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Configuration Synthesis of Novel Hybrid Transmission Systems Using a Combination of a Ravigneaux Gear Train and a Simple Planetary Gear Train

Author

Listed:
  • Thanh-Tho Ho

    (Department of Mechanical Engineering, National Cheng Kung University, 1, University Road, Tainan 70101, Taiwan)

  • Sheng-Jye Hwang

    (Department of Mechanical Engineering, National Cheng Kung University, 1, University Road, Tainan 70101, Taiwan)

Abstract

Thirty-two novel hybrid transmissions consisting of a Ravigneaux gear train and a single planetary gear train are synthesized using a creative design methodology based on graph-theory and the lever analogy method. The design process commences by identifying an existing transmission configuration which meets all of the design requirements. The chosen design is then used to synthesize all possible mechanism permutations which satisfy the design constraints. The feasible mechanisms which satisfy both the design requirements and the design constraints are converted into analogous levers. The levers which fail to provide the required operation modes of the hybrid transmission are eliminated and the remaining levers are assigned brakes and clutches in order to realize the final designs. The responsiveness of the new hybrid transmissions and the feasibility of the proposed design methodology are confirmed by analyzing the power flow and kinematics of one of the designs in all of the operation modes.

Suggested Citation

  • Thanh-Tho Ho & Sheng-Jye Hwang, 2020. "Configuration Synthesis of Novel Hybrid Transmission Systems Using a Combination of a Ravigneaux Gear Train and a Simple Planetary Gear Train," Energies, MDPI, vol. 13(9), pages 1-24, May.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:9:p:2333-:d:355136
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    References listed on IDEAS

    as
    1. Ngoc-Tan Hoang & Hong-Sen Yan, 2017. "Configuration Synthesis of Novel Series-Parallel Hybrid Transmission Systems with Eight-Bar Mechanisms," Energies, MDPI, vol. 10(7), pages 1-15, July.
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    Cited by:

    1. Wenjian Yang & Yongtao Li & Rongjiang Cui & Hongmei Kang, 2023. "A New Tree Graph Method for Synthesizing Planetary Gear Trains of Vehicle Powertrains," Energies, MDPI, vol. 16(20), pages 1-27, October.
    2. Wenjian Yang & Changping Li, 2022. "Symmetry Detection and Topological Synthesis of Mechanisms of Powertrains," Energies, MDPI, vol. 15(13), pages 1-22, June.
    3. Xueliang Li & Xinyu Kang & Xin Ba & Zengxiong Peng & Shujun Yang & Zhifu Zhao, 2022. "A Design Methodology for Dual-Mode Electro-Mechanical Transmission Scheme Based on Jointing Characteristics," Energies, MDPI, vol. 15(15), pages 1-15, July.

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