36 results about "Train driver" patented technology

The invention discloses a driver state monitoring method, system and device based on machine vision and a medium. The method comprises the steps that displacement time sequence data of a brake pedal, rotation angle time sequence data of a steering wheel and image time sequence data of a road in front of a vehicle are obtained; extracting emergency braking time sequence characteristics of a brake pedal according to the displacement time sequence data, extracting emergency steering time sequence characteristics of a steering wheel according to the turning angle time sequence data, and extracting direction time sequence characteristics of an obstacle in front of the vehicle according to the road image time sequence data; inputting the emergency braking time sequence characteristics, the emergency steering time sequence characteristics and the obstacle orientation time sequence characteristics into a pre-trained driver state recognition model to obtain a current driver state; and early warning the driver according to the current driver state. The method improves the accuracy and timeliness of driver state monitoring, also improves the driving safety, and can be applied to the technical field of vehicle monitoring.

The utility model discloses a kind of relay strong suction tool, including fixed plate, mobile plate being set on the fixed plate and moving on fixed plate, the lower end of the fixed plate is equipped with pressure head, the shell cooperation of relay is equipped with on the one side of the fixed plate, the shell cooperation of relay is equipped with positioning mechanism on the both sides of mobile plate.Working, fixed plate is placed in the recess of relay, pressure head is contacted with the manual operation button in recess, and manual operation button is pressed down, mobile plate one end is deeply into the clearance of the lower end of the shell of the recess one end on relay, and fixed plate both ends are positioned by positioning mechanism, to ensure the pressing of manual operation button, make the armature action of relay, let contactor attract. It is convenient for train driver to carry, to carry out operation quickly and accurately, avoid artificial operation relay contactor to carry out strong suction operation to relay, improve work efficiency while ensuring safety.

The application discloses a long-distance rail recognition and obstacle detection method and system, a long-focus optical system is combined with a super-high-speed industrial camera on a hardware level to build a high-frame-rate and long-distance optical detection system, a region of interest for obstacle detection is demarcated by recognizing and visually segmenting left and right rail lines on a software level, and a target detection-based track obstacle intrusion detection algorithm and other advanced visual tasks are executed, and finally high-frame-rate recognition and detection of long-distance rails and track obstacles are realized. The Schmidt-Cassegrain optical system with a focal length of 2000mm is combined with a super-high-speed industrial camera with a resolution of 1920*1080 and 3000 frames per second to build a long-distance high-frame-rate optical detection platform and erect on a driving position of a train, railway conditions within a range of 6km are detected in real time, and serious accidents caused by a too long braking distance of the train due to high-speed driving can be prevented. Compared with traditional train driver eye observation and laser radar scanning imaging modes, a long-distance optical observation platform and a rear-end real-time detection system can realize a longer detection distance, better detection and recognition robustness and a higher frame rate.

This invention discloses a method, system, and medium for constructing a facial fatigue dataset suitable for train drivers, relating to the field of data processing. The method includes acquiring multi-dimensional data of a subject performing an AX-CPT psychological paradigm task, including the subject's facial data, heart rate data, reaction time of the AX-CPT task, and accuracy of the AX-CPT task. The subject's fatigue state is labeled using the heart rate data, reaction time, and accuracy of the AX-CPT task. A facial fatigue dataset is constructed based on the labeled facial data and corresponding fatigue state labels. By performing the AX-CPT psychological paradigm task, an accurate facial fatigue dataset suitable for the working characteristics of train drivers can be obtained, thus laying the foundation for accurate detection of fatigue states in actual working scenarios for train drivers.

To provide new technology to protect train drivers during collisions. [Solution] The driver's seat 10 of the railway vehicle is equipped with a turning mechanism (e.g., a rotating support mechanism 30) that can change the orientation of the front of the seat from a normal state to an emergency state which is the opposite direction to the normal state, and a deployment part (e.g., a lateral extension frame 27, a coil spring 28, a lateral extension stopper 70) that holds an auxiliary device (e.g., a footrest 80) for reducing injury to the driver 2 in the event of a collision in an unnecessary state in the normal state and deploys in conjunction with the turning mechanism to change to the emergency state.

The utility model relates to the technical field of subways, and discloses a subway platform gap safety confirmation auxiliary device which comprises a base, the top of the base is connected with a supporting seat in a sliding mode, the top of the supporting seat is fixedly connected with a metal frame, and the interior of the metal frame is connected with a platform door in a sliding mode. An operation control box is fixedly connected to one side of the outer portion of the metal frame, a nixie tube display screen is fixedly connected to the upper portion of the outer portion of the operation control box, a control assembly is arranged at the position, close to the middle, of the outer portion of the operation control box, and an acousto-optic buzzer is fixedly connected to the position, close to the lower portion, of the outer portion of the operation control box. According to the utility model, the safety confirmation function and the alarm prompt function of the gap between the train door and the platform door can be realized, the confirmation capability of a train driver on the gap between the train door and the platform door is enhanced, the operation of the driver is more effectively supervised and reminded, and the safety and the reliability of the door opening and closing operation are ensured.

This invention discloses a testing system for a rail transit train driver control unit, relating to the field of controller testing, aiming to solve the problems of incomplete functional coverage, low accuracy, and low efficiency in existing systems. The system includes logic interaction, interaction index, type parsing, fault parsing, and level analysis modules, and can also include virtual parsing and level correction modules. The logic interaction module handles command response and feedback reception; the interaction index module retrieves commands through a comprehensive index; the type parsing module identifies the driver control unit type; the fault parsing module diagnoses faults; and the level analysis module detects level deviations. The virtual parsing module simulates test scenarios, and the level correction module optimizes driver control unit damping. The system comprehensively covers key indicators such as contact resistance, logic, and level voltage, improving testing accuracy and efficiency to meet the testing needs of modern rail transit.

1. Name of the designed product: seat (train driver). 2. Use of the designed product: for train driver to sit. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

The application relates to a driver driving state judgment analysis method and a judgment device, and belongs to the technical field of train driver driving state judgment. Through orderly cooperation between various devices, the action frequency detection device is set as a normally open device, the starting cost of which is extremely low, and the operation cost of traditional video image recognition is greatly reduced. Moreover, the action frequency detection device is used as the first-stage detection judgment, the seat stress detection device is used as the second-stage detection judgment, the face information recognition device is used as the third-stage detection judgment, and the eye opening degree recognition device is used as the fourth-stage detection judgment. Through the four-stage detection judgment, the judgment accuracy of driver fatigue driving can be further improved. Moreover, the various devices are cooperatively and orderly operated, are not all normally open, and cannot cause the devices to collect too much invalid data.

1. The name of the design product: vehicle-ground interconnection wireless communication system signal repeater. 2. The use of the design product: used in the vehicle-ground interconnection wireless communication system, the relay and amplification of the wireless signal sent by the subway platform personnel to the train driver. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This application discloses a method, device, medium, and product for train driver speech recognition, relating to the fields of deep learning and speech recognition technology. The method includes acquiring the train driver's speech information; performing denoising, preprocessing, and fast Fourier transform on the speech information to obtain first spectral features; inputting the first spectral features into a proprietary vocabulary recognition model to obtain a proprietary vocabulary recognition result; inputting the first spectral features into a general vocabulary recognition model to obtain a general vocabulary recognition result; and fusing the proprietary and general vocabulary recognition results to obtain the train driver's speech recognition result. By fusing the recognition results of the proprietary and general vocabulary recognition models, the train driver's speech recognition result is obtained. This fusion process effectively compensates for the limitations of the general model in railway field recognition, thereby improving the accuracy of train driver speech recognition.

The invention relates to the technical field of tourism management, in particular to a rail type aged sightseeing tourism management method and system. Firstly, high-angle images in a carriage are collected in real time through a camera to obtain a high-angle image sequence arranged according to the sequence of shooting moments, and the high-angle image sequence is sent to a server; the server also obtains the foot pressure values of the users collected by the pressure sensors in real time, and performs image recognition on the high-angle images to determine the head contour area values of the users in different high-angle images; the change of the head contour area value can reflect the actual body posture change condition of the user in the carriage, and the pressure borne by the feet when the user sits down is smaller than the pressure borne by the feet when the user stands, so that the server can judge whether the user is in a getting-up state currently based on the head contour area value, the foot pressure value and the high-angle image; when the user is in the getting-up state, reminding information is generated to remind a train driver to stop accelerating or decelerating.

The invention discloses a train driver attention degeneration multi-scale prediction system based on electroencephalogram signals, and relates to the technical field of intelligent driving safety monitoring, during system operation, a deep learning model LiteFormer-BR based on original multichannel electroencephalogram signals is included, the model adopts a light CNN-Transform backbone network to extract spatial-temporal characteristics, and the spatial-temporal characteristics are extracted through a deep learning model LiteFormer-BR based on the original multichannel electroencephalogram signals; and receiving a fixed-length feature vector output by the lightweight mixed CNN-Transformer backbone network, predicting continuous attention scores corresponding to K preset key time points in the future at the same time through the probability regression prediction head based on Beta distribution, and outputting a multi-scale attention prediction result. Therefore, multi-time-scale prediction of the attention degeneration state of the train driver is realized. According to the application, prospective and multi-scale early warning from a second level to a minute level (0s to 30min) can be realized, so that the system credibility and the engineering practicability are improved.

1. Name of this design: Train simulator cabin (Type D). 2. Purpose of this design: For the training of train drivers. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention provides a train driver behavior state detection method and system based on a neural network model, and the method specifically comprises the steps: S1, collecting a driver image sequence, an operation sequence, a train operation sequence, signal display information and line attributes, and forming a behavior sequence, an operation sequence and an environment sequence; s2, constructing a graph structure of a driver, a train, a signal, a line and an equipment node, and setting a control, sensing, power and feedback relation edge; s3, a graph neural differential equation is constructed, node states are generated by short-time action branches and long-time trend branches, events trigger continuous time advance, and edge weights are adjusted along with working conditions; s4, forming a self-adaptive Koopman operator by using the basic Koopman operator group and the weight of the risk factor; s5, generating a driver state trend, a train state trend and a danger trend score in linear extrapolation; and S6, outputting the driver behavior level, the operation risk level and the joint risk index. According to the method, the reliability of risk prediction is improved through combined modeling of driver behaviors, train operation and environment constraints.

The utility model provides a protective warning vertical board for a small-area skylight. The protective warning vertical board for the small-area skylight comprises a fixing piece, a supporting assembly and a fixing assembly, the top of the fixing piece is fixedly connected with a warning board, the supporting assembly comprises outer supports, the outer supports are hinged to the bottom of the fixing piece, and the four sets of outer supports are distributed in the circumferential direction of the fixing piece; inner supports are slidably connected into the outer support, the two fixing assemblies comprise limiting pieces, the two limiting pieces are hinged to the bottoms of the inner supports on the left side and the right side correspondingly, and fixing clamping blocks are fixedly connected to the surfaces of one side walls of the limiting pieces. The protective warning vertical board for the small-area skylight has the advantages that workers and train drivers can be conveniently warned, and the protective warning vertical board can be conveniently and stably installed on a railway steel rail.

The utility model discloses a train tail air pipe air pressure monitoring system, including the train tail air pipe air pressure measuring device and train driver's room monitoring device of mutual connection, train tail air pipe air pressure measuring device mainly comprises CPU module and the LoRa module, 4G LTE module, big dipper and GPS module, diffusion silicon fluid pressure sensor, walkie -talkie module, NFC near field communication module, big dipper short message module, power module that it connects, train driver's room monitoring device mainly comprises CPU module and the LoRa module, 4G LTE module, big dipper and GPS module, display, walkie -talkie module, NFC near field communication module, big dipper short message module, power module that it connects. Compared with prior art, the utility model has the characteristics of reasonable in design, reliable in performance, excellent in effect, and the communication reliability optimization, data synchronization and check ability promotion, hardware and system stability improvement, security and maintenance efficiency upgrading.

The present invention relates to a railway vehicle signal transmission system using a PWM encoder, in which an analog signal generated from a master controller is converted into a PWM signal and transmitted to a vehicle control device and a monitoring system, so that a driver's master controller operation signal can be accurately transmitted, and in a case of occurrence of an abnormal signal, a signal failure, or the like, rapid recognition and response are possible. The railway vehicle signal transmission system comprises: the master controller which is installed in a cab of a railway vehicle, and outputs a corresponding analog command signal when a train driver operates a running controller and a reverser; the PWM encoder which receives the analog command signal, converts the received analog command signal into a PWM signal, and transmits the PWM signal to a subsequent stage; and the vehicle control device which receives the PWM signal from the PWM encoder and controls propulsion or braking of the vehicle.

1. Name of the product in this design: Integrated scheduling graphical user interface for electronic devices. 2. Purpose of this design: An electronic device. 3. The key design feature of this product is its graphical user interface. 4. The picture or photo that best illustrates the key design points: Design 1 main view. 5. Design 1 is designated as the basic design. 6. Purpose of the graphical user interface: Used in dispatch communication systems to display communication and operation information with train drivers and station users. 7. The area of ​​the graphical user interface in the product: within the screen of the electronic device. 8. Human-computer interaction methods in graphical user interfaces: touch and click. 9. Description of the changing states of the graphical user interface: Design 1's main view is the dispatch console station interface displaying station information; clicking the locomotive interface button in the main view of Design 1 jumps to the changing state diagram 1 of Design 1, displaying the dispatch console locomotive interface, where registered locomotive user information can be viewed; clicking the dial button in the changing state diagram 1 of Design 1 jumps to the changing state diagram 2 of Design 1, displaying the dial pad interface; Design 2's main view is the dispatch console station interface displaying station information; when the dispatch console is communicating with a locomotive at station number one, the main view of Design 2 changes to the interface of the changing state diagram of Design 2, showing the user's key presses and the assigned station turning green during the call; Design 3's main view is the duty console station interface displaying duty console information; clicking the locomotive interface button in the main view of Design 3 jumps to the changing state diagram of Design 3, displaying the duty console locomotive interface, where registered locomotive users within the current station, the upstream station, and the downstream station can be viewed. Information; Design 4 main view is the station interface of the duty station displaying duty station information; when the duty station communicates with the dispatcher, the design 4 main view changes to the interface of the design 4 change state diagram, showing that the direct call key turns green during the call; Design 5 main view is the station interface of the duty station displaying duty station information; when locomotive users in the station communicate with the dispatcher or other station duty stations, the design 5 main view changes to the interface of the design 5 change state diagram, showing the occupancy status of locomotive users in this station; Design 6 main view is the station interface of the duty station displaying duty station information; when the station duty officer communicates with locomotive users in this station, the design 6 main view changes to the interface of the design 6 change state diagram, showing that the user key turns green; Design 7 main view is the station interface of the duty station displaying duty station information; clicking the dial key in the design 7 main view jumps to the design 7 change state diagram, displaying the dial pad interface. 10. Other situations requiring explanation: The product carriers of Designs 1 to 7 are conventional designs, and the rear view, left view, right view, top view, and bottom view of Designs 1 to 7 are omitted.

To provide a technique for estimating an effect of measures against sleepiness for a railroad driver.SOLUTION: A machine learning model 1 is generated on the basis of training data having, as explanatory variables, 1) whether or not to perform the pointing call, 2) whether or not to repeat from the system, 3) whether or not to pay attention to a matter noticed during driving, and 4) an elapsed time, and 5) whether or not the train is stopped at a station, regarding driving of a railroad driver. Further, the drowsiness index value is estimated by inputting each explanatory variable to the generated machine learning model 1.SELECTED DRAWING: Figure 1

This invention discloses a method, system, and apparatus for detecting fatigue driving by train drivers en route, relating to the field of fatigue driving detection technology. The method includes: inputting a facial image of a candidate driver into a fatigue driving detection model to obtain the driver's fatigue state; the fatigue driving detection model is obtained by training a preset facial static and dynamic fatigue feature network using a first training sample set; the preset facial static and dynamic fatigue feature network includes a teacher network and a student network; the teacher network includes a pre-trained first ResNet-18 network, a pre-trained FlowNetS network, an attention feature fusion network, and a first LSTM network; the student network includes a second ResNet-18 network and a second LSTM network connected sequentially. This invention ensures the real-time performance of train driver fatigue driving detection en route and improves detection accuracy.

The application relates to a data processing method and device for a train cab, computer equipment and a storage medium, the method comprising the following steps: receiving target vehicle data to be processed; determining a target display screen identifier and target image data corresponding to the target vehicle data according to the target vehicle data; determining a target communication channel corresponding to the target display screen identifier; and transmitting the target image data to a target display screen corresponding to the target display screen identifier through the target communication channel, so that the target display screen displays the target image data. The application realizes decoupling between control logic and display driving, can determine whether a fault occurs in the control logic or the display driving when the fault occurs, and improves maintenance efficiency.

1. The name of the design product: portable fatigue intelligent recognition device for train driver. 2. The use of the design product: for real-time monitoring of fatigue and dozing state of train driver during operation, and realizing one-way video intercom of train-ground two-way audio. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The application relates to the technical field of intelligent driving, for example, to a control method and device for automatic driving takeover, an automatic driving system, a vehicle and a readable storage medium. The control method comprises the following steps: in the process of automatic driving, when the automatic driving system sends a driving takeover request, obtaining running state data at the current time and a historical running state data sequence in a preset time window; inputting the vehicle running state data and the historical running state data sequence into a pre-trained driver takeover capability judgment model to output a prediction result; if the prediction result is that the vehicle can be safely taken over, then the driver takes over the vehicle; if the prediction result is that the vehicle cannot be safely taken over, then a safety driving system takes over the vehicle. The present application predicts the takeover capability by using the driver takeover capability judgment model, and triggers the safety driving system to start a safety control vehicle strategy based on the prediction result that the vehicle cannot be safely taken over, thereby reducing the accident rate.

1. Name of the product in this design: High-speed train driver's console (Type 450). 2. Purpose of this design: For use in the control of the 450 series high-speed train. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention relates to a method for monitoring a train driver (TFF) of a rail vehicle (SFZ). A camera (4) in the driver's cab (FST) of the rail vehicle (SFZ) captures both the activity and posture of the train driver (TFF). Images from the camera (4) are transmitted to an evaluation system (ITDM) and continuously analyzed there. Based on the images, the evaluation system (ITDM) determines a specific posture and / or activity of the train driver (TFF) and compares it with the current operating state of the rail vehicle (SFZ) to detect any discrepancies. Upon detection of a discrepancy, a predetermined action is initiated on the rail vehicle.

An integrated intelligent cab system for a train driver. The system comprises: a train auxiliary management system, which acquires train driver-side information; a train operation control system, which acquires train operation-side information; and a central control system, which is separately connected to the train auxiliary management system and the train operation control system to achieve data interaction thereamong. The central control system generates a train operation instruction on the basis of the train operation-side information and train driver-side information, and sends same to the train operation control system. The train operation control system controls the train operation on the basis of the train operation instruction. The train auxiliary management system, the train operation control system and the central control system adjust their own operations on the basis of data from one another and their own data. The present invention has advantages of improving the level of intelligence and informatization of train operation.

The invention discloses an earthquake information broadcasting method and system based on locomotive integrated wireless communication equipment, which are corresponding schemes, and in the scheme, full-process automatic transmission of earthquake information is realized by constructing a full-automatic information flow of earthquake information, a CTC system, a GRIS server, a GSM-R network, vehicle-mounted CIR equipment and earthquake information text display, so that the earthquake information can be broadcasted in real time. The emergency response capability of a railway system to earthquake disasters can be greatly improved through full-automatic information flow; after earthquake information is monitored by the post-earthquake stopping system, the earthquake information is accurately and timely transmitted to the vehicle-mounted CIR equipment through the CTC system via the GRIS server, and the whole process does not need manual intervention, so that the information transmission time is greatly shortened, and the emergency response speed is improved; moreover, a train driver can obtain the earthquake information in the first time and take safety measures such as braking or speed limiting in time according to an instruction, so that the accident risk of the train in an earthquake is effectively reduced, and the running safety of the train is guaranteed.

The utility model relates to the field of train auxiliary devices, in particular to an auxiliary device for indicating the door opening direction of a train door. The device comprises a placing rack, an alarm assembly, a trigger assembly, a limiting assembly and a central controller. The alarm assembly comprises a bracket and a voice alarm which are arranged on the placement frame, a first conductive joint arranged on the bracket and an electric wire of which the two ends are electrically connected with the first conductive joint and the voice alarm respectively; the trigger assembly comprises a fixed plate arranged on the placing frame, an abutting rod vertically arranged on the fixed plate in a sliding manner, a lifting plate arranged on the abutting rod, a first spring of which the two ends are connected with the fixed plate and the lifting plate respectively, and a sliding rod vertically arranged on the lifting plate and connected with the fixed plate in a sliding manner; the second conductive joint is arranged at the bottom of the lifting plate; and the battery is electrically connected with the second conductive joint. The device is simple in structure, easy to popularize and capable of indicating a train driver to open the train door on the correct side, and safety accidents caused by the fact that the train door is opened by mistake are avoided.

The utility model discloses a train driver driving behavior monitoring device which comprises a base, a shell is placed on the top of the base, a mounting groove is formed in one side of the shell, a two-way threaded rod is rotatably mounted on one side of the base, a moving block is arranged on the surface of the two-way threaded rod in a threaded and sleeved mode, and the two-way threaded rod is connected with the mounting groove. A first moving plate is fixedly mounted at the top of the moving block, a mounting column is fixedly mounted on one side of the first moving plate, a slot is formed in the surface of the bidirectional threaded rod, and a barrel is fixedly mounted on one side of the base. The shell is placed at the top of the base, the two sets of mounting columns are driven to be inserted into the inner walls of the mounting grooves by rotating the two-way threaded rod, the shell can be limited and mounted, the shell and the camera can be mounted, and the two-way threaded rod can be prevented from rotating by driving the insertion columns to be inserted into the inner walls of the insertion grooves through the reset mechanism. The purpose of conveniently and rapidly mounting and dismounting the shell and the camera is achieved, and subsequent maintenance and repair are facilitated.