On-Orbit Maintainability Verification Technology of Space Station

Lv Zhen,Fan Rong,Feng Shuhong

Table 1 Comparison of on-ground maintenance verification methods

Method Object Item Environment 1-g simulation (low accuracy, low cost) Verify different types of ORU; certain area representing whole layout Maintenance operations Normal environment, 3D activity space Hypobaric chamber (low accuracy, low cost) Testify parts of maintenance scheme Partial maintenance operations, partial maintenance supporting Low pressure environment, 3D activity space Gas floating platform (high accuracy, high cost) Microgravity maintenance scheme Maintenance operations Microgravity; 2D activity space Hanging maneuver (high accuracy, high cost) Broad testing objects, almost representing layout Maintenance operations, maintenance time, partial maintenance support Microgravity, 3D activity space Neutral buoyancy tank (higher accuracy, higher cost) Broad testing objects, fully representing layout Maintenance operations, maintenance time, partial maintenance support Microgravity, 3D activity space Computer picture simulation (high accuracy, low cost) Broad testing objects, almost representing layout Maintenance operations, maintenance time Microgravity, 3D activity space VR simulation (high accuracy, low cost) Broad testing objects, almost representing layout Maintenance operations, maintenance time Microgravity, 3D activity space