Influence of non-standard seating postures on safety of motorcoach passengers in frontal collisions: A numerical study

Kuznetcov, Anton; Telichev, Igor

doi:10.1016/j.ssci.2018.10.018

Cited by 4 publications

(1 citation statement)

References 6 publications

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“…In summary, active seat belts can reduce OOP instances during precrash AEB. Conventional driver restraint systems were developed for the normal sitting position in frontal and rear-end conditions [21]. During side impacts, the driver's upper body tilt increases OOP instances and the complexity of the driver's dynamic response, increasing the risk of driver injury [22,23].…”

Section: Introductionmentioning

confidence: 99%

Driver Injury from Vehicle Side Impacts When Automatic Emergency Braking and Active Seat Belts Are Used

Dao-wen

Liu

2023

Sensors

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As an advanced driver assistance system, automatic emergency braking (AEB) can effectively reduce accidents by using high-precision and high-coverage sensors. In particular, it has a significant advantage in reducing front-end collisions and rear-end accidents. Unfortunately, avoiding side collisions is a challenging problem for AEB. To tackle these challenges, we propose active seat belt pretensioning on driver injury in vehicles equipped with AEB in unavoidable side crashes. Firstly, records of impact cases from China’s National Automobile Accident In-Depth Investigation System were used to investigate a scenario in which a vehicle is impacted by an oncoming car after the vehicle’s AEB system is triggered. The scenario was created using PreScan software. Then, the simulated vehicles in the side impact were devised using a finite element model of the Toyota Yaris and a moving barrier. These were constructed in HyperMesh software along with models of the driver’s side seatbelt, side airbag, and side curtain airbag. Moreover, the models were verified, and driver out-of-position instances and injuries were evaluated in simulations with different AEB intensities up to 0.7 g for three typical side impact angles. Last but not least, the optimal combination of seatbelt pretensioning and the timing thereof for minimizing driver injury at each side impact angle was identified using orthogonal tests; immediate (at 0 ms) pretensioning at 80 N was applied. Our experiments show that our active seatbelt with the above parameters reduced the weighted injury criterion by 5.94%, 22.05%, and 20.37% at impact angles of 90°, 105°, and 120°, respectively, compared to that of a conventional seatbelt. The results of the experiment can be used as a reference to appropriately set the collision parameters of active seat belts for vehicles with AEB.

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Section: Introductionmentioning

confidence: 99%

Driver Injury from Vehicle Side Impacts When Automatic Emergency Braking and Active Seat Belts Are Used

Dao-wen

Liu

2023

Sensors

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Effect of hip flexion angle on lower limb injuries of occupants in autonomous vehicle crashes

Tian

Xiao

You

et al. 2022

Computer Methods in Biomechanics and Biomedical Engineering

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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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Influence of non-standard seating postures on safety of motorcoach passengers in frontal collisions: A numerical study

Cited by 4 publications

References 6 publications

Driver Injury from Vehicle Side Impacts When Automatic Emergency Braking and Active Seat Belts Are Used

Driver Injury from Vehicle Side Impacts When Automatic Emergency Braking and Active Seat Belts Are Used

Effect of hip flexion angle on lower limb injuries of occupants in autonomous vehicle crashes

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

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