Journal of Shandong University(Engineering Science) ›› 2026, Vol. 56 ›› Issue (4): 176-187.doi: 10.6040/j.issn.1672-3961.0.2026.047

• Mechanical Engineering • Previous Articles    

Current situation and prospect of hydro-pneumatic suspension technology for heavy-duty vehicles

Zhu Qing1, Yang Xu2, Zhang Qiangqiang3, Feng Wen1*, Han Dong4, Zheng Yuanyuan5   

  1. Zhu Qing1, Yang Xu2, Zhang Qiangqiang3, Feng Wen1*, Han Dong4, Zheng Yuanyuan5(1. Shandong Academy of Innovation and Development, Jinan 250101, Shandong, China;
    2. Institute of Marine Science and Technology, Shandong University, Qingdao 266237, Shandong, China;
    3. Shandong Energy Institute, Qingdao 266101, Shandong, China;
    4. State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310027, Zhejiang, China;
    5. Xuzhou XCMG Hydraulic Components Co., Ltd., Xuzhou 221001, Jiangsu, China
  • Published:2026-08-12

Abstract: Based on an analysis of existing heavy-duty vehicles hydro-pneumatic suspension types and their characteristics, this paper reviewed the technology of hydro-pneumatic suspensions for heavy vehicles from two types of systems: independent suspension and interconnected suspension, and looked forward to the technological development trends. The independent suspension technology was divided into passive, semi-active, and active types, and the technical characteristics of different types of suspensions were analyzed and discussed respectively. The characteristics and research progress of interconnected suspensions were introduced from two aspects: interconnection form and control strategy. The development trends of heavy vehicle suspension systems in terms of green operation, intelligent control, networked management, and predictive maintenance were prospected. Through summarizing the research results of hydro-pneumatic suspension technology for heavy vehicles, the existing technical basis and existing problems could be clarified, laying a foundation for the next step of research.

Key words: heavy-duty vehicles, independent suspension, interconnected suspension, control strategy, green operation

CLC Number: 

  • TH137.7
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