虚拟航天员多层次运动仿真模型研究与实现  

A Novel Method for Virtual Astronaut Motion Simulation Based on Layered Model

作　　者：安明[1] 刘玉庆[1] 晁建刚[1] AN Ming;LIU Yuqing;CHAO Jiangang(National Key Laboratory of Human Factors Engineering,China Astronaut Research and Training Center,Beijing 100094, China)

机构地区：[1]中国航天员科研训练中心人因工程重点实验室,北京100094

出　　处：《载人航天》2017年第6期798-804,共7页Manned Spaceflight

基　　金：国防基础科研计划(B1720132001);人因工程国防科技重点实验室基金(SYFD140051807);载人航天领域预先研究项目(060601)

摘　　要：为解决虚拟现实训练中航天员模型实时交互控制和失重运动仿真等问题,提出了一种多层次运动仿真模型,在运动控制层实现运动跟踪,并构建标准化人体运动模型;物理控制层采用物理引擎建立人体多刚体动力学模型;规则控制层为不同的运动方式制定相应规则,显示层使用骨骼蒙皮技术提升显示效果。通过各层次组合的方式,共同实现了虚拟航天员的交互运动仿真。通过两个应用实例,证明了该层次化组合模型实现的虚拟航天员运动,可同时实现实时交互控制、失重运动仿真、交互操作仿真、太空行走仿真以及较好的显示效果,并适用于多种任务场景的航天员训练。Anovel method for human motion simulation based on layered model was presented tomeet the special demands of virtual astronauts including the interactive control in real time and theWeightlessness motion simulation.The model includes four layers:the motion control layer is at thebottom which constructs the standard human motion model and tracks the human motion;The physicscontrol layer establishes the Multi-rigid-body Dynamics Model based on PhysX;The rules controllayer makes rules for different movement modes;The display layer is on the top which uses theskinned mesh to improve the display effect.The combination of the four layers can realize the virtualastronaut motion simulation.The experimental results showed that the motion simulated by the layeredmodel could satisfy the demands of the interactive control,the weightlessness motion simulation,the operation simulation,the spacewalk simulation and good display effect.The method proposedin this paper can be used in many scenarios in astronaut training.

关 键 词：航天员训练 运动仿真 多层次模型 虚拟现实 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]