Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

51results about How to "Reduce traffic safety accidents" patented technology

CBD (central business district) signalized intersection pedestrian crossing traffic behavior supervision system

The invention discloses a CBD (central business district) signalized intersection pedestrian crossing traffic behavior supervision system. The system disclosed by the invention starts from the red light running psychology of pedestrians, aims to ensure the pedestrian crossing safety, adopts a thought of combining facility guidance and regulation breaking punishment, and develops the CBD signalized intersection pedestrian crossing traffic behavior supervision system which is formed by an intersection pedestrian supervision monitoring device and a background control center monitoring management platform. The system integrates supervision, detection, evidence collection, alarming, statistics and face recognition, realizes functions of signalized intersection pedestrian red light running supervision, regulation breaking record statistics, system equipment maintenance, real-time monitoring management and the like, and can provide partial basic data for improving and designing an intersection. A more importance value lies in that the system carries out supervision and persuasion on pedestrian behaviors, evidence collection can be performed effectively, and punishment is carried out by being matched with relevant laws, thereby being capable of gradually reducing red light running behaviors of the pedestrians, significantly improving the traffic order of a CBD signalized intersection, and reducing occurrence of traffic safety accidents.
Owner:成都交大大数据科技有限公司

Velocity-limiting mark recognizing and vehicle-velocity control method and system based on vehicle traveling recording instrument

The invention discloses a velocity-limiting mark recognizing and vehicle-velocity control method and system based on a vehicle traveling recording instrument. The method includes the steps that the vehicle traveling recording instrument collects an image through a camera in real time and carries out intensification and de-noising processing on the image; the processed image is compared with a pre-stored database template with a road velocity-limiting mark to judge whether the velocity-limiting mark exists in the image or not, and if the velocity-limiting mark exists in the image, the velocity-limiting mark is recognized to obtain the velocity-limiting velocity; the current vehicle velocity is adjusted according to the obtained velocity-limiting velocity. According to the velocity-limiting mark recognizing and vehicle-velocity control method and system, the vehicle-traveling velocity-limiting mark exists in a current road section is automatically recognized through the vehicle traveling recording instrument of a vehicle, a control command is output according to the recognition result, and the vehicle velocity is automatically controlled; meanwhile, a driver learns the velocity-limiting information of a road in real time, the driving safety of the driver is improved, and unnecessary traffic accidents are reduced.
Owner:GUANGDONG COAGENT ELECTRONICS SCI & TECH

High-precision radar velocity measuring system and velocity measuring method

The invention discloses a high-precision radar velocity measuring system and velocity measuring method. The high-precision radar velocity measuring system includes a 24.15G continuous wave radar antenna; a back-end digital signal processing unit includes a signal conditioning circuit, a main controller, a 5V to 3.3V circuit, RS485 serial communication, RS232 serial communication and a 5V power supply; the 24.15G continuous wave radar antenna continuously transmits 24.15G sine wave signals and processes feedback signals to obtain a Doppler frequency difference; the signals enter into the signal conditioning circuit in the back-end digital signal processing unit for filtering and amplification processing, and the filtered and amplified signals are sent into an ADC port of the main controller; the main controller conducts Fourier transform of the signals into speed and direction of movement information of a vehicle, and triggers a camera to take photos if the vehicle drives over the speed limit. The invention is high in load capacity and reliable in operation; and has a high test precision and achieves real-time camera capture of violation vehicle license plate, and a host computer is capable of real-time monitoring, and plays an important role in reduction of the occurrence of traffic accidents.
Owner:HEFEI NORMAL UNIV

Non-onsite law enforcement management system used for vehicle overloading

The invention discloses a non-onsite law enforcement management system used for law enforcement. The system comprises a vehicle weight limit acquisition module, a weighing module and a data processingmodule, the vehicle weight limit acquisition module is used for recognizing the quantity of transmission shafts at each position of a vehicle and searching corresponding vehicle weight limits according to the quantity of transmission shafts at each position, the weighing module is used for obtaining the driving weight of the vehicle, when a wheel gravity is acted on the weighing module, charges are generated in the weighing module, the driving weight of the vehicle is calculated through the charges, the data processing module is used for connecting and processing data transmitted by the vehicle weight limit acquisition module and the weighing module, and when the weight limit of the vehicle is lower than the driving weight, it is determined that the vehicle is overloaded. According to themethod, whether the current vehicle is overloaded can be accurately determined, and in the non-onsite law enforcement management condition, the law enforcement efficiency of staff can be improved, and traffic security accidents are effectively reduced.
Owner:深圳市富源信息技术有限公司

Fatigue driving state recognition prewarning system and method

The invention discloses a fatigue driving state recognition prewarning system which comprises a central processing unit, a vehicle state sensor, a loudspeaker, an intelligent bracelet, intelligent glasses and a displayer. The vehicle state sensor, the loudspeaker and the displayer are connected with the central processing unit through cables, the central processing unit is used for acquiring processing information indicating whether a driver is in a fatigue state currently or not according to collected driver vehicle running parameters, physiological signals and eye movement features, the vehicle state sensor, the intelligent bracelet and the intelligent glasses are used for transmitting collected information to the central processing unit, and the loudspeaker and the displayer are used for broadcasting and displaying real-time information. The invention further discloses a fatigue driving state recognition prewarning method. Through detection and recognition of fatigue state of the driver and real-time feedback of fatigue degree, convenience is brought to the driver to timely take measures, so that scientific and reasonable prewarning is provided to the driver, traffic accidents caused by fatigue driving are reduced, and traveling reliability of the driver is improved.
Owner:SOUTH CHINA UNIV OF TECH

Highway transport vehicle unbalance-loading detecting device

The invention relates to a highway transport vehicle unbalance-loading detecting device, comprising a semiconductor laser (7), a photo-potential sensitive sensor (6) and a reflecting mirror (4); the semiconductor laser (7), the photo-potential sensitive sensor (6) and the reflecting mirror (4) are respectively arranged at the outer side of steel plate springs (1) at the two sides of an axle; wherein, the semiconductor laser (7) and the photo-potential sensitive sensor (6) are fixed at the outer side of the middle part of the steel plate springs (1) side by side, and the reflecting mirror (4) is fixed at the same side near the end parts of the steel plate springs (1); the mirror surface of the reflecting mirror (4) is right opposite to the photo surface of the photo-potential sensitive sensor (6), laser ray transmitted by the semiconductor laser (7) and reflected by the reflecting mirror is coincided with the center of the photo surface of the photo-potential sensitive sensor when the vehicle is in idle load; when the vehicle is in full load, the reflection ray falls in the photo surface of the photo-potential sensitive sensor (6). The device has simple structure, and can accurately judge the unbalance loading of the operating vehicles, thus providing necessary guarantee for safety operation of the highway transport vehicles.
Owner:JILIN UNIV

Tail safety brake device of motor vehicle

The invention discloses a tail safety brake device of a motor vehicle, which is installed at the tail part of the motor vehicle. The device comprises a support (3) and a pressure rod (7), wherein the support (7) is fixed at a tail bottom plate (6) or on a tail base frame; one end of the pressure rod (7) is moveably connected with the support and the other end of the pressure rod (7) is moveably connected with a brake plate (8); the brake plate comprises a support plate (9) and a wear-resistance plate (12) moveably fixed on the support plate; the pressure rod is moveably connected with an ejector rod (5) which makes the brake plate suspended when the motor vehicle runs normally and makes the wear-resistance plate on the brake plate tightly adhered to the pavement when the motor vehicle performs emergency brake; and the ejector rod is connected with a power unit. When the motor vehicle performs emergency brake during high-speed running, the friction force between the motor vehicle and the pavement can be increased, so that the brake capability is improved and the brake distance is shortened; and the emergency brake is realized in a relatively short distance which can be effectively controlled as far as possible, so various traffic accidents are reduced. The novel tail auxiliary safety brake device of the motor vehicle is compactly structured, reliable and safe to use and convenient to dismantle.
Owner:刘成祥

Pedestrian crossing control system

The invention discloses a pedestrian crossing control system which comprises an indication component, a gate closing and opening component, an information processing component, a monitoring componentand an information feedback component. The indication component comprises a traffic light electrically connected with an external power source. The gate closing and opening component comprises an automatic lifting column, the traffic light is wirelessly connected with the automatic lifting column, and the automatic lifting column comprises an automatic lifting column body, a first inverter, a supporting board, a flexible solar panel, an air cylinder, a protection shell, a first storage battery and LED lamps. When a yellow light of a pedestrian signal indicator light flickers, the system sendsa voice prompt, after the yellow light of the pedestrian signal indicator light flickers and when a red light is turned on, the lifting column automatically ascends to the position, a pedestrian passageway is cut off, pedestrians are forbidden to pass, the pedestrian crossing control system and the pedestrian traffic light of an intersection are in linkage, the situation that the pedestrians run the red light is effectively controlled, it is guaranteed that the pedestrians safely pass a road, and traffic safety accidents are greatly reduced.
Owner:湖南湘华优路交通科技有限公司

Automatic-lightening vehicular graphic display system based on LED screen

An automatic-lightening vehicular graphic display system based on an LED screen comprises a function selection module, a control module, an LED display screen control card, the LED screen, an automobile support, a control box and a photosensitive sensor, the control box is arranged in the automobile, the function selection module and the control module are arranged in the control box, the automobile support is fixed outside the automobile, the LED screen is arranged on the automobile support, and the LED screen is provided with the display screen control card capable of automatically adjusting luminance of the LED screen, and the photosensitive sensor is arranged outside the automobile. The function selection module transmits key input signals to the control module according to users' input; the control module processes the key input signals so as to enable the LED screen to transmit graphic display signals. The photosensitive sensor transmits light strength feedback signals to the control module according to the sensed light strength outside of the automobile. The control module transmits luminance adjustment signals to the LED display screen control card according to the light strength feedback signals, and the LED display screen control card can adjust luminance of the LED screen according to the luminance adjustment signals.
Owner:SHANGHAI DIANJI UNIV

High-density polymer grouting reinforcement method for roadbed at sinking position of bridge and culvert butt strap

The invention discloses a high-density polymer grouting reinforcement method for a roadbed at the sinking position of a bridge and culvert butt strap. The method comprises the following steps that S1, grouting holes are formed; S2, drilling is conducted, specifically, a hollow drill is used for drilling to penetrate through a cement panel and a pavement base layer; S3, grouting pipes are placed; S4, grouting is conducted, specifically, the grouting sequence is from outside to inside, a high-density polymer liquid material conducts grouting on the peripheral grouting holes firstly, then conducts grouting on the inner peripheral grouting holes and finally conducts grouting on the inner center grouting holes; S5, the grouting process is monitored; S6, the grouting holes are closed; and S7, the environment is cleaned. According to the high-density polymer grouting reinforcement method for the roadbed at the sinking position of the bridge and culvert butt strap, the pavement base layer is maintained and the roadbed is reinforced by injecting the double-component high-density polymer liquid material, the injected high-density polymer liquid rapidly generates a chemical reaction to form a solid, the solid rapidly expands with the same volume to fill gaps in a pavement structure, and controllable pressure is applied to surrounding media to compact the roadbed.
Owner:河南长安交通科技发展有限公司

Traffic management method, device and system based on artificial intelligence

The embodiment of the invention discloses a traffic management method, device and system based on artificial intelligence. The method comprises the steps of obtaining the position information of a to-be-adjusted traffic intersection, and obtaining a traffic database provided by a traffic management department, determining the traffic grade of the to-be-adjusted traffic intersection according to the position information and a traffic database, determining a reference traffic intersection according to the traffic grade, acquiring reference traffic flow information of the reference traffic intersection, and predicting the traffic condition of the to-be-adjusted traffic intersection according to the reference traffic flow information to obtain a prediction result, and adjusting the traffic lights of the to-be-adjusted traffic intersection according to the prediction result. The traffic flow information of the reference traffic intersection is deeply analyzed based on artificial intelligence, the to-be-adjusted traffic intersection is predicted, and the traffic lights are adjusted according to the prediction result, so that the traffic jam condition can be effectively relieved, vehiclesat the intersection are ensured to pass orderly, traffic safety accidents are reduced, and the intelligent degree of intelligent traffic is improved.
Owner:雷皓然

Driving safety monitoring system and method based on big data analysis

The invention discloses a driving safety monitoring system and method based on big data analysis. The system comprises a vehicle control system, a vehicle data server, an environment data server and a big data analysis server. According to the method, when the big data analysis server receives real-time vehicle state information, driver operation characteristic parameters and environment information sent by the vehicle data server and the environment data server, the regional position information of a vehicle is compared with the regional position information of a traffic safety accident; when the real-time regional position of the vehicle is close to the regional position of the traffic safety accident, the real-time vehicle state information, the driver operation characteristic parameters and the environment information are compared with the characteristic parameters of the vehicle state information, the driver operation characteristic parameters and the environment information of the traffic safety accident; and the state information of the vehicle with the accident and the operation parameters of the driver of the vehicle with the accident are transmitted to the vehicle control system through a data communication network, and the vehicle control system prompts the driver to pay attention.
Owner:DONGFENG MOTOR GRP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products