Accessibility Evaluation Method for Handrails in Passenger Carriages of Urban Rail Trains Based on Digital Human Grasping Posture

LIU Hainan; WANG Hongbao; ZHAO Xiao; ZHANG Yixin; XIANG Zerui

doi:10.19554/j.cnki.1001-3563.2026.16.004

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Packaging Engineering ›› 2026, Vol. 47 ›› Issue (16) : 45-51. DOI: 10.19554/j.cnki.1001-3563.2026.16.004

Special subject: Key Technologies and Applications of Digital Humans in Complex-Equipment Scenarios

Accessibility Evaluation Method for Handrails in Passenger Carriages of Urban Rail Trains Based on Digital Human Grasping Posture

LIU Hainan¹, WANG Hongbao¹, ZHAO Xiao^2a, ZHANG Yixin^2a, XIANG Zerui^2a,b*

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Abstract

The work aims to propose an accessibility evaluation method for handrails in passenger carriages of urban rail trains based on digital human grasping postures to assess the rationality of handrail layout schemes in passenger carriages of urban rail trains. First, a passenger carriage environment incorporating various types of handrails was constructed using 3D design software, and typical digital human models were built in JACK with adapted gripping postures for each handrail type. Then, the maximum gripping dimensions of typical digital humans corresponding to each handrail type were measured in the 3D software, thereby deriving the grip coverage area for each handrail type. Finally, the grip coverage areas of all handrails were plotted in AutoCAD, and the rationality of the handrail layout scheme was evaluated by examining whether any coverage blind zones existed. The case showed that this method could measure the grip coverage areas for typical percentile digital humans (both female and male) using various handrails and visually determine whether blind zones existed in the handrail layout of the passenger carriage. The method can quickly identify design flaws in the handrail layout in passenger carriages of urban rail trains and provide a reference for evaluating handrail layout design schemes.

Key words

urban rail trains / handrails in passenger carriages / accessibility evaluation / digital human grasping postures

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LIU Hainan, WANG Hongbao, ZHAO Xiao, ZHANG Yixin, XIANG Zerui. Accessibility Evaluation Method for Handrails in Passenger Carriages of Urban Rail Trains Based on Digital Human Grasping Posture[J]. Packaging Engineering. 2026, 47(16): 45-51 https://doi.org/10.19554/j.cnki.1001-3563.2026.16.004

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