通过用户研究揭示视障人士对仿生导盲机器狗的期望与设计需求。
Understanding Expectations for a Robotic Guide Dog for Visually Impaired People
- 让视障用户试用四足机器人，收集反馈优化控制与交互设计。
- 用户偏好学习型控制器、刚性把手和渐进式转向方式。
- 强调个性化适配与续航、维护等实际问题的重要性。
仿生导盲机器狗有望以低成本为视障者提供在非结构化地形上的通用辅助，提升其自主移动能力。然而，该类机器人的设计仍缺乏系统研究，尤其在步态控制、导航行为、交互方式及语音解释等方面。本研究通过对18名视障参与者（含15名盲杖使用者和3名导盲犬使用者）开展用户实验，让他们与四足机器人互动并提供定量与定性反馈。研究发现，用户偏好基于学习的控制器、刚性手柄、异速渐进转弯方式，以及语义化通信与可解释性交互。研究还强调了个性化定制的重要性，并指出电池续航、维护便利性与天气适应性等实际挑战。这些发现为未来仿生导盲机器狗的研发提供了关键设计启示。
原文摘要 · Abstract (English)
Robotic guide dogs hold significant potential to enhance the autonomy and mobility of blind or visually impaired (BVI) individuals by offering universal assistance over unstructured terrains at affordable costs. However, the design of robotic guide dogs remains underexplored, particularly in systematic aspects such as gait controllers, navigation behaviors, interaction methods, and verbal explanations. Our study addresses this gap by conducting user studies with 18 BVI participants, comprising 15 cane users and three guide dog users. Participants interacted with a quadrupedal robot and provided both quantitative and qualitative feedback. Our study revealed several design implications, such as a preference for a learning-based controller and a rigid handle, gradual turns with asymmetric speeds, semantic communication methods, and explainability. The study also highlighted the importance of customization to support users with diverse backgrounds and preferences, along with practical concerns such as battery life, maintenance, and weather issues. These findings offer valuable insights and design implications for future research and development of robotic guide dogs.
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