1946 results about "Rail traffic" patented technology

The invention discloses a test system and method of a data-driven rail traffic vehicle-mounted operation control system, belonging to the technical field of rail traffic signal system test. The test system comprises a test management module, a test execution module, a test interface adaption module and a test analysis and assessment module and is connected with a tested vehicle-mounted operation control system by the test interface adaption module, wherein the test management module finishes the functions of storing, modifying and configuring test data, the test execution module finishes the function of executing the test data, the test analysis and assessment module finishes the functions of recording, treating, analyzing and assessing the test data, and the test interface adaption module finishes the functions of adapting to the interface characteristics of real tested vehicle-mounted equipment and interacting practical information with the tested equipment. The invention can be conveniently used for various types of tests on the vehicle-mounted equipment of a train operation control system, wherein the tests comprise function test, interconnection test and the like; and in addition, the invention has good popularity and flexibility.

The invention discloses a monorail train and monorail traffic system controllable in adhesive force. The monorail train and monorail traffic system comprises a plurality of carriages and brackets located at the bottom parts of the carriages; each bracket is provided with a wheel; each wheel comprises at least one pair of driving guide wheels with power; the guide wheels are symmetrically arranged below two sides of a rail in pairs, and the radial direction of each guide wheel and the vertical direction of the rail form an upward oblique included angle; each bracket is also provided with a preload control system connected with the corresponding guide wheels. According to the monorail train and monorail traffic system controllable in adhesive force, disclosed by the invention, adhesive weight can be increased during starting and braking, and moreover, the adhesive weight is reduced during running, therefore the goals that the friction action of the rail is increased during starting or braking to rapidly implement acceleration or deceleration, and the friction action of the rail is reduced during constant-speed running to reduce energy consumption are further achieved.

The invention belongs to the field of rail traffic and relates to a U-shaped rail double-safety running and levitation driving energy-saving mechanism which is suitable for low-medium-speed maglev train double-safety running and levitation driving energy saving. The mechanism is composed of a U-shaped rail 1, a self-locking hydraulic traveling wheel mechanism 2, a connecting frame 3, a train body 4, an air spring 5, a bogie arm 6, a spindle 7, an aluminum sensing plate 8 and levitation magnets 9. By designing a U-shaped rail structure, production efficiency of the U-shaped rail is improved, roller consumption in hot rolling production is reduced, and production cost is lowered. By combining the U-shaped rail structure with the self-locking hydraulic traveling wheel mechanism, a maglev train is enabled to have a magnetic levitation and rubber wheel double-safety running mechanism, levitation-starting energy consumption of the maglev train is reduced remarkably, traction levitation energy consumption is reduced by 10-15%, and energy-saving effect is obvious. Running safety and accident emergency response capability are improved remarkably, and when a full-levitation system is in a failure, driven by a linear motor, a rubber wheel supporting train still can safely get to a target station.

The invention relates to a non-contact track traffic speed-measurement and positioning method based on sleeper detection and a device thereof. Sensor are installed at the bottoms of train bodies, sleepers laid on tracks in parallel are used as detected objects, the sensors are triggered to generate electric pulses when trains pass through the detected objects, and then the speed measurement and the relative positioning of the trains are accomplished according to the sequence of the triggered sensors and the time each sensor causes the rising edges and the falling edges of the electric pulses. The device comprises more than two sensors installed at the bottom of the train bodies, and measurement control units. The non-contact track traffic speed-measurement and positioning method and the device thereof have the advantages of simple and compact structure, low cost, convenient maintenance, high reliability and wide range of application.

The invention discloses a method and a system for track traffic failure recognition based on improved Bayesian algorithm. The method comprises the following steps of: 1) determining various failure modes and corresponding monitoring values of each traffic device according to circuit structure of the traffic device, and building a failure model aiming at each failure mode and corresponding monitoring value; 2) recognizing a parent child relation among the monitoring data according to the failure model, thus obtaining a standard failure sample data; 3) training with the standard failure sample data through a Bayesian algorithm to obtain a failure recognition model, wherein weight of a parent node in the failure recognition model of each failure mode is greater than that of a child node; 4) monitoring and acquiring various monitoring values of the traffic device in real time, and recording time sequence of the monitoring values; 5) recognizing data through the failure recognition model, and determining corresponding failure. By the method and the system, accuracy of failure recognition is improved, failure repair time is reduced, the device can perform failure self-diagnosis, and traffic safety is guaranteed in the operation and maintenance aspect and the device aspect.

The invention provides a real time statistical system and method for rail traffic network passenger flow based on RFID technology. The system comprises radio frequency electronic tags respectively arranged in ride cards and at the head of a train, RFID readers for reading information about coming-in and going-out of passengers arranged at ticket barriers at entrance and exit of a station, RFID readers for reading information about getting-up and getting-down of passengers arranged at places of a platform for getting-up and getting-down or at places corresponding to shield doors, RFID readers for reading information about pulling-in and pulling-out of the train arranged at a place where the train pulls in and out, an information transmission system and a central processing system. The method is as follows: the RFID readers for reading information about coming-in and going-out of passengers and the RFID readers for reading information about getting-up and getting-down of passengers read data information in electronic tags in the ride cards, the RFID readers for reading information about pulling-in and pulling-out of the train read data information in electronic tag in the train, the information transmission system transmits the data information to the central processing system for processing, and the central processing system carries out real time statistical calculation of rail traffic network passenger flow. The system and the method provided in the invention enable rapid and high precision real time statistics of passenger flow to be realized.

The invention discloses a charging and discharging compound type automatic equalizing circuit for a serially-connected battery pack and an equalizing method. The charging and discharging compound type automatic equalizing circuit comprises n battery unit compound type equalizing modules which are set according to the number of battery units in the serially-connected battery pack, and a battery pack equalizing module which consists of a main control module and a high-voltage direct-current/direct-current (DCDC) module, wherein n is more than or equal to 1; the battery unit compound type equalizing modules correspond to a battery pack which consists of k serially connected battery units, wherein k is more than 1; and each battery unit compound type equalizing module consists of a switch matrix, a local control module, a low-voltage DCDC module, k discharging equalizing circuits and a mode control switch. The charging and discharging compound type automatic equalizing circuit for the serially-connected battery pack has the advantages of high reliability, low cost, small volume and light weight, has multiple functions, is easy for large-scale and industrial manufacturing and application, and can be used in the fields of electric automobiles, rail traffics, wind power generation and the like, which require serially-connected battery packs and capacitor sets.

Tickets with RFID devices are issued to train passengers. Once the passengers board the train, the number and location of vacant seats is determined based on signals from the RFID devices detected by RFID readers configured within the passenger compartments of the train. Seating information is displayed on screens fitted in each compartment. This is done at or after the train reaches every major station, facilitating wait-listed passengers to occupy any vacant seats that become available.

The invention discloses a gravity inductive type axis-counting device and a method for detecting the state of a tract district thereof, relating to a railway transport management device and a management method thereof. The gravity inductive type axis-counting device comprises an axis detector, an axis-counting information processing system, an input-output subsystem and a power supply, wherein the axis detector is composed of a wheel electronic detector and a gravity inductive type sensor unit; the wheel electronic detector consists of an axis-counting CPU unit, a signal processing unit, a sensor power unit and a state detecting unit; the axis-counting information processing unit comprises a CPU unit, a communication unit, and an I/O unit; and the input-output subsystem consists of a dynamic drive assembly unit, a relay and a button. In the method, a wheel signal is detected by a gravity inductive type sensor arranged on a rail, and is transmitted to the wheel electronic detector and the axis-counting information processing unit for processing, thus judging the state of the tract district. The invention has the advantages of accurate detection result, high reliability, scientific method and capability of realizing automatic judgment on the idle and occupied states of the tract district.

The invention relates to a rail traffic signal comprehensive operation and maintenance method and system based on cloud computing. The mode of four stages including a railway company, the railway administration, an electrical service section and a station is adopted, the railway company and the railway administration are respectively provided with a data center, a data acquisition device and a terminal, and the electrical service section and the station are only respectively provided with a data acquisition device and a terminal; meanwhile, real-time data analysis components are deployed, the real-time data analysis components of the station and the electrical service section are deployed in the data acquisition devices, and the real-time data analysis components of the railway administration and the railway company are deployed in the data centers. A hierarchical deployment mode is adopted for the rail traffic signal comprehensive operation and maintenance method and system, signal data can be analyzed in real time by directly deploying the real-time data analysis components on the acquisition devices, the requirement for storing continuously increasing signal data is achieved through a hierarchical storage and indexing strategy, and faults can be fast positioned through a four-layer indexing structure, and corresponding signal data in the faults can be fast retrieved through information such as time, types and positions of the faults.

The invention is applied to the rail traffic field, and provides a path recognition method based on mobile phone signaling data. The path recognition method comprises the steps that the mobile phone signaling data of a passenger is mapped to a geographic information database, and path information of traveling of the passenger is acquired; information recognition is conducted according to the pathinformation to obtain path recognition information including an inbound station, a transfer station and an outbound station of the passenger; the path recognition information and time information in the mobile phone signaling data are matched with a train running schedule to obtain a riding scheme set of the passenger; and the riding scheme set of the passenger is matched with the mobile phone signaling data to obtain traveling train number information of the passenger. According to the path recognition method based on the mobile phone signaling data, the traveling time and the traveling trainnumber information of the passenger are matched by combining the mobile phone signaling data of the passenger with the train running schedule, base station information and the like, and the defect that in the prior art, the space-time path information of traveling of the passenger cannot be acquired is overcome.

The invention discloses a suspension type monorail vehicle dynamic model and a vehicle-bridge coupling power simulation method, belongs to the technical field of rail traffic and aims to solve the technical problem that an existing suspension type monorail dynamics simulation device is large in simulation result errors during rail beam local vibration research. By providing the suspension type monorail vehicle system dynamic model, a rubber wheel-rail surface contact mechanical model, a rail beam bottom plate and web equivalent surface force application method and a vehicle and rail beam coupling dynamic model building method, a suspension type monorail vehicle-rail beam coupling dynamic simulation system is built. By the model, the system and the method, suspension type monorail vehicle system suspension mechanism decoupling and equivalent treatment are achieved, and the technical problems that the existing suspension type monorail dynamics simulation device is large in simulation result errors during the rail beam local vibration research, rail beam dynamic stress and strain results are hard to extract, rail beam local strength destroying cannot be evaluated accurately and the like are solved.

The invention discloses a visualization direct current supply grounding device based on a video image, and a monitor method. The visualization direct current supply grounding device based on the video image comprises an RTU signal processing part and a grounding transmission control mechanism connected with the RTU signal processing part. The RTU signal processing part comprises a monitor part, an image display part, a power source part, a photovoltaic conversion module and a fiber optic Ethernet channel. The monitor part can transmit measurement signals to a monitor host in real time, wherein the measurement signals comprise ground wire hanging and detaching information, the electrified state of a contact net and the like when maintenance and first-aid repair are carried out; meanwhile, the image display part is started, and the turn-on and turn-off states of a grounding separation switch are collected in real time so that working personnel in a dispatching center can determine the accuracy of the information; meanwhile, the ground wire hanging and detaching position is located, and the purpose of the reliable on-line monitor and visualization monitor is achieved. The problems that in the maintenance and first-aid repair operation of an existing rail traffic power supply system, the ground wire still needs to be mutually hung and detached, actual image information of a spot cannot be visually obtained, the spot cannot be accurately mastered, error judgments are made and error power transmission is caused can be solved.

The invention discloses high flame retardant nylon resin and its preparation method. The preparation method comprises the following steps: reacting a polymerization monomer with a catalyst, a reactive flame retardant agent, a synergistic flame retardant agent, a carbon forming agent and a charring promoter according to a certain ratio at a specified temperature to obtain the flame retardant nylon resin, the reactive flame retardant agent can reacts with the polymerization monomer for polycondensation, and the synergistic flame retardant agent does not participate in the reaction, and is distributed in a polymer product to play a flame retardant function. The mechanical properties of the prepared flame-retardant nylon resin are good, the flame retardancy is long-lasting, the flame retardant efficiency is high, the flame retardant grade can reach UL94 standard V-0, and the flame-retardant nylon resin is suitable for injection of electronic equipment, household electrical appliances and automotive parts with environmental protection and flame retardant requirements, and is also suitable for military industry, aerospace and rail traffic fields with high flame retardant grade requirements.

The invention discloses a moving load analog loading method and device for a rail transit wheel axle. A plurality of actuators are distributed above sleepers along a rail direction, the bottom of each actuator is connected in the span middle of a distribution girder, the bottoms of two ends of the distribution girder are arranged above steel rails at two sides, two continuous steel rails are laid on the sleepers and are respectively cut into mutually independent sectional steel rails above the positions of the sleepers, and each pair of sectional steel rail and sleeper is connected by a fastening system. Vertical pressure and upward pulling force are applied on the actuators by an anti-drop external member. A stress load time travel curve of a single fastening system under the effect of the wheel axle moving at different moving speeds is determined according to a train-rail-roadbed theoretical model and is used as a load exciting curve of each actuator, and the adjacent actuators are dynamically excited sequentially in the same time interval along the moving direction of the wheel axle so as to realize the analog loading of the moving load of the wheel axle at different speeds. The invention provides a reliable and convenient loading platform for developing a rail traffic dynamic model test research.

The invention relates to a method for automatically generating a rail traffic line database. The method comprises the following steps: step 1, establishing a platform for automatically generating the rail traffic line database; step 2, drawing a station yard diagram according to a CAD (Computer Aided Design) drawing, namely using a drawn diagram module to place icons of a climax and boundary lines on the platform by adopting a dragging mode; step 3, right-clicking the climax and the boundary lines so as to trigger a selection menu, and setting information of all attributes through a diagram attribute input module; step 4, using the diagram data and attribute information generated in the step 2 and step 3 to generate an XML file format, and storing the XML file format into a magnetic disc to wait for processing by a computer; and step 5, using the diagram data and attribute information to generate the rail traffic line database. The method has the advantages that experience requirements on data production personnel are greatly reduced, and the quality, the rate and the batch production capacity of train operation control system projects are improved.