Like any management system, PDM is not a omnipotent system, it also has its own limitations. PDM technology and related systems have been rapidly developed since the 1990s. Up to now, PDM systems have gained tremendous development and extensive application, contributing to the improvement of product development capabilities of numerous enterprises. But like any management system, PDM is not a universal system. It also has its own limitations. PDM is actually a hub for connecting product development and production. It can be used by product development departments and archives departments, and for product manufacturing. Provide support data. But it cannot fully assume the management of a complete "design cycle" in the complex product life cycle. Tianzhou COMAN adopts a series of key basic support technologies, including product object modeling technology, design, simulation data management technology, design, simulation data format conversion technology, visual representation technology of design/simulation objects, design and simulation calculation result data. Dynamic monitoring technology, real-time management technology for design, simulation data, project-based task flow management technology, application packaging and integration technology, task-to-application driver technology, data flow management technology, etc. COMAN design, simulation integrated management system and PDM have great differences in requirements background, application goals, and management position in the complex product life cycle; however, the role of the two in the product life cycle has a cross point, that is Management of detailed product design. Therefore, from the perspective of application requirements, it is necessary to realize the integration between COMAN and PDM, so as to avoid mutual information islands, so that COMAN can release the detailed design data of the managed products after repeated iterative design of the product reaches a certain technical state. The PDM system is used to control the technical state of the products supporting the production centered on the PDM system. Since Tianzhou has developed its own PDM system for many years, it has a sufficient technical reserve for COMAN design and simulation integrated management system to achieve effective integration with PDM system. At present, the Tianzhou COMAN design and simulation integrated management system have been applied in practice. At the beginning of 2008, China North Engine Research Institute signed a contract with Tianzhou Company. Based on the Tianzhou COMAN-Multidisciplinary Design and Simulation Integrated Management System, the two companies jointly developed and built a vehicle diesel engine design, simulated integrated management platform, and the process and specifications for engine development. Comprehensive, effective integration of standards, tools and data. Form a professional capability platform to support the development of diesel engines. The construction of the platform is another major measure for the Northern Engine Research Institute to support the professional development of the information environment after the implementation of the Teamcenter product data management system. The project started from January 2008. In the more than one year after the project was launched, it carried out detailed research, collation, maturity assessment, and research on the R&D business process, tool software and design specifications of more than ten majors. Validation and revision, based on Tianzhou COMAN, formed dozens of diesel engine design, simulation, calculation tool software, embedded in hundreds of professional design, simulation process, and accommodates dozens of professional design specifications of diesel engine design/simulation Management system. In the implementation process, the North Engine Research Institute and Tianzhou Company jointly carried out the application verification of the system in various professions, which confirmed the system integration in the application, design/simulation process control, interdisciplinary, multidisciplinary collaboration, and automatic management design. Important capabilities in design/simulation data, etc., formed during the iterative process. At the same time, the application of the project management system was promoted in the research project management department. On June 8, 2009, the system passed the acceptance test. The North Engine Research Institute believes that this indicates that the North Engine Research Institute has achieved significant milestones in the construction of product R&D capability platform. The design of the diesel engine and the establishment of the simulation management system will promote the transformation of the product development model of the North Engine Research Institute. Based on this, the Northern Engine Research Institute will be upgraded to enhance the independent innovation research and development capabilities under the digital design conditions. Therefore, the project has been highly valued by the Ordnance Industry Group Corporation. After the acceptance of the project, Tianzhou Shangyuan will continue to cooperate with the North Engine Research Institute in the future to promote the in-depth application of the diesel engine design/simulation management system in the development of model products, and fully realize the system and other management information such as PDM. System integration. Tianzhou will continue to carry out independent innovation, continue to promote COMAN design, and simulate the application development of integrated management systems. 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