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Research on Auxiliary Schedule Generation Technology and Methods

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Tutor: WangRenChao
School: Tianjin University
Course: Hydraulic Structure Engineering
Keywords: Project,Schedule,Network schedule,Automatic generation
CLC: TU722
Type: Master's thesis
Year:  2012
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The network schedule has been widely applied in various industries due to theadvantage of shortening the construction time, improving working efficiency andreducing the cost. However, there still exist quite a few problems in use such as theunreasonable segregation of items in the applied network schedule, undefined logicalrelationships, disordered project encoding and so on. Developing network schedulehas become knowledge-intensive work because it not only needs overall arrangementsof different technical processes but also integrates the construction methods,equipment and resources investment of all the parts in the project. On the other hand,at present the world’s most popular project management software such as PrimaveraProject Planner (P3) and Microsoft Project don’t provide corresponding auxiliarygenerating methods. Therefore, from the1980s several universities started theresearch of methods about auxiliary generating the network schedule, including theEngineering Center of MIT, Changwon National University and Construction,Economic Research Institute in South Korea and Bauhaus-University Weimar inGermany. But all those methods and models have their own disadvantages.According to the related research in this field both inland and abroad, this articlefirstly analyses the necessity of automatically generating the network schedule, thenmakes a comprehensive comment on the related methods and models at present anddiscusses the existing problems. It puts forward a method to convert a Gantt chart to anetwork chart with the CBR method.In order to achieve these goals, the thesis conducted the following aspects ofwork:(1) Information extraction. After Standardized identification and conversion ofthe Gantt chart, extract the information contained in the Gantt chart project, includingthe project name, start time, finish time and so on.(2) Case retrieval and matching. This part includes the establishment of a waterconservancy project case base, the initial screening of the base as well as the methodof fuzzy clustering.(3) Automatic generation of the network schedule. With the logical relationshipobtained according to the case from the case base and the information extraction fromthe Gantt chart generate a network schedule.Finally, this thesis examines the running condition of the developed software based on the example of AHai project and proves its several advantages as follows:(1) Universal applicability. Even the staff unfamiliar with the relevant knowledgeof network schedule will operate this software easily.(2) Saving time and effort. With the information from the Gantt chart and thecase base, this software will save the time used for planning the network schedule.(3) Reasonable and reliable: This method has been proved to be reasonable andreliable to plan the schedule network which accords with its general principles.
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