Reliability evaluation of non-repairable propulsion systems of hybrid-electric helicopter with different level of hybridization

Igor Bolvashenkov, Jorg Kammermann, Hans Georg Herzog, Wenbin Zeng

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

The paper describes the reliability comparative analysis of a hybrid-electric helicopter traction drive with two competitive topologies. The entire propulsion system reliability assessment is based on the reliability evaluation of the system components. The dependency of reliability of the helicopter's propulsion system on the degree of hybridization is presented. Additionally, with the graphs of the variation in the probability of failure-free operation, recommendations how to improve the reliability indices of the hybrid-electric helicopter's traction drive was made.

Original languageEnglish
Title of host publication2019 14th International Conference on Ecological Vehicles and Renewable Energies, EVER 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728137032
DOIs
StatePublished - May 2019
Event14th International Conference on Ecological Vehicles and Renewable Energies, EVER 2019 - Monte-Carlo, Monaco
Duration: 8 May 201910 May 2019

Publication series

Name2019 14th International Conference on Ecological Vehicles and Renewable Energies, EVER 2019

Conference

Conference14th International Conference on Ecological Vehicles and Renewable Energies, EVER 2019
Country/TerritoryMonaco
CityMonte-Carlo
Period8/05/1910/05/19

Keywords

  • Electric propulsion system
  • Hybrid-electric helicopter
  • Level of redundancy
  • Markov Model
  • Non-repairable system
  • Reliability
  • The degree of hybridization

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