A Satellite Electronic System Architecture Adapting to On-orbit Dynamic Configuration

Abstract

The invention provides a satellite electronic system framework adapted to dynamic configuration on orbit, and divides the satellite electronic system into six areas, the comprehensive management control area is responsible for the most basic management and control functions of the satellite; the interface drive area is connected to the module by sensors and the drive module of the actuator; the data storage area is composed of a large-capacity memory with file management capabilities, responsible for data storage; the data processing area is composed of multiple high-performance processor modules with the same configuration, and each processor module can The application waveform is loaded and removed according to the needs, so as to realize the dynamic configuration of its functions; the radio frequency integrated area and the optical frequency integrated area are respectively connected with the microwave antenna array and the optical antenna array. The satellite electronic system architecture adapted to dynamic on-orbit configuration provided by the present invention can adapt to changes in application scenarios and dynamically change functions on-orbit, thereby realizing multiple uses of one satellite and improving the utilization rate of satellite resources.

Description

technical field [0001] The invention belongs to the technical field of spacecraft, and in particular relates to a satellite electronic system framework adapted to dynamic configuration on orbit. Background technique [0002] The technology of the spaceborne data management system has been widely applied to the satellites that have been launched, and a unified standard has been formed for the spaceborne data management system in my country. The spacecraft data management system is mainly composed of a central processing unit (CTU, Central Terminal Unit), a remote control unit, a telemetry unit, and several remote units (RTU, Remote Terminal Unit) and other equipment and software. These devices are connected to each other through the serial data bus, and jointly complete the functions of data transmission, processing, storage and management on the spacecraft. Large-scale spacecraft, such as the data management subsystem of a manned spacecraft, and the data management subsyste...

AI Technical Summary

Problems solved by technology

This electronic system architecture mainly includes time-division multiplexed data bus, standard onboard computer, standard development language and standard external unit RTU. In order to realize various functions of the subsystem, each subsystem needs to have its own controller, Sensors and actuators, which will easily lead to the extreme complexity of the entire system, will also lead to a large number of unnecessary repetitive equipment in the system, and the resource utilization rate will be reduced. Moreover, once the design is qualitative, the functions completed by the satellite cannot be changed on-orbit. There are defects such as single function, inability to adapt to the changing needs of users, and low user experience

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