Research on Component-Based Embedded Spacecraft Software System Development

Aiming at the reuse requirements of spacecraft embedded software assets, the commonality and variability of spacecraft embedded software requirements are analyzed, and a tree diagram-based spacecraft software component identification method based on the FODA (Feature-Oriented Domain Analysis) is proposed. Interfaces between tree-node components are identified through a structured data flow analysis. In terms of component description, a component model in the domain of spacecraft control software based on functional-programming is proposed, which removes the coupling relationship between components. Taking the Sun Search system as an example, software components were developed, a component-based Sun Search software system was established, and the feasibility of component-based spacecraft software reuse was verified. It was applied to 5 projects, and the component-reuse number reached 31.