Journal
IEEE TRANSACTIONS ON TRANSPORTATION ELECTRIFICATION
Volume 8, Issue 4, Pages 4118-4139Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TTE.2022.3195272
Keywords
Fuel cells; Propulsion; Fuels; Computer architecture; Batteries; Aircraft; Hydrogen; Aviation; design procedure; energy management strategies (EMSs); fuel cell (FC); propulsion architectures; unmanned aerial vehicle (UAV)
Funding
- National Natural Science Foundation of China [52007155, 61873343]
- Aero Science Foundation of China [20200019053005]
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This article provides a comprehensive review of the key technologies of FC UAVs, including propulsion system architectures, management strategies, special applications, and design procedures. The conclusions highlight the urgent need for advanced propulsion architectures, efficient energy management strategies, and professional design procedures in the commercial process of FC UAVs.
Unmanned aerial vehicles (UAVs) can be regarded as one of the most emerging technologies. Compared with piloted aerial vehicles, UAVs qualify for higher safety and lower cost, and they are more suitable for dangerous missions. Recently, fuel cell (FC) UAVs have obtained more and more attention due to their relatively higher energy density. However, their propulsion system still needs to be further improved to meet different requirements of performing difficult tasks. This article aims to give a comprehensive review of the key technologies of FC UAVs. First, various architectures of the propulsion system and corresponding advantages and disadvantages are introduced. Then, three kinds of management strategies for FC UAVs are reviewed. Next, some special applications and considered design procedures are summarized. Compared with other review articles, this article tries to cover more aspects of FC UAVs. Since these aspects have a tight relationship with each other, giving a comprehensive review can be more beneficial to us to understand the state-of-the-art development of propulsion systems for FC UAVs. The conclusions show that advanced propulsion architectures, efficient online energy management strategies, and professional design procedures are still in urgent demand in the commercial process of FC UAVs.
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