考虑人类视线区域约束的机器人社交导航

Socially-aware Robot Navigation Considering Human Gaze-related Area Constraints

  • 摘要: 针对人机共融场景中移动机器人与人类关注区域交叠的情景,提出了一种考虑人类视线区域约束的社交导航方法。首先,基于感知到的注视方向和注视目标,确定视线状态并构建视域交互模型。然后,借鉴电磁场和极限环理论,引入包括视线静电力、视线磁偏转力和视域交互势场力在内的扩展社会力对机器人的行为和人类视线之间的关系进行建模。进而驱动机器人根据任务类型以符合社交规则的方式主动避让或接近人的关注区域,在保证人类心理舒适度的同时提升了服务机器人的社交性。仿真实验部分的定性定量分析及相应的问卷评估表明了在机器人社交导航中引入人类视线区域约束的必要性,也进一步验证了所设计导航方法的有效性和适用性。

     

    Abstract: In order to handle the situation where a mobile robot overlaps an area that a person is paying attention to in human-robot integration scenario, a socially-aware navigation method that considers human gaze-related area constraints is proposed. Firstly, the gaze state is determined and a horizon-interaction model is constructed based on the perceived gaze direction and gaze target. Then, the extended social forces including sight line electrostatic force, sight line magnetic deflection force, and potential field force related to the horizon-interaction model, are introduced in reference to electromagnetic fields and limit cycle theory, to model the relationship between human gaze and robot behavior. This design leads the robot to avoid or approach regions of interest to humans under social norms according to the task type, which enhances the social attributes of the service robot while ensuring the psychological comfort of human. The qualitative and quantitative analysis of the simulation section and the questionnaire evaluation demonstrate the necessity of introducing human gaze-related area constraints in socially-aware navigation of a robot, and validates the efficacy and viability of the proposed navigation method.

     

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