Scholarlink

<p>To enhance the operational safety of monorail vehicles during long-term curve running, an in-depth analysis of tire mechanics was performed. First, the theoretical model was analyzed based on Newtonian mechanics, followed by the establishment of a refined vehicle model. On this basis, the time/frequency-domain tire forces and the influence of factors like tire stiffness on curve passing were analyzed, with a summary of the study finally presented. Results show that during curve negotiation, loads on some guide wheels increase, and two stabilizing wheels exhibit load-increasing faults in time-domain mechanical behavior. For frequency-domain behavior on a 100 m-radius curve, the primary vibration frequency of horizontal wheels' lateral force shifts right with speed; at 40 km/h, peak differences among three horizontal wheels and frequency differences between curve and straight running are observed. Reducing horizontal wheels' vertical stiffness is recommended, as it lowers wheel-rail friction while meeting curve-passing performance requirements. The analysis methods and conclusions provide theoretical guidance for tire parameter design and dynamic analysis of straddle-type monorail vehicles.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Horizontal wheels dynamics characteristics of straddled monorail vehicles when curves are passed

  • 期刊论文

  • 发表日期：

    2026年1月9日

查看全文
  • Shengfei Zhou,
  • Ying Zhang,
  • Guibin Huang,
  • Kuilin Qu,
  • Dongwei Yi

摘要

To enhance the operational safety of monorail vehicles during long-term curve running, an in-depth analysis of tire mechanics was performed. First, the theoretical model was analyzed based on Newtonian mechanics, followed by the establishment of a refined vehicle model. On this basis, the time/frequency-domain tire forces and the influence of factors like tire stiffness on curve passing were analyzed, with a summary of the study finally presented. Results show that during curve negotiation, loads on some guide wheels increase, and two stabilizing wheels exhibit load-increasing faults in time-domain mechanical behavior. For frequency-domain behavior on a 100 m-radius curve, the primary vibration frequency of horizontal wheels' lateral force shifts right with speed; at 40 km/h, peak differences among three horizontal wheels and frequency differences between curve and straight running are observed. Reducing horizontal wheels' vertical stiffness is recommended, as it lowers wheel-rail friction while meeting curve-passing performance requirements. The analysis methods and conclusions provide theoretical guidance for tire parameter design and dynamic analysis of straddle-type monorail vehicles.