TY - GEN
T1 - Configuration Topology Synthesis and Parameter Optimization for a Novel Dual-Motor Coupling Drive System
AU - Li, Xinyong
AU - Jia, Jiangtao
AU - Li, Xueliang
AU - Liu, Houde
AU - Wu, Wei
N1 - Publisher Copyright:
© The Chinese Mechanical Engineering Society 2027.
PY - 2027
Y1 - 2027
N2 - This article proposes a novel dual-motor coupling drive system, consisting of two motors, a planetary gear mechanism, and a one-way clutch, with functional requirements for torque coupling mode at low speeds, speed coupling mode at medium to high speeds, and the ability to autonomously switch between modes. Based on the lever diagram theory model, the speed characteristics of the planetary gear mechanism are analyzed. Configuration feature matrices, variable-cell operation matrices, and dynamic characteristic matrices are constructed to achieve automatic generation and optimization of the configurations, resulting in 24 optimized configurations. Taking a 10-ton class 4 × 4 wheel hub drive special vehicle as a reference, the configuration that achieves the maximum transmission range is selected, and initial parameter matching is performed. The dynamic characteristics of the drive system are analyzed, and the initial parameters are used to form parameter optimization constraints. An objective function balancing both economy and reliability is established, and parameter optimization research is conducted using a genetic algorithm with an elite strategy. Compared to the original parameters, after optimization, the proportions of high-speed operating points for the first and second planet carriers are reduced by 78.52% and 71.39%, respectively, and the system’s power consumption is decreased by 10.97%, verifying the improvements in system reliability and economy through parameter optimization.
AB - This article proposes a novel dual-motor coupling drive system, consisting of two motors, a planetary gear mechanism, and a one-way clutch, with functional requirements for torque coupling mode at low speeds, speed coupling mode at medium to high speeds, and the ability to autonomously switch between modes. Based on the lever diagram theory model, the speed characteristics of the planetary gear mechanism are analyzed. Configuration feature matrices, variable-cell operation matrices, and dynamic characteristic matrices are constructed to achieve automatic generation and optimization of the configurations, resulting in 24 optimized configurations. Taking a 10-ton class 4 × 4 wheel hub drive special vehicle as a reference, the configuration that achieves the maximum transmission range is selected, and initial parameter matching is performed. The dynamic characteristics of the drive system are analyzed, and the initial parameters are used to form parameter optimization constraints. An objective function balancing both economy and reliability is established, and parameter optimization research is conducted using a genetic algorithm with an elite strategy. Compared to the original parameters, after optimization, the proportions of high-speed operating points for the first and second planet carriers are reduced by 78.52% and 71.39%, respectively, and the system’s power consumption is decreased by 10.97%, verifying the improvements in system reliability and economy through parameter optimization.
KW - Dual motor
KW - Parameter Optimization
KW - Planetary gear
KW - Topology synthesis
UR - https://www.scopus.com/pages/publications/105043697593
U2 - 10.1007/978-981-95-7904-4_100
DO - 10.1007/978-981-95-7904-4_100
M3 - Conference contribution
AN - SCOPUS:105043697593
SN - 9789819579037
T3 - Mechanisms and Machine Science
SP - 1383
EP - 1406
BT - Advances in Mechanical Design - Proceedings of The 2025 International Conference on Mechanical Design ICMD 2025
A2 - Tan, Jianrong
A2 - Liu, Zhenyu
A2 - Hu, Weifei
PB - Springer Science and Business Media B.V.
T2 - International Conference on Mechanical Design, ICMD 2025
Y2 - 9 May 2025 through 11 May 2025
ER -