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- W4313404489 abstract "An auxiliary protection device (rail holding mechanism) was proposed to control the collision attitude of subway vehicles. The dynamics model of head-on collision of subway vehicles was established and verified by the full-scale collision test of the real car; then the force element structure of the rail holding mechanism was equated; finally, the vertical lift and the pitch angle of the three characteristic sections of car body and the wheelsets were used as the evaluation indicators to study the effects of the three design parameters: the gap distance (x1), the linear stage distance (Δ x2) and the stiffness of linear stage (k1). The results show that the linear stage distance has little influence on the collision attitude of the car body, while the x1 and k1 had a greater influence on the collision attitude of the car body. The reasonable reduction of the gap distance x1 and increase the k1 can effectively reduce the vertical lift of the wheelsets and alleviate the nodding phenomenon of the train, and reduce the derailment and jumping phenomenon during the train collision." @default.
- W4313404489 created "2023-01-06" @default.
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- W4313404489 date "2022-12-16" @default.
- W4313404489 modified "2023-10-14" @default.
- W4313404489 title "Experimental and Numerical Study of Collision Attitude Auxiliary Protection Strategy for Subway Vehicles" @default.
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- W4313404489 doi "https://doi.org/10.3390/machines10121231" @default.
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