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Many shipping companies import productional maintenance management information system with a high price from other nations, or through co-operation with domestic software companies to develop their own shipping maintenance management information system.

开发任何一个船舶机务管理信息系统都必须与其对应的航运企业管理模式相匹配,同时,又能充分考虑到企业未来的发展,唯有如此,才能使开发的系统具有生命力。

This represents great progress for multimedia compression techniques. Following the successes of system debugging, this dissertation also develops the system software and function library, especially the development of the IIC serial bus monitor program which can overcome the IIC controller's bug on successive operations, thus enhancing the performance of system reinitiation between frame compression operations.

结合系统平台的硬件特点,本文对多媒体软件开发和库函数的建立作了大量研究工作,特别开发了IIC串行控制总线的监控软件,弥补了IIC硬件控制器不能连续操作的缺点,使得系统初始化和帧间编码控制速度大大提高。

This letterpress introduce in Visual Basic6.0 circumstance adopt "from above to below collectivity layout,from bottom to top application development" maneuver empolder this system particular process,advance implement library information manage and resource sharing base directory, and expatiate system architecture design and functional design. since books are put in storage to demand and browse and since library card extend to books move,form the all and the one robotization manage mode,from software engineering angle carry through science and preciseness expatiate.

本文介绍了在Visual Basic6.0环境下采用&自上而下地总体规划,自下而上地应用开发&的策略开发本系统的详细过程,提出实现图书馆信息管理、资源共享的基本目标,并阐述系统结构设计和功能设计,从图书的入库登记到查询浏览,从借书证发放到图书的借阅,形成了一个整体自动化管理模式,从软件工程的角度进行了科学而严谨的阐述。

Aimed at this stative, an expert system of general electric switching operation was designed, which adopts these methods which establish a virtual substation and construct the models of facilities.

针对目前已开发出的电气倒闸操作票生成系统仍存在某些缺陷的状况,开发出了一种通用型电厂电气倒闸操作专家系统。

The holistic design of the system and resolved the designs of software and hardware based on VXI bus are put forward according to the demand of test system. The hardware and software is designed, including the formation and design of hardware system, visual instrument software architecture, program design for instrument driver, high speed real-time data collection. In the dynamic test program, the idea of"software is instrument"was applied to meet the diverse test demands. Last, it is proposed that the VXI test system be developed to more totalization and networked. The basic theory of system identification was introduced briefly at first. The principle of spectrum analysis system identification based on Wiener-Hopf equation was expatiated. and the questions in applying Peusdo Random signal as spectrum analysis methods stimulate signal was studied, The generation principle of the peusdo random signal is researched, the characteristic of peusdo random are analyzed from time domain and frequency domain, the inverse repeat peusdo random signal is brought forward to make up the shortage of ordinary peusdo random signal. And a new chaos genetic algorithmis presented to solve the unprecise problem of the traditional method. In the servo valve dynamic characteristic test system, the spectrum analysis methods was applied successfully, the servo valve dynamic characteristic could be acquired rapidly and exactly, the test results were analyzed and the ameliorate methods were brought forward at last.

结合航天某集团液压测试中心测试系统的需求,提出了基于VXI总线的液压测试系统的整体设计方案,完成了测试系统的硬件设计与软件设计,包括硬件系统构成与设计、虚拟仪器软件结构、仪器驱动程序设计、高速同步实时数据采集等内容;以伺服阀动态特性测试为例设计了测试模块,该模块体现了VXI总线仪器软件开发所倡导的&虚拟仪器&的思想,以软件的灵活应用满足了不同的测试需求;结合自动测试系统的发展,研究了VXI测试系统与网络技术结合,实现各种软硬件资源共享,进一步提高设备及数据的利用率和系统的扩展性,使自动测试向综合化、网络化方向发展;研究了伪随机信号作为谱分析法辨识的激励信号时存在的问题,讨论了伪随机信号的产生机理,从频域和时域分析了伪随机信号的性质及其应用,提出了用逆重复伪随机信号弥补了普通伪随机信号的不足,并以混沌遗传算法对逆重复伪随机信号产生过程中的参数进行优化,可以更合理而不是凭经验产生需要的逆重复伪随机信号。

At last, the paper discusses distortion detection methods of Magnetically Suspension Train project. With VisualBasic6.0, we opens out naturalization layout and precision assessing software which can compute layout data and assess precision well and truly to guide construction layout conveniently. Thus, the efficiency of work can be heightened. Opening out distortion inspect and analyze software, can ascertain base's settlement, peg tip' distortion and the movement of tramroad girder's plane position in course of construction and using. This can provide bases to later alike projects.

本文在VisualBasic6.0环境中开发的磁悬浮工程归化法放样与精度评定系统软件,在施工放样阶段能比较方便、直观、准确地计算出放样数据并进行精度评定,以指导现场施工放样工作,可以大大地提高工作效率;开发的变形监测与分析系统软件,可以在施工过程中以及工程运营期间对整个工程进行变形监测处理,用以确定基础沉降和桩顶变形以及轨道梁平面位置的变化,从而可以为以后的同类工程建设提供依据。

Based on the aerocraft ATS, the technologies of transplantability and reusability of TPS were in practice. The theory of state machine was introduced to LabVIEW, which realized the reusability of test software, enlarged the ATS's applications, increased the developing efficiency and decreased the developing cost.

以飞行器自动测试系统为背景,对TPS的可移植与可重用技术做了工程实践,把状态机理论引入到图形化编程语言LabVIEW,使之实现测试软件可重用性,能扩大测试系统的应用范围,提高开发效率和降低开发成本。

The VSCF DFIG wind power generation is transient response proceeding, which is influenced by operation characteristics of generator before and after grid connected. A novel S-Function is adopted to describe the mathematic model of DFIG based on state equation. A complete simulation model of VSCF DFIG wind power generation system based on MATLAB/Simulink and SimPowerSystems is established, which can be used to not only simulate subsystems of no-load operation and generation operation, as well as can be used to but also accurate control parameters of DFIG in simulation. The simulation model have excellent transportability, and can be used DFIG of different power rated if only design relevant controller.

变速恒频双馈电机风力发电是一个受并网前后发电机运行状况影响的暂态过程,利用MATLAB的S-Function编写DFIG的仿真程序,然后结合Simulink和SimPowerSystems工具箱,开发了基于S-Function的空载运行和发电运行的变速恒频双馈电机风力发电子系统模型,在仿真过程中可对双馈电机进行精确控制,然后对其进行了系统整合,本文开发的模型具有可移植性,只要再设计相应的控制器,就可应用于不同功率等级的双馈电机风力发电系统。

This thesis focus on the introduction and analysis of two advanced software in this field: Onyx Treemaker and Visual Nature Studio. This thesis studied topics about theory, application and programming of forest landscape visualization technique. Also a structure of forest landscape visualization system is issued. And the programming of image transparent, which is one of the key techniques of visualization, is carried out during the study of this thesis.

本论文的研究以引进国外行业内的先进软件为中心,包括理论、应用和开发三个方面,对 Onyx Treemaker 树木造型软件和Visual Nature Studio景观仿真软件的建模方法、绘制技术、使用方法等进行剖析,针对森林景观可视化的需求提出一个可视化系统的功能框架,并对系统中的一个关键技术一图像的透明消隐技术进行了开发。

The geology research of carbonate reservoirs in Ordovician of Tahe oilfield showed that many large dissolved vugs and fractures were developed. The spread of the reservoir take on a very heterogeneous state. And the typical fractured-vuggy reservoirs was formed. According to the combination of the various spaces, the formation was divided into vuggy formation, fractured-vuggy formation and fractured formation. The research showed that development of the vug is relevant to the its position on the structure, the fractures, the water surface and the weathering surface. Multi-phase charge and recharge of the oil in the reservoirs resulted in the complexity of the fluid distribution. So the"Bottle Model"was brought forward to explain the movement of the water-oil contact. The special storage space and the complex fluid distribution lead to the unstability of the production and the complexity of the water cut. In order to explain the characteristic of the fracture-vug unit was brought forward and the basic principle and method of the partition of the fracture-vug unit was formed. The classification and evaluation of the units were performed according the reserve and energy. Based on the research of geology characteristic and the fluid flow in the reservoir the comprehensive numerical simulation plan of the fractured-vuggy reservoirs were established. Through the selection of the simulation unit, fluid flow type and parameter equivalent the triple media reservoir simulation model was established. Considering the practical application the model was resolved by the DKR decomposition conjugate grads method. Based on the fine reservoir description of Dsitrict IV of the Tahe oilfield the various space type were classified and combined together. The geology model of Unit S48 was constructed. Two typical single well model was established according to the geology and the dynamic phenomena. Finally the single well model and the Unit S48 were simulated by the triple media reservoir simulator. Via the local grid refinement and coarsening in the simulation good matchs were gained. Based on the results of the simulation the reserve distribution, percent of reserve produced in various space and the natural energy were analyzed. The fluid was storaged in the fractures and vugs mostly and more than 90% the produced oil came from the systems. The energy belonged to the active one. The results of simulation accorded with the fact and showed the validity and practicability the research and the simulator.

塔河油田奥陶系碳酸盐岩油藏的地质研究表明,其储层中发育着很多大型的溶蚀洞、缝,储层的平面展布呈现出极度的非均质性,形成了典型的缝洞型碳酸盐岩油藏,根据各种孔隙介质在储层中的组合,将储层分为了溶洞型、裂缝-溶洞型和裂缝型三类;研究表明溶洞储层的发育和构造位置、裂缝的发育、潜水面和风化面的位置等因素有关;多期充注的油气成藏模式导致了流体复杂的赋存状态,由此提出了所谓的&瓶子模型&,解释生产过程中油水界面的变化;特殊的储集空间类型和流体分布特征导致油田在开发过程中表现出很大的不确定性和含水变化的复杂性,为了合理的解释油气田开发过程中的动态特征,提出了&缝洞单元&的概念,并制定了&缝洞单元&纵横向划分的基本原则和依据及划分方法,并对&缝洞单元&进行了分类和评价;基于地质特征和流体在其中流动规律的研究,提出了缝洞型碳酸盐岩油藏的数值模拟综合解决方案,通过模拟单元的选择、流动类型和参数的等效,建立了三重介质油藏三维三相数值模拟模型,采用不完全LU分解预处理共轭梯度法进行了求解;在塔河油田4区精细油藏描述的基础上,将各种类型的孔隙空间进行了归类组合,建立了S48单元的地质模型;通过对油井生产动态进行分析研究,建立了两类和油井地质、生产动态相对应的单井模型;最后应用三重介质油藏数值模拟软件对单井模型和S48单元进行了数值模拟,通过局部加密和粗化等技术模拟流体流动规律,取得了很好的拟合效果;结合数值模拟结果,分析了各种介质中的储量分布、储量产出的百分比以及地层的能量,认为塔河油田缝洞型油藏中流体绝大多数储集于缝洞系统之中,所产出流体90%以上也来自于缝洞系统,其底水能量属于较充足的类型;模拟结果和油田实际情况符合较好,说明了地质研究和油藏数值模拟研究的正确性。

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