Wheelchair occupant kinematics during a rail carriage crash

Matsika, Emmanuel; Chirwa, E C; Qian, Ping; Myler, Peter; Nowpada, Sravanthi

doi:10.1080/13588265.2011.607000

Cited by 4 publications

(1 citation statement)

References 1 publication

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“…Without the use of seat belts, the occupant is faced with a high risk of unguided ejection. To minimize potential damage of the dummy, some researchers have used kinematics dummies [16]. Even though such dummies are not instrumented, they provide a good source of kinetics behaviour of an occupant.…”

Section: Dummy Motion Trajectorymentioning

confidence: 99%

Occupant injury risk assessment and protective measures in frontal collision of a bus

Qian

Sun

Zhu

et al. 2018

International Journal of Crashworthiness

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Newcastle Upon Tyne, NE1 7RU, UK; +44 1912086197; newrail@newcastle.ac.uk. Dr. Qian PENG is an associate professor of School of Mechanical and Automotive Engineering, Xiamen University of Technology. Main research interests include crashworthiness, biomechanics and lightweight. He carries out research on China Project to improve vehicle safety. Tingting SUN is a postgraduate student of Vehicle Engineering, School of Mechanical and Automotive Engineering, Xiamen University of Technology, majoring in crashworthiness. Pengpeng ZHU is a postgraduate student of Vehicle Engineering, School of Mechanical and Automotive Engineering, Xiamen University of Technology, majoring in crashworthiness. Fenggang HAN is a senior engineer of Xiamen University of Technology. His research fields are bus development project management and vehicle quality evaluation; CAE analysis and lightweight research on bus and components. Dr. Emmanuel Matsika is a research associate at NewRail. He carries out research on EU Projects aimed at improving safety of passenger railway vehicles, and enhancing the performance of railway freight vehicles.Abstract: A significant issue worldwide is a bus frontal collision which can result in more than 10 fatalities per incident. The purpose of this study is to develop recommendations aimed at reducing occupant injury risk in such frontal collisions.To assess potential injuries, sled tests were carried out based on ECE R80. The influence of a lap belt on the kinematics and injury characteristics of the occupant was investigated. A LS-DYNA and MADYMO coupling method was used to study the influence of seat layout variables including seat pitch, height difference and back inclination angle on injury to different occupant body parts. By applying a combination of ECE R80 with FMVSS 208, the effectiveness and relevance of current test methods on occupant injury were evaluated. Subsequently, the protection measures were developed to reduce occupant injury risk. The resultsshow that secondary collision with the front seat back can cause severe head and neck injuries. Although the lap belt can restrict the movement of the pelvis and lower limbs, the collision and relative slippage between the head and the front seat back can still cause a high neck bending moment. The study further reveals that seat layout variables should be design-specified to optimal values that minimize such injuries. Recommendations have been made on the development of government policy and industry standards aimed at improving the occupant injury risk in a frontal crash. It is strongly recommended to include injury severity based on head acceleration (not only HIC) and neck injury criteria.

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Section: Dummy Motion Trajectorymentioning

confidence: 99%

Occupant injury risk assessment and protective measures in frontal collision of a bus

Qian

Sun

Zhu

et al. 2018

International Journal of Crashworthiness

View full text Add to dashboard Cite

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Kinematics and injury risk of a wheelchair occupant in a railway vehicle crash

Matsika

Chirwa

Qian

2014

International Journal of Crashworthiness

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A review of train passenger safety—Inspiration from passive safety passenger protection technology of automobile

Xiao

Yao

2021

Transportation Safety and Environment

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A train collision accident will cause many casualties, so the passive safety protection of the train occupants is very important. The purpose of this article is to obtain recommendations on the research directions of train passenger safety by comparing the passive safety protection of passengers in the fields of automobiles and trains. First, we analyse the collision standards and regulations of automobiles and trains and summarize the content related to the passive safety protection of occupants. Then, based on an extensive literature review, the development status of passive safety protection for automobiles and trains is analysed from three aspects: interior, human characteristics and passenger posture. Finally, some conclusions and recommendations on passive safety protection of train passengers are put forward. The protection method provided by automobile interiors is mainly restraints, while in trains it is mainly separation. For human characteristics, in addition to male and female, the elderly, obese and children are also studied in the automobile. As for posture, the automobile mainly focuses on the posture in reality and future automated vehicles, while in train, there is more research on lateral passengers and standing passengers. Although the protection of automobiles and trains is different, for the passive safety protection of train passengers, the design of automobile interiors can be used for reference to reduce passenger injuries. In addition, human characteristics and posture have a great impact on passenger injury, which should be considered in the passive safety protection of trains.

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Wheelchair occupant kinematics during a rail carriage crash

Cited by 4 publications

References 1 publication

Occupant injury risk assessment and protective measures in frontal collision of a bus

Occupant injury risk assessment and protective measures in frontal collision of a bus

Kinematics and injury risk of a wheelchair occupant in a railway vehicle crash

A review of train passenger safety—Inspiration from passive safety passenger protection technology of automobile

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