[SUO, Jianguo 索建国, LI, Xining 李希宁, JIN, Xihong 金希红, SU, Ke 苏柯, LIU, Yongqiang 刘永强, MIN, Yangchun 闵阳春, WANG, Yan 王艳, SU, Yongzhang 苏永章, LIAO, Wenjie 廖文洁, PENG, Zhangzhu 彭章祝, ZHU, Jianjun 朱建君] Tianxin high-tech park,Shifeng District 中国湖南省株洲市石峰区田心高科园, Hunan 412001Zhuzhou, Hunan 412001 A rail train body and a fabrication method therefor, the body (1) primarily comprising a main body structure formed by a roof (2), a side wall (3), a bottom rack (4), a side roof connecting section bar (5), a side bottom connecting section bar (6) and an independent door angle (7). The roof (2) is primarily formed by welding and installing a roof side beam section bar (21), an air conditioner plate section bar (22) and an arc-shaped roof section bar (23); the side wall (3) is primarily formed by welding and installing a side wallboard section bar (31), a door column section bar (32) and a side wall upper beam section bar (33); the bottom rack (4) is primarily formed by welding and installing bottom rack side beam section bars (41) located on two sides and a bottom rack floor section bar (42) in the middle position; the roof (2) and the side wall (3) and the side wall (3) and the bottom rack (4) are connected using a double shaft shoulder FWS. The present train body (1) solves the problem of difficulty in further reducing the weight of a conventional aluminum alloy body due to the strength limitations of the materials thereof, and avoids welding deformation.

[JIANG, Zhongcheng 蒋忠城, WANG, Xianfeng 王先锋, CHEN, Jingjing 陈晶晶, ZHOU, Li 周礼, DUAN, Huadong 段华东, YUAN, Wenhui 袁文辉, JIANG, Jixiong 蒋济雄, ZHANG, Jun 张俊, ZHANG, Bo 张波, LIU, Xiaobo 刘晓波, GUO, Bingbin 郭冰彬, JIANG, Dafa 江大发, LI, Wang 李旺, LI, Dengke 李登科, LIU, Guoyun 刘国云] Tianxin high-tech park, Shifeng District 中国湖南省株洲市石峰区田心高科园, Hunan 412001Zhuzhou, Hunan 412001 A collision energy absorption system for a rail vehicle, comprising a coupler installed at the front part of a vehicle (10), anticlimbers (1), and a linkage device. The linkage device connects the coupler to each of the anticlimbers. In a normal state, the coupler extends out from the front part of the vehicle and the anticlimbers are positioned in the interior of the vehicle. During a collision, the coupler moves towards the rear of the vehicle, and, by means of the linkage device, the anticlimbers are caused to move towards the front of the vehicle, such that the anticlimbers are able to make contact with the collision object and absorb the energy of the collision in a process of compression. The present collision energy absorption system is both aesthetically pleasing and reduces the aerodynamic drag of the vehicle, and during a collision there is no interruption in impact buffering, reducing the harm of instantaneous impact during collisions and improving safety. A rail vehicle comprising the described collision energy absorption system.

[WANG, Rui 王睿, YANG, Ying 杨颖, DU, Qiumao 杜求茂, ZHAO, Qingxuan 赵青选, CHEN, Yong 陈勇, CHEN, Pingan 陈平安, WANG, Hugao 王虎高] Tianxin High-tech Park, Shifeng District 中国湖南省株洲市石峰区田心高科园, Hunan 412001Zhuzhou, Hunan 412001 Disclosed is a multi-axis electric bus self-guiding method, comprising: step A, inputting original images captured by cameras at front and rear sides of a vehicle into a vehicle-mounted device and pre-processing the original images, so as to obtain pre-processed images; step B, with regard to the pre-processed images, performing local enhancement on a vehicle driving area; step C, extracting lane lines; step D, determining the position of the vehicle according to the positions of the cameras and the lane lines; and step E, according to a vehicle driving constraint condition, using a PID control method, a fuzzy PID control method, a prediction control method and a non-linear control method to control the vehicle to travel in an allowable track. The present invention can improve the accuracy and redundancy of a vehicle self-guiding system, and realizes a lane-keeping function and a multi-wheel synchronous steering function of a vehicle by means of comprehensively using optical and satellite inertial navigation systems; and the vehicle is also easily controlled by means of transmitting an electrical signal to an electrically-controlled steering device. Disclosed is a multi-axis electric bus self-guiding method, comprising: step A, inputting original images captured by cameras at front and rear sides of a vehicle into a vehicle-mounted device and pre-processing the original images, so as to obtain pre-processed images; step B, with rega

[LI, Hang 李行, XIAO, Yunhua 肖云华, LI, Shimin 李时民, YU, Chen 余陈, LIU, Yang 刘洋, LI, Xining 李西宁, HE, Zhongjian 何中建] Tianxin High-tech Park, Shifeng District 中国湖南省株洲市石峰区田心高科园, Hunan 412001Zhuzhou, Hunan 412001 An air conditioning control method and system for a rail vehicle, and a rail vehicle, said method comprising: determining whether an air conditioning unit receives a key start instruction, and if not, determining whether the temperature in passenger compartments reaches a target temperature in a parking mode; if not, controlling the air conditioning unit to execute pre-processing operations until the temperature in passenger compartments reaches the target temperature, the pre-processing operations comprising a pre-heating operation and a pre-cooling operation; if so, controlling the air conditioning unit to stop, and determining whether the current time reaches a pre-processing time of the air conditioning unit; if so, controlling the air conditioning unit to operate and execute the pre-processing operation until the air conditioning unit receives the key start instruction, and controlling the air conditioning unit to execute an automatic mode. The present invention reduces the difficulty of air conditioning control for a rail vehicle, improving the accuracy of air conditioning control for a rail vehicle, ensuring that the temperature in passenger compartments is comfortable to the human body after the air conditioning unit receives the key start instruction, improving the comfort of a rail vehicle. An air conditioning control method and system for a rail vehicle, and a rail vehicle, said method comprising: determining whether an air conditioning unit

[LI, Kaiye 李开晔, FANG, Changzheng 方长征, MAO, Jinhu 毛金虎, YANG, Zhi 杨智, XIE, Qiming 谢启明, XIE, Junwei 谢军威, XIE, Hui 谢晖, WU, Jian 吴剑] Tianxin High-tech Park, Shifeng District 中国湖南省株洲市石峰区田心高科园, Hunan 412001Zhuzhou, Hunan 412001 Disclosed are an air backup brake transition system, a method, and a rail transit vehicle, which simplify the current conventional multi-step operation for locomotive air backup brake transition into a one-step operation, thereby implementing transition from an electric air brake system to an air-only path of an air backup brake system, removing the air backup brake system from the air-only path, and adding a feedback signal of whether backup transition is successful and an air backup brake transition door state display, to provide a feedback signal of whether backup transition is successful to a driver and conductor. This helps the driver and conductor determine whether the transition is successful and simplifies the operation, thereby improving transition efficiency.

[LI, Fengshou 李丰收, MA, Lili 马丽丽, ZHOU, Ande 周安德, CHEN, Aijun 陈爱军, LUO, Jia 罗嘉, FAN, Libing 范丽冰, HUANG, Tieshan 黄铁山] Tianxin high-Tech Park, Shifeng District 中国湖南省株洲市石峰区田心高科园, Hunan 412001Zhuzhou, Hunan 412001 A railway transit vehicle, a grid-side power supply system therefor, and a control method therefor. The grid-side power supply system comprises a power source, a first pantograph (301), and a second pantograph (302); the first pantograph (301) and the second pantograph (302) are respectively connected to a first output end and a second output end of a raising and lowering control device (6); a first input end and a second input end of the raising and lowering control device (6) are respectively connected to a first output end (502) and a second output end (504) of a control module (5); a first input end (501) and a second input end (503) of the control module (5) are respectively connected to a first position selection switch (401) and a second position selection switch (402); the first position selection switch (401) and the second position selection switch (402) are connected to a power source positive electrode (DC 110 V+); and during maintenance period n, only the first pantograph (301) rises or only the second pantograph (302) rises.

[YI, Ke 易柯, XIAO, Fengmin 肖峰敏, LI, Yuezhong 李跃中, WANG, Zheng 王正, DING, Qianzhuang 丁前庄, YANG, Tianzhi 杨天智, LV, Zhimei 吕知梅, XU, Yuwen 许钰文, CHEN, Shiwen 陈诗文] Tianxin High-Tech Park, Shifeng District 中国湖南省株洲市石峰区田心高科园, Hunan 412001Zhuzhou, Hunan 412001 An air conditioner control method and system for a rail transit vehicle, and a vehicle. An air conditioner is controlled to respectively be in a pre-working mode, a normal working mode and an energy-saving working mode in different situations. In the pre-working mode, the air conditioner is controlled to operate at a set temperature, such that the storage of energy is realized to the maximum extent during charging, so as to maintain a level of comfort during the subsequent operation of a vehicle; the energy consumption of the air conditioner when an energy storage power source is in a non-charging state is reduced; and the capability of the energy storage power source to continuously supply the necessary power to key systems, such as a traction system and a braking system, is improved. According to the available electric energy and different set threshold values, the air conditioner is enabled to be in different energy-saving working modes, thereby further ensuring sufficient power supply for the vehicle, and also ensuring the level of comfort of passengers.

[LIU, Jian 刘健, LIU, Xiaofeng 柳晓峰, ZHOU, Li 周利, WANG, Hugao 王虎高, LIANG, Jiashuo 梁佳硕] Tianxin high-tech park,Shifeng District 中国湖南省株洲市石峰区田心高科园, Hunan 412001Zhuzhou, Hunan 412001 A vehicle with a modular under-vehicle device integration structure, comprising a chassis (36), two ends of the chassis (36) in the longitudinal direction respectively being end I and end II, the chassis (36) being provided with a bogie area (7) adjacent to both end I and end II, and between the bogie areas (7) at the two ends being a device module arrangement area, a plurality of device modules and air spring additional air cylinders (1) being arranged in the device module arrangement area; the air spring additional air cylinders (1) are arranged in sleepers close to the bogie areas (7), and the device modules are arranged between the air spring additional air cylinders (1), the device modules being arranged vertically along the bottom of the chassis (36), and a wiring space (38) being formed between the device modules and the bottom of the chassis (36). A vehicle with a modular under-vehicle device integration structure, comprising a chassis (36), two ends of the chassis (36) in the longitudinal direction respectively being end I and end II, the chassis (36) being provided with a bogie area (7) adjacent to both end I and end II, and between the bogie areas (7) at the two ends

[WANG, Danmei 王丹梅, CHEN, Xiaokang 陈小康, SHANG, Jiangao 尚江傲, SI, Shangzhuo 司尚卓, LIU, Guangting 刘光廷, WANG, Jiming 王继明] {Tianxin High-Tech Park, Shifeng District 中国湖南省株洲市石峰区田心高科园, Hunan 412001Zhuzhou, Hunan 412001;CN CN(CN)(CN)} An urban rail vehicle power supply control device, comprising a first power source (201), two sockets (1) for sheds provided in a high voltage box of an urban rail vehicle, and in-shed plugs (3) provided in a shed. A first contact pair is provided between each socket (1) for sheds and each in-shed plug (3); the first contact pair comprises a first plug electric contact (31) and a second plug electric contact (32) provided on the in-shed plug (3), and a first socket electric contact (11) and a second socket electric contact (12) provided on the socket (1) for sheds. Two first socket electric contacts (11) corresponding to the two sockets (1) for sheds are electrically connected to each other, and two second socket electric contacts (12) corresponding to the two sockets (1) for sheds are electrically connected to each other. Socket cover plates (2) are provided with conductive blocks (21). The urban rail vehicle is further provided with a switch unit which is in a closed state only when a first condition is satisfied, wherein the first condition is that all knife switches on the urban rail vehicle are located at a power supply position for sheds; the switch unit is electrically connected between the two first socket electric contacts (11) corresponding to the two sockets (1) for sheds of the high voltage box, or is electrically connected between the two second socket electric contacts (12) corresponding to the two sockets (1) for sheds of the high voltage box. Further provided is an in-shed power supply control device for urban rail vehicles.

[CHEN, Guosheng 陈国胜, SHEN, Longjiang 沈龙江, YI, Xingli 易兴利, XIAO, Zehua 肖泽桦, XIE, Jiahui 谢加辉, WANG, Zhiming 王志明, CAI, Chao 蔡超] Tianxin High-Tech Park, Shifeng District 中国湖南省株洲市石峰区田心高科园, Hunan 412001Zhuzhou, Hunan 412001 A permanent-magnet direct-drive bogie and a railway vehicle thereof. The permanent-magnet direct-drive bogie comprises a frame (1), a wheelset (2), and a permanent-magnet motor (3). The frame (1) comprises a longitudinal beam (11), a transverse beam (12) perpendicular to the longitudinal beam (11), and an end beam (13) provided at two ends of the longitudinal beam (11). A hollow shaft (4) is sleeved on an axle (21) of the wheelset (2). A power transmission seat (5) is fixed on the axle (21). The permanent-magnet motor (3) is sleeved on the hollow shaft (4). One end of the hollow shaft (4) is connected to the permanent-magnet motor (3) via a flexible coupling (6), and another end of the hollow shaft (4) is connected to the force transmission seat (5) via a flexible coupling (6). A protrusion portion (121) is respectively provided at two longitudinal sides of the transverse beam (12). The permanent-magnet motor (3) is flexibly connected to the frame (1) by means of a pivoting rod (7) and a suspension rod (17). One end of the pivoting rod (7) is suspended from the protrusion portion (121), and another end thereof is connected to a casing of the permanent-magnet motor (3). An axial direction of the pivoting rod (7) is a longitudinal direction. One end of the suspending rod (17) is connected to the casing of the permanent-magnet motor (3), and another end thereof is suspended from the end beam (13). The permanent-magnet motor (3) can move in a transverse direction.