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Open AccessArticle

UWB Localization with Battery-Powered Wireless Backbone for Drone-Based Inventory Management

IMEC, IDLab, Department of Information Technology, Ghent University, 9000 Ghent, Belgium
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Sensors 2019, 19(3), 467; https://doi.org/10.3390/s19030467
Received: 29 December 2018 / Revised: 18 January 2019 / Accepted: 21 January 2019 / Published: 23 January 2019
(This article belongs to the Special Issue Sensor Fusion and Novel Technologies in Positioning and Navigation)
Current inventory-taking methods (counting stocks and checking correct placements) in large vertical warehouses are mostly manual, resulting in (i) large personnel costs, (ii) human errors and (iii) incidents due to working at large heights. To remedy this, the use of autonomous indoor drones has been proposed. However, these drones require accurate localization solutions that are easy to (temporarily) install at low costs in large warehouses. To this end, we designed a Ultra-Wideband (UWB) solution that uses infrastructure anchor nodes that do not require any wired backbone and can be battery powered. The resulting system has a theoretical update rate of up to 2892 Hz (assuming no hardware dependent delays). Moreover, the anchor nodes have an average current consumption of only 27 mA (compared to 130 mA of traditional UWB infrastructure nodes). Finally, the system has been experimentally validated and is available as open-source software. View Full-Text
Keywords: Ultra-Wideband (UWB); drone inventory; low-energy; easy installation; infrastructure-light Ultra-Wideband (UWB); drone inventory; low-energy; easy installation; infrastructure-light
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Macoir, N.; Bauwens, J.; Jooris, B.; Van Herbruggen, B.; Rossey, J.; Hoebeke, J.; De Poorter , E. UWB Localization with Battery-Powered Wireless Backbone for Drone-Based Inventory Management. Sensors 2019, 19, 467.

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