Robust dynamic optimization of high-speed herringbone gear transmission system

doi:10.3969/j.issn.1000-1565.2025.02.003

Abstract

Abstract: To investigate a robust optimization design method for the dynamic performance of gear transmission systems, a high-speed herringbone gear transmission system is selected as the research object. First, a finite element model for dynamic analysis is established, and the vibration acceleration of the gearbox housing is calculated using the modal superposition method. Seven key structural parameters of the gearbox are chosen as design variables for dynamic optimization, with the objective of minimizing the root mean square(RMS)value of the surface vibration acceleration. The optimal design variables are obtained through the 6σ robust optimization method. Finally, vibration characteristic experiments are conducted on the optimized prototype. The results indicate that the gearbox housing does not experience resonance before or after optimization, with the acceleration reduced by more than 26.1% after optimization. Furthermore, the reliability of the optimized structure exceeds 97.1%.

Key words: high-speed herringbone gear, dynamic optimization, vibration acceleration, robust optimization

CLC Number:

TH132.4

ZHANG Yao,FENG Wei,ZHANG Guojian,SHANG Long,FAN Yaning,YUAN Xinyu. Robust dynamic optimization of high-speed herringbone gear transmission system[J]. Journal of Hebei University(Natural Science Edition), 2025, 45(2): 131-139.

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