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Abstract
The reliability of Electric Vehicle Motor Controllers (EVMCs) is critical for the safety and performance of electric vehicles (EVs). Traditional reliability prediction models often fall short due to their reliance on linear assumptions and time-invariant factors, failing to capture the complex, nonlinear, and time-dependent nature of real-world operational conditions. The lower Concordance index (C-index) scores limit the time-series intelligent methods that address the nonlinear time-dependent characteristic. To address this gap, this paper proposes an Extended Hazard Nonlinear and Time-Dependent (EHNTD) strategy based on the Lifelines Python library, specifically targeting the reliability of EVMC. The prediction methodology adheres to Automotive Electronics Council (AEC) standards, using estimated failure data under desired operating conditions. The EHNTD reliability prediction technique demonstrates superior accuracy for EVMC, achieving a C-index of 0.95 and outperforming other intelligent methods for nonlinear hazard data. The insights and proposed EHNTD approach presented in this paper are intended to advance EVMC reliability studies and can be applied in the broader field of data-extended reliability engineering and research.
Original language | English |
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Article number | 10879369 |
Pages (from-to) | 30505-30522 |
Number of pages | 18 |
Journal | IEEE Access |
Early online date | 10 Feb 2025 |
DOIs | |
Publication status | E-pub ahead of print - 10 Feb 2025 |
Bibliographical note
Publisher Copyright:© 2013 IEEE.
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AI-Driven Adaptive Fast Charging for Electrical Vehicles- Empowering Skills and Curriculum Development
Al-Greer, M. (PI)
13/02/25 → 12/01/26
Project: Research