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Abstract:As satellite integration design and implementation become more and more complex and difficult, a MBD model structure suit for satellite integration design is proposed in this paper, to ensure data consistency and the design work more efficiency. In order to help designers build normative MBD model efficient , a rapid MBD modeling tool has been developed and already been validated in several satellite development projects. General InstructionsSatellite integration is the detailed design of mechanical aspects in satellite overall design. Integration implementation is the process that integration technologist and workers assemble the qualified onboard products into a complete satellite according to the integration design and technological requirements. [1] With more tasks, shorter development cycle, while the mission is becoming more and more complex, satellite integration design and implementation is getting much more difficult than ever before. These challenges are meant to introduce a new way of satellite integration design.Model-based definition（MBD）is an advanced digital definition methods that make all related design information structured inside native 3D models. A satellite integration design solution and implementation based on MBD was proposed in this paper, and a MBD modeling tool has been developed to help designers build MBD models of satellite products quickly and normatively. Satellite Integration DesignSatellite integration design is the design process of planning and promoting demands on satellite AIT requirements, and finally writing them on documents and drawings, according to requirements from system, subsystem, and comprehensive test. [2] Following is the concrete design content of satellite integration:

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