A Blended Human-Robot Shared Control Framework to Handle Drift and Latency

Published in IEEE Symposium on Safety, Security, and Rescue Robotics, 2019

Recommended citation: A. A. Allaban, V. Dimitrov and T. Padır, "A Blended Human-Robot Shared Control Framework to Handle Drift and Latency," 2019 IEEE International Symposium on Safety, Security, and Rescue Robotics (SSRR), Würzburg, Germany, 2019, pp. 81-87, doi: 10.1109/SSRR.2019.8848977. https://ieeexplore.ieee.org/abstract/document/8848977

Maximizing the utility of human-robot teams in disaster response and search and rescue (SAR) missions remains to be a challenging problem. This is mainly due to the dynamic, uncertain nature of the environment and the variability in cognitive performance of the human operators. In this paper, we propose the use of blended shared control (BSC) architecture to address these issues and investigate the architecture’s performance in constrained, dynamic environments with a differential drive robot that has input latency and drift caused by erroneous odometry feedback. We conduct a validation study (n=12) for our control architecture and then a user study (n=14) in 2 different environments that are unknown to both the human operator and the autonomous agent. The results demonstrate that the BSC architecture prevents collisions and enhance team performance without the need of a complete transfer of control between the human operator and autonomous agent.

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