失重状态下旋转陀螺交互操作的仿真研究

针对在地面难以使用实物进行空间操作任务训练的问题,提出了一种基于人机交互和物理引擎技术的交互操作虚拟仿真方法,并实现了失重状态下旋转陀螺的虚拟操作训练。实现中首先建立航天员和陀螺的三维图形模型和用于碰撞检测的物理模型,并采用虚拟现实设备数据手套和位置跟踪仪实时跟踪获取受训人体的实时运动数据,用于交互控制虚拟航天员的运动,最终通过物理引擎及仿真算法计算失重状态下旋转陀螺的运动状态。结果显示,该方法较好地解决了旋转陀螺定轴特性仿真问题,能够满足虚拟训练的实时性和有效性要求。

Study on Real-time Interactive Simulation of Rotating Top in Weightlessness

To solve the problems of space operation tasks training on the ground , a virtual simulation method based on human-machine interaction technology and physics engine was proposed , which successfully accomplished the virtual training of rotating top operation in weightlessness .First, the 3D models and physical models of the astronaut and the top were built for display and collision de -tection , then the trainer ’ s real-time motion data was tracked and recorded using data gloves and mo-tion tracking device , which was used for controlling the motion of virtual astronaut , finally the rota-ting top’ s motion data was calculated using physics engine and other algorithm .The results showed that the method proposed effectively solved the problem of rotating top simulation , and it satisfied the real-time and efficiency demands of virtual training .