控制理论

Analysis on the major structure and control parameters affecting the performance of the solenoid valve, so as to provide theoretical basis for working out its structure design and control method.

3对影响高速电磁阀性能的主要结构参数和控制参数进行了分析，为电磁阀的结构设计和控制方法的拟定提供了理论依据。

We are trained as senior engineering technicians with the knowledge in anti-pollution of water, gas, sound, solid waste, pollution control, water supply and drainage works, water pollution control and planning and protection of water resources for cities and towns, who are able to be engaged in the aspects of planning, design, management, education, and research and development for environmental engineering.

本专业通过学习物理化学、工程力学、工程制图、微生物学、水力学、环境监测、固体废弃物处理与处置、大气污染控制等环境工程学科的基本理论、基本知识，培养具备城市和城镇水、气、声、固体废物等污染防治和给排水工程、水污染控制规划和水资源保护等方面的知识，能从事规划、设计、管理、教育和研究开发方面工作的环境工程高级工程技术人才。

Then we will show how the SOX and Chinese laws regulate the issues on internal control.

接着，从理论界的层面谈了内部控制的理论框架，并进而结合自己的专业讨论了会计的监督职能在公司内部控制建设方面的作用。

At first, configuration method of stabilization of LOS and survey of development of AOEP in the world are summarized in this paper, and then principal of how movement of airplane can be isolated by a two-axis-platform is analyzed theoretically. Requirements of stabilization of LOS to servo system are put forward. It provides the basis of theory for designing servo system.

本文首先概述了国内外光电平台的结构和视轴稳定方法以及光电平台的发展概况，介绍了常用的稳定与跟踪控制方法；进而从理论上分析了两轴光电稳定平台隔离载体角运动的原理，总结并提出了视轴稳定对伺服系统的性能要求，从而为伺服系统的设计提供了理论依据。

As for the establishment of stochastic input-output models and the derivation of related theories, there are three points to be mentioned: firstly, the theoretical basis on which the ultimate requirements must comply with the index movement is given; secondly, the output control model is offered, which is based on the idea that the ultimate requirement is an index stochastic variable.

在随机投入产出模型的建立和相关理论的导出方面。一是给出了最终需求量服从指数分布的理论依据；二是提出了基于最终需求为指数型随机变量的产出量的控制模型。

First, a few methods of fatigue experiment, the structure theorem of thefatigue experiment machine and some basal conception and theorem are assaiedideally.

首先，从理论上分析了几种疲劳试验方法，以及疲劳试验机的结构原理和计算机控制的一些基本概念和理论。

Based on the surjection of maximal monotone operators, we prove that some semilinear heat equations with weak Lipschitz nonlinear terms are exactly controllable by L〓 0, T: H〓(Ω control; Based on the critical point theorem of coercive convex functionals, we prove that some parabolic equations with Lipschitz nonlinear terms are globally approximately controllable and finite-dimensional exactly controllable by controls acting on mobile supports, and finally, we extend the results to parabolic equations in R〓.

首先利用极大单调算子的满射原理证明了半线性热方程在较弱Lipschitz条件下可通过L〓0.T；H〓(Ω控制实现精确能控。然后通过构造强制凸泛函并利用其临界点理论证明了带Lipschitz非线性项的抛物型方程可通过作用在在移动支集上的控制来实现整体近似能控与有限维精确能控，最后将整体近似能控与有限维精确能控结论推广到无界区域R〓上。

In the numerical study, the governing equations of flow and heat transfer in 3 —D body—fitted curvilinear coordinate system being automaticly generated with TTM method were deduced by means of vector and tensor analysis. These equations were dliscreted with nonstaggered grids providing relative elimilating method for the pressure oscillation was domonstrated.

在数值分析中，借助于矢量理论和张量分析，导出了具有普遍意义的三维任意曲线坐标系下的流动传热控制方程，并利于TTM方法生成了计算域的贴体曲线坐标网格；在数值离散过程中，尝试了用非交错网格离散的方法并解决了压力场振荡的抑制问题；运用附面层理论，阐述了壁面函数法在三维任意曲线坐标系上的应用。

The conclusion of this article makes a theoretic foundation for the design of control systems.

这一鲁棒边界的确定，对确保工程控制中的计算机控制系统的稳定性提供了理论上的依据。

Experimental results show that the experimental curve matches well with the theoretical curve, and genetic algorithm and neural network controller can control the 5-DOF finger exactly in real-time.

实验结果表明，手指指尖的运动实验曲线与理论曲线比较接近，说明采用遗传算法及神经网络控制能够实现对五自由度手指的较精确实时控制。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。