Abstract
For satellite layout, it is necessary to collate manually in order to obtain accurate product technical requirements information. It is difficult to track the technical status information. It is proposed that the application of model-based system engineering (MBSE) in the cooperative development of multi-disciplinary and multisectoral satellite layout was an effective way to solve these problems. Based on the four typical processes of layout design, this paper studied the requirements to occupancy design, electromechanical joint design, integration of Attitude and Orbit Control System (AOCS) equipment layout, definition and display of equipment expansion, and give the verification design of star sensor layout. The results show that this method is beneficial to the collaboration of all departments, and improve the design ability.
Highlights
With the increasing demand for satellites, satellite systems are becoming more complex and need higher standards, the index has been greatly improved
In the traditional satellite development work, a large amount of information about product technical requirements is hidden in drawings and various documents
In the process of satellite development, it is necessary to collect all kinds of inputs, which are controlled by human, and the workload is huge
Summary
With the increasing demand for satellites, satellite systems are becoming more complex and need higher standards, the index has been greatly improved. In the traditional satellite development work, a large amount of information about product technical requirements is hidden in drawings and various documents. As the input for follow-up research work, Demand parameters lack traceability in the process of definition, decomposition, allocation and verification, It lack effective digital analysis and simulation method. They often start detailed design before the scheme is mature and stable, resulting in a large number of design rework and delays. Requirements/design/validation results are mainly recorded and transmitted in the form of documents, which makes it difficult to trace and trace the whole development process, and to assess the impact of changes timely and effectively when changes occur. This paper studies the implementation of model-based engineering in satellite layout from four aspects, and takes star sensor integrated layout as an example to verify
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