高、施工工期长，而且需要长时间中断交通。

I'd say to yes, because it is well structured, certainly above of the average standards found in this field, and it also has an internal engineering division on hand.

我不得不说满意。因为这个船厂的结构很合理，而且在这个领域它显然超出平均水准。另外它还有一个内部的工程技术部门。

Interval analysis method is mainly used for engineering structures with interval properties.

本文针对当前区间分析方法中的热点和难点进行了研究，并将其应用于工程结构计算中。

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。

Based on theory of involute gear design and the requirement of project, the system structure is proposed and several key technologies in develpoment process is exlpained.

在深入分析渐开线圆柱齿轮传动设计理论的基础上，根据工程实际应用的需要，设计了齿轮传动模糊优化系统的总体方案，给出了该系统的体系结构及需要开发的功能模块。

How to mine useful knowledge from massive, distributed, isomerism, half structurized, dynamic Web data becomes the new task of the data mining and the engineering research.

如何从这些巨量的、分布的、异构的、半结构化的、动态的Web数据中发现有用的知识是数据挖掘和知识工程研究面临的新课题。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。