Lz-Transform Approach for Fault Tolerance Assessment of Various Traction Drives Topologies of Hybrid-Electric Helicopter

Ilia Frenkel (), Igor Bolvashenkov, Hans-Georg Herzog and Lev Khvatskin
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Ilia Frenkel: Sami Shamoon College of Engineering
Igor Bolvashenkov: Technical University of Munich
Hans-Georg Herzog: Technical University of Munich
Lev Khvatskin: Sami Shamoon College of Engineering

A chapter in Recent Advances in Multi-state Systems Reliability, 2018, pp 321-342 from Springer

Abstract: Abstract This chapter presents a preliminary analysis of fault tolerance, availability and performance assessment of the two promising options of the hybrid-electric traction drive version for the helicopter, which can be treated as multi-state system, where components and entire system in general case have an arbitrary finite number of states corresponding to the different performance rates. The performance rate (output nominal power) of the system at any time instant is interpreted as a discrete-state continuous-time stochastic process. In the present chapter, the Lz-transform is applied to a real multi-state hybrid-electric traction drive version for the helicopter system that is functioning under various stochastic demands and its availability and performance is analyzed. It is shown that Lz-transform application drastically simplifies the availability computation for such a system compared with the straightforward Markov method.

Keywords: Hybrid-electric traction drive; Availability; Performance assessment; Lz-transform; Multi-state system; Discrete-state continuous-time stochastic process (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:spr:ssrchp:978-3-319-63423-4_17

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DOI: 10.1007/978-3-319-63423-4_17

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