水电站设备虚拟检修仿真中混合碰撞检测算法的研究

摘要

碰撞检测技术作为虚拟现实中至关重要的技术逐渐得到了应用,快速且精确的碰撞检测对虚拟仿真的真实性与沉浸性起着至关重要的作用.本文解释了基于时间空间的碰撞检测算法和射线检测算法的含义和碰撞原理,并创新的提出了二者混合的混合碰撞检测算法.最终将该算法成功的应用于水电设备虚拟检修研究中,提高了开发效率.应用结果表明该混合算法能够满足实时性与精确性两个特质,对虚拟仿真系统的开发能够产生推动作用.%Collision detection technology as the the key technology of virtual reality has been gradually applied. Fast and accurate collision detection plays an important role in the reality and immersion of the virtual simulation. This paper mainly explains the collision detection principle of the radial and the collision detection algorithm that based on time space, and puts forward the theory of the two mixed collision detection algorithm. Finally, the algorithm is successfully applied to the study of virtual maintenance of hydropower equipment, and the development efficiency is improved. The application results show that the hybrid algorithm can meet the two characteristics of real-time and accuracy, and promote the development of virtual simulation system.