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Reliability Considerations of the Common Unit in Hybrid Electric Propulsion

Sinem Can, Cemre Gizem Gül, Elif Koruyucu, Melih Yildiz

IOP Conference Series: Materials Science and Engineering, 1226(1), 012076, 2022 · IOP Publishing

Abstract

Since the beginning of aviation, reliability has been one of the most important elements in terms of flight safety and certification. Reliability starts from the smallest part of the aircraft and covers all components up to the entire system. The use of a hybrid-electric propulsion system has become one of the important study topics today. When hybrid-electric propulsion architectures are examined, it is seen that some elements are repeating which the authors named as common unit. This common unit is similar to the all-electric propulsion architecture and consists of a battery, battery management system, and power electronics which are used in conjunction with the hybrid-electric systems. In this study, the components and units used in the hybrid-electric propulsion system and the common unit has been examined for reliability. The common unit is proposed as a means of simplification of both the sizing and certification of the hybrid electric architecture. The reliability of the battery, battery management system, and power electronics within the system that makes up the common unit is discussed in detail for determining the reliability of the hybrid electric architecture.

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NASA's X-57 Maxwell electric aircraft during ground telemetry testing
NASA's X-57 Maxwell electric aircraft during ground telemetry testing.Photo: Monroe Conner · public domain · NASA Image and Video Library

Keywords

Electrically powered spacecraft propulsionPropulsionBattery (electricity)Reliability (semiconductor)EngineeringSizingAutomotive engineeringReliability engineering

DOI

10.1088/1757-899x/1226/1/012076

Cite · BibTeX

@inproceedings{can2022reliability,
  title = {Reliability Considerations of the Common Unit in Hybrid Electric Propulsion},
  author = {Sinem Can and Cemre Gizem Gül and Elif Koruyucu and Melih Yildiz},
  booktitle = {IOP Conference Series: Materials Science and Engineering},
  year = {2022},
  volume = {1226},
  number = {1},
  pages = {012076},
  publisher = {IOP Publishing},
  doi = {10.1088/1757-899x/1226/1/012076},
}