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目的面向各类机械臂遥操作任务,测量并分析操作中人的情境意识(situation awareness,SA),以指导未来机械臂遥操作系统的界面设计和人员训练评价。方法在6自由度机械臂仿真操作平台上,根据有无数值信息和3种不同数量摄像机图像设置,设计两因素的2×3实验,用冻结法采集操作者SA水平、眼动数据、绩效数据。结果在提供数值辅助信息和4摄像机图像界面的组合下,操作者情境意识水平最优;通过分析SA水平与绩效数据的相关性,表明对相关情境要素的正确认知能够保证更优秀的操作绩效。结论可从提高操作者SA水平的角度来指导机械臂遥操作任务的界面设计和人员训练。
Objective To measure and analyze human situational awareness (SA) for various robotic teleconnection tasks to guide the design and training of future robotic arm teleoperation systems. Methods Two-factor 2 × 3 experiments were designed on the platform of 6-DOF manipulator with or without numerical information and three different numbers of camera images. The SA level, eye movement data, performance data . Results Under the combination of numerical assistance information and 4-camera image interface, the level of operator’s situation awareness is the best. By analyzing the correlation between SA level and performance data, it shows that the correct cognition of relevant contextual elements can ensure better operation performance . Conclusion The interface design and personnel training of teleoperation tasks for robotic arms can be guided from the perspective of improving operator SA.