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

The invention relates to an intelligent and real-time driver state monitoring system based on an intelligent wearable device. The intelligent and real-time driver state monitoring system comprises the intelligent wearable device, a mobile intelligent terminal and a cloud-side server and is characterized in that the intelligent wearable device is a device capable of monitoring a physiological signal of a human body and capable of being wireless communicating connection with the mobile intelligent terminal and reminding a driver in a vibrating mode. The mobile intelligent terminal comprises a mobile intelligent terminal wireless communicating module (201), an intelligent and real-time driver driving state monitoring APP module (202), a mobile intelligent terminal voice reminding module (203) and a mobile intelligent terminal GPS module (204). The system monitors the physiological signal of a driver in the driving process through the intelligent wearable device and can identify and remind a dangerous driving state of the driver.

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.

The invention discloses a vehicle-road interconnection system and method based on cloud processing of road traffic information, comprising a road network facility module and a motor vehicle interaction module, the road network facility module including intersection signal lights, a traffic signal control machine and a cloud computing platform, The traffic signal control machine is used to set and control the working mode and time period of the intersection signal lights. The motor vehicle interaction module includes a display unit, and the display unit receives the traffic data of the traffic signal control machine through wireless communication, and is used to display the traffic data of the traffic signal control machine in real time. Traffic information for pending intersections. The invention satisfies and guarantees the real-time dynamic demand required by traffic information management, has high precision requirements and safety performance, has good operability, and is convenient for implementation, management and maintenance.

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.

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.

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.

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.

An automatic cruising system for an automobile comprises an automatic cruising operation system, an electronic cruising control system and a line combination warning system. The automatic cruising operation system is an adjustment switch. The electronic cruising control system comprises an automobile-mounted camera, radar sensors and a controller. The line combination warning system comprises an audible and visual alarm and a voice prompt device. The automobile-mounted camera is installed on the front side of the automobile. The three radar sensors comprise the front radar sensor and the radar sensors on the two sides. The adjustment switch is connected with the controller. The output end of the controller is connected with a warning device. The automobile-mounted camera and the output ends of the radar sensors are connected with the controller. By the adoption of the automatic cruising system, the driving time of a driver is shortened, a warning indicating that the automobile deviates from a road surface is sent to the driver in time, traffic safety accidents caused by driving fatigue due to the fact that the driver drives for a long time are reduced, and the driving safety is improved.

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.

The invention discloses an accelerator pedal device. The device comprises a pedal body, a buffer unit and a lock unit, wherein the buffer unit is connected with the pedal body and used for providing elastic acting force for the pedal body; the lock unit is connected with the buffer unit and used for generating brake force enabling the pedal body to stop moving when bearing the oil pressure effect in the buffer unit. According to the accelerator pedal device, the buffer unit and the lock unit are arranged, and when an accelerator pedal is mistakenly stepped on due to panic of a driver in case of emergency, the accelerator pedal stops moving and stops from being stepped on by the driver continuously through the cooperation of the buffer unit and the lock unit, accordingly, the traveling safety when the accelerator pedal is mistakenly stepped on can be improved, and the occurrence rate of traffic safety accidents is greatly reduced.

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.

The embodiment of the invention provides a traffic safety prompting method and road monitoring equipment. Specifically, the road monitoring equipment carries out image recognition on collected monitoring pictures, judges whether a barrier picture of a preset type exists in the monitoring pictures or not, and sends indication information to a vehicle-mounted terminal of at least one vehicle in themonitoring pictures if the barrier picture of the preset type exists in the monitoring pictures, wherein the indication information represents whether a moving object exists in a preset area of the barrier picture or not, so that the vehicle-mounted terminal can give a safety prompt to a driver of the vehicle according to the indication information, and the occurrence probability of a traffic safety accident that the vehicle collides with the moving object is reduced.

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.

A traffic energy-saving traffic light capable of reducing traffic safety accidents comprises traffic light equipment, the traffic light equipment is provided with a safety device, the safety device comprises a brake box, a brake cavity is formed in the brake box, the brake cavity is fixedly connected with a power motor, and the power motor is in power connection with a power shaft. The power shaftis fixedly connected with a friction cylinder, and the friction cylinder is used for reversely rotating to decelerate and brake a vehicle running the red light; the traffic energy-saving traffic light capable of reducing traffic safety accidents is a traffic energy-saving traffic light with safety protection measures, the traffic energy-saving traffic light is provided with a red light running blocking function, deceleration braking can be conducted on vehicles running the red light when the function is started, and in the normal traffic process, pressure generated when the vehicles pass by is stored in the form of gas, and is used for cleaning screen equipment and image equipment in the device and inflating an accident airbag.

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.

The invention, which relates to the technical field of the driving safety protection system, discloses a big-data-platform-based driving safety protection system comprising a vehicle-mounted terminaland a big data platform. The vehicle-mounted terminal carries out information interaction with the big data platform by a communication module. The vehicle-mounted terminal is connected with a data acquisition module A connected with a vehicle speed sensor; and the data acquisition module A is connected with a GPS. The vehicle-mounted terminal carries out data transmission with a reversing systemby a data transmission module. The big data platform carries out information interaction with a traffic light intersection management system, an intersection vehicle analysis system, and a road faultunit by a data transmission and storage module. According to the invention, with the big data platform, the traffic light intersection management system, and vehicle-mounted terminal, a problem that false determination of the traffic light or inaccurate traffic light time caused by the wrong line-of-sight distance in an unfavorable weather and thus an accident is caused can be solved.

The invention provides a commercial vehicle driver fatigue early warning method based on a smart bracelet. The method can monitor and early warn fatigue driving behaviors of a driver. The method comprises the following steps: obtaining physiological information of a user; obtaining fatigue level information of the user according to the physiological information of the user; and executing an earlywarning action according to the fatigue level information of the user. According to the invention, early warning is carried out on a driver of the vehicle and drivers of other vehicles running on theroad through the warning light outside the vehicle through the wristband, and the driver of the vehicle and the drivers of other vehicles can take corresponding actions in time after receiving the alarm, so that the probability of traffic accidents caused by fatigue driving is further reduced.

The invention discloses an urban traffic management system based on a big data platform and relates to the technical field of traffic management systems. The urban traffic management system comprisesa traffic road section analysis system. The traffic road section analysis system performs information interaction with the big data platform through a data transmission and storage module, and outputstraffic road section vehicle information through a data transmission module to a vehicle diversion system. The big data platform performs information interaction with a road section construction information system and the vehicle diversion system through the data transmission and storage module, and performs information interaction with an onboard terminal through a communication module. A microprocessor A is connected with a data acquisition module. The data acquisition module is connected with a GPS and a vehicle speed sensor. By using the traffic road section analysis system, the vehicle diversion system and the road section construction information system, the urban traffic management system can make vehicles evenly distributed on a road network, alleviates the congested road sections, and solves the traffic congestion in cities.

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.

The invention discloses a vehicle friend communication platform based on the Internet of Vehicles, which can reduce the harm caused by frequent use of a mobile phone for operation in the driving process while meeting the social demands of vast vehicle owner users, greatly reduce the occurrence of traffic safety accidents, and reduce the potential safety hazards of vehicles and pedestrians. The platform comprises a client and a vehicle-mounted terminal. The client is configured to register, log in, receive tasks, publish tasks, add friends, delete friends and exit; and the vehicle-mounted terminal comprises a login request response module, a friend list response module, a friend adding request response module and a friend deleting request response module. An operation method and an installation method are also provided.

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.

The invention relates to the field of bus auxiliary devices, in particular to a safety protection system of a bus cab. The system comprises a transverse railing around the cab, a fixed protective plate around the cab is fixed arranged under the transverse railing, a cavity is formed in the fixed protective plate, and a transparent display screen capable of stretching out is placed in the cavity, the transparent screen is used for broadcasting safety duty information to a driver, the cavity inner bottom is provided with a power mechanism capable of driving the transparent display screen to stretch out, an emergency button allowing the driver to press down is arranged in the cab, a microcontroller is in signal connection with the emergency button, and the microcontroller is in control connection with the power mechanism. Accordingly, the mood of a driver is soothed when passengers are isolated, the driver can drive the bus safely, and the safety in the bus running process is improved.

The invention discloses a driver abnormal state detection method based on image and voice recognition. The method comprises the steps that 1, the state of a driver is monitored in real time through an image module and analyzed; 2, voice interaction with a driver is carried out through an interaction module, the voice state of the driver is collected, a voice system can randomly extract a group of short dialogues from a voice library to interact with the driver, 3, voice information of the driver is analyzed through a voice analysis module, the state of the driver is judged, and 4, warning is carried out through a warning module. According to the method, the driving state of the driver can be monitored in real time, and traffic safety accidents caused by abnormity of the driver can be effectively reduced.

A driving communication system comprises an operation box and a display screen arranged on a shell position. The display screen is provided with a first wireless communication module. The operation box is installed in an automobile and is provided with a user interface. The operation box possesses a function selection button, a processor control module and a second wireless communication module. The first wireless communication module and the second wireless communication module are communicated through a wireless communication mode. The function selection button is used for inputting an expression selection signal to a processor control module. According to the received expression selection signal, the processor control module displays an expression corresponding to the expression selection signal on the user interface and transmits the received expression selection signal to the first wireless communication module through the second wireless communication module. After the first wireless communication module receives the expression selection signal, the display screen displays the expression corresponding to the expression selection signal.

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.

The invention discloses a highly intelligent interchange system, which comprises a ground level intersection layer, a traffic main line layer and a span bridge intersection layer in order from bottomto top. A plurality of branch ramps are arranged between the traffic main line layer and the span bridge intersection layer, and the branch ramp is used as a left-turn lane of the traffic main line layer. A highly intelligent interchange design method comprises the following steps: S100, predicting traffic flow and selecting a suitable interchange type by analyzing the functional status and function of the interchange in the urban road network, the road grade, the current topography and the land use restriction conditions; S200, through the analysis of traffic flow, two interchange schemes aremade, and the fuzzy comprehensive evaluation method is adopted to evaluate the two interchange schemes respectively; S300, selecting an interchange scheme, reasonably determining the layout positionof the interchange in the scheme, and carrying out overall layout planning on the interchange, so as to ensure that the interchange scheme plays a greater role in the road network.

The invention provides an automatic following driving system. The driving system comprises a vehicle speed acquisition unit, an alarm unit and an alarm control unit, wherein the vehicle speed acquisition unit is used for acquiring the vehicle speed of a current vehicle, and the vehicle speed is acquired by reading CAN bus or LIN bus data; the alarm unit is used for giving an alarm; and the alarm control unit is used for controlling the alarm unit to give an alarm when the vehicle speed acquired by the vehicle speed acquisition unit meets a first preset alarm condition. According to the automatic following driving system, the driver can be reminded in time so that traffic safety accidents caused by the aspect of drivers in charge can be reduced.

The invention discloses a vehicle following automatic driving method based on a driving safety distance. The vehicle following automatic driving method comprises steps that (A) a static operation parameter of a target vehicle is acquired; (B) the dynamic operation parameter of the target vehicle and a dynamic operation parameter of a preceding vehicle are acquired; (C)the safety driving distance of the target vehicle is determined according to the driving speed of the target vehicle and the driving speed of the preceding vehicle; (D) the operation parameter of the target vehicle is determined by combining the actual driving distance of the vehicle and the safe driving distance of the vehicle; (E) according to the recommended operation parameters of the target vehicle, the operation parameters of the target vehicle are determined. By adopting the vehicle following automatic driving method provided by the invention, the vehicle is used to determine a relative motion relation with the preceding vehicle quickly and accurately, and the recommended operation parameters of the target vehicle in different running states are analyzed, and the automatic driving of the vehicle is realized.

The invention provides an intelligent network connection automobile service system, and aims at solving the problem in the prior art that a vehicle cannot predicate the information of a surrounding vehicle. According to the intelligent network connection automobile service system, an intelligent vehicle terminal is electrically connected with a vehicle-mounted computer; the intelligent vehicle terminal is wirelessly connected with a cloud vehicle data analysis server group; the cloud vehicle data analysis server group and an intelligent cloud server group are wirelessly connected; and the intelligent cloud server group is wirelessly connected with a mobile terminal. A sensor group is electrically connected with the vehicle-mounted computer. A Beidou internet-of-things wireless data module,a vehicle-mounted computer information reading module and a vehicle-mounted navigation system are electrically connected with the intelligent vehicle terminal. Through the intelligent network connection automobile service system, a user timely knows driving conditions and driving speeds of other vehicles within the circumference of one kilometer away from the vehicle, the vehicle can stop to giveway, and a rear-end collision with a vehicle behind is avoided.