282results about "Vehicle route interaction devices" patented technology

The invention discloses an information acquisition and transmission system of track control equipment, which relates to the technical field of track traffic intelligent monitoring and comprises an intelligent sensing terminal, an edge intelligent analysis node, a safety communication module, a central control platform, a digital twin diagnosis center and a predictive maintenance engine. According to the invention, the intelligent sensing terminal integrates various sensors, adopts a permalloy shielding cavity to isolate external electromagnetic interference, is equipped with a three-stage lightning protection circuit to realize microsecond-stage lightning surge protection, can stably collect parameters of track control equipment in a severe environment, is internally provided with a lightweight LSTM model, carries out preliminary filtering analysis on original data, and is used for monitoring the parameters of the track control equipment. The device operation state can be dynamically identified, the sampling strategy can be adjusted, the basic sampling frequency is maintained in the stable state to reduce power consumption, the sampling frequency is improved by 10 times and the sensor gain is enhanced in the early warning or emergency state, all analysis decisions are completed at the local millisecond level without depending on the cloud, and the real-time performance and accuracy of data processing are effectively improved.

The invention relates to a method for identifying the characteristics of a rail vehicle (FZ), in which an axle counter (AZ1 ... AZ2) records measurement data during the passage of the rail vehicle (FZ). The measurement data is analyzed by a computer to determine the axle spacing of the rail vehicle (FZ). Based on the determined axle spacing, a first characteristic is determined by the computer, namely whether the rail vehicle (FZ) is a passenger train or a freight train. In a first test step, the determination of this first characteristic is checked to see if identical or similar patterns can be found in at least a predominant part of the sequence of axle spacings. If no pattern can be found, the rail vehicle (FZ) is assigned the characteristic of a freight train as its first attribute.Once a pattern has been identified, the railway vehicle (FZ) is assigned the characteristic of a passenger train as its first property, and / or a further test step is carried out to validate or extend the test result. This process can be supported by machine learning. Furthermore, the invention comprises a device for determining the properties of railway vehicles (FZ), a computer program, and a delivery device.

A method for monitoring the integrity of a railway system (2) comprises the steps of: acquiring measurement signals from multiple strain sensors (21) on a track rail (6) of the railway system (2); determining the integrity of at least one component (5, 6, 7, 9) of the railway system (2) based on the measurement signals, wherein the multiple strain sensors (21) are components of a linear detection device (19) attached to the track rail (6) and extend over a measuring section (31) along the track rail (6) with a length (L) of at least 100 m; and wherein the integrity is determined by means of an electronic evaluation unit (20) which is in signal communication with the multiple strain sensors (21), in particular at least 100 of the strain sensors (21), for receiving the measurement signals. A monitoring device (1) for monitoring the integrity of the railway system (2).

The invention relates to the technical field of railway signal processing, and discloses a track circuit compensation capacitor fault prediction method and system. The method comprises the following steps: acquiring real-time impedance spectroscopy data by using a distributed capacitive sensor network; performing multi-scale wavelet decomposition on the data, and extracting frequency domain energy distribution and transient abnormal fluctuation characteristics; constructing a dynamic Bayesian network model, and updating hidden state node posterior probability distribution through a variational inference algorithm; generating a fault risk index sequence based on a posterior probability, and designing an adaptive threshold adjustment strategy by using a reinforcement learning framework; constructing a mixed integer dynamic programming model to output fault early warning grade data; and constructing a multi-stage decision tree which comprises a feature screening layer, a pattern matching layer and a verification feedback layer. The method and the system can accurately predict the track circuit compensation capacitor fault in real time, improve the fault prediction accuracy and the system adaptability, reduce the false alarm rate, and provide reliable basis for railway operation and maintenance.

The present invention provides a monitoring system (104) comprising at least two interconnected sensors (102a, b, c) for monitoring events or situations in a traffic infrastructure (100) by detecting vibration at multiple sensor locations, wherein each sensor (102a, b, c) is integrated in a housing of an electrical connector directly connected to a traffic infrastructure equipment for deriving vibration patterns (109a, b, c) from the detected vibration, a method for monitoring events or situations in a traffic infrastructure (100) using a monitoring system (104) and a traffic infrastructure (100), in particular railway infrastructure, provided with such monitoring system (104).

The invention relates to the technical field of fault prediction, in particular to an online fault diagnosis method and system for railway axle counting equipment, and the method comprises the following steps: collecting an original analog voltage signal of an axle counting sensor on line in real time, sampling a wheel passing signal each time, obtaining an original voltage signal sample, and calculating the fault of the axle counting sensor; time axis stretching transformation is carried out on each original voltage signal sample, and a standardized waveform sequence is established; according to the method, the original analog voltage signal of the axle counting sensor is subjected to successive sampling and standardization processing, so that the comparability of the waveform in the time dimension is improved, and the micromorphological feature vector is constructed by combining a plurality of waveform features such as peak symmetry, rising edge slope, falling edge slope, oscillation attenuation rate after zero crossing, integral area and the like; fine-grained information reflecting the health state of the sensor is modeled.

Embodiments of the application relate to a technical field of traffic trackside intelligent devices. A trackside device includes: a collection module configured to collect detection information at a side of a track; a processing module configured to process the detection information to obtain a processing result; a trackside resource control module configured to drive and control a trackside resource when a trackside resource request is received from a target train and the trackside resource is in a released state, wherein the trackside resource control module is further configured to monitor a state of the trackside resource; and a communication module configured to communicatively connect with a ground center and the target train.

Assemblies, systems, and methods for inspecting vehicles are disclosed. An assembly can comprise a first angled camera, a second angled camera, an upright camera, lights, and a housing configured to attach to a railway. The first angled camera can be oriented at least partially in a generally vertical direction and at least partially in a first horizontal direction, and directed to a first target region from a first viewpoint. The second angled camera can be oriented at least partially in the generally vertical direction and at least partially in a second horizontal direction, and directed to a second target region from a second viewpoint. The upright camera can be oriented substantially in a vertical direction, and configured to capture images of a third target region from a third viewpoint.

A rail vehicle system is described which comprises: i) a track section which has a monitoring device, in particular an axle counter, which is configured to monitor the state of the track section; ii) a rail vehicle which passes the track section forwards and / or backwards; and iii) a control device which is coupled to the rail vehicle and which is configured to perform ghost train detection using the rail vehicle and the state of the monitoring device; characterized in that iv) the control device is further configured to determine whether a short vehicle whose position is not recorded in the rail vehicle system meets an activation criterion, and, if the activation criterion is met, to perform ghost train detection in a high-speed mode at increased speed.

The invention relates in particular to a wheel detector for a railway track system for detecting the wheels of a passing track vehicle. According to the invention, in relation to the wheel detector, the transmitting device (10) of the wheel detector designed to generate an alternating electromagnetic field can adjust its effective transmission frequency (f) by means of a control signal (ST) and is allowed to select the effective transmission frequency (f) from at least two different transmission frequencies, and the evaluation device (30) of the wheel detector is designed to adjust the transmission frequency (f) by means of a control signal (ST) when the reception signal (Se) of the receiving device (20) of the wheel detector meets predetermined conversion criteria.

The utility model relates to a signal acquisition and processing device and a track signal detection system, the signal acquisition and processing device comprises a coil interface, the signal acquisition end of the coil interface is used for being connected with the signal output end of a maintenance interface of a locomotive signal host; the signal acquisition module is connected with the signal acquisition end, and the signal acquisition module is used for carrying out analog-to-digital conversion processing on the track signals output by the signal acquisition end; the signal processing module is connected with the signal acquisition module, and the signal processing module is used for decoding the track signals output by the signal acquisition module; the data storage module is connected with the signal processing module, and the data storage module is used for storing the track signals output by the signal processing module. The signal collecting and processing equipment solves the problem that in the prior art, the quality condition of a track signal collected by a ground sending end is difficult to accurately reflect the quality condition of a track signal received by a vehicle-mounted receiving end.

A system and method for virtual block operational status control with long block time delay is presented. The present disclosure can advantageously increase the capacity and safety of the existing railroad track infrastructure used by the railroads by determining whether a virtual block is healthy or unhealthy. The long block mode can provide a coarse granularity on the presence of a train. In virtual block mode, the system can implement a finer granularity so the virtual aspects of the sub blocks can be realized. The present disclosure provides a long block mode that can provide the system an opportunity to analyze the potential tradeoffs between granularity and reliability by determining which mode (virtual block or long block) is best utilized in a given situation. The system can operate by default in long block mode and ignore the virtual block capabilities until absolutely needed.

A maintenance apparatus (10) transmits a pulse signal from a predetermined observation point (P) of rails (R), observes an observation signal that appears at the observation point (P) after transmission of the pulse signal, compares an observation history of the observation signals and the observation signal received this time, and detects occurrence of abnormality in any one of the rails (R) and at least one electric apparatus (20) connected to the rails (R).

A system and method for virtual block operational status control with long block time delay is presented. The present disclosure can advantageously increase the capacity and safety of the existing railroad track infrastructure used by the railroads by determining whether a virtual block is healthy or unhealthy. The long block mode can provide a coarse granularity on the presence of a train. In virtual block mode, the system can implement a finer granularity so the virtual aspects of the sub blocks can be realized. The present disclosure provides a long block mode that can provide the system an opportunity to analyze the potential tradeoffs between granularity and reliability by determining which mode (virtual block or long block) is best utilized in a given situation. The system can operate by default in long block mode and ignore the virtual block capabilities until absolutely needed.

A train simulator test device is disclosed that is operably coupled to a rail to measure the static impedance of the track circuit and to simulate a train by varying the rail inductance for a set period of time. The testing device can select the speed, direction and number of trains to be simulated. By applying a variable inductor on the rail, the test device can simulate that a train enters and exits an island at a variable speed. The test device may use electrical induction on the rail to simulate simultaneous movement of two or more trains in each direction of the track, as well as multiple appearances and routes. The train simulator test device may include simulation software to vary parameters of the train simulation and couple a variable inductor on the rail.

A track circuit apparatus (1) measures a transmission voltage and transmission current of an AC signal transmitted to rails, calculates an impedance equivalent value based on amplitudes of and a phase difference between the measured transmission voltage and transmission current, and determines presence of the train based on values of real and imaginary component values of the calculated impedance equivalent value.

The utility model relates to the technical field of rail traffic engineering, in particular to a comprehensive grounding structure of a city railway ballast bed, which comprises a longitudinal grounding steel bar, a transverse grounding steel bar and a comprehensive grounding steel bar mesh, the comprehensive grounding reinforcing mesh is embedded in the bottom of each roadbed slab, and the comprehensive grounding reinforcing meshes at intervals are communicated through grounding reinforcing steel bars every other roadbed slab; a plurality of roadbed slabs are used as a grounding unit at a certain distance, the grounding units are not communicated with one another, the roadbed slabs in one grounding unit are communicated with one another through connecting terminals, and the connecting terminals are connected with weak current side reserved terminals on the roadbed slabs. The utility model has the advantages that the rail structure height of the urban railway shield tunnel is reduced, the concrete consumption is reduced, the construction procedures are reduced, and the comprehensive grounding method is simplified; and the method has good economical efficiency.

The application discloses a kind of rail vehicle's turn-back method, device, system, wherein, the turn-back area of rail vehicle is equipped with first movable turn-back rail and drive assembly, and the turn-back method of rail vehicle includes the following steps: judging whether rail vehicle meets turn-back condition;If satisfied, control drive assembly action, to make the first movable turn-back rail loaded with rail vehicle rotation change end, and make the first movable turn-back rail loaded with rail vehicle from the first position of first direction line change to the second position of second direction line, wherein, first direction and second direction are reverse each other.The turn-back method of rail vehicle can improve the turn-back efficiency of rail vehicle, and can allow rail vehicle to reduce its complexity.

To provide an electron-generating material and electron-generating member, which can reduce a friction coefficient.SOLUTION: An electron-generating material capable of reducing a friction coefficient is provided, the material comprising powder of a natural mineral containing a radioactive substance and powder of an electron-generating material that generates electrons when subjected to alpha rays emitted from the natural mineral, where the powder of the electron-generating material comprises titanium dioxide powder, lanthanum hexaboride, and silicon metal.SELECTED DRAWING: None

An adjustment system (1) for adjusting magnetic rail contacts (2) on rails (3) for rail vehicles comprises an adjustment device (4) and a connecting part (5). The adjustment device (4) has a main unit (6), wherein the connecting part (5) is configured to be connected to a connection point (7) of a rail network – for example, to a cable distributor. The adjustment device (4) is configured to measure the actual contact path length of a magnetic rail contact (2) by contacting a rail (3). The adjustment system (1) has at least one receiver unit (4, 10). The connecting part (5) comprises a signal transmitter (41) for wireless transmission of signals to the receiver unit (4, 10), wherein the receiver unit (4, 10) has a signal receiver (43, 44).

The application discloses a method for judging whether a computer interlocking device matches a highest allowable speed of a train or not, and whether the computer interlocking device can satisfy normal unlocking of a route when the train runs at the highest allowable speed; and the condition for the normal unlocking of the route is that the computer interlocking device detects an occupancy state of a current track section first, then detects an occupancy state of a next track section, and finally detects a clearance state of the current track section. The method solves the problem that the performance setting of the computer interlocking device, the train length matched with the computer interlocking device and the length of a track section in a station should satisfy the requirements when the train runs at the highest allowable speed, and provides technical support for new product research and development and project implementation of the computer interlocking device.

Disclosed are a control method and system for a level crossing device. The method comprises: dividing a level crossing train track into a plurality of track sections; obtaining a section state of each of the plurality of track sections; converting the section state of each track section into a logic variable, and, on the basis of the logic variables, determining a train travel state on the level crossing train track; and, on the basis of the train travel state, controlling a level crossing device on the level crossing train track. The control method for a level crossing device provided in the present invention is compatible with multiple requirements. On the basis of actual conditions and needs, the opening and closing of the level crossing can be automatically controlled using train running position, axle counting detection, and track circuit detection, and by receiving position information provided by an interlocking device, position information provided by an adjacent safety level crossing control system, and position information provided by an approach notification relay. The method includes group control functionality for adjacent level crossings within a region, and is configured with a manual control panel to provide emergency manual control capability.

A simulated track inductor mount (108) including a base (116) configured to be fixed against a supporting surface and an inductor hub (118) attached to and extending from the base (116). The inductor hub (118) includes one or more surfaces defining a margin and being configured to engage with an inner surface (112) of the simulated track inductor (110), and the one or more surfaces are fixed to a camming tab configured to flex to removably seat the simulated track inductor on the inductor hub (118).

The invention relates to a transponder (30) for installation in or next to a ballast of a railway installation (1) and for transmitting a transponder signal to a passing rail vehicle. According to the invention, the transponder comprises at least two antennas (35a, 35b), which are each suitable for generating an electromagnetic field, wherein the antennas (35a, 35b) can be driven individually by a control device (40) of the transponder, and wherein the control device (40) is designed to switch continuously between at least two drive modes while the control device is operating, which drive modes differ from one another in terms of the drive of the antennas (35a, 35b).

The present invention relates to a fiber optic monitoring device (30) for monitoring adhesion conditions between at least one wheel (12) of a rail vehicle unit (11) of a rail vehicle (10) and a rail (20) traversed by the rail vehicle unit (11), comprising: at least one optical fiber (31) which runs at least along a section of the rail (20) in one direction of travel (x), at least one light coupling unit (32) configured to couple light into the at least one optical fiber (31), and at least one detection unit (32) optically connected to the at least one optical fiber (31), wherein which at least one optical fiber (31) is configured to change a property of light guided through the optical fiber (31) depending on a vibration acting on the optical fiber (31), and wherein which at least one detection unit (32) is configured to detect the changed property of the light. No more than 1500 characters (DE procedure)

The present invention relates to a fibre-optic monitoring device (30) for monitoring adhesion conditions between at least one wheel (12) of a rail vehicle unit (11) of a rail vehicle (10) and a rail (20) on which the rail vehicle unit (11) travels, the fibre-optic monitoring device comprising: at least one optical fibre (31) which extends at least along a section of the rail (20) in a direction of travel (x); at least one light-coupling unit (32) which is designed to couple light into the at least one optical fibre (31); and at least one detection unit (32) which is optically connected to the at least one optical fibre (31), wherein the at least one optical fibre (31) is designed to change a property of light guided through the optical fibre (31) depending on vibrations acting on the optical fibre (31), and wherein the at least one detection unit (32) is designed to detect the changed property of the light.