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World Electric Vehicle Journal, Volume 16, Issue 5

May 2025 - 47 articles

Cover Story: How reliable are current battery aging tests compared to actual battery electric vehicle usage? While laboratory test procedures aim to accelerate degradation, they often neglect key operational features such as frequent and extended rest phases. These pauses enable internal relaxation processes that influence lithium distribution and degradation characteristics. Ignoring such effects in long-term aging tests alters cell behavior and results in inaccurate lifetime predictions. Emerging insights into the interplay between cycling protocols, stress factors, and cell inhomogeneities call for a reassessment of standard test designs. Aligning accelerated aging methods more closely with real-world conditions is essential to ensure meaningful and reliable evaluation of battery performance and durability. View this paper
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Articles (47)

  • Article
  • Open Access
1,428 Views
21 Pages

This paper presents an optimization model for the charging infrastructure of electric vehicles (EV) designed to minimize installation costs, maximize the utilization of photovoltaic energy, reduce dependency on the electrical grid, and optimize charg...

  • Article
  • Open Access
2 Citations
1,503 Views
18 Pages

The aging effect weakens the capacity of lithium batteries, seriously affecting the performance of electric vehicles. Developing state-of-health estimation technology for lithium batteries can help to optimize the charging and discharging strategies...

  • Article
  • Open Access
1 Citations
1,903 Views
22 Pages

A Road-Adaptive Vibration Reduction System with Fuzzy PI Control Approach for Electric Bicycles

  • Chao-Li Meng,
  • Van-Tung Bui,
  • Chyi-Ren Dow,
  • Shun-Ming Chang and
  • Yueh-E (Bonnie) Lu

Riding comfort and safety are essential requirements for any form of transportation but particularly for electric bicycles (e-bikes), which are highly affected by varying road conditions. These factors largely depend on the effectiveness of the e-bik...

  • Article
  • Open Access
767 Views
19 Pages

Stepwise Segmented Skewed Pole Modulation Vibration Reduction Design for Integer-Slot Motors

  • Huawei Wu,
  • Shaokang Lu,
  • Xiaoyuan Zhu,
  • Weiye Li and
  • Jianping Peng

To optimize the modulated vibration generated by the integer-slot interior permanent magnet synchronous motor (IPMSM), a stepwise segmented skewed pole method was proposed, using an 8-pole 48-slot IPMSM as an example. First, the vibration characteris...

  • Article
  • Open Access
3 Citations
783 Views
33 Pages

In order to solve the problems of traditional RRT algorithms that are too random in planning, have low planning efficiency, and have insufficient security, this paper proposes an algorithm that fuses APF and the improved bidirectional RRT* algorithm...

  • Article
  • Open Access
1 Citations
1,401 Views
22 Pages

Dynamic Closed-Loop Validation of a Hardware-in-the-Loop Testbench for Parallel Hybrid Electric Vehicles

  • Marc Timur Düzgün,
  • Christian Heusch,
  • Sascha Krysmon,
  • Christian Dönitz,
  • Sung-Yong Lee,
  • Jakob Andert and
  • Stefan Pischinger

The complexity and shortening of development cycles in the automotive industry, particularly with the rise in hybrid electric vehicle sales, increases the need for efficient calibration and testing methods. Virtualization using hardware-in-the-loop t...

  • Article
  • Open Access
2,147 Views
31 Pages

This article presents an alternative variant of motion planning techniques for autonomous vehicles (AVs) centered on an inverse approach that concurrently optimizes both trajectory and speed. This method emphasizes searching for a trajectory and dist...

  • Article
  • Open Access
1 Citations
1,801 Views
14 Pages

To address the performance degradation in model predictive control (MPC) under vehicle state uncertainties caused by external disturbances (e.g., crosswinds and tire cornering stiffness variations) and rigid constraint conflicts, we propose a robust...

  • Article
  • Open Access
3 Citations
2,494 Views
14 Pages

Experimental Study on Distributed Measurement of Internal Pressure in Lithium-Ion Batteries Using Thin-Film Sensors

  • Qingyun Liu,
  • Xiuwu Wang,
  • Jiangong Zhu,
  • Guiwen Jiang,
  • Xuezhe Wei and
  • Haifeng Dai

With the rapid development of electric vehicles, the safety and reliability of lithium-ion batteries (LIBs), as their core energy storage units, have become increasingly prominent. The variation in internal battery pressure is closely related to crit...

  • Article
  • Open Access
903 Views
14 Pages

This article introduces a novel hybrid database architecture that combines graph and time-series databases to enhance the storage and management of transportation data, particularly for electric vehicles (EVs). This model addresses a critical challen...

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World Electr. Veh. J. - ISSN 2032-6653