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4050results about "Signalling/lighting devices" patented technology

Vehicle safety driving early warning method based on vehicle internet

The invention discloses a vehicle safety driving early warning method based on vehicle internet. Vehicle information data is sent to a network background server through a vehicle-mounted wireless communication unit, the network background server acquires information data of dangerous points on a road section where a vehicle is located according to the vehicle information data and sends the information data at the dangerous points on the road section to the vehicle-mounted wireless communication unit, a vehicle-mounted central processing unit compares obtained dangerous point information with self-vehicle information, a safety distance model is called to generate early warning parameters, and a vehicle-mounted alarm unit, a vehicle-mounted display unit and an electronic control braking system are controlled to perform early warning response. The vehicle safety driving early warning method based on the vehicle internet has the advantage that a network background server terminal provides the dangerous point information for a vehicle-mounted terminal, the vehicle-mounted terminal acquires and analyzes vehicle geographical position information and the dangerous point information on the road section where the vehicle is located in real time, the vehicle-mounted alarm unit, the vehicle-mounted display unit and the electronic control braking system are controlled to perform the early warning response, and the vehicle safety driving early warning method based on the vehicle internet has reliability and high efficiency of vehicle network data communication.
Owner:BEIHANG UNIV

Front small-region object recognition and vehicle early warning method

The invention relates to a front small-region object recognition and vehicle early warning method, and belongs to technical field of early warning for collision in front of vehicles. The front small-region object recognition and vehicle early warning method specifically comprises the steps that an image of a target to be recognized in front of a vehicle is acquired, and a region of interest (ROI)image is obtained; image preprocessing is performed on the obtained region of interest image, the preprocessed region of interest image is inputted into an improved YOLO convolutional network structure model to perform target recognition, and a target regression frame and a target category are outputted; the recognition result is inputted into a vehicle early warning system, if the target regression frame is located beyond the range of a vehicle driving route or the target is recognized to be of a non-dangerous category, the target is marked as a non-dangerous target, and the vehicle does notperform early warning; and if the target regression frame is located within the vehicle driving route and the recognized object belongs to a dangerous category or the object cannot be recognized but has certain speed features, the target is marked as a dangerous target, the vehicle performs early warning to remind a driver to pay attention so as to avoid occurrence of an accident.
Owner:JILIN UNIV

Infrared vehicle interior environmental monitoring system based on controlled area network (CAN) / local interconnect network (LIN) bus

InactiveCN103129489AEnsure personal safetyNo chance of being left behind in a closed and locked carPedestrian/occupant safety arrangementSignalling/lighting devicesArea networkControl area
The invention relates to an infrared vehicle interior environmental monitoring system based on a controlled area network (CAN)/ local interconnect network (LIN) bus. The infrared vehicle interior environmental monitoring system based on the CAN / LIN bus comprises a senor, a signal processing module, an analog/ digital (A/ D) conversion circuit, an electronic control unit (ECU) system, a vehicle-mounted computer, a CAN/ LIN data bus, an alarming circuit, a liquid crystal display (LCD) module, a wireless communication module and a power source. Signals obtained by the sensor are processed through the signal processing module at first, and then are converted through the A/ D conversion circuit to be input to the ECU system to be processed. The ECU system carries out synthetic judgment by combining sensor information and vehicle state information obtained through the CAN/ LIN bus from the vehicle-mounted computer. When the ECU system finds that an environment is poor or a person / life is left and vehicle doors are locked inside a vehicle, the ECU system starts the alarming circuit to give an alarm, a message prompt is sent through the wireless communication module and an instruction is sent to the vehicle-mounted computer through the CAN/ LIN bus, and the vehicle-mounted computer adjusts vehicle windows or controls starting of an air conditioner and outer circulation of the air conditioner. The power source supplies power for parts. According to the infrared vehicle interior environmental monitoring system based on the CAN / LIN bus, a safety guarantee is provided for the person who does not want to stay in the vehicle, and accidents are avoided.
Owner:SUZHOU KATAIKE ELECTRONICS TECH
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