Design Considerations and Human-Machine Performance of Moving Virtual Fixtures

被引:0
|
作者
Gibo, Tricia L. [1 ]
Verner, Lawton N. [1 ]
Yuh, David D. [2 ]
Okamura, Allison M. [1 ]
机构
[1] Johns Hopkins Univ, LCSR, Baltimore, MD 21218 USA
[2] Johns Hopkins Med Inst, Div Cardiac Surg, Baltimore, MD USA
基金
美国国家科学基金会;
关键词
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Haptic virtual fixtures have been shown to improve user performance and increase the safety of robot-assisted tasks, particularly for surgical applications. However, little research has studied virtual fixtures that provide moving force constraints based on motion of the environment, e.g., organ movement due to heartbeat or respiration. This work discusses design considerations of moving forbidden-region virtual fixtures and presents two methods of implementation: predicted-position and current-position virtual fixtures. Human subject experiments were performed to determine the effectiveness of moving virtual fixtures when interacting with an object in motion using a teleoperator. Results show that moving virtual fixtures can help improve user precision and decrease the amount of force applied.
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页码:2958 / +
页数:2
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