RHINO-AR: An Augmented Reality Exhibit for Teaching Mobile Robotics Concepts in Museums

2026-03-26

arXiv.org

AI Summary

This study addresses the challenge of intuitively explaining autonomous mobile robot behaviors to non-expert audiences by proposing an on-site augmented reality (AR) system developed with Magic Leap 2 and the Unity engine. Using the historical museum robot RHINO as a case study, the approach integrates real-time environment meshing, LiDAR sensor visualization, and interactive path planning to precisely overlay virtual navigation models onto physical space, thereby bridging the experiential gap between purely virtual environments and the real world. A user study demonstrates that the proposed system effectively communicates autonomous navigation concepts. Furthermore, owing to its enhanced physical grounding and immersion, the AR approach yields significantly higher overall user satisfaction compared to conventional virtual reality solutions.

Abstract

We present RHINO-AR, an interactive Augmented Reality (AR) museum exhibit that reintroduces the historical mobile robot RHINO into its original exhibition environment at the Deutsches Museum Bonn. The system builds on our previous work RHINO-VR, which reconstructed the robot and the environment in virtual reality. Although this created an engaging experience, it also revealed an important limitation, because visitors were separated from the real exhibition space and from the physical robot on display. RHINO-AR addresses this reality gap by placing a virtual reconstruction of the robot directly into the real museum space. Implemented on a Magic Leap~2 headset using Unity, our system combines real-time environment meshing with interactive visualizations of LiDAR sensing, traversability, and path planning to make otherwise invisible robotics processes understandable to non-expert visitors. We evaluated RHINO-AR in a two-day museum study with 22 participants, assessing usability, technical performance, satisfaction, conceptual understanding, and preference comparison to RHINO-VR. The results show that RHINO-AR was well received, effectively conveyed key navigation concepts, and generally preferred over the VR exhibit due to its stronger physical grounding and increased realism.

Problem

• Mobile Robotics Education
• Augmented Reality
• Museum Exhibit
• Science Communication

Innovation

• Augmented Reality
• Mobile Robotics
• Real-time Environment Meshing
• Interactive Visualization
• Museum Exhibit