Analysis and Comparison of Power Distribution System Topologies for Low-Voltage DC–DC Automated Guided Vehicle Applications
Abstract
Automated guided vehicles (AGV) or mobile robots (MR) are being used more and more in modern factories, logistics, etc. To extend the work-time of the robot, kinetic energy recovery systems are implemented to store the braking or lifting energy. In most applications, the energy storage system is a Li-ion battery, which is therefore subjected to increased stress and is also oversized. Super-Capacitors can be used in combination to solve this issue. In this paper, different power distribution systems are analysed and compared, using both single or hybrid storage systems (battery and super-capacitor combined). The comparison is both qualitative, using general system characteristics, and quantitative, using an efficiency/power density Pareto front analysis.
Description
This research was funded by the Förderkreis der Universität Innsbruck 1669 -Wissenschafft Gesellschaft. The APC was funded by the University of Innsbruck. Copyright © IEEE. All rights reserved. Reprinted, with permission, from “Hanschek, A.J.; Bouvier, Y.E.; Jesacher, E.; Grbovic, P.J. Analysis of power distribution systems based on low-voltage DC/DC power supplies for automated guided vehicles (AGV). 2021 21st International Symposium on Power Electronics (Ee), 2021, pp. 1–6. doi:10.1109/Ee53374.2021.9628366.” [5]. Personal use of this material is permitted. However, permission to reuse this material for any other purpose must be obtained from the IEEE. The authors thank Christoph Brachmann for his help and opinions about AGV’s, Jürgen and Elisa Nawrot for transfer of some super-capacitors datasheets data, and Aleksandra Stanojević for the help in the review of the original draft.
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