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Development of Shift Map for Electric Commercial Vehicle and Comparison Verification of Pneumatic 4-Speed AMT and 4-Speed Transmission with Synchronizer in Simulation

Author

Listed:
  • Joohyung Kim

    (Platform Safety Technology R&D Department, Korea Automotive Technology Institute, 303 Pungse-ro, Cheonan-si 31214, Republic of Korea
    Department of Mechanical Engineering, Sungkyunkwan University, 2066 Seobu-ro, Suwon-si 16419, Republic of Korea)

  • Yoonkwon Lee

    (Vehicle Platform Team, Jeonbuk Institute of Automotive Convergence Technology, 6 Dongjangsan 2-gil, Gunsan-si 54158, Republic of Korea)

  • Hyomin Jin

    (Platform Safety Technology R&D Department, Korea Automotive Technology Institute, 303 Pungse-ro, Cheonan-si 31214, Republic of Korea)

  • Seunguk Park

    (Platform Safety Technology R&D Department, Korea Automotive Technology Institute, 303 Pungse-ro, Cheonan-si 31214, Republic of Korea)

  • Sung-Ho Hwang

    (Department of Mechanical Engineering, Sungkyunkwan University, 2066 Seobu-ro, Suwon-si 16419, Republic of Korea)

Abstract

As the automotive industry transitions from internal combustion engine vehicles to the era of electric cars, extensive research is being conducted in the field of electric vehicles. While a significant portion of this research focuses on the electrification of passenger cars, commercial vehicles have experienced relatively modest changes towards electric propulsion. Particularly, challenges related to power and efficiency have prompted a concentrated effort in addressing these issues. However, improvements in the efficiency of motors and inverters are reaching their limits, necessitating the development of multi-speed transmissions for electric commercial vehicles to enhance overall system efficiency. In this paper, the development of a 4-speed transmission with a synchronizer designed for electric commercial vehicles is presented as part of a project. A transmission shift map was developed, and verification of increased power and efficiency was conducted through a comparison with the existing product (a pneumatic 4-speed internal combustion engine transmission) installed in the target commercial vehicle. The study utilized vehicle dynamics, component modeling, and simulation environments to assess the improvements in performance.

Suggested Citation

  • Joohyung Kim & Yoonkwon Lee & Hyomin Jin & Seunguk Park & Sung-Ho Hwang, 2024. "Development of Shift Map for Electric Commercial Vehicle and Comparison Verification of Pneumatic 4-Speed AMT and 4-Speed Transmission with Synchronizer in Simulation," Energies, MDPI, vol. 17(5), pages 1-21, February.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:5:p:1038-:d:1343970
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    References listed on IDEAS

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    1. Dmytro Konovalov & Ignat Tolstorebrov & Trygve Magne Eikevik & Halina Kobalava & Mykola Radchenko & Armin Hafner & Andrii Radchenko, 2023. "Recent Developments in Cooling Systems and Cooling Management for Electric Motors," Energies, MDPI, vol. 16(19), pages 1-31, October.
    2. Navid Balazadeh Meresht & Sina Moghadasi & Sandeep Munshi & Mahdi Shahbakhti & Gordon McTaggart-Cowan, 2023. "Advances in Vehicle and Powertrain Efficiency of Long-Haul Commercial Vehicles: A Review," Energies, MDPI, vol. 16(19), pages 1-37, September.
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