【作者】 马海民；

【导师】 党建武；

【作者基本信息】 兰州交通大学 ， 交通信息工程及控制， 2009， 博士

【摘要】 随着信息技术的发展和应用,我国现有的各类铁路信息系统暴露出信息资源综合化开发利用率不高,大量制式数据的闲置,而数据本身所蕴含的时空信息被忽略,信息系统对铁路的企业化行为支持不够等问题。建立融合各类原始数据、开发利用其蕴含的时空特性,提高对铁路的企业化支持的信息系统,是铁路信息化发展的趋势和目标。本文通过对我国铁路已运行和在建的郑西、武广、京津等高铁深入调研的基础上,以高速铁路中的通信、信号中的设备和线路所构成的网络资源为研究目标,对该类网络资源完成了其时空属性分析和描述,采用面向对象技术和UML的建模手段,完成高速铁路网络资源时空GIS,以兰州铁路局网络资源管理为工程原型,实现了基于本文研究成果的GIS服务系统,该系统已成功运用,为高铁网络资源GIS的进一步完善提供了有利条件。本文首先提出高速铁路资源信息的层次模型的有关结构,并完成对于铁路信息共享与处理的层次需求和分布结构的描述,包括铁路内共享、路外共享和决策支持信息共享；完成在纵向和横向上的完成逻辑关系分析和模型定义,建立铁路信息共享与处理的整体模型。结合铁路信息化发展的总体趋势,讨论了GIS和时空理论在铁路资源管理中的必要性和可行性,并以GIS理论和时空理论为基础,提出基于事件驱动的高铁网络资源时空GIS,建立高铁网络资源基本概念模型,该概念模型是对高铁网络资源一体化管理的抽象表达。采用UML建模方法,以事件驱动和动态建模的思想为指导,依据对数据组织中对象定义、图层关系及数据库定义,完成了对构建了网络资源静态结构模型、动态行为模型和时态行为模型。通过对网络资源GIS的业务分析,抽取其核心事件并进行了编码,完成了对网络资源空间对象以及部分虚拟时空对象进行了定义和组织。最后以兰局网络资源时空GIS作为本文研究内容工程实现和验证,介绍了其GIS的模型建立与系统实现。更多还原

【Abstract】 With the application and development of information technique, the limitations on the present information systems of China railway are exposed. These limitation include that the information resource can not be integrated and reused effectively, a mass of formulary data are laid aside, the temporal and spatial information is ignored, and information systems for railways can not provide effective support for train transportation. To construct an integrated information system, utilize spatiotemporal property, advancing decisions supporting ability, can be the railway informatization trends and objectives.Based on the research about China high-speed railway, such as Zheng-Xi line, Wu-Guang line and Jing-Jin line etc, the paper makes the networks resource as the research objective, complicates its spatiotemporal property analysis and description. The paper uses Object-Oriented technique and UML method to complicate high-speed railway networks resource spatiotemporal GIS, and implements resource management model for Lanzhou Bureau based on research on GIS, the novel networks resource GIS has been implemented, and can benefit its application effectively and quickly.Firstly, the paper proposes the relative hierarchical structure model of high-speed railway information resource, and completes hierarchical requirements and distributed architecture for railway information sharing and processing, which includes information sharing inside railway, outside railway and for decisions supporting. The paper completes a whole model for railway information sharing and processing by implementing horizontal and vertical logical relation analysis and model definition. According to railway informatization trends, the paper discuses the necessity and feasibility of GIS and spatiotemporal theory, and proposes high-speed railway networks resource GIS model, which is driven by events, constructs basic concept model of high-speed railway networks resource, this concept model is abstract expression about networks resource. UML is used as the modeling methods, and events-driven and dynamic model is used to design. According to definitions about object, graphic layer relation and database, the paper constructs networks resource static structure models and dynamic behavior models. Based on analyzing networks resource business flows, the paper completes spatial objects and some virtual spatiotemporal objects definition and organization, which is implemented by kernel evens extracting and encoding. Lastly, the paper presents the engineering implementation for the Lanzhou Railway Bureau networks resource based on the research contents.更多还原