最新刊期
      期 3 ， 2011
      • Issue 3, Pages: 1-5(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.023
        摘要：Advantage and development of AC traction motor were introduced. Development tendency in future of several types of traction motors were detailed described on structure characters and material applications, and at the same time, analysis and viewpoints were provided.  
        关键词：asynchronous traction motor;permanent synchronous motor;direct drive;linear motor;high-voltage motor;switched reluctance motor   
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      • Issue 3, Pages: 6-8(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.007
        摘要：Taking CSR Zhuzhou Times New Material Technology Co., Ltd. for instance, based on rubber material FEA database and simulation platform, the application achievements and the newest researches of structure simulation techniques in rubber seismic absorption and isolation field of high-speed railway were introduced detailedly, to provide some useful reference and helps for counterpart.  
        关键词：structure simulation technology;rubber seismic absorption and isolation field;material database;high-speed rail way   
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      • Issue 3, Pages: 9-12(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.009
        摘要：Traction system parameter matching design was expounded. The structure, control principle and transformer, converter, motor technique parameter matching design of key parts were introduced. By combined earth test and on-car operating, the system was proved to meeting the general expecting of new-generation high-speed EMUs.  
        关键词：EMUs;AC drive;traction system;parameter matching;traction power;power unit   
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      • Issue 3, Pages: 13-16(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.024
        摘要：With more and more application of permanent magnet synchronous motor in energy conservation and emission reduction field, open-loop control strategies were used widely for no-high dynamic requirement. The voltage amplitude in each speed range was the key factor of the open-loop control system. Based on the principles of the open-loop control system, performances of different voltage amplitude under different frequency were studied; furthermore, analysis of the current-output characteristic were provided. Experiment results indicates the effects of the theory.  
        关键词：PMSM;open-loop contorl;electromagnet torque;voltage-frequency ratio;magnetic linkage   
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      • Issue 3, Pages: 17-19(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.010
        摘要：To settle several problems of locomotive HXD1C from actual operation on Lanzhou railway line, improved adhesion utilization control software for the locomotive was presented. Adhesion control strategy basing on the differential of the wheel acceleration was offered, and the test waves were given. Results indicated the new correlative control software improving performance of the locomotive traction effectively on conditions of long, big ramp and small curve railway line.  
        关键词：AC drive;adhesion utilization control;adhesion coefficient;differential of wheelest acceleration;wavelet analysis;HXD1C locomotive   
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      • Issue 3, Pages: 20-22(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.025
        摘要：Auxiliary converter system of locomotive HXD1C and its logic control process was illustrated; the equivalent impedance of power circuit and characteristic of input inductance and DC-link circuit was analyzed; a method of estimating and computing the voltage and current on IGBT was proposed. Moreover, by simulation, the analysis of voltage/current waves for power circuit was done, reference was provided for ensuring the normal running and performance improvement of the auxiliary converter.  
        关键词：auxiliary converter;subsystem;secondary winding;dual-input network;IGBT voltage;main circuit simulation;HXD1C locomotive   
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      • Issue 3, Pages: 23-27(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.026
        摘要：Power supply system and parameters of railway passenger-cars were analyzed. Performances of three types of batteries were compared and the advantages of Li-ion battery were indicated. Moreover, application schemes of Li-ion battery for railway passengercars power supply system were studied and discussed.  
        关键词：railway passenger-car;Li-ion battery;power supply;battery   
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      • Issue 3, Pages: 28-30(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.011
        摘要：The ventilation system of high-power AC drive electrical locomotive HXD2B was introduced. Considering its uniqueness, descriptions was provided from filtering device, ventilating structure and ventilation facilities etc of locomotive ventilation system. The ventilating mode suited the particularity of the structure and controlling units of high-power AC drive electrical locomotive, and satisfied general ventilating and cooling requirement.  
        关键词：HXD2B locomotive;ventilation system;AC drive;filtering device;ventilation facility   
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      • Issue 3, Pages: 31-33(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.012
        摘要：Structure of a spherical rubber pad was introduced. With the comparison of FEA analysis and test results to flat round rubber pad, spherical round rubber pad was proved to have better vertical-shear-stiffness matching and fatigue behavior.  
        关键词：side bearing rubber pad;spherical structure;stiffness matching;fatigue behavior;secondary suspension   
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      • Issue 3, Pages: 34-36(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.013
        摘要：Design principle and system configuration of wireless transmission system for Tangshan medium/low speed maglev train message was presented. According to the actual requirements, two types of communication for wireless transmission system of maglev train were selected, namely, GPRS was used for long-distance and real-time monitoring of running train, and WLAN for train-to-ground signal transmission of fault data.  
        关键词：maglev train;GPRS;WLAN;data analysis;remote supervision;ground-fault diagnosis   
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      • Issue 3, Pages: 37-39(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.027
        摘要：The mathematic model of voltage-source four-quadrant converter was built based on switching function, and with the transient current control method, the simulating model of converter and control system was established. Steady-state and dynamic simulation in MATLAB was carried out, validating the effect of control scheme.  
        关键词：switching functions;four-quadrant converter;control system;transient current;simulation   
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      • Issue 3, Pages: 40-43(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.008
        摘要：According to the structure character of cylindrical helical compression springs used in the rail vehicle, a secondary development for the parametric design of such springs was performed under the platform of SolidWorks by Visual C++. More than this, parametric models of the spring used on the existing rail vehicle were accomplished. Based on the railway technical standard and document, parameterized modules of single spring with one-stage stiffness, double-spring group with one-stage stiffness and double-spring group with two-stage stiffness for rail vehicle have been developed, which shorten the design cycle and improve the design quality and efficiency.  
        关键词：Visual C++;SolidWorks secondary development;rail vehicle;cylindrical helical compression spring;parameterize   
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      • Issue 3, Pages: 44-48(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.028
        摘要：Power circuit, converter module, DCU and general design of the simplification IGBT traction inverter with completely independent intellectual property rights for metro vehicle were introduced. The technical features were also described. The design of the simplification IGBT traction inverter was proved satisfying the demand of metro traction.  
        关键词：metro vehicle;IGBT;inverter;simplification   
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      • Issue 3, Pages: 49-51(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.014
        摘要：Necessity and functionality of equipotential bonding and isolation treatment were analyzed, and a system solution scheme based on industry technical requirement was provided. The structure, setting and unit design of equipotential bonding and isolation system were detailedly described, and safety and reliability of platform screen door(PSD) were fully shown.  
        关键词：metro;platform screen door (PSD);equipotential bonding;isolation system;unit design   
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      • Issue 3, Pages: 52-55(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.015
        摘要：According to returning features of domestic A-type metro vehicles, towing function was integrated into EP2002 brake to save returning equipment cost. Some parameters of brake software EP2002 was modified to match main line train, such as braking command, braking response time, braking release and time, so that the metro train could be returned through the main line.  
          
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      • Issue 3, Pages: 56-50(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.016
        摘要：Metro vehicle of Beijing Changping line was introduced, including vehicle marshalling, main technical parameters, and the characters of system and major components such as car body, bogie, traction system, brake system, auxiliary power supply, train control and diagnosis system. The primary technical characteristics of metro vehicle of Beijing Changping line were summarized.  
        关键词：Beijing Changping line;metro vehicle;DBPS battery;power-fail protection;train equipment;technical characteristic;technical parameter   
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      • Issue 3, Pages: 61-64(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.002
        摘要：Based on analysis of three generating factors and suppressing principles of EMI, general designing technologies and measures to improve EMC performance of rail vehicles were detailedly studied and introduced, which provides references for practical designing.  
        关键词：rail vehicle;EMC;cable laying;grounding;shielding;filtering   
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      • Issue 3, Pages: 65-67(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.017
        摘要：Through analyzing the extra loads on reaction rod ball joint under axle-hung motor driving and braking condition, the radial fatigue load spectrum was established. This article illustrated the way of analyzing and calculating initial design conditions, and the way of translating the simulation results into the fatigue loads was also presented. The process of load spectrum was high applied value.  
        关键词：axle-hung motor;reaction rod ball joint;fatigue test;load spectrum   
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      • Issue 3, Pages: 68-70(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.018
        摘要：Aiming at the existing conditions that TVM430 monitoring system of electric locomotive on Qinghuangdao-Shenyang passenger railway line had only two speed-limited values of 160 km/h and 120 km/h, but there were three locomotive speed-limited values of 160 km/h, 140 km/h and 120 km/h in China, to satisfy practical requirements, a 140 km/h speed-limited device was provided as a supplement. The schemes and hardware/software structures of the speed-limited alarm monitor were introduced. Based on the studies, a prototype was developed and the test-running on train had good effects.  
        关键词：Qinghuangdao-Shenyang passenger railway;electric locomotive;speed-limited;alarm monitor;TVM430 monitoring system   
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      • Issue 3, Pages: 71-73(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.003
        摘要：Against the existing problems, a locomotive application security video surveillance system based on 3G wireless communication technologies was presented. The architecture, on board subsystem, wireless communication subsystem, and ground subsystem were detailed expounded. The system were indicated stable and reliable by test and on-car operation, which could provide the real-time on-line monitoring and full-range on-line technical service for locomotive, as well as remote on-line technical supporting for inspection and fault removal.  
        关键词：locomotive;application safety;video surrveillance;3G communication   
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      • Issue 3, Pages: 74-76(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.004
        摘要：Based on the analysis of functional requirements for on board display system, an application software design structure with high availability was proposed according to the high modular application system and good graphic-development environment of QNX operating software. The design structure divided software into several modules so as to realize the data transmission between modules and the module management by messages, which is an important technical measure of optimizing efficiency and reliability.  
        关键词：QNX;on board display system;Photon;LKJ2000 monitor;message   
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      • Issue 3, Pages: 77-79(2011) DOI: 10.13890/j.issn.1000-128x.2011.03.005
        摘要：Considering that accidents of safety occurred frequently recently resulted from LKJ’s data-version upgrade, LKJ’s version information monitoring system was developed based on GSM technology. It satisfied full monitoring, management and controlling for dataversion upgrade, and it could also improve the working efficiency and quality. The principle, functions, design schemes and implementation of the system were introduced. The system has been applied to the LKJ’s program of data version upgrade working in Guangzhou Railway Group Company successfully.  
        关键词：LKJ’s data version upgrade;GSM technology;information monitoring system   
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