摘要
虚拟卷尺测量是工业培训系统中重要的工序,其交互仿真的逼真度主要取决于抓取的稳定性和卷尺建模的精确性。结合虚拟手,提出一种新的虚拟卷尺测量交互仿真方法,并应用到风力发电机对中培训仿真系统中。通过融合几何规则和物理规则改进抓取判断方法,并利用四元数调整抓取姿态。在三维Bresenham算法的基础上,通过优化顶点设置解决宽度不均等问题,实现虚拟尺条的平滑伸缩。实验结果表明,该方法是有效的,抓取准确自然,卷尺仿真逼真,能够大大提高虚拟培训效果。
The virtual tape measurement is an extremely important process in the industrial training systems, and the fidelity of the measurement depends on the stability of the grasp and the accuracy of the tape measure. Combined with the virtual hand, a new interactive simulation method for the virtual tape measurement is proposed and applied to the wind-driven generator alignment training simulation system. The fusion of the geometric rules and physical rules improves the grasping judgment method, and the quaternion adjusts the grasp gesture. Based on the 3D algorithm, the tape width uneven is solved by optimizing the vertex setting to generate a smooth ruler. The experimental results show that our method is effective, and could greatly improve the virtual training effect with the accurate and natural grasping and the realistic tape simulation result.
作者
黄东晋
蒋晨凤
王祥龙
顾琳慧
Huang Dongjin;Jiang Chenfeng;Wang Xianglong;Gu Linhui(Shanghai Film Academy,Shanghai University,Shanghai 200072,China;Shanghai Engineering Research Center of Motion Picture Special Effects,Shanghai 200072,China)
出处
《系统仿真学报》
CAS
CSCD
北大核心
2020年第5期856-865,共10页
Journal of System Simulation
基金
国家自然科学基金(61402278)
上海市自然科学基金(14ZR1415800)
。
关键词
虚拟培训
虚拟测量
抓取判断
卷尺仿真
Virtual training
Virtual measurement
Grasp judgment
Tape simulation
