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1. 发明申请

US20220415166A1 POWER DISTRIBUTION AND VEHICLE SELF-LEARNING-BASED TRUCK OVERLOAD IDENTIFICATION METHOD 有权
公开(公告)号：US20220415166A1
公开(公告)日：2022-12-29
申请号：US17774651
申请日：2020-06-22
申请人： BEIJING JIAOTONG UNIVERSITY
发明人： Guohua SONG , Xin WANG
IPC分类号： G08G1/01 , G08G1/017
摘要： A power distribution and vehicle self-learning-based truck overload identification method, comprising: acquiring load identification data of a vehicle; calculating AOP values and STP values according to the load identification data of the vehicle; according to a plurality of sets of AOP values and STP values in a standard full-load state, constructing a power distribution curve of the vehicle in the standard full-load state; and comparing an AOP value during an actual operation process to a corresponding AOP value in the power distribution curve in the standard full-load state, and according to a comparison result, identifying whether the vehicle is overloaded. The method can show the operating states of overloaded vehicles in the road network in real time to provide convenience for oversize and overloading management. Loads of vehicles operating in the road network can be monitored in real time without additional equipment, thus improving the scope of overload identification.

2. 发明授权

US11531942B2 Operation adjustment method and system for metro trains under the condition of train out of service 有权
公开(公告)号：US11531942B2
公开(公告)日：2022-12-20
申请号：US17641373
申请日：2021-06-24
申请人： Beijing Jiaotong University
发明人： Shuai Su , Boyi Su , Zhikai Wang
IPC分类号： G06Q10/06
摘要： The disclosure provides an operation adjustment method and system for metro trains under train out of service. The method includes: acquiring basic parameters of a metro system, information of the train out of service and the online normal running trains, determining follow-up train services and current train timetables thereof, adjusting the current timetables according to predicted time to stop service of the train out of service to obtain initial adjusted train timetables, determining canceled planned train services and rolling stocks for executing remaining planned train services, and adjusting the initial adjusted train timetables according to planned train timetables of the cancelled planned train services. The disclosure can automatically adjust the train operation, and reasonably change the train timetables and the rolling stock circulation plan, thereby reducing influences of the train out of service, and improving the degree of automation of the metro system to adapt to refined management.

3. 发明申请

US20220163448A1 TEMPORALLY-RESOLVED AND SPATIALLY-RESOLVED PUMP-PROBE CONTROL SYSTEM AND METHOD 有权
公开(公告)号：US20220163448A1
公开(公告)日：2022-05-26
申请号：US17489402
申请日：2021-09-29
申请人： BEIJING JIAOTONG UNIVERSITY
发明人： Dawei HE , Ang BIAN , Yongsheng WANG
IPC分类号： G01N21/63
摘要： The present disclosure provides a temporally-resolved and spatially-resolved pump-probe control system and a method. The system includes an ultrafast femtosecond laser device, an optical parametric oscillator, a displacement delay module, a micro-drive rotation module, an objective lens, a sample stage, a coupled photoelectric amplifier and a computer terminal. The control system of the present disclosure integrates a temporally-resolved pump-probe function and a temporally-resolved and spatially-resolved pump-probe function. The present disclosure can realize pump-probe temporally-resolved scanning, one-dimensional temporally-resolved and spatially-resolved scanning, and two-dimensional temporally-resolved and spatially-resolved scanning under full-automatic control, and real-time data is visualized and synchronously written into batch files. The present disclosure aims to reduce complexity of temporally-resolved and spatially-resolved scanning, shorten a test period, improve probe efficiency, and ensure stability and reliability of data results.

4. 发明申请

US20210323583A1 LOGISTIC MONORAIL TRANSPORTATION SYSTEM 有权
公开(公告)号：US20210323583A1
公开(公告)日：2021-10-21
申请号：US17272990
申请日：2019-09-03
申请人： BEIJING JIAOTONG UNIVERSITY
发明人： Eryu ZHU , Tongyun HU , Li ZHU , Xingyang WEN
IPC分类号： B61B13/04 , B61B13/08 , B61D3/00 , B61L23/00 , E01B25/08 , E01B25/22 , E01B25/30
摘要： A logistic monorail transportation system. The logistic monorail transportation system comprises a logistic track beam system, a logistic vehicle system, a logistic turnout system, a logistic handling system, and a logistic signal system. The logistic track beam system is set up on the road, in the field, or in the streets in the form of single-column pier studs or frame-type pier shads. The technical solution of the present application solves the problems of short distance, high costs, and low speed of existing transportation systems, and the purpose of long-distance, low-cost, and high-speed logistic monorail transportation is achieved.

5. 发明授权

US09857161B2 6DOF error laser simultaneous measurement system with a single polarization maintaining fiber coupling and transmitting the dual-frequency laser 有权
公开(公告)号：US09857161B2
公开(公告)日：2018-01-02
申请号：US14419362
申请日：2014-09-03
申请人： Beijing Jiaotong University
发明人： Qibo Feng , Bin Zhang , Zhan Gao , Cunxing Cui
IPC分类号： G01B11/14 , G01B11/00 , G01B11/02 , G01B11/03 , G01B11/24 , G01B11/26
CPC分类号： G01B11/002 , G01B9/02003 , G01B9/02007 , G01B9/02019 , G01B11/02 , G01B11/03 , G01B11/24 , G01B11/26
摘要： A six degree of freedom laser simultaneous measurement system, wherein a laser emitting unit is separated from a fixed sensor head; the laser emitting unit is connected with the fixed sensor head by a single polarization maintaining fiber; a moving unit comprising the reflector and the beam splitter is mounted on the linear guide; utilizing of the single polarization maintaining fiber, which connects the laser emitting unit with the fixed sensor head, reduces the influence of heat generated by laser source on the measurement accuracy, and makes the system more compact and integrated. The six degree of freedom errors, including position error, horizontal and vertical straightness errors, pitch, raw and roll, can be measured simultaneously by only one incident light. The non-cable connection on the moving unit makes long-distance and in-situ measurement possible.

6. 发明申请

US20160282229A1 Fault Prediction and Condition-based Repair Method of Urban Rail Train Bogie 有权
标题翻译：城市轨道交通转向架故障预测与条件修复方法
公开(公告)号：US20160282229A1
公开(公告)日：2016-09-29
申请号：US14890167
申请日：2014-12-05
申请人： BEIJING JIAOTONG UNIVERSITY
发明人： Yong QIN , Limin JIA , Jingxuan SHI , Xiaoqing CHENG , Yuan ZHANG , Shan YU , Linlin KOU , Zhenyu ZHANG
IPC分类号： G01M17/10
CPC分类号： G01M17/10 , G01M17/08 , G06N3/02
摘要： The present invention provides a fault prediction and condition-based repair method of an urban rail train bogie. An optimum service life distribution model of a framework, a spring device, a connecting device, a wheel set and axle box, a driving mechanism, and a basic brake device of a bogie is determined by adopting a method based on survival analysis; a reliability characteristic function of each subsystem is obtained; then, a failure rate of each subsystem of the bogie is calculated by adopting a neural network model optimized by an evolutionary algorithm; and finally, proportional risk modelling is conducted by taking the failure rate and safe operation days of each subsystem of the bogie as concomitant variables; and on the basis of cost optimization, thresholds and control limits for condition-based repair of a bogie system are obtained.
摘要翻译：本发明提供了一种城市轨道车辆转向架的故障预测和基于状态的修复方法。通过采用基于生存分析的方法确定框架，弹簧装置，连接装置，轮组和轴箱，驱动机构和转向架的基本制动装置的最佳使用寿命分布模型; 获得每个子系统的可靠性特征函数; 然后，通过采用由进化算法优化的神经网络模型计算转向架的每个子系统的故障率; 最后，通过将转向架每个子系统的故障率和安全运行时间作为伴随变量进行比例风险建模; 并在成本优化的基础上，获得了转向架系统基于状态修复的阈值和控制限制。

7. 发明申请

US20130218375A1 METHOD OF MOVEMENT AUTHORITY CALCULATION FOR COMMUNICATIONS-BASED TRAIN CONTROL SYSTEM 有权
标题翻译：基于通信的火车控制系统运动管理计算方法
公开(公告)号：US20130218375A1
公开(公告)日：2013-08-22
申请号：US13818953
申请日：2011-08-23
申请人： Bin Ning , Haifeng Wang , Tao Tang , Chunhai Gao , Xuwen Yang , Shuo Liu
发明人： Bin Ning , Haifeng Wang , Tao Tang , Chunhai Gao , Xuwen Yang , Shuo Liu
IPC分类号： B61L27/00
CPC分类号： B61L27/00 , B61L23/14 , B61L27/0038 , B61L2027/005
摘要： The present invention discloses a calculation method of movement authority for communications-based train control system, comprising: handling a route information for a train, and determining a searching range of the train according to the route information; initializing the limit of movement authority with the end position of the searching range; searching for static obstacles within the searching range, and successively determining whether each static obstacle meets the safety requirements for train operating, if not, setting the position of the last static obstacle within the searching range as the limit of the movement authority; if so, modifying the limit of movement authority as the end of route having been matched; searching for dynamic obstacles within the searching range, and determining whether there is a train, if so, modifying the end of movement authority as the beginning point of the track section where the train is occupying; if there is no dynamic obstacle within the searching range, modifying the final end is of movement authority as the position of the last static obstacle within the searching range. In accordance with the present invention, it is possible to increase line capacity and improve traffic fluidity for rail transit.
摘要翻译：本发明公开了一种基于通信的列车控制系统的运动权限的计算方法，包括：处理列车的路线信息，根据路线信息确定列车的搜索范围; 用搜索范围的最终位置初始化移动权限的限制; 搜索搜索范围内的静态障碍物，并连续确定每个静态障碍物是否满足列车运行的安全要求，如果不是，将最后一个静态障碍物的位置设置在搜索范围内作为移动权限的限制; 如果是，则匹配路由结束时修改移动权限的限制; 搜索搜索范围内的动态障碍物，确定是否有火车，如果是，将运动权限结束修改为火车正在占据的轨道部分的起点; 如果在搜索范围内没有动态障碍，修改最终结束是移动权限，作为搜索范围内最后一个静态障碍物的位置。根据本发明，可以增加线路容量并提高轨道交通的交通流动性。

8. 发明申请

US20130179723A1 DUAL-CHANNEL HOT STANDBY SYSTEM AND METHOD FOR CARRYING OUT DUAL-CHANNEL HOT STANDBY 有权
标题翻译：双通道热待机系统及其实现双通道热备份的方法
公开(公告)号：US20130179723A1
公开(公告)日：2013-07-11
申请号：US13811025
申请日：2011-07-20
申请人： Tao Tang , Lianchuan Ma , Xi Wang , Binbin Yuan
发明人： Tao Tang , Lianchuan Ma , Xi Wang , Binbin Yuan
IPC分类号： G06F11/20
CPC分类号： G06F11/2023 , H04L1/22 , H04L2001/0094
摘要： A dual-channel hot standby system and a method for carrying out dual-channel hot standby, the system comprises a hot standby status management layer including two hot standby management units, an application processing layer including two application processors, and a data communication layer including two communicators; the hot standby status management layer is used for controlling the setting and switching between a active status and a standby status of the two application processors, monitoring the working status of the data communication layer, and carrying out synchronization of the control cycles for the two channels of the system; wherein one of the hot standby management units controls one of the application processors, and together constitute a channel of the system therewith; the data communication layer is used for receiving data from outside, and forwarding the data to the application processing layer. The present invention avoids the occurrence of “dual-channel-active” or “dual-channel-standby” status; ensures synchronization of the control cycles of two channels; reduces the time of the system for responding to breakdowns; meets the real-time requirements; enhances the reliability and availability of the system; and ensures a seamless switching between active and standby statuses.
摘要翻译：一种双通道热备用系统和一种进行双通道热备的方法，该系统包括一个热备状态管理层，包括两个热备管理单元，一应用处理层，包括两个应用处理器，以及数据通信层，包括两个沟通者热备用状态管理层用于控制两个应用处理器的活动状态和待机状态之间的设置和切换，监视数据通信层的工作状态，并执行两个通道的控制周期的同步的系统; 其中所述热备用管理单元之一控制所述应用处理器之一，并且一起构成所述系统的通道; 数据通信层用于从外部接收数据，并将数据转发到应用处理层。本发明避免了“双信道主动”或“双信道待机”状态的发生; 确保两个通道的控制周期的同步; 减少系统响应故障的时间; 满足实时要求; 提高系统的可靠性和可用性; 并确保主动和待机状态之间的无缝切换。

9. 发明授权

US08068439B2 Method of concurrent multipath transfer based on relational paths 有权
标题翻译：基于关系路径的并发多路径传输方法
公开(公告)号：US08068439B2
公开(公告)日：2011-11-29
申请号：US12490425
申请日：2009-06-24
申请人： Hongke Zhang , Chang Liu , Dong Yang , Ping Dong , Yajuan Qin , Huan Yan , Liang Sun
发明人： Hongke Zhang , Chang Liu , Dong Yang , Ping Dong , Yajuan Qin , Huan Yan , Liang Sun
IPC分类号： H04L1/00 , H04L12/26 , H04L12/28 , H04L12/56 , H04J3/26
CPC分类号： H04L1/1809 , H04L1/1841 , H04L1/188 , H04L1/22 , H04L2001/0096
摘要： A method of Concurrent Multipath Transfer which is based on the relational paths, characterized in that for a packet lost in a path, it allows other packets sent from the path and/or other paths to point out the lost packet through a gap report. According to the present invention, any lost packets and abnormal paths can be found as fast as possible, and can be retransmitted quickly. So this method can avoid the failure of all paths from handing in packets to upper layer only for the abnormity in one path, which limits the speed of whole association.
摘要翻译：一种基于关系路径的并行多路径传输的方法，其特征在于对于在路径中丢失的分组，其允许从路径和/或其他路径发送的其他分组通过间隙报告指出丢失的分组。根据本发明，可以尽可能快地发现任何丢失的分组和异常路径，并且可以快速重传。所以这种方法可以避免所有路径的故障，只能在一个路径的异常中将数据包传递给上层，这限制了整个关联的速度。

10. 发明申请

US20100226265A1 METHOD OF CONCURRENT MULTIPATH TRANSFER BASED ON RELATIONAL PATHS 有权
标题翻译：基于关联方式进行多路传输的方法
公开(公告)号：US20100226265A1
公开(公告)日：2010-09-09
申请号：US12490425
申请日：2009-06-24
申请人： Hongke Zhang , Chang Liu , Dong Yang , Ping Dong , Yajuan Qin , Huan Yan , Liang Sun
发明人： Hongke Zhang , Chang Liu , Dong Yang , Ping Dong , Yajuan Qin , Huan Yan , Liang Sun
IPC分类号： H04L12/26
CPC分类号： H04L1/1809 , H04L1/1841 , H04L1/188 , H04L1/22 , H04L2001/0096
摘要： A method of Concurrent Multipath Transfer which is based on the relational paths, characterized in that for a packet lost in a path, it allows other packets sent from the path and/or other paths to point out the lost packet through a gap report. According to the present invention, any lost packets and abnormal paths can be found as fast as possible, and can be retransmitted quickly. So this method can avoid the failure of all paths from handing in packets to upper layer only for the abnormity in one path, which limits the speed of whole association.
摘要翻译：一种基于关系路径的并行多路径传输的方法，其特征在于对于在路径中丢失的分组，其允许从路径和/或其他路径发送的其他分组通过间隙报告指出丢失的分组。根据本发明，可以尽可能快地发现任何丢失的分组和异常路径，并且可以快速重传。所以这种方法可以避免所有路径的故障，只能在一个路径中的异常情况下将报文分组到上层，这限制了整个关联的速度。

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