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Study On Containers Transport Organization Between Railway Network Container Freight Stations

Posted on:2005-02-06Degree:DoctorType:Dissertation
Country:ChinaCandidate:H F YanFull Text:PDF
GTID:1102360152965811Subject:Transportation planning and management
Abstract/Summary:PDF Full Text Request
The superiority of containerized transport has already got generally acknowledging, that leads to a reform occurring in freight transportation field. Yet the greater disparity still exists when comparing the containerized transport mode of our country with abroad ones and other transport ways. Such being the case, it becomes very essential to gradually improve the requirements for transportation and to quicken the development of container transportation network. However, the key point to realize the radical conversion of the railway containerized transport lays in the construction of the railway network container freight stations (RNCFS).The study on containers transport organization between RNCFS counts much for guide of the design, construction, and operation of the RNCFS. The thesis takes theoretical research as the core, references the outcome of the past research and adopts the systematic view and analogy method, with applying such correlative theories as transport organizing, dispersed mathematics, optimization theory and systematic science, etc. to study deeply on the parameters and models relevant to containers transport organization between RNCFS. The contents of the thesis include the following several aspects mainly:(1) Through an analysis of organization forms of domestic and international containerized transport and the combination of concrete function and operation procedure of RNCFS, the transport organization mode and principle the block container train(BCT) being arranged between RNCFS are confirmed. Furthermore, on the basis of the thorough analysis of structure, function and characteristic of the railway organization network, puts forward the meaning of passengerized transport organizing of BCT organizing as well.(2) On the basis of analysis and reference to the optimization model of wagon flow routing, a multi-objective 0-1 programming model is established to deal with the loaded container routing, and at the same time, DBFS and GP as solving method are selected after the researchand analysis of relevant algorithm.(3) Employing relevant theory of stochastic process to analyze the accumulation process and describing arrival course of container as a typical mark value counting process, the thesis establishes the corresponding theoretical foundation for the research on functional relationship of container accumulation loss and relevant statistical parameters, in addition to draw calculation formula of accumulation loss.(4) Through analysis of the number of BCT, it has been concluded that whether container flow is loaded or empty won't affect the number of BCT. The corresponding calculating method is confirmed through the systematic analysis of the relevant factors influencing the time loss of detention in transit.(5) On the basis of analyzing and utilizing the existent classification planning model, the thesis describes its abstract mathematic structure and builds an optimization model for BCT scheduling. And then, after analyzing the adaptability and validity of relevant algorithms emphatically, brings forward the thinking solving the model with GA. Thus, the optimization model is turned to BLP suitable for GA and the cooperation multi-colony GA is designed to fit in with the peculiarity of the model, and at the same time, the complexity of the algorithm got analyzed.(6) To meet the consistency requirement of the loaded and empty BCT routing, the analysis of the disadvantages of the present empty transportation shunting model is carried and cooperated optimization model that blends empty container with loaded container routes is built. The solving strategy the thesis adopts is to transform the model into the second coupling feedback system or the second series feedback system with the use of systematic simulation means.(7) Through analyzing of the function and operating procedure of the container regional station, lays the three different form of container transport within the range of RNCFS pivot. In the end, the principle...
Keywords/Search Tags:railway network container freight stations, block container train, transport organization, model, algorithm
PDF Full Text Request
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