• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database

2019 Vol. 54, No. 4

Display Method:
Control Strategy Based on State Machine for Fuel Cell Hybrid Power System
CHENG Weirong, YAN Yu, LI Qi
2019, 54(4): 663-670. doi: 10.3969/j.issn.0258-2724.20170279
Abstract:
For the hybrid tram power system that consists of two sets of high-power fuel cells, supercapacitors and power batteries, an energy management strategy based on state machine is proposed to meet the requirements of operating conditions. First of all, the state machine is adopted as the basic archite...
Multi-Objective Optimum Design for in-Wheel Motor Based on Improved Artificial Bee Colony Algorithm
ZHANG Heshan, DENG Zhaoxiang, TUO Jiying, ZHANG Yu, TAO Shengchao
2019, 54(4): 671-678. doi: 10.3969/j.issn.0258-2724.20170094
Abstract:
In order to improve the power density of the in-wheel motor and reduce its material cost, an improved artificial bee colony (IABC) algorithm was proposed to optimize the performance of the in-wheel motor. Firstly, the expressions for the performances of the permanent-magnet in-wheel motor with outer...
Influence of Electrode Gap on Characteristics of Dielectric Barrier Discharge
LI Chunmao, DONG Lei, PENG Kaisheng, WEI Wenfu, GAO Guoqiang, WU Guangning
2019, 54(4): 679-685, 693. doi: 10.3969/j.issn.0258-2724.20170444
Abstract:
To gain a better understanding of the influence of the electrode gap on the SDBD (surface dielectric barrier discharge) actuator discharge characteristics, plasma extension, and power consumption were analysed using a camera and oscilloscope under different electrode gaps. Meanwhile, the temperature...
Contamination Degree Prediction of Insulators Based on Hyperspectral Imaging Technology
LI Hengchao, TAN Bei, YANG Gang, SHI Chaoqun, ZHANG Xueqin, WU Guangning
2019, 54(4): 686-693. doi: 10.3969/j.issn.0258-2724.20180267
Abstract:
Insulator image can be acquired by hyperspectral imaging technology in a non-contact way, and hyperspectral image has some advantages such as the properties of multi-band, and merging image and spectrum. For this reason, the paper proposes a method to predict contamination degree of insulators based...
Fatigue Performance of Orthotropic Steel Decks with Thickened Edge U-Ribs
ZHENG Kaifeng, HENG Junlin, HE Xiaojun, ZHANG Yu
2019, 54(4): 694-700. doi: 10.3969/j.issn.0258-2724.20170555
Abstract:
The fatigue performance of rib-to-deck (RD) joints is expected to be enhanced by the application of the orthotropic steel deck (OSD) with thickened edge U-ribs (TEUs). To investigate its actual fatigue performance and the mechanism of enhancement, the RD joints in the OSD with TEUs using the fatigue...
Trigonometric Series Solution of Bending Deformation for Composite Beam with Steel Corrugated Webs
YE Huawen, WANG Liwu, ZHANG Qing, XU Xun, WEI Xing
2019, 54(4): 701-708, 723. doi: 10.3969/j.issn.0258-2724.20170277
Abstract:
In order to study the influence of shear deformation on the bending deformation of composite beams with steel corrugated steel webs, trigonometric series solution was introduced to simulate the deformation of the components (web and flange) of the beam according to the plane-section assumption, and ...
Lower Vertical Frequency Limit for Simply Supported Box-Girder on Moscow-Kazan High-Speed Railway Line
SONG Xiaodong, QIU Xiaowei, LI Xiaozhen, LIU Dejun, GUO Jianxun
2019, 54(4): 709-714. doi: 10.3969/j.issn.0258-2724.20170306
Abstract:
To study the lower vertical basic frequency limit of a simply supported box-girder on the Moscow-Kazan high-speed railway line, firstly, the vertical fundamental frequency of the prestressed concrete (PC) simply supported box-girder was calculated with theoretical formula. Then, according to the pri...
Influence of Section Types on Noise from Elevated Rail Transit Lines
GU Minjie, LI Wuqian, LI Qi
2019, 54(4): 715-723. doi: 10.3969/j.issn.0258-2724.20180262
Abstract:
Simply-supported pre-stressed concrete bridges are widely adopted in urban elevated rail transit systems. The section types of the bridges not only affect bridge vibration and structural acoustic radiation, but also have an indirect influence on the propagation of wheel-rail noise. Thus, this work a...
Vortex-Induced Vibration Performance and Control Measures of Wide Twin-Box Girder
MA Cunming, WANG Junxin, LUO Nan, LI Hongjiu, LIAO Haili
2019, 54(4): 724-730. doi: 10.3969/j.issn.0258-2724.20161029
Abstract:
In order to study the vortex-induced vibration (VIV) characteristics and control methods of wide twin-box girder bridges, a long-span suspension bridge with twin-box girder and a total girder width of 64.1 m was modeled in a 1∶70 scale ratio and wind tunnel tests for this model were carried out unde...
Effect of Pule-Like Ground Motion on Seismic Performance of Concrete-Filled Steel Tubular Arch Bridge
LI Xi, HE Lan, LI Qian, PAN Yi
2019, 54(4): 731-740. doi: 10.3969/j.issn.0258-2724.20180855
Abstract:
To study the seismic performance of a concrete-filled steel tubular (CFST) arch bridge under pulse-like ground motions, a comprehensive theoretical analysis is made of an actual CFST arch bridge under the action of non-pulse-like and pulse-like ground motions using time history analysis. The actual ...
Numerical Study on Wave-Induced Oscillatory Liquefaction in Anisotropic Seabed
DUAN Lunliang, ZHENG Dongsheng, WANG Shaohua, ZHANG Qibo
2019, 54(4): 741-747. doi: 10.3969/j.issn.0258-2724.20170810
Abstract:
In order to investigate the wave-induced oscillatory liquefaction in an anisotropic seabed, a two-dimensional numerical model for wave-seabed interactions is proposed. The reynolds-averaged navier-stokes (RANS) equation with the standard k-ε turbulence model was used to describe wave motions, and Bi...
Large Eddy Simulation of Aerodynamic Noise Field Around Super High-Rise Buildings
ZHU Zhiwen, DENG Yanhua
2019, 54(4): 748-756. doi: 10.3969/j.issn.0258-2724.20180066
Abstract:
In order to reveal the mechanism and spatial distribution characteristics of aerodynamic noise around super high-rise buildings, the flow field around super high-rise buildings in the atmospheric boundary layer is solved by using large eddy simulation (LES), and the sound pressure field is numerical...
Instability Properties and Deformation Control Methods of Rocks Surrounding Xigeda Strata
WANG Zhijie, ZHOU Ping, YANG Jianmin, CAO Xiaochuan, ZHAO Qichao, XU Haiyan, XU Ruining
2019, 54(4): 757-768. doi: 10.3969/j.issn.0258-2724.20170257
Abstract:
Xigeda strata are a type of fluvio-lacustrine deposit with half-diagenesis in southwest China, characterized by bad water stability; the deposits become mud and collapse when they come into contact with water; therefore, disasters are possible during the process of tunnel excavation. Large deformati...
Experiment Study on Non-limit Passive Earth Pressure of Clay under Different Displacement Modes
XIA Junwu, DOU Guotao, SU Qiong, BAI Weigang, YUAN Fang
2019, 54(4): 769-777. doi: 10.3969/j.issn.0258-2724.20170343
Abstract:
In order to reveal the depth distribution law of the non-limit passive earth pressure of clay on a rigid retaining wall under different displacement modes, translation and rotation experiments were carried out using the self-made model box. The influence of the three modes and corresponding displace...
Effect of Coarse Grain Content on Shear Strength of Mixed Soil in Western Sichuan
CUI Kai, SU Lei
2019, 54(4): 778-785. doi: 10.3969/j.issn.0258-2724.20180826
Abstract:
Mixed soil is widely distributed in the west of Sichuan, and the stability of the highway subgrade made up of mixed soil in mountainous areas is an issue needing urgent attention and research in engineering practices. Considering that mixed soil shear strength is affected greatly by the content of c...
Effect of Wetting-Drying Cycles on Mass and Deformation of Cement and Emulsified Asphalt Mortar
ZHOU Xiling, XIE Youjun, ZHENG Keren, ZENG Xiaohui
2019, 54(4): 786-792. doi: 10.3969/j.issn.0258-2724.20180261
Abstract:
The varying humidity of service environment due to the change of weather and climate has a significant influence on the mass and volume of CA (cement and emulsified asphalt) mortar, which further influences the geometrical size of track structure. To understand the effect of the variation of ambient...
Optimization Evaluation of Quality Classification of Concrete with Recycled Coarse Aggregate
LI Fuhai, JIN Hesong, YU Yongjiang, HU Zhiming, WANG Yibin
2019, 54(4): 793-800, 815. doi: 10.3969/j.issn.0258-2724.20170786
Abstract:
In order to overcome the errors caused by the subjective and discretionary factors of the recycled aggregate, select their quality scientifically and reasonably, a quality evaluation model for concrete with recycled coarse aggregate was established based on the combined weight-extension theory. Acco...
Evaluation Method of Maximum Shear Modulus of Cohesionless Soil Based on State Parameters from Piezocone Penteration Test
DUAN Wei, CAI Guojun, LIU Songyu
2019, 54(4): 801-807. doi: 10.3969/j.issn.0258-2724.20170432
Abstract:
The maximum shear modulus of soil is an important parameter for dynamic design of foundations and response analysis of seismic sites. At present, this parameter is mainly determined through laboratory tests, but such tests cannot represent the real situation in the field. Thus, in situ testing techn...
Ring-Net Subdivision Equivalent Model of Flexible Protection System
ZHAO Yana, YU Zhixiang, ZHAO Shichun
2019, 54(4): 808-815. doi: 10.3969/j.issn.0258-2724.20170949
Abstract:
The ring-net is an important interception component in passive flexible protection systems, and it has obvious nonlinear dynamic characteristics. Constructing a mechanical model of the ring network is the key problem in the theoretical study of the flexible protection structure. To propose an equiva...
Effect of Computational Grid on Uncertainty in Train Aerodynamics
LI Tian, QIN Deng, AN Chao, ZHANG Jiye
2019, 54(4): 816-822. doi: 10.3969/j.issn.0258-2724.20180503
Abstract:
To evaluate the effect of computational grid on the numerical simulation results of train aerodynamics in open air, the uncertainty of the computational grid on train aerodynamic characteristics is studied based on computational fluid dynamics. First, according to the grids of three sizes and the co...
Decision Making Model and Method Based on Distance Measure Between Interval Numbers in Railway Location
LIANG Dong, LI Yuanfu, FAN Min
2019, 54(4): 823-830. doi: 10.3969/j.issn.0258-2724.20180847
Abstract:
In order to solve the problem that quantitative and qualitative indexes are difficult to be unified into comprehensive fuzzy assessment of railway location selection, the theory of interval numbers is introduced to build a fuzzy optimal selection model based on distance measure between interval numb...
Optimization of Train Timetable for Intercity Railway Based on Coordinated Operation of Multi-periodic Trains
ZHOU Wenliang, LI Peng, TIAN Junli, DENG Lianbo
2019, 54(4): 831-839. doi: 10.3969/j.issn.0258-2724.20170153
Abstract:
To ensure regularity of train arrival and departure times at stations operating with strict train periodicity and timing schedules, a novel methodology for coordinated operation of multi-periodic trains is proposed. The proposed method aims to ensure a better fit for the time distribution of passeng...
Periodic and Collaborative Allocation of Berth-Yard-Gate Resources at Container Terminals
HAN Xiaole, JU Liuhong, LUAN Chen, LU Zhiqiang
2019, 54(4): 840-847. doi: 10.3969/j.issn.0258-2724.20170924
Abstract:
In order to improve the efficiency of import/export container terminals in periodic environment, the periodical and collaborative allocation problem of key resources at container terminals, including berth, yard and gate is investigated. A mixed-integer linear programming model is first established ...
Flow Field Analysis and Optimization for Internal Channel of Hydraulic Manifold Block in Lower Extremity Exoskeleton Robot
WANG Haibo, FAN Shuyuan, ZHANG Long
2019, 54(4): 848-854. doi: 10.3969/j.issn.0258-2724.20170879
Abstract:
In order to deal with the excessive temperature rise and noise of the hydraulic power unit in the lower extremity exoskeleton robot, ANSYS Fluent software was used for the simulation tests of Z-channel and cross-channel, which are the main components of internal flow channel of the hydraulic manifol...
Numerical Algorithm and Software Development for Metal Forming
ZHOU Yangjing, FENG Zhiqiang, NING Po, WANG Changyong
2019, 54(4): 855-862. doi: 10.3969/j.issn.0258-2724.20170442
Abstract:
To develop a customized computer-aided engineering (CAE) software with specialized features for metal forming, based on the self-developed OmtDesk platform, a numerical algorithm for mental forming calculation is proposed. On the basis of the bipotential theory, the Uzawa algorithm was applied to ad...
Combined Neural Networks Based on Deep Learning for Signal Detection in Aeronautical Communications
HOU Jin, LÜ Zhiliang, XU Mao, WU Peijun, LIU Yuling, ZHANG Xiaoyu, CHENG Zeng
2019, 54(4): 863-869, 878. doi: 10.3969/j.issn.0258-2724.20180164
Abstract:
In order to increase the generality and accuracy of radio modulation recognition in complex radio propagation environment, a multiple feature combined convolutional network system based on deep learning is proposed. Carrier features were detected with front convolutional network in the first stage. ...
Localization Algorithm for Mine Wireless Sensor Network Based on Rigid Cluster and Chicken Swarm Optimization
YU Xiuwu, ZHOU Lixing, YU Qihao, HU Mufang, ZHANG Feng
2019, 54(4): 870-878. doi: 10.3969/j.issn.0258-2724.20180069
Abstract:
In order to adapt to the restrain resulting in environment factor of mine to localization of wireless sensor network, a novel localization algorithm based on rigid cluster and chicken swarm optimization (RCCSO) is proposed. First, the clusters are set up centring on the uniformly distributed anchor ...
Improving the Performance of Sodium Silicate for Track Slab by Promoting Polymerization and Biomineralization
LI Maohong, PAN Zhang, LING Chenbo, YAO Ning, LI Shuxian, WANG Ping
2019, 54(4): 879-884. doi: 10.3969/j.issn.0258-2724.20180599
Abstract:
To improve the mechanical strength and water resistance of sodium silicate used for track slab coating in high-speed railways, Ca(H2PO4)2 was added into sodium silicate to promote biomineralization and polymerization of silica gel. First, Sodium silicate modified by Ca(H2PO4)2 was prepared, using so...