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Torsional Vibration Characteristics and Suppression Method of Drivetrain Considering Asymmetric Loads
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Dianzhao Yang1, Hui Liu1, 2, Pu Gao1, 2, Changle Xiang1
Automotive Engineering | 2025, 47(5) : 897 - 909
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Automotive Engineering | 2025, 47(5): 897-909
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Torsional Vibration Characteristics and Suppression Method of Drivetrain Considering Asymmetric Loads
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Dianzhao Yang1, Hui Liu1, 2, Pu Gao1, 2, Changle Xiang1
Affiliations
  • 1 School of Mechanical Engineering and Vehicular Engineering，Beijing Institute of Technology，Beijing 100081
  • 2 B&H Unmanned Intelligent System Research Institute，Beijing Institute of Technology，Hefei 230041
Published: 2025-05-25 doi: 10.19562/j.chinasae.qcgc.2025.05.010
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The dualmotor coupled drive is a common configuration for the Electromechanical Transmission (EMT) system in tracked vehicles, which is characterized by inputoutput coupling, high power transmission efficiency, and variable load conditions. However, most existing torsional vibration control strategies for EMT are designed for symmetric excitation conditions on both sides, which do not align well with realworld operating scenarios. To improve the torsional vibration under asymmetric excitation, an EMT torsional vibration model is first established to investigate the vibration energy coupling effect between the two sides of the EMT under asymmetric excitation and its influence mechanism on the system's dynamic behavior. Based on these findings, a disturbance compensation method based on dualloop feedback is proposed, and a torsional vibration suppression strategy tailored for EMT under asymmetric excitation is developed. Verification results show that this strategy can effectively suppress torsional vibration of the EMT system under such excitation conditions.

tracked vehicle  /  electro-mechanical transmission system  /  asymmetric excitation  /  torsional vibration  /  decoupling
Dianzhao Yang, Hui Liu, Pu Gao, Changle Xiang. Torsional Vibration Characteristics and Suppression Method of Drivetrain Considering Asymmetric Loads[J]. Automotive Engineering, 2025 , 47 (5) : 897 -909 . DOI: 10.19562/j.chinasae.qcgc.2025.05.010
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Article Info
doi: 10.19562/j.chinasae.qcgc.2025.05.010
  • Receive Date：2025-02-14
  • Online Date：2025-07-08
  • Published：2025-05-25
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History
  • Received：2025-02-14
  • Revised：2025-03-23
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Affiliations
    1 School of Mechanical Engineering and Vehicular Engineering，Beijing Institute of Technology，Beijing 100081
    2 B&H Unmanned Intelligent System Research Institute，Beijing Institute of Technology，Hefei 230041
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光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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