179 results about "Rail network" patented technology

A high-speed rail train driving method based on the section profile passenger flow includes the following steps that high-speed rail station information is obtained through a high-speed rail network operating system firstly, and a high-speed rail network is divided into a plurality of sections; the stop modes of high-speed rail trains are determined according to multiple grades; the O-D (origin-destination) demands of each section are classified according to the stop modes; the historical data about the actual O-D demands of each section are obtained, and the time varying demand of each type of O-D in each section is obtained through a linear second exponential smoothing prediction method; on the basis, the driving scheme unit of each section is made according to the sequence of the trains from the high grade to the low grade; all the driving scheme units are spliced and combined to form an initial train driving scheme; and finally, the scheme is adjusted to meet various restraint conditions and optimized through a simulation annealing algorithm, and each high-speed rail train is driven according to the optimization result. The high-speed rail train driving method based on the section profile passenger flow takes the benefits of the high-speed rail system and the passenger demands into account, and can improve the running benefits of the high-speed rail system.

The invention discloses a regional rail network UAV cruise method based on dynamic cell division. The method comprises the following steps; grading roads, dividing all the roads into important parts and unimportant parts according to grades so that there are differences when the cruise is arranged; carrying out preliminary flight cell division to the whole area according to a UAV cruise radius and a ground control center, wherein one UAV cruises one flight cell; carrying out UAV flight path optimization to the roads with different grades in the each flight cell and performing cruise time constraint examination according to a UAV path optimization result; if a condition is satisfied, determining the path as the optimal path; otherwise, turning into a next step; if the cruise time constraint is not satisfied, using a cluster analysis method to further dividing the each cell; repeating the above steps till all the constraints are satisfied so as to obtain the final optimization cell and the optimization path and determine a cruise scheme.

An automated storage system provides for storing and retrieving items at a common storage space, such as a warehouse. The system includes an arrangement of storage rails that support storage containers. A delivery rail network extends adjacent to the storage rails and to human worker-operated workstations. Picker devices, maneuvering along the delivery rail system, operate to locate a selected storage container, decouple the container from the storage rail system, and transport the storage container along a segment of the delivery rail network. A mover device then receives the selected storage container from the picker device and transports the storage container to a workstation, where items can be retrieved from (and/or added to) the storage container by the human worker.

The invention provides a multilayer three-dimensional parking garage and belongs to the technical field of parking garages, and the multilayer three-dimensional parking garage can be used for solving the problems of difficulty in building of the traditional three-dimensional parking garage and instability of entering or leaving the parking garage. The multilayer three-dimensional parking garage comprises a control circuit and a bracket, wherein the bracket is divided into an upper-layer parking space and a lower-layer parking space; the upper-layer parking space is internally provided with an upper-layer vehicle carrying platform and an upper-layer drive mechanism; the upper-layer drive mechanism comprises a towing chain, an upper-layer drive device and a channeled rail network, and the upper-layer drive device is connected with the towing chain; the upper-layer vehicle carrying platform is provided with a pulley which is clamped in the channeled rail network, the towing chain is respectively arranged on the inner side of the bracket at two sides of a vehicle entrance, the end part of the towing chain is fixedly connected with a vertical arm on the corresponding side of the upper-layer vehicle carrying platform; and the towing chain can drive and pull the upper-layer vehicle carrying platform to move along entrance guide rails under the drive of the upper-layer drive device. The multilayer three-dimensional parking garage has the advantages of simpleness in building, good practicability, and stability and reliability when a vehicle enters a parking space, and can be built for multiple layers in an upward manner so that limited parking space resources are fully utilized and all parking spaces are not interfered mutually.

This management system for managing the route of a rail vehicle travelling on a rail network between a departure point and an arrival point includes means for causing a change in the route of the rail vehicle between a route-change node and a convergence node at which the changed route converges back on the initial route. The means for causing a route change include means for determining a set of routes comprising all of the possible routes between the route-change node and the convergence node, and means for comparing said set of routes with the initial route so as to cause the route change to be made along the route that is closest to the initially-planned route.

The invention discloses a rail transit key node and a key road section identification method. The method includes: based on a complex network theory and a PageRank algorithm, calculating a topologicalindex value of the rail network as a node importance evaluation system value; carrying out evaluation value calculation on a node importance evaluation matrix by adopting three evaluation methods ofa grey correlation analysis method, a TOPSIS method and a principal component analysis method, determining weights of evaluation results by utilizing an entropy weight method, and finally obtaining importance values of the nodes and the road sections so as to identify the key nodes and the key road sections. According to the invention, identification of the key nodes of the rail transit network isobjectively and comprehensively considered; the key node importance degree calculation method is designed by using relevant theories such as a complex network and comprehensive evaluation, stations needing important maintenance in rail transit operation can be judged, the importance degrees of all the stations are ranked, and a choice is further provided for robustness analysis of the key nodes of the rail transit network.

This invention relates to a method and system for the operation of trains on a rail network, and has particular application in the context of long-haul rail networks. The invention provides a method and system which monitors the progress of a train on a long-haul network, calculates efficient control profiles for the train, and displays driving advice to the train crew. The system calculates and provides driving advice that assists to keep the train on time and reduce the energy used by the train by: (i) monitoring the progress of a journey to determine the current location and speed of the train; (ii) estimating some parameters of a train performance model; (iii) calculating or selecting an energy-efficient driving strategy that will get the train to the next key location as close as possible to the desired time; and (iv) generating and providing driving advice for the driver.

A rail transport system automates control of the wagon composition of a convoy of wagons by employing an existing network infrastructure. The system includes a central provider system that collects information regarding transport needs of users and controls overall operation of the system; a first peripheral system fixed in every station of the rail network and is configured to interact with the central provider system to compose the wagons of the convoy and exchange information with the wagons in the station to coordinate their movements in the station; a mobile second peripheral system located on each of the wagons and configured to coordinate the movements of the wagon; and a mobile third peripheral system on the locomotive of the convoy and configured to interact with the central provider system and the first peripheral system to define the convoy composition and coupling/uncoupling of selected ones of the wagons along a route.

Bulk goods are transported on a rail network to a terminal which includes a loading with a metering device for measuring an amount of the bulk goods loaded or unloaded. At the terminal there is a control hub connecting to a plurality of portable hand held field computers and a communication system for communication with the rail network to obtain a Car Location Message (CLM), a way bill and mechanical data for each of the railcars. An input to the hub is provided by a plurality of self-powered scanning stations each including an RFID reader having an antenna for reading the RFID tag of an adjacent rail car where each scanning station has two radar proximity transducers responsive to presence of a rail car where the RFID reader has a quiescent mode and the radar proximity detectors activate the reader from the quiescent mode on detection of a railcar.

The invention discloses a method and a device for monitoring the high-speed rail network quality, and relates to the field of wireless communication network monitoring. According to the embodiment of the invention, wireless call lists of mass users are taken as an analysis object, call lists of high-speed rail users are screened out from the user wireless call lists based on an established high-speed rail sector group, call-drop records are screened out from the call lists of the high-speed rail users, the number of call-drop times of each high-speed rail sector in the high-speed rail sector group can be calculated according to the call-drop records, and a high-call-drop sector can be determined through sorting the number of call-drop number of each high-speed rail sector, thereby realizing monitoring for the high-speed rail network quality. On the one hand, the call lists of mass users can taken as the analysis object, thereby having the characteristics of large quantity of samples and high real-time performance, and being capable of discovering network problems timely and comprehensively; and on the other hand, screening is carried out on the call lists of the users so as to select the call lists of the high-speed rail users, the call lists of the high-speed rail users are taken as a statistical object, thereby being capable of reflecting network coverage quality problems in a high-speed rail area accurately.

The invention relates to a method for flexibly scheduling passenger trains in a high-speed rail network under random demand conditions. The method is built on the basis of optimizing a daily road section passenger capacity supply model, takes random variation conditions of passenger flow, limitation of quantity of motor train units put in the high-speed rail network, seating capacity of trains, passenger stranding conditions in stations and the like into consideration and takes the passenger capacity of road sections put into use as a decision variable and the quantity of passengers as a random variable to build a model for flexibly scheduling the passenger trains in the high-speed rail network under the random demand conditions. A flexible passenger train scheduling scheme meeting different passenger demands is obtained by solving the model, thus providing a theoretical reference for a decision maker to schedulethe passenger trains in the high-speed rail network.

Disclosed is method and system for continuously re-generating reactive on-line train schedules for trains running in a large railway network. Railway network partitioned based on user configuration, into first type comprising trunk line and feeder line sub-networks, and second type comprising supervisory dispatch control territories. Sense and respond cycle is continuously executed on multi-processor computing environment, senses dynamic data from field about train movements, and other changes from users. For each first type sub-network, degree of deviation is computed from incumbent plans and congestion in sub-networks. Using degree of deviation and congestion, trains are rerouted and suitable scheduling methods are chosen for each sub-network and executed in parallel and first level train schedules are sent to second level train schedulers working on second type sub-networks which in parallel identify and resolve conflicts among first level train schedules. Second level train schedules are collated to generate reactive on-line network train schedule.

The invention provides a rail network detection system and a detection vehicle. The rail network detection system comprises a rail measurement system and a contact network measurement system, whereinthe rail measurement system is used for measuring rail information, and transmitting the rail information to a data collection unit, the data collection unit transmits the rail information to a data processing unit, the data processing unit processes the rail information, and obtains a rail detection result, the contact network measurement system is used for measuring contact network information,and transmitting the contact network information to the data collection unit, the data collection unit transmits the contact network information to the data processing unit, the data processing unit processes the contact network information and obtains a contact network detection result. The rail network detection system can detect the rail and the contact network simultaneously, completes rail detection and contact network detection by one step, saves a lot of detection time, improves detection efficiency and saves time and effort.

The embodiment of the invention relates to a high-speed rail network coverage prediction method and device based on machine learning and ray tracing. The method comprises the steps that a three-dimensional electronic map of a target high-speed rail scene is acquired; based on the three-dimensional electronic map of the target high-speed rail scene, ray tracking simulation is used to calculate a preliminary prediction value of each position measurement point in the target high-speed rail scene; the preliminary prediction value is corrected through machine learning based on the actual measurement value of each position measurement point in the same target high-speed rail scene in combination with the preliminary prediction value of each position measurement point to obtain a correction factor of the preliminary prediction value; and according to the correction factor of the preliminary prediction value, high-speed rail scene receiving field intensity prediction is carried out by using ray tracking simulation. In the embodiment of the invention, a ray tracking simulation technology and deep reinforcement machine learning are utilized to provide a more accurate input basis for scene correction, the application deployment range is more universal, and the robustness is higher.

The invention discloses a throat area rail space-time conflict prediction based simulation method. The throat area rail space-time conflict prediction based simulation method includes: establishing a station yard rail network model, making an approach road information table, and making a train timetable; determining if there is an available draw-up approach road or not, occupying the draw-up approach road and performing drawing up according to the selected draw-up approach road; selecting a departure approach road during departure; and determining there is an available departure approach road or not, and occupying the departure approach road and performing departure according to the selected departure approach road. The invention also provides a throat area rail space-time conflict prediction based simulation system including a rail model establishment model, an approach road information table making module, a train timetable making module, a draw-up approach road selection module, a draw-up approach road determination module, a draw-up rail occupation module, a departure approach road selection module, a departure approach road determination module, and a departure rail occupation module. The throat area rail space-time conflict prediction based simulation method is high in efficiency, is simple in process, and is wide in application range; and efficient convenient and high expansibility simulation of high speed railway stations can be achieved.

The invention discloses a turnout steering mechanism of a suspended type monorail bus rapid transit. The turnout steering mechanism comprises a rail, a main frame and main guide wheels, wherein the rail consists of an upper guide rail, a lower guide rail and a rail bracket which connects the upper guide rail and the lower guide rail together, the main guide wheels slide on the lower guide rail and are installed on the main frame, a compartment is suspended on the main frame, an auxiliary frame is installed on the main frame, auxiliary guide wheels and a magnetic sucking disc are installed on the auxiliary frame, when passing through a turnout, the magnetic sucking disc and the upper guide rail generate attraction force, the auxiliary guide wheels slide on the upper guide rail, and a small clearance is kept between the magnetic sucking disc and the upper guide rail. The turnout steering mechanism of the suspended type monorail bus rapid transit has the advantages of low construction cost, simplicity in rail network, accurate turnout separation, reliability in working and the like.

The invention discloses an urban express cargo midway delivery system and a delivery method thereof, wherein the urban express delivery midway delivery system in the present invention includes: a delivery channel, an elevator, a cargo storage and retrieval cabinet, a transport vehicle and a central controller; the delivery channel and The access channels are respectively provided with traveling rails, and a rail transfer device is provided between the intersecting traveling rails; the elevator is arranged at the end of the access channel; the cargo storage and withdrawal cabinet is arranged next to the elevator; the transport vehicle includes a frame and a driving device , wheels and cargo boxes, the wheels are matched with the traveling rails; the central controller is connected with the rail transfer device, the elevator, and the cargo storage cabinet through the control signal line or network. The midway transportation method of urban express goods in the present invention is used in the above system, and the urban express goods midway transportation system and its transportation method of the present invention can implement fast meal delivery in the city without being affected by traffic factors, and expand the meal delivery service delivery range.

The invention relates to a device for producing, storing and transporting products from the tobacco processing industry. The device comprises a production device for manufacturing intermediate products of tobacco industry, a production device for manufacturing finished products of tobacco industry, a storage and transport system that is provided for storing and transporting material needed for manufacturing, manufactured intermediate and/or finished products of tobacco industry in or on load carriers in the device, and a station provided for changing the level of load carrier. The storage and transport system is connected with the production devices for manufacturing intermediate and finished products of tobacco industry, and the station for changing the level of the load carrier. The storage and transport system is designed into a storage rack which, except for storing and carrying products storage, is provided with a rail network and a movable transport vehicle for receiving and discharging the load carrier above the rail plane.

A database schema is disclosed that can significantly reduce the quantity of data required to describe the geometry of a train track and the geo-locations of features (e.g., grade crossings, mileposts, signals, platforms, switches, spurs, etc.) along the track. In accordance with the illustrative embodiment, a railroad track is represented as a plurality of partitions, each of which has its geometry contained within unique track point elements. Multiple track partitions are then joined together by common track point elements at their boundaries to create continuous rail networks. A compact table schema is employed that enables continuous sections of three-dimensional track splines to be rendered accurately in the track database, irrespective of the location of vertical and horizontal curvature along track segments. The data representation scheme also enables efficient storage of the geo-locations of features along a track, as well as the direct reconstitution of accurate three-dimensional track splines.