2022 Vol. 22, No. 2

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Review
Review on detection technologies of railway vehicle wheel flat fault
ZENG Jing, PENG Xin-yu, WANG Qun-sheng, ZHANG Hao, LIANG Song-kang
Abstract: From the impact effect of wheel flat of railway vehicle on track and its damage to vehicle parts, several schemes for the wheel flat detection were systematically combed out.The characteristics of various kinds of wheel flat fault detection methods were discussed, the advantages and disadvantages of...
2022, 22(2): 1-18. doi: 10.19818/j.cnki.1671-1637.2022.02.001
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Review on convective heat transfer in internal channel of ventilated brake disc of vehicle
LI Jie, TAO Long, GU Jia-ling, CHEN Cheng, CHEN Ying
Abstract: The research results of convective heat transfer in the internal channel of ventilated brake disc were summarized, and the influences of different structural designs on the heat transfer were analyzed from three aspects: mass flow, convective heat transfer coefficient and effective heat dissipation ...
2022, 22(2): 19-40. doi: 10.19818/j.cnki.1671-1637.2022.02.002
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Review on development of heterogeneous smart cooperative vehicular networks in rail transit
DONG Ping, YIN Chen-yang, ZHANG Yu-yang, ZHANG Hong-ke
Abstract: The research status of vehicular networks of rail transit both at home and abroad was analyzed from three aspects, i.e., cellular wireless access technology, non-cellular wireless access technology, and heterogeneous smart cooperative vehicular network access technology. Considering the problems of ...
2022, 22(2): 41-58. doi: 10.19818/j.cnki.1671-1637.2022.02.003
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Review on nonlinear model updating for bridge structures
WANG Zuo-cai, DING Ya-jie, GE Bi, YUAN Zi-qing, XIN Yu
Abstract: Due to the weakening of the structural mechanical properties during the service period of bridges, the nonlinear vibration with time-varying characteristics occurs. Considering this, the development of nonlinear model updating was reviewed, and on this basis, some critical problems existing in nonli...
2022, 22(2): 59-75. doi: 10.19818/j.cnki.1671-1637.2022.02.004
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Road and railway engineering
Track alignment irregularity control method for tamping operation of ballasted high-speed railway
SHI Jin, ZHANG Yu-xiao, CHEN Yun-feng, WANG Xiao-kai, WANG Ying-jie
Abstract: In order to improve the quality of tamping operation of ballasted high-speed railway to meet the requirement of track alignment irregularity control, the influencing factors of lining effect were analyzed according to the operation characteristics of large machine, and the relationships between lini...
2022, 22(2): 76-86. doi: 10.19818/j.cnki.1671-1637.2022.02.005
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Control method for insufficient displacement of switch rail in high-speed railway turnout
WANG Pu, ZENG Rui-dong, WANG Shu-guo
Abstract: To simulate the switching process of high-speed railway turnout switch under operating conditions, according to the switching characteristics of high-speed railway turnout switch, an experimental platform of the switching prototype of passenger dedicated railway No.18 turnout switch was established ...
2022, 22(2): 87-98. doi: 10.19818/j.cnki.1671-1637.2022.02.006
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Design method for asymmetric grinding profile of rails in sharp curves
LI Li, PENG Jing-kang, CUI Da-bin, LEI Peng-cheng
Abstract: For improving the performance of trains passing through sharp curves, the geometric derivation was performed on the profile of existing CN60 rails in China to design the target rail profile by asymmetric grinding. Taking the geometric parameters of the rail profile as design variables and the multi-...
2022, 22(2): 99-110. doi: 10.19818/j.cnki.1671-1637.2022.02.007
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Design method of grinding profile of over worn rail
LIN Feng-tao, DENG Zhuo-xin, PANG Hua-fei, WANG Song-tao, YANG Jian, DING Jun-jun, CHEN Dao-yun
Abstract: A rail profile design method with the arc tangency point as the key parameter was proposed for the grinding of over worn rail. Specifically, taking the wheel-rail contact region as the optimization area and the rail wear and the removed amount of grinding material as the optimization objective funct...
2022, 22(2): 111-122. doi: 10.19818/j.cnki.1671-1637.2022.02.008
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Damage detection for floating-slab track steel-spring based on residual convolutional network
ZHU Sheng-yang, ZHANG Qing-lai, YUAN Zhan-dong, ZHAI Wan-ming
Abstract: As traditional fault diagnosis methods can hardly effectively detect the steel-spring damage of floating-slab track (FST), a damage detection method based on the one-dimensional residual convolutional network was proposed. A vehicle-FST coupled dynamics model was built, and the data sets for the flo...
2022, 22(2): 123-135. doi: 10.19818/j.cnki.1671-1637.2022.02.009
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Control threshold of pier settlement in high-speed railways based on train vibrations
CHEN Zhao-wei, ZHAI Wan-ming
Abstract: For the safety and smoothness of running trains in the pier settlement area of high-speed railways, a method to investigate the control threshold of pier settlement in high-speed railways was proposed based on the train-track-bridge dynamic interaction theory. The limit values of pier settlement in ...
2022, 22(2): 136-147. doi: 10.19818/j.cnki.1671-1637.2022.02.010
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Tunnel crack recognition method under image block
YIN Guan-sheng, GAO Jian-guo, SHI Ming-hui, JIN Ming-zhu, TUO Hong-liang, LI Chang, ZHANG Bo
Abstract: Considering the strong visual interference such as the non-uniform lighting, water seepage, and noise in tunnel lining surfaces, a crack inspection method based on image blocks was designed for tunnel lining. A rapid and automatic non-contact intelligent inspection system for the tunnel structure ap...
2022, 22(2): 148-159. doi: 10.19818/j.cnki.1671-1637.2022.02.011
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Calculation model of rock joint stiffness considering anisotropic morphology characteristics
BAO Han, XU Xun-hui, LAN Heng-xing, YAN Chang-gen, XU Jiang-bo, LIU Chang-qing
Abstract: To accurately and conveniently achieve the shear and normal stiffnesses of rock joint and analyze the deformation behavior characteristics of rock joint, the diorite joint from the Guanshan Tunnel was scanned to obtain the digital information of morphology. According to the digitized joint surface, ...
2022, 22(2): 160-175. doi: 10.19818/j.cnki.1671-1637.2022.02.012
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Regression analysis of influence law of urban pavement settlement caused by underpass tunnel construction in Beijing
WU Yi-min, LIU Yan-an, WANG Heng, HAN Da-you, CHEN Zi-fan, WANG Chao
Abstract: Taking the pavement settlement caused by pipe jacking tunnels in thermal engineering in Chaoyang District of Beijing as an example, the on-site measurement value and the theoretical computation values that only considering natural factors were compared and analyzed. With 279 tunnel underpass project...
2022, 22(2): 176-186. doi: 10.19818/j.cnki.1671-1637.2022.02.013
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Numerical simulation and law analysis of water accumulation distribution at superelevation transition section of multilane expressway
ZHAO Jian-you, GUO Wan-jiang, JIA Xing-li, CHEN Xing-peng
Abstract: In order to reveal the distribution law of water accumulation at the superelevation transition section of multilane expressway, the design parameters of the typical superelevation transition section of multilane expressway were selected based on the fluid dynamics theory, and the road design softwar...
2022, 22(2): 187-196. doi: 10.19818/j.cnki.1671-1637.2022.02.014
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Transportation vehicle engineering
Study of noise reduction effect and influencing parameters for a resilient wheel considering rotation effect
SHENG Xiao-zhen, GE Shuai, CHENG Gong, ZHOU Xin, HUANG Zhen-xin
Abstract: An resilient wheel and its prototype ordinary wheel were taken as the research objects, the 2.5D structural finite element method and 2.5D acoustic boundary element method were used to predict the vibration and sound radiation of the wheels under the excitation of a given wheel-rail roughness and co...
2022, 22(2): 197-207. doi: 10.19818/j.cnki.1671-1637.2022.02.015
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Thermal-mechanical coupling analysis of three-dimensional elastic-plastic wheel-rail sliding contact
YANG Bing, RONG You-xin, YANG Guang-wu, XIAO Shou-ne, ZHU Tao
Abstract: To improve the accuracy of thermal response analysis of wheel-rail sliding contact, on the basis of the Johnson-Cook material model, fully considering the temperature correlation of various material properties including the friction coefficient, three heat transfer modes, and the actual wheel-rail p...
2022, 22(2): 208-218. doi: 10.19818/j.cnki.1671-1637.2022.02.016
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Acquisition method of dynamic load of high-speed train gearbox bearing based on bench simulation model
DOU Shuo, LIU Zhi-ming, LI Qiang, REN Zun-song, YANG Guang-xue
Abstract: To acquire the dynamic loads of gearbox bearings for high-speed trains under the operational vibration environment, a bench simulation model for the gearbox of a high-speed train was built using the dynamics software SIMPACK. The multi-point coherent random vibration control algorithm based on the s...
2022, 22(2): 219-232. doi: 10.19818/j.cnki.1671-1637.2022.02.017
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Modeling and simulation of rescue boat's launching from a ship
QIU Shao-yang, REN Hong-xiang, ZHANG Xiu-feng, WANG De-long, SUN Jian, XIAO Fang-bing
Abstract: The model of rescue boat launching was built by using the Kane's method, and the coupled motion of the rescue boat, flexible boom, sling, and ship was considered. The boom model was constructed by using the lumped mass method, and the internal force of the boom was calculated by the elastic strain e...
2022, 22(2): 233-245. doi: 10.19818/j.cnki.1671-1637.2022.02.018
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Transportation planning and management
Non-FIFO vehicle trajectory estimation algorithm under non-free traffic flow
HU Yao, ZHAO Rui-sha
Abstract: The traffic state of the triangular fundamental diagram (TFD) was subdivided into free flow, breakdown, and jam. According to the non-free flow characteristics, the U-shaped spatial-temporal domain was re-divided to find the suitable wave velocity range. The cumulative flow of the upstream boundary ...
2022, 22(2): 246-258. doi: 10.19818/j.cnki.1671-1637.2022.02.019
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Global bilevel polynomial optimization model for continuous traffic network design
YU Li-jun, CHEN Rui
Abstract: A global bilevel polynomial optimization model for a typical continuous traffic network design problem was proposed. In this model, all the functions are polynomials, and the lower-level problem is a convex problem. The upper-level problem is to optimize the network performance, and the lower-level ...
2022, 22(2): 259-267. doi: 10.19818/j.cnki.1671-1637.2022.02.020
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Rapid prediction and rerouting planning method of suborbital debris hazard zones during high-density space launches
CHEN Wan-tong, TIAN Shu-yu
Abstract: Considering the potential risk of aircraft disintegration that may occur in the increasingly frequent commercial suborbital launch activities, a covariance propagation method was used to predict the propagation range of debris from the suborbital disintegration accidents. The method converted the de...
2022, 22(2): 268-276. doi: 10.19818/j.cnki.1671-1637.2022.02.021
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Operation optimization of container train liner based on railway freight capacity
LIAN Feng, DU Yi-ying, YANG Zhong-zhen
Abstract: The OD passenger flows between railway stations were estimated by the big data mining method, and the choice preferences of railway passengers for high-speed and non-high-speed railways were analyzed by investigation, and thus the supply-demand relationship and equilibirum of passenger transportatio...
2022, 22(2): 277-286. doi: 10.19818/j.cnki.1671-1637.2022.02.022
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Virtual port modeling method based on dynamic fluid field data
CHEN Li-jia, WANG Kai, WEI Tian-ming, HAO Guo-zhu
Abstract: To achieve the digital upgradation of ports, a virtual port modeling method based on the dynamic flow field data was proposed. The geometric feature of a port was reconstructed by the three-dimensional (3D) reconstruction model with the aerial image data of unmanned aerial vehicle (UAV) oblique phot...
2022, 22(2): 287-297. doi: 10.19818/j.cnki.1671-1637.2022.02.023
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Traffic information engineering and control
Early warning method for heavy landing of civil aircraft based on real-time monitoring parameters
CAI Jing, CAI Kun-ye, HUANG Shi-jie
Abstract: It was considered that the heavy landing events of civil aircraft can only be reported by pilots or checked passively by the maintenance personnels afterward at present, an early warning method for the heavy landing of civil aircraft based on real-time monitoring parameters was proposed. The influen...
2022, 22(2): 298-309. doi: 10.19818/j.cnki.1671-1637.2022.02.024
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Evaluation method of train communication network performance based on normal cloud model and fuzzy analytic hierarchy process
HE De-qiang, LIU Guo-qiang, CHEN Yan-jun, MIAO Jian, YAO Xiao-yang
Abstract: To ensure the safety and reliability of high-speed trains, a method for evaluating the performance of train communication networks (TCNs) was studied. A suitable system of performance evaluation indexes was proposed by considering the stringent requirements for TCNs in terms of real-time responsiven...
2022, 22(2): 310-320. doi: 10.19818/j.cnki.1671-1637.2022.02.025
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