ASTRONAUT OPERATING SIMULATION IN SPACE STATION BASED ON VIRTUAL REALITY

摘要

Astronaut operating simulation system was widely applied to verification of project design and operation training for mission preparation. The hardware and software framework of the virtual reality (VR) system, the method to simulate the virtual scene and human, the flow of simulation for operating were given. Three operations which complete the process of obtaining food from cupboard and heating food in a microwave oven, and three types of objects in degree of freedom(DOF) were given detailed analysis. The three operations are: grasp-transfer-release free object, push/pop drawer, open/close cabinet door. The three types of objects are: 6 DOF objects which can be moved to any position and orientation, cabinet door which can be rotated around a fixed axis within a range of angle, drawer which can be moved along a direction within a range of distance. The algorithm and C++ code to implement the operation on the three types of objects using the VR system were given. The operation system was applied successfully to the verification of design for the cupboard in the space kitchen of the future long-term manned spacecraft. The results showed that the operation system was a real-time system, could be used to all operations in spacecraft, and was a useful system for verification of designs in developing and training for mission preparation.