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132results about "Traffic gates operation" patented technology

Track state monitoring method and device, electronic equipment and medium

The invention relates to a rail state monitoring method and device, electronic equipment and a medium, and relates to the field of rail state detection.The method comprises the steps that outer side image information of corresponding railings and inner side image information between the two railings after the two railings at a crossing are closed are obtained, vehicle recognition is conducted on the inner side image information, and a recognition result is obtained; if the vehicle exists in the identification result of the inner side image information, determining the center position where the vehicles on the inner sides of the two groups of railings are distributed and the model of each vehicle on the inner side based on the inner side image information, and determining a target railing needing to be opened in the two groups of railings based on the outer side image information and the center position; and determining the opening angle and the opening speed of the target handrail based on the central position and the model of each inner side vehicle, and controlling the target handrail to act according to the opening angle and the opening speed. The method has the effect of enabling trapped vehicles to rapidly and safely drive out of the crossing.
Owner:BEIJING SHIZHI HONGYUAN TECH

Device and method for responding to loss-of-brake on a railroad crossing gate mechanism

A crossing gate mechanism includes an electric brushless direct current (BLDC) motor with a sensing device, a crossing gate arm operated via the BLDC motor, a motor brake coupled to the BLDC motor, wherein the motor brake is configured to hold the crossing gate arm in a position, and a controller configured to control the BLDC motor, wherein the controller is configured to control the BLDC motor to raise or lower the crossing gate arm in response to a gate control signal, and wherein, when the motor brake fails to hold the crossing gate arm in the position, the controller is configured to control the BLDC motor to hold the crossing gate arm in the position instead of the motor brake.
Owner:SIEMENS MOBILITY INC

Intelligent crossing early warning protection system

The invention relates to an intelligent crossing early warning protection system, which comprises a central monitoring system, a crossing control terminal, an area acquisition terminal and a vehicle-mounted terminal, and is characterized in that the crossing control terminal acquires crossing information and wirelessly transmits the crossing information to the vehicle-mounted terminal, and the vehicle-mounted terminal wirelessly transmits the information to the crossing control terminal and the central monitoring system; the central monitoring system is in wired transmission with the crossing control terminal, and the area acquisition terminal acquires field equipment information and transmits the field equipment information to the crossing control terminal; the vehicle-mounted terminal is arranged on a locomotive cab operation table, a virtual electronic fence is arranged, when a crossing alarm is given, if a vehicle or a pedestrian invades the electronic fence, automatic grabbing is carried out, an early warning prompt signal is sent out, and a locomotive driver monitors the crossing state in real time; according to the invention, the crossing equipment state and the crossing video information are mastered in real time, the safety early warning and protection of the unattended crossing are realized, and the traffic safety of the crossing is comprehensively ensured.
Owner:AN STEEL METAL STRUCTURE CO LTD

Railway crossing control system, method and apparatus, and storage medium

The present invention relates to the technical field of rail transit. Disclosed are a railway crossing control system, method and apparatus, and a storage medium. The system comprises: a speed measurement and distance measurement device, which is used for acquiring the real-time speed of a train and the real-time distance from the train to a crossing on the basis of the real-time signal strength and the real-time signal strength change rate of a detection signal; and a central device, which is used for determining a target crossing closure notification position by means of a pre-trained train operation state prediction model on the basis of the real-time speed of the train and the real-time distance from the train to the crossing, generating crossing closure information and sending the crossing closure information to a crossing device, and generating a train movement permission and sending the train movement permission to an onboard device. In the technical solution of the present embodiment, a crossing closure notification position is determined on the basis of the real-time speed of a train and the real-time distance from the train to a crossing, such that a crossing closure occasion can be automatically determined on the basis of the real-time running speed of the train, the distance from the crossing closure notification position to the crossing can be shortened, the crossing closure occasion is delayed, and the transportation efficiency on a railway side and a road side can be improved.
Owner:CRSC RESEARCH & DESIGN INSTITUTE GROUP CO LTD

Crossing centralized control method and system based on multi-source perception

The invention relates to the technical field of railway traffic safety control, and discloses a crossing centralized control method and system based on multi-source sensing, and the method comprises the steps: collecting multi-source sensing data, and carrying out the time synchronization of the multi-source sensing data; carrying out preprocessing and feature extraction on the time-synchronized multi-modal sensing data stream; carrying out multi-source sensing fusion by adopting an environment self-adaptive dynamic weight distribution mechanism; obtaining sensing results of adjacent crossings, performing time-space associated cooperative sensing enhancement, and outputting train arrival time prediction and confidence; performing end-to-end deep learning model decision making; executing graded early warning and fence gate control, and outputting a crossing protection execution state and an execution process log; carrying out model training and optimization; according to the invention, all-weather reliable perception, intelligent decision and cooperative control are realized, and the safety and passing efficiency of the crossing are improved.
Owner:SHANDONG DALAILONG RAILWAY

Monitored machine learning of a computer-implemented method for carrying out a technical process

The invention relates to monitored machine learning of a method for carrying out a technical process (TPR), in which output data containing data sets (x; y) with input data and describing a correct process result are created in a data pool (DP), the method is trained in a training phase (TP), wherein procedure parameters of the method are varied when repetitions of the method are carried out, in a validation phase (VP) the trained method is checked in that the output data calculated with the input data by means of the trained method are compared with the output data describing the correct process result and as a result of said comparison, an actual probability of failure (Ptrue) is calculated for the method. It is proposed that all data sets (x,- y) in the data pool (DP) are provided as both training data sets (TD) and validation data sets (VD), for the training phase (TP) an empirical probability of failure (Pemp) is defined which is at most as high as a predefined target probability of failure (PFD), the validation phase (VP) is initiated after it has been ascertained, in the training phase (TP), that the empirical probability of failure (Pemp) has not been exceeded. It is furthermore proposed that a statistical significance (α) of the result of the validation phase (VP) is taken into consideration in that, in the validation phase (VP), for comparison with the actual probability of failure (Ptrue) a corrected probability of failure (Pval) is defined which is lower than the predefined target probability of failure (PFD).
Owner:SIEMENS MOBILITY GMBH

Crossing control method and system based on video analysis and magnetic steel sensor

The invention provides a crossing control method and system based on video analysis and a magnetic steel sensor, and belongs to the technical field of crossing control. By obtaining a train route state in front of a crossing, when a train triggers a first route position, a first position signal is obtained; tracking the train according to the first position signal video to obtain the position of the train, and giving an alarm through an audible and visual alarm; when the train triggers the second position of the access road, a second position signal is obtained, and the barrier machine is controlled to close the crossing according to the second position signal; and judging whether the current train passes through the crossing area or not according to a target identification result of video tracking, and determining to start a barrier machine to open the crossing and turn off an audible and visual alarm according to a judgment result. Therefore, the automation degree and the accuracy of barrier control are improved through video tracking and identification of the train route by judging the network, and the intelligent degree and convenience are improved.
Owner:CRSC RESEARCH & DESIGN INSTITUTE GROUP CO LTD

Railway crossing warning method, device and control system

The present application relates to the technical field of railway crossing traffic safety, and discloses an early warning method for railway crossings. The early warning method for railway crossings includes: when the head of a train passes through a fixed notification point, and when it is determined that the speed sensor, acceleration sensor, and distance sensor are working normally, obtaining multiple detection speeds and multiple detection accelerations of the train within a preset time length / preset distance; determining the real-time speed of the train according to the multiple detection speeds, and determining the real-time acceleration of the train according to the multiple detection accelerations; determining the current calculated distance between the dynamic notification point and the crossing according to the real-time speed and the real-time acceleration; obtaining the current actual distance between the train and the crossing, and after the current actual distance reaches the current calculated distance, starting the crossing early warning and the crossing closing process. The use of this early warning method can improve the efficiency and safety performance of the crossing. The present application also discloses an early warning device and control system for a railway crossing.
Owner:CRSC INT CO LTD

Protective device

The utility model discloses a protection device, relates to the technical field of railway internal combustion locomotives, and solves the problems that an existing protection device is easy to be crossed by passersby and harms the safety of the passersby, the protection device comprises a fixed shell, the outer surface of the fixed shell is rotatably connected with a blocking mechanism, and the outer surface of the blocking mechanism is fixedly connected with a warning mechanism. And the blocking mechanism comprises a blocking rod rotationally connected to the outer surface of the fixed shell, the upper surface of the blocking rod is fixedly connected with a connecting shell, the outer surface of the connecting shell is rotationally connected with a rotating rod, and the outer surface of the rotating rod is fixedly connected with a balancing weight. The second motor is started, the output shaft of the second motor drives the rotating rod to rotate, the rotating rod rotates to drive the flashing lamp to rotate, then a ring-shaped protection range is formed on the outer surface of the blocking rod, and passersby cannot climb over the blocking rod conveniently due to the fact that the outer surface of the blocking rod does not have a force bearing point facilitating grabbing.
Owner:SHAANXI JINGSHEN RAILWAY CO LTD

Level crossing priority passing control system

The invention discloses a level crossing priority passing control system, which belongs to the technical field of level crossing control, and comprises a comprehensive control box, a sensing device and a road warning device, a first sensing unit and a second sensing unit which are sequentially arranged on the two sides of a level crossing in the advancing direction of a train and have a certain distance from the level crossing are connected with a comprehensive control box, so that a signal that the train is about to arrive and a signal that the train leaves are transmitted to the comprehensive control box; and the comprehensive control box controls the road warning device to work so as to control whether the train passes in the road direction or not, so that the priority passing right of the train at the level crossing is ensured, and the smoothness of the road and the safety of the train when the train passes through the level crossing are ensured to the greatest extent. According to the level crossing priority passing control system, total and intensive control over equipment and facilities at the level crossing is achieved, and the working efficiency of all equipment at the level crossing is improved.
Owner:CHINA RAILWAY SIYUAN GRP SOUTHWEST SURVEY & DESIGN CO LTD +1

Rotating indication mechanism, level crossing barrier mechanism, and method for determining discrete signal thereof

The present invention relates to the field of traffic protection devices, and provides a rotating indication mechanism, a level crossing barrier mechanism, and a method for determining a discrete signal thereof. The rotating indication mechanism comprises a top plate movably disposed on a surface of a barrier main shaft and a trigger mechanism which is arranged on the top plate and cooperates with an indication switch; the trigger mechanism comprises a cam and a torsion spring, a first groove is provided on a side of the top plate close to the switch, the cam is rotatably arranged in the first groove by means of a rotating shaft, a second groove is provided within the first groove near a middle section of a side of the top plate, an opening is provided at a middle section of the cam on a side away from a cross-section of the cam, and the torsion spring is annularly arranged on the rotating shaft at a middle section of the opening of the cam and abuts against the second groove; and the indication switch makes and breaks a circuit by means of engagement with the cross-section of the cam and the torsion spring. An adjustable protruding surface is arranged on the barrier main shaft, so as to make the barrier main shaft more accurate in a horizontal or vertical position, and to better facilitate on-site installation and maintenance; and a buffer structure is arranged on the protruding surface of the barrier main shaft, allowing contacts of the indication switch to achieve greater travel, thereby making barrier-in-position indications more reliable and stable.
Owner:CRSC RESEARCH & DESIGN INSTITUTE GROUP CO LTD

Electric fence door equipment for railway crossing

The utility model provides railway crossing electric fence door equipment, and particularly relates to the technical field of railway crossing fence doors, the railway crossing electric fence door equipment comprises a ground rail, a first fence door trolley and a second fence door trolley, according to the railway crossing electric fence door equipment, before a train arrives, a worker starts a remote control switch through a remote controller so as to start a motor; the first gear and the second gear are in meshed connection, so that the rotating shaft is driven to rotate, the first fence door trolley moves, the railway crossing is blocked through movement of the first fence door trolley, during installation, the number of the second fence door trolleys can be increased according to the width of the railway crossing, and when the second fence door trolleys are connected with the first fence door trolley, installation is convenient. The two fence door trolleys can be connected only by pulling the pin rod to compress the spring, inserting the butt joint block into the connecting block, loosening the pin rod, rebounding the spring and inserting one end of the pin rod into the pin hole, and therefore the two fence door trolleys can be connected, the two second fence door trolleys can be connected through the same method, and practicability is wider.
Owner:SHANGHAI FANGDENG TECHNOLOGY CO LTD

Systems and methods for remote activation of railroad crossing signals

A method for the remote activation of railroad crossing signals includes determining a physical location of a client system. The method further includes determining, from a plurality of records of railroad crossing signals, an eligible railroad crossing signal that is within a predetermined distance of the physical location of the client system. The method further includes sending identification information about the eligible railroad crossing signal to the client system. The method further includes receiving, from the client system, an indication of a user selection to activate the eligible railroad crossing signal. The method further includes sending an activation signal to the eligible railroad crossing signal in response to receiving the indication of the user selection to activate the eligible railroad crossing signal.
Owner:BNSF RAILWAY COMPANY

Railway crossing electric fence gate

The utility model discloses an electric barrier gate for a railway crossing, and belongs to the field of electric barrier gates. The electric barrier gate for the railway crossing comprises a barrier gate and further comprises a collision response component, the collision response component comprises a collision sensing plate and a response switch, the response switch comprises a base, a guide pipe, a tension spring and a travel switch, a guide rod is arranged on the collision sensing plate and penetrates through the guide pipe to be connected with the base, and the tail end of the guide rod is connected with the tension spring. The other end of the tension spring is connected with the base, and a travel switch is arranged between the base and the collision sensing plate. According to the utility model, the unattended railway crossing electric fence door is mainly improved, various functions of the electric fence door under the unattended condition are enhanced, and compared with a fence door in the prior art, the electric fence door has the functions of preventing collision and preventing pedestrians from being crushed.
Owner:WEIFANG SPECIAL STEEL GRP CO LTD

Railway crossing blocking device

The utility model discloses a railway crossing blocking device which comprises a first warning assembly, a moving assembly, a rotating assembly, a warning frame and a second warning assembly, the moving assembly is arranged in an inner cavity of the first warning assembly, the rotating assembly is arranged on the left side of the moving assembly, the warning frame is arranged on the surface of the rotating assembly, and the second warning assembly is arranged on the surface of the rotating assembly. And the second warning assembly is arranged at the top of the rotating assembly, and the moving assembly comprises a fixing block, a first motor, a sliding groove, a threaded rod, a sliding block, a connecting base and a stopping rod. The railway crossing blocking device has the advantages of being good in blocking effect and having a warning function, and solves the problems that in the prior art, a blocking device for a crossing mainly conducts blocking through a barrier gate or a fence gate, although the barrier gate is high in blocking speed, a large gap is reserved at the bottom of the barrier gate, pedestrians easily pass through the bottom of the barrier gate, and the barrier gate cannot be blocked easily. Meanwhile, the fence gate is low in blocking speed, and no warning device is arranged on the outer side of the fence gate.
Owner:CHONGQING PUBLIC TRANSPORTATION CAREER ACADEMY

Safety protection equipment for shunting operation flat aisle

The utility model discloses shunting operation flat aisle safety protection equipment which comprises a control box and a safety protection mechanism, and the safety protection mechanism is arranged on the control box. The security and protection mechanism comprises a rotating shaft, a connecting frame, a mounting groove, a first screw hole, a first bolt, a supporting plate, a sideboard, a rotating seat, a rotating rod and a ground supporting seat. The supporting plate is provided with a second screw hole, a third screw hole, a bolt groove, a second bolt and a high-strength spring. According to the scheme, a flat aisle with the width of 20-22 m is matched in a double-door mode, a herringbone supporting plate and the like are used for guaranteeing the stability of the structure, the night distinguishing degree is improved through a reflective tape, installation and adjustment are flexible, meanwhile, the linkage control module of the control box is in butt joint with a shunting operation system in a wired or wireless mode, the joint control function is achieved, and the protection problem of the wide flat aisle is effectively solved; and the safety performance and the site adaptability are enhanced.
Owner:CHINA RAILWAY SHANGHAI BUREAU GRP CO LTD CHANGZHOU STATION +2

Electronic devices and programs, etc.

To provide a technique better than before, for example, an electronic apparatus and the like suitable for detecting occurrence of an event in a movable body.SOLUTION: In an electronic apparatus 12a, an event detection unit 22a detects an event which may occur in a movable body in a situation where the brake of the movable body is operated under a condition that the brake of the movable body can be operated by an operator during the traveling of the movable body and the operation of changing an advancing direction of the movable body is impossible; and an information processing unit 18a performs processing of information about the event detected by the event detection unit 22a while distinguishing the same from information about another event.SELECTED DRAWING: Figure 3
Owner:YUPITERU CORP

Unattended train crossing early warning system

The utility model relates to the technical field of train early warning systems, in particular to an unmanned train crossing early warning system which comprises a train track, the train track is defined to extend in the left-right direction, and the front side and the rear side of the train track are each provided with two retaining walls extending front and back. Telescopic fences extending leftwards and rightwards are arranged on the front side and the rear side of the train track and located between the two retaining walls; position sensors are arranged at the left end and the right end of the train track so as to control the telescopic fence to seal the channel when a train approaches. Laser lamps are further arranged on the front side and the rear side of the train track, and grating sensors are arranged on the laser lamps on one side of the train track; by arranging the telescopic columns on the front side and the rear side of the train track, the possibility that pedestrians and vehicles enter the train track when a train approaches is eliminated, the running safety of the train is improved, opening and closing of the telescopic columns can be automatically controlled through the train due to the arrangement of the position sensors, automatic running of equipment is achieved, and the convenience of equipment operation is improved.
Owner:XINXING DUCTILE IRON PIPES CO LTD

Grade crossing control system and method for determining track circuit impedance

A grade crossing control system includes a track transmitter (210) configured to couple to rails of a railroad track (120), and a track receiver (250) configured to couple to the rails of the railroad track (120), wherein the track transmitter (210) comprises a signal source (220) and an amplifier (230), and is configured to transmit a first signal to the rails, wherein the track receiver (250) is configured to measure a second signal in response to the first signal, and wherein the track transmitter (210) is configured to provide feedback measurement information of the first signal.
Owner:SIEMENS MOBILITY INC

Method for securing a level crossing

The invention relates to a method for securing a level crossing (10), which method permits timely securing of the level crossing (10) and also is particularly effective and reliable. For this purpose, according to the invention, the method proceeds in such a way that vehicle data are received from a track-bound vehicle (20) approaching the level crossing (10) by a stationary control device (30) of a train control system, which vehicle data comprise at least the current position and the current speed of the track-bound vehicle (20), a switch-on point is determined on the basis of the received vehicle data and route data comprising at least the location of the level crossing (10), and securing of the level crossing (10) is triggered when the switch-on point is reached. The invention further relates to a stationary control device (30) for a train control system and to an arrangement (100, 110) having such a stationary control device (30).
Owner:SIEMENS MOBILITY GMBH

AGV and rail flat car interactive passing device and method based on intelligent sensing

The invention belongs to the technical field of large discrete equipment manufacturing workshops, and particularly relates to an AGV and steel rail flat car interactive passing method based on intelligent sensing. The device comprises a WMS system, a WCS system, a flatcar track, an AGV channel, a flatcar running on the flatcar track and an AGV running on the AGV channel. The flatcar track and the AGV channel intersect with each other. RFID chips are installed on the head and parking spaces of the flatcar, two RFID code reading devices arranged on the two sides of an AGV channel are additionally installed beside a flatcar track, the RFID code reading devices and the WCS are in communication connection with the WMS, and the WCS is in communication connection with the AGV. A signal prompting lamp is installed beside the flatcar track, a passing device is installed in the section, intersecting with the AGV channel, of the flatcar track, a pressure sensor is installed on the passing device, and the pressure sensor is in communication connection with the signal prompting lamp. The invention provides an AGV and steel rail flat car interactive passing device and method based on intelligent sensing, and solves the problems that an AGV in a discrete manufacturing workshop is difficult to pass through a flat car track and the safety risk is large.
Owner:DONGFANG TURBINE CO LTD

Intelligent Railroad At-Grade Crossings

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for monitoring vehicles traversing a dedicated roadway that includes an at-grade crossing. In some implementations, a system includes a central server, a gate system, and sensors. The gate system provides access to an at-grade crossing for vehicles. The sensors are positioned in a fixed location relative to a roadway, the roadway including the at-grade crossing. Each sensor can detect vehicles on the roadway. For each vehicle, each sensor can generate sensor data and observational data from the generated sensor data. Each sensor can determine a likelihood that the detected vehicle will approach the at-grade crossing by comparing the likelihood to a threshold. In response, each sensor can transmit data to the gate system that causes the gate system to allow the autonomous vehicle access to the at-grade crossing prior to the autonomous vehicle reaching the gate system.
Owner:CAVNUE TECH LLC

Intelligent railroad at-grade crossings

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for monitoring vehicles traversing a dedicated roadway that includes an at-grade crossing. In some implementations, a system includes a central server, a gate system, and sensors. The gate system provides access to an at-grade crossing for vehicles. The sensors are positioned in a fixed location relative to a roadway, the roadway including the at-grade crossing. Each sensor can detect vehicles on the roadway. For each vehicle, each sensor can generate sensor data and observational data from the generated sensor data. Each sensor can determine a likelihood that the detected vehicle will approach the at-grade crossing by comparing the likelihood to a threshold. In response, each sensor can transmit data to the gate system that causes the gate system to allow the autonomous vehicle access to the at-grade crossing prior to the autonomous vehicle reaching the gate system.
Owner:CAVNUE TECH LLC

Dynamic access and egress of railroad right of way

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for allowing vehicles access or egress from a dedicated roadway. In some implementations, a system includes a server, an interface, and sensors. The interface receives data from a railroad system that manages a railroad running parallel to a first roadway. The sensors are positioned in a location relative to the first and second roadway. Each sensor can detect vehicles on the second roadway. For each detected vehicle, each sensor can generate first sensor data based on the detected vehicle and the data received at the interface. Second sensor data can be generated based on activities on the first roadway. Observational data can be generated based on the first and second sensor data. An instruction can be determined to allow the detected vehicle access to the first roadway. The instruction can be transmitted to the detected vehicle.
Owner:CAVNUE TECH LLC

Railroad crossing gate lamp system

The present disclosure provides a new gate lamp system and method. The system and method is configured to facilitate the installation of a gate lamp onto a gate arm, and to facilitate the replacement of one or more of the gate lamps. The present disclosure provides a system and method of installing gate lamps on a gate arm in the field in a robust manner with case.
Owner:RAILWAY EQUIP CO INC

Information processing method

To provide an information processing method capable of inhibiting time from being taken to grasp a stop factor of a train.SOLUTION: An information processing method is a method to be executed by an information processing system 1 including a vehicle 10 provided with an imaging unit 11, and a communication unit, and a server device 20. The information processing method includes: requesting the server device 20 to provide a peripheral image to the vehicle 10 located within an information collection area including a stop position of the train when the train moving on a track stops between stations; and making the communication unit of the vehicle 10 located within the information collection area transmit to the server device 20 a stop factor image being a peripheral image including at least one of the train stopping at the stop position or the track around the train.SELECTED DRAWING: Figure 2
Owner:TOYOTA JIDOSHA KK +1

An automatically controlled railway crossing gate

The present application relates to railway crossing management technical field, specifically to an automatic control railway crossing gate, including casing, rotating seat, first gate lever and second gate lever. The rotating seat is rotatably installed on the casing. The first gate lever is installed on the rotating seat and can rotate with the rotating seat. The second gate lever and the first gate lever are connected through a transmission member, the transmission member enables the second gate lever to rotate synchronously with the first gate lever, and the second gate lever can rotate relative to the first gate lever. The automatic control railway crossing gate utilizes the relative rotation of the first gate lever and the second gate lever, disperses the inertia impact force at the moment of rotating the first gate lever to drive the second gate lever to rotate, and utilizes the compressibility of gas to absorb part of the impact force, converts the instantaneous rigid impact into flexible buffering, reduces the stress borne by the connecting part of the rotating seat and the first gate lever, and prolongs the service life of the gate.
Owner:SHENYANG DEKE RUITONG MASCH CO LTD

Railway external environment safety monitoring and early warning device

This patent discloses a railway external environment safety monitoring and early warning device, including a lifting mechanism. A stop bar is fixedly installed at the flipping end of the lifting mechanism. The stop bar is hollow inside. A laser ranging sensor is fixedly installed at the front end of the outer wall of the stop bar, and an audible and visual alarm is fixedly installed at the top of the outer wall of the stop bar. The wiring of the laser ranging sensor and the audible and visual alarm is located inside the stop bar. This patent, through the combination of laser ranging sensor, microcontroller, and audible and visual alarm, can detect the distance between the stop bar and surrounding targets in real time. When the distance is less than a preset safety threshold (i.e., the target enters the danger zone), the microcontroller immediately triggers the audible and visual alarm, actively reminding pedestrians and vehicles to stay away through sound and light. This upgrades from "passive obstruction" to "active early warning," solving the core safety loophole of "no warning when approaching a danger zone."
Owner:NANJING RAILWAY COMP ENG +1

Device and method for responding to loss-of-brake on a railroad crossing gate mechanism

A crossing gate mechanism (200) includes an electric brushless direct current (BLDC) motor (214) with a sensing device (302), a crossing gate arm (132, 142) operated via the BLDC motor (214), a motor brake coupled to the BLDC motor (214), wherein the motor brake is configured to hold the crossing gate arm (132, 142) in a position, and a controller (300) configured to control the BLDC motor (214), wherein the controller (300) is configured to control the BLDC motor (214) to raise or lower the crossing gate arm (132, 142) in response to a gate control signal, and wherein, when the motor brake fails to hold the crossing gate arm (132, 142) in the position, the controller (300) is configured to control the BLDC motor (214) to hold the crossing gate arm (132, 142) in the position instead of the motor brake.
Owner:SIEMENS MOBILITY INC