软件工程

It introduces a kind of novel loading test system, based on the operation principle of damper. this loading system is operated by the driving motor. it realizes the loading, in that the damper has a negative drive force that puts on the motor. Based on the ordinary electromagnetic damper, the thesis presents a novel hybrid excitation electromagnetic damper which has adjustable work characteristic, analyses the working principle and structural feature of the electromagnetic damper, deduces the formulas to calculate the eddy current density through the Electromagnetic theory, analyses the distribution of the eddy current in the cotyloid rotor, and also studies the method of calculating the damp torque, establishes the mathematical model of the electromagnetic damper, analyses the relationship between the electromagnetic damper structural parameter and damp torque, researches the engineering design and analysis method of the electromagnetic damper, provides theory foundation for the design and analysis of the electromagnetic damper, contrives a hybrid excitation electromagnetic damper that satisfies the target request, designs a set of compound excitation electromagnetic damping loading control system whose control core is AT89C51 monolithic integrated circuit, analyses the electric circuit part, and carries on the experimental test to this set of electric circuits. Finally it debugs this electromagnetic damping loading system, this system satisfies the target request proposed.

论文提出了一个全新的加载测试系统种类，该加载系统是在阻尼器工作原理基础上，利用电动机拖动阻尼器运转，从而阻尼器产生一个与运动方向相反的阻尼力矩，该力矩作用在电动机上实现对电动机加载测试；同时，论文在一般电磁阻尼器基础上提出了一种新型的可调式复合励磁电磁阻尼器结构，该种阻尼器的工作特性在一定范围内可进行调节；论文分析了电磁阻尼器的工作原理和结构特点，运用电磁场理论分析推导了电磁阻尼器的涡电流密度公式，分析了涡电流在转子杯内的分布图，并对阻尼力矩计算方法进行了研究，建立了电磁阻尼器的数学模型，分析了电磁阻尼器结构参数和阻尼力矩之间的关系，对电磁阻尼器的设计和分析方法进行了研究，为电磁阻尼器的工程设计建立了理论基础；设计了满足技术指标要求的复合励磁电磁阻尼器和一套以AT89C51单片机为控制核心的复合励磁电磁阻尼加载控制系统，对该控制系统硬件电路各部分进行了分析和设计，对软件进行了设计，并对控制电路进行了试验调试，该系统满足所提出的加载指标要求。

On the basis of analyzing the characteristics of new typed FA planetary transmission of cycloidal needle-wheel, a set of force bearing analysis theory of tooth surface with the modification of tooth profile of cycloidal gear was put forward.

在分析FA新型摆线针轮行星传动特点的基础上，提出了一套摆线轮齿形修形下的齿面受力分析理论，并采用MARC工程软件对针齿和摆线轮齿面的接触状态进行了有限元分析，结果证明了受力分析理论的正确性。

By using of finite element analysis software ANSYS and taking the power transmission line crossing over the Pearl River as the background of research, under the condition that the viscous-damper energy dissipater and Tuned Mass Damper are arranged or not on the transmission tower, the displacement and the acceleration of the tower are compared and analyzed under the three-dimensional earthquake waves.

利用有限元分析软件ANSYS，以跨越珠江的输电线路工程为研究背景，在输电塔上布置粘滞消能阻尼器和调谐质量阻尼器(tuned mass damper，TMD)，对比分析了在三向El-Centro地震波作用下有、无减震控制措施的输电塔位移和加速度地震响应。

In my work with Elance Online -- an online marketplace that helps small businesses outsource almost any type of project - I've talked with dozens of buyers who have successfully outsourced projects as diverse as administrative support, business strategy, graphic design, web design and development, writing and even software development.

在 Elance Online 网站中，小型企业可以外包所有工程。我曾经在此网站中与多位外包服务买主进行交谈，他们享受的服务包括制定管理措施、规划经营策略，制作图片、制作或开发网站、制作软件等。

By means of numerical simulation software 2D-σ for geotechnic engineering,this paper analyzes the effect of bolt grouting support in soft rock roadways .

采用岩土工程数值模拟软件 2D -σ，对软岩巷道锚注支护效果进行了数值模拟研究。

A software based on this model has developed and been used in the design of 5 vapor heaters in the large granulated urea project.

提出了以风侧流阻最小为目标函数，传热负荷与迎风面尺寸为约束条件的双金属翅片管换热器优化设计模型，并开发出了相应的设计软件，成功地进行了在尿素大颗粒工程中五台蒸汽加热器的优化设计。

In addition, this paper analysis a engineering example which refer to the treatment of soft foundation at east part of Hainai express way. The rusults of the calculation and the field observation are in good agreement, which shows that the analysis model is good.

另外，本文利用MARC软件及前面的定义模式分析了海南环岛东线高速公路软基处理的工程实例，并与现场实测资料进行比较，结果基本一致，表现了本文分析模式的适应性。

Ypack is a navigation and position system for marine survey,which supports many hydrographic survey devices.

YPACK综合导航定位系统是广泛应用于海洋工程水下地形地貌测量的数据采集和处理软件，它支持多种定位设备和测深设备的数据采集和处理。

In the process of optimization design using ANSYS, the Optimized circulation may be intermitted because of some problems in modeling, Meshing, selecting design variables, state variables and objective functions, and optimized method.

引言应用工程优化设计软件进行结构分析[1～2]和优化设计[1，3]，可大大提高结构设计人员的工作效率，减轻结构设计人员的工作强度，是结构设计人员应具备的一项基本技术。

With Keryx you create a "project," or what is essentially a snapshot of the offline machine's installed packages.

使用Keryx，你创建一个&工程&，或者说本质上是一个离线机器上已安装软件包的快照。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。