Integrated Test Oriented Research On Multi-attribute Interface Management Of Metro Equipment Engineering

Metro construction in China is fast developing in recent years.As with the improvement of automation in metro equipment engineering,the number of physical interfaces between sub-systems has increased dramatically.Integrated test has become more and more important and interface issues play a vital role in the system final acceptance.However,the lag on integrated test management,the single-attribute of interface matching,the lack of common values among multi-disciplinary participants under status quo delivery methods,the lack of interface management(IM)experience of the owners have led to the poor technology for interface management,the fuzziness of responsibility interfaces and difficulty to clearly define and track them.IM is a very new topic in many industries and no study currently exist to assist the owners and contractors of various sub-systems in matching the multi-attribute interfaces from the view of integrated management.This dissertation brought up an integrated test oriented framework of multi-attribute integrated interface management.The framework is established based on IM theory,integrated management theory and IT theory according to the character of metro equipment engineering and project management requirement.Moreover,this dissertation constructed a novel multi-attribute integrated interface model(IIM)and introduced an interface conflicts coordination mechanism.To verify the theoretical analysis,a web-based integrated interface management system was developed and described at last.Firstly,based on project documents,expertise and literature reviews,this dissertation brought up integrated test oriented framework of multi-attribute integrated interface management to reveal the basic line.It raised problems in traditional workflows and put forwarded the definition,target and details of "integrated test oriented interface management during the whole construction period".Then,it recognized the four attributes of interfaces in metro equipment engineering,analyzed their inner relationship and summarized the implementation of multi-attribute matching path.The framework integrated ways of interface recognition,matching,control and coordination.Furthermore,it also reconstructed the workflow of integrated test based on the key elements of interface management and integrated the key points of integrated test process control.At last,the framework integrated the development target of the web-based integrated interface management system on the application layer.Subsequently,based on the framework,this dissertation presented multi-attribute integrated interface model and introduced an interface conflicts coordination mechanism.Multi-attribute integrated interface model extracts interface information from scattered technical documents and then identifies,classifies and expresses the interface information again through structured and standardized format.Besides,the model proposes approaches to calculate the exact value of matching degree for technical interface and to track responsibility interface information during the whole construction stage.The application of a platform is introduced to verify the model.Then,this dissertation discussed Interface Value for the core players to understand the value-driven behaviors on the boundaries among owner and multiple prime contractors in complex construction projects.Value Optimization Strategy is proposed under status quo delivery methods by adjusting and reallocating interface responsibilities between related contractors.Prospects of integrated project delivery(IPD)in eliminating interface conflicts are also discussed.It concludes that Value Optimization Strategy and IPD-based approach are expected to eliminate interface conflicts of complex construction projects,integrate the complex supply chain and lower the potential risks for project delivery delay and cost overrun.At last,according to the comprehensive research above and user requirement analysis,the dissertation developed a web-based integrated interface management system which integrated technical matching,time matching,responsibility match and space matching of the multi-attribute interfaces to realize the integration of IM and information of integrated test.The platform is based on open and scalable architecture,supporting a coordinative platform for participants in IM to share,exchange,track and control interface information.Theoretically,this dissertation built up an integrated test oriented framework of multi-attribute integrated interface management,provided effective approaches for multi-attribute interface matching and introduced an interface conflicts coordination mechanism among multi-disciplinary participants.Practically,this dissertation designed and developed a web-based integrated interface management system,which can provide technical guidance for integrated test,eliminate unnecessary interface conflicts and waste and further facilitate process control for the final system acceptance.This dissertation has provided essential merits for the research and practice of interface management.