Offloading SLAM for Indoor Mobile Robots with Edge, Fog, Cloud Computing

K., Sarker, T, Tenhunen, J., Queralta and T., Westerlund Offloading SLAM for Indoor Mobile Robots with Edge, Fog, Cloud Computing., 2019 . In International Conference on Advances in Science, Engineering and Robotics Technology, Bangladesh, 5/5/2019. [Conference paper]

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English abstract

Indoor mobile robots are widely used in industrial environments such as large logistic warehouses. They are often in charge of collecting or sorting products. For such robots, computation-intensive operations account for a significant per- centage of the total energy consumption and consequently affect battery life. Besides, in order to keep both the power con- sumption and hardware complexity low, simple micro-controllers or single-board computers are used as onboard local control units. This limits the computational capabilities of robots and consequently their performance. Offloading heavy computation to Cloud servers has been a widely used approach to solve this problem for cases where large amounts of sensor data such as real-time video feeds need to be analyzed. More recently, Fog and Edge computing are being leveraged for offloading tasks such as image processing and complex navigation algorithms involving non-linear mathematical operations. In this paper, we present a system architecture for offloading computationally expensive localization and mapping tasks to smart Edge gateways which use Fog services. We show how Edge computing brings computational capabilities of the Cloud to the robot environment without compromising operational reliability due to connection issues. Furthermore, we analyze the power consumption of a prototype robot vehicle in different modes and show how battery life can be significantly improved by moving the processing of data to the Edge layer.

Item type: Conference paper
Keywords: Edge, Fog, Cloud, SLAM, Efficiency, Computa- tion, Offloading, Energy, Performance, Mobile, Robots
Subjects: L. Information technology and library technology
L. Information technology and library technology > LZ. None of these, but in this section.
Depositing user: T. Westerlund
Date deposited: 16 Aug 2020 06:27
Last modified: 16 Aug 2020 06:27
URI: http://hdl.handle.net/10760/40297

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