Design and Implementation of a Generalized Safety Fault Diagnosis System for China Space Station Scientific...

Area of Science:

• Space Engineering
• Aerospace Systems
• Astronaut Safety

Background:

• Long-term space missions necessitate robust safety measures for scientific experimental racks (SERs) on space stations.
• Existing systems lack generalized monitoring for common risks faced by diverse SERs.
• Ensuring the stable operation of space station payloads is critical for mission success.

Purpose of the Study:

• To propose a generalized safety fault diagnosis system for long-term, reliable operation of SERs in orbit.
• To address the urgent need for a unified risk management solution for space applications.
• To enhance the safety of space station payloads, astronauts, and the overall space station system.

Main Methods:

• Designed a generalized main control board, measurement and control board, and solid-state power controller (SSPC) board.
• Integrated hardware components with software for comprehensive system management.
• Employed fault detection algorithms for real-time risk assessment and diagnosis.

Main Results:

• Successfully realized acquisition of various physical quantities and data processing.
• Enabled power supply and distribution management functions.
• Achieved real-time detection, diagnosis, abnormality warnings, and fault disposal operations.

Conclusions:

• The proposed generalized system effectively ensures the safety and stability of SERs during long-term space missions.
• This system provides a crucial layer of protection for space station payloads and astronauts.
• It represents a significant advancement in space application safety and risk management.