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Optimal Use of Verbal Instructions for Multi-robot Human Navigation Guidance

  • Harel YedidsionEmail author
  • Jacqueline Deans
  • Connor Sheehan
  • Mahathi Chillara
  • Justin Hart
  • Peter Stone
  • Raymond J. Mooney
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11876)

Abstract

Efficiently guiding humans in indoor environments is a challenging open problem. Due to recent advances in mobile robotics and natural language processing, it has recently become possible to consider doing so with the help of mobile, verbally communicating robots. In the past, stationary verbal robots have been used for this purpose at Microsoft Research, and mobile non-verbal robots have been used at UT Austin in their multi-robot human guidance system. This paper extends that mobile multi-robot human guidance research by adding the element of natural language instructions, which are dynamically generated based on the robots’ path planner, and by implementing and testing the system on real robots.

Generating natural language instructions from the robots’ plan opens up a variety of optimization opportunities such as deciding where to place the robots, where to lead humans, and where to verbally instruct them. We present experimental results of the full multi-robot human guidance system and show that it is more effective than two baseline systems: one which only provides humans with verbal instructions, and another which only uses a single robot to lead users to their destinations.

Keywords

Multi robot coordination Natural language Human robot interaction Indoor navigation 

Notes

Acknowledgment

This work has taken place in the Learning Agents Research Group (LARG) at UT Austin. LARG research is supported in part by NSF (IIS-1637736, CPS-1739964, IIS-1724157), ONR (N00014-18-2243), FLI (RFP2-000), ARL, DARPA, and Lockheed Martin. Peter Stone serves on the Board of Directors of Cogitai, Inc. The terms of this arrangement have been reviewed and approved by the University of Texas at Austin in accordance with its policy on objectivity in research.

Supplementary material

Supplementary material 1 (mp4 96928 KB)

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Harel Yedidsion
    • 1
    Email author
  • Jacqueline Deans
    • 1
  • Connor Sheehan
    • 1
  • Mahathi Chillara
    • 1
  • Justin Hart
    • 1
  • Peter Stone
    • 1
  • Raymond J. Mooney
    • 1
  1. 1.Department of Computer ScienceThe University of Texas at AustinAustinUSA

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