Abstract
Four-arm four-flipper disaster response robot called OCTOPUS, which has 26 degrees of freedom (DOF), has been developed to engage in complex disaster response work. OCTOPUS adopts a multi-operator single-robot (MOSR) control system, and two operators manually control the robot. The pattern of control-authority allocation (CAA) for two operators largely affects performance of MOSR systems, so this study conducts usability tests in various CAAs, and derives a reasonable CAA pattern. So far, there are no uniform standard allocation rules for flippers and crawlers in multi-limb robots like OCTOPUS, therefore we specify five CAA patterns for investigation. Three fundamental tasks that whole body of the robot must be cooperatively controlled were conducted to test the usability in each CAA pattern. From the results of analysis, we found that pattern 1, which one operator controls front two arms, flippers, and crawlers, and another operator controls remaining back parts, had best scores for all tasks, as well as pattern 2 had the best distribution of workload between two operators.
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Acknowledgments
This research was supported in part by the Industrial Cluster Promotion Project in Fukushima Prefecture, JSPS KAKENHI Grant Numbers 16K06196, the Research Institute for Science and Engineering, Waseda University, and in part by the China Scholarship Council (CSC).
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Chen, K. et al. (2018). Usability Test in Different Types of Control-Authority Allocations for Multi-Operator Single-Robot System OCTOPUS. In: Ahram, T., Falcão, C. (eds) Advances in Usability and User Experience. AHFE 2017. Advances in Intelligent Systems and Computing, vol 607. Springer, Cham. https://doi.org/10.1007/978-3-319-60492-3_64
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DOI: https://doi.org/10.1007/978-3-319-60492-3_64
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