2810 results about "Automobile safety" patented technology

An automobile alarm system includes: (1) a face identification and discrimination system, which consists of low-light, visible light, infrared light, and thermo-luminescence camera and/or digital camera device for photograph of inside and outside of automobiles, and face identification and discrimination hardware and software system for testing whether a mask or facial adornments or whether his/her face is directed at the camera; (2) redundancy device and/or redundancy function modules, anti-interference system for communication and anti-destructive detection system; (3) a automobile status recorder, which can record the statuses on the inside and outside of the automobile before, during and after an emergent event picked up by the camera; (4) a multi-functional burglar, anti-destructive and anti-hijacking alarm for automobiles, which can transmit a radio image to a remote equipment for reporting an incident. This invention can also be used for every supervision systems.

The invention provides a cooperative anti-collision device based on vehicle-vehicle communication, belonging to the technical field of intelligent transportation/automobile safety control. The device comprises a vehicle operation information acquisition unit, a vehicle-vehicle communication unit, an information processing control unit, a data storage unit, an alarm unit and an execution unit. The vehicle operation information acquisition unit comprises a wheel speed sensor and a ranging module. Through the invention, the safety guarantee in vehicle running is enhanced; however, each vehicle executing cooperative collision prevention needs to be additionally provided with a cooperative anti-collision device, and a single vehicle only can implement the functions of a common anti-collision device; the vehicle-vehicle communication unit can acquire the information of space, speed and the like of the vehicles around in real time and perform real-time information interaction with the vehicles around; when the space is less than the safe space, the information processing control unit of the rear vehicle calculates the expected deceleration to avoid collision by reducing speed; and if the collision can not be prevented only by the rear vehicle, acceleration allocation information is sent to the front vehicle to notify the front vehicle to accelerate for cooperative collision prevention.

Systems and methods provide services relating to driving safety and insurance in connection with insuring selected segments of a population, such as young drivers or elderly drivers. A web-based system provides a web site having a home web page configured to provide links to web pages accessible by a user over the Internet, configured to provide program elements such as an interface to a GPS vehicle monitoring system connected to provide vehicle information to the user via one or more of the web pages and to receive instructions from the user to select features of the GPS system, a display of or link to educational information relating to safe driving, stored by the web-based system or provided by interface to a third party web site; or a display of or link to a tool providing an estimate of an insurance premium discount based on use of the program. A system for providing an insurance price estimate, a computer-implemented method of promoting the sale of vehicle insurance to a population segment, a computer system for providing an insurance premium discount, and a computer program product are also provided.

The invention provides an NFC (Near Field Communication) intelligent automobile key system with permission and authorization functions. The NFC intelligent automobile key system comprises an intelligent control platform, an intelligent vehicle terminal, a borrower mobile telephone and a vehicle owner authorization terminal, wherein the intelligent control platform comprises an automobile safety comprehensive processing module, a vehicle access module, a user access module and a first network access module; the borrower mobile telephone comprises a first wireless communication module, an automobile key management module, a first NFC module; the intelligent vehicle terminal comprises a second wireless communication module, a safety management module, a second NFC module and a vehicle control module; the vehicle owner authorization terminal comprises a second network access module and an automobile key authorization module; and the borrower mobile telephone can conduct NFC with the intelligent vehicle terminal through the first NFC module and the second NFC module. The NFC intelligent automobile key system is used for authorization and management of an automobile key.

The invention discloses a panoramic parking assist system, which is a technique applied to the fields of automotive electronics and auto safety driving assistance. The system comprises a camera input module, an image correction module, a bird-eye perspective module, an image mosaicking module, a histogram equalization module and an image display module. The system is used for effectively solving the problem of car crash accidents caused by that the driver can not fully observe the situations around the car in the process of parking. By using the system, a 360-degree top view around a car bodyin real time can be showed for the drivers, so that the drivers can clearly see the relative positions of obstacles around the car body and the distances between the obstacles and the car body; and the blind visual areas around the car body can be eliminated so as to improve the security and stability of car in the process of parking. Through integrating a plurality of machine vision and digital image processing algorithms and fusing a plurality of advanced techniques in the field of machine vision, and based on the advantages of low cost, high performance, strong portability and the like, the system is convenient to be popularized and applied widely.

The invention discloses an automobile intelligent speed limiting system and an automobile speed limiting method, and relates to the technical field of automobile safety driving assistance. The automobile intelligent speed limiting system and the automobile speed limiting method can improve accuracy of speed limiting identification recognition and improve driving safety of a driver. The automobile intelligent speed limiting system comprises a camera, an intelligent navigation device, an automobile body sensor and a controller, wherein the camera can recognize road traffic identification boards and extract road traffic identification information through the image processing technology, the intelligent navigation device can provide current road information, navigation route information and national or regional traffic road speed limiting law related information in real time, the automobile body sensor can provide automobile body information in real time, a traffic speed limiting identification database is set up in the controller, the input end of the controller is connected with the camera, the intelligent navigation device and the automobile body sensor, and the output end of the controller is connected with an automobile instrument and an engine ECU. The automobile intelligent speed limiting system is used for assisting in limiting the speed of the automobile.

The invention relates to a method for predicting the dynamic mechanical property of a material based on a BP artificial neural network, aims at achieving the prediction of the dynamic mechanical property of the material through the BP artificial neural network, and belongs to the testing field of the dynamic mechanical property of the material. The principle of the method comprises the steps: collecting stress-strain data through employing a high-speed tensile test method, and obtaining a training sample set after normalization preprocessing; building a BP artificial neural network model through designing an input layer, a hidden layer and an output layer, and selecting a proper transfer function, a training function, and a learning function; carrying out the iterative training of the BP artificial neural network through employing the training sample set, and obtaining an optimal prediction network. The above prediction method can be used for the prediction of the dynamic mechanical property of the material, can achieve the quick prediction of a flow curve of the material at different strain rates in a short time, and can provide enough sample data for automobile safety simulation.

The invention discloses an automobile driver emotion monitoring and automobile control system, and solves the technical problems that in the prior art, the monitoring method for driver's adverse emotion is single, and no emotion regulating measure and no corresponding automobile safety control measure are provided. The automobile driver emotion monitoring and automobile control system provided by the invention can control the automobile and regulate driver's emotion promptly when the driver's emotion is detected to be in an adverse state, and comprises a camera shooting device, an emotion monitoring and processing unit and a sounding unit, wherein the output end of the camera shooting device is connected with the emotion monitoring and processing unit; and the emotion monitoring and processing unit is connected with the sounding unit, an engine controller and an electronic steering controller through a communication bus.

The invention provides a driving behavior safety evaluation method based on human-vehicle-environment multiple data sources and belongs to the field of automobile safety driving research in the aspectof road transportation application. The method comprises the steps that information data of a driver, driving data of a vehicle and environmental factor data are acquired as automobile driving sourcedata; according to the automobile driving source data, related factors which influence the driving safety are analyzed, and a driving risk evaluation index system is built; through statistical analysis, an evaluation value corresponding to an evaluation index is extracted in the source data, a driving risk score of a vehicle to be evaluated is calculated and obtained, and finally the driving behavior safety grade of the vehicle is determined. The driving behavior safety evaluation method has reliable evaluation results, can prevent dangerous driving behaviors, reduces traffic accidents and improves the traffic flow.

A safe driving monitoring device capable of monitoring physical and psychological states of a driver belongs to the field of safe driving of automobiles and solves the problem that an existing safe driving device only detects some single index, does not consider changes of the physical and psychological states of the driver and cannot carry out corresponding reaction movements when the states of the driver change. A neck pulse sensor detects pulse signals, a pressure sensor detects signals indicating whether the driver sits in an automobile, an air bag pressure sensor detects hand gripping signals or foot power signals of the driver, a breathing signal detection circuit detects breathing signals of the driver, a non-contact temperature measuring sensor detects body-temperature signals, an alcohol concentration measuring sensor detects alcohol concentration signals, an ear type sphygmomanometer detects blood pressure signals, and a distance measuring sensor detects relative distance signals. All the signals are analyzed by a control and analysis processor, and the control and analysis processor outputs analysis results to an alarming module so as to give an alarm.

A child car seat with electronic entertainment features is herein disclosed, comprising an integral sound system with pre-recorded sounds or music, and a pair of speakers embedded in the car seat near the child's head. Also, a plurality of flashing lights that can be synchronized with the music is provided along a perimeter region. Finally, a vibrating mechanism in the base of the seat may operate in a synchronous manner with the music or provide a soothing and comforting effect thereto the child to lull the child to sleep. The seat is capable of manual or automatic operation as selected using a front-mounted switch control panel or may be controlled remotely via a handheld wireless controller. The car seat is powered by connection to a cigarette lighter socket within the vehicle.

The invention belongs to the technical field of steel rolling, and particularly relates to high-flexural-behavior hot-formed steel used for automobiles and a manufacturing method thereof. The steel comprises following trace elements by mass: 0.18-0.3% of C, not more than 0.3% of Si, 1-1.6% of Mn, not more than 0.015% of P, not more than 0.002% of S, 0.1-0.3% of Cr, 0.02-0.06% of Ti, 0.02-0.06% of Al, 0.0005-0.004% of B, not more than 0.004% of [N] and not more than 0.003% of [O]. The manufacturing method includes: heating a casting blank at a low temperature, performing controlled rolling in two stages, rapidly cooling, reeling up at a low temperature, preparing a steel coil by cold rolling and low-temperature critical annealing, shearing to prepare component tablets and performing hot press molding. By the manufacturing method, steel crystal grains are refined and ductility and toughness of the steel are enhanced, so that more energy is absorbed during deformation of the steel and automobile safety performance is enhanced.

The invention provides an automobile failure automatic-detecting system, for obtaining state signals of vehicle signal collecting units of all detected systems in an automobile, and making remote analysis of automobile failure to in time inform the driver of the automobile, and comprising: vehicle central control unit, vehicle display unit, vehicle wireless data communication unit, and wireless data communication unit and failure analyzing unit arranged in a remote service center. Besides, the invention provides an automobile failure automatic-detecting method, comprising the steps of: detecting automobile state information, transmitting automobile state information, analyzing automobile failure, transmitting automobile failure information, and displaying automobile failure information. Relative to the existing techniques, the invention can in time, visually and completely reflect the automobile failure information, improving the automobile safety performance and having a simple and reasonable structure as well as being easy to implement.

The invention provides an embedded panoramic display device and method served for automobile safe driving. The embedded panoramic display device comprises an ultra-wide field camera, a video collecting card, a panoramic display CPU (central processing unit), a memory and a display; analogue signals collected by the ultra-wide field camera are converted into digital signals through the video collecting card; the digital signals are transmitted to an image processing module consisting of the panoramic display CPU and the memory to carry out image correction; and a corrected image and an automobile top view are spliced in an image processing module, and are output on the display. With the adoption of the embedded panoramic display device and method, provided by the invention, scenes around an automobile body are directly displayed through a display screen; when an automobile normally drives, panoramic assistance is provided for a driver driving under a crowded road condition; and meanwhile, a multi-vision video switching function is provided, more abundant and clear images in a dead area can be provided for a condition that the automobile drives from a ring road to a main road in an inclined manner or special road conditions, and the effective scheme of solving the potential safety hazards because the vision range of the driver is limited can be provided.

The invention provides a traffic safety auxiliary control method and a traffic safety auxiliary system and belongs to the field of automobile safety. The invention can detect the safe distance between an automobile with the system and an automobile in the front in real time, timely prompt a driver by voice, and control the automobile to operate in an forced manner if necessary; and in overtaking, the invention can calculate the overtaking safe distance in real time, prompts the driver to carry out overtaking or not, and controls the automobile to operate in the forced manner if necessary, so that the vehicle safety is greatly ensured. The traffic safety auxiliary system consists of a signal acquisition unit, a signal amplification and shaping unit, a processor unit and an actuator unit; the traffic safety auxiliary system is communicated with an anti-locked braking system, an electronic steering column lock, an electronic power-assisted steering system and an automobile body control system through a vehicle bus.

The invention discloses a global positioning system (GPS) automobile safety information system based on the internet, a global system for mobile communication (GSM) and a Wave&Wimax communication network. Preset position data is arranged in a border-crossing detecting module. When an automobile moves, a GPS module generates new position data and compares the new position data with the preset position data. When a moving distance of the automobile exceeds a boarder-crossing threshold value, the automobile is moved illegally. The process achieves monitoring of a safety state of the automobile and prevents the automobile from being stolen. A real-time automobile communication system achieves delivery of various types of information including the automobile position data between automobiles and between the automobile and a user, and enables the user to know a safety state of the automobile at any time and any place and to take measures in time. The GPS automobile safety information system greatly improves safety of the automobile and achieves a vehicle-mounted instant messaging social safety wireless platform.

The application provides a temperature control system and method. The temperature control system is applied to an electric automobile. A thermal management controller, a vehicle controller, a heat radiator, an electronic water pump and a water temperature sensor are additionally arranged in a conventional electric automobile, and the heat radiator, the electronic water pump, the water temperature sensor, a charger, an AC-DC inverter, a motor controller and a motor are connected in turn via cooling pipelines. Internal temperature of all the components in the working process of the electric automobile is reduced by utilizing cooling liquid fully filled in the cooling pipelines and fans arranged in the heat radiator. Concretely, rotating speed of the fans and operating duty ratio of the electronic water pump are controlled according to the preset control rules and current temperature of all the components detected in real time so that influence on working efficiency and the service life of all the components caused by over-temperature in the electric automobile can be avoided, and thus safe and reliable working of the electric automobile can be guaranteed.

A tire status monitoring system monitors tire conditions, such as tire pressure, temperature, etc., thereby improving automobile safety. The tire status monitoring system provides transmitters, mounted within the vehicle tires, for transmitting tire conditions. A receiver is installed in the vehicle, for analyzing the tire condition data received from each transmitter. The transmitter includes a pressure sensor for sensing air pressure, a temperature sensor for sensing temperature in the tire; a drive detecting sensor for sensing driving velocity; a radio transmission module for modulating the input data into a radio frequency signal to transmit the modulated signal; and a control device for identifying the operation mode by the pressure, temperature and driving velocityinput from the sensors in sensing mode. The control device controls the radio transmission module so that the sensed data can be transmitted at a predetermined period according to the identified operation mode.

The invention relates to an electric automobile safety prewarning protection system and a method based on a cloud service vehicle-mounted terminal. The electric automobile safety prewarning protection system comprises a vehicle-mounted terminal and a cloud service terminal, wherein the vehicle-mounted terminal and the cloud service terminal directly communicate with each other wirelessly; and the cloud service terminal comprises an encryption service, a decryption service, a data storage server, a rescue guide server, a prewarning analysis server, an overhaul plan server and a battery tracking server and is used for finishing rescue guide, prewarning analysis, overhaul plan making, battery tracking and data cloud backup according to data sent by the vehicle-mounted terminal. The electric automobile safety prewarning protection system can monitor a battery box of an electric automobile all around and perform prewarning and treatment on battery safety from multiple layers and different angles; phenomena of spontaneous combustion and loss of the battery and automobile accidents are avoided; and the safety of people and the service life of the battery are guaranteed. Due to data storage supplied by the cloud service terminal, problems of data loss, virus invasion and the like are solved; and because of complete data, powerful basis is supplied to later-stage reason analysis for electric automobile accidents and safety prewarning and analysis for the electric automobile.

The invention discloses an automobile impact test device used for automobile passive safety detection, composed of fixed wall, railway, buffer, release mechanism, guide mechanism and sliding vehicle. The sliding vehicle is connected with the release mechanism and the guide mechanism, and the test vehicle is controlled in the middle of the guide mechanism. The main idler wheel, side shaft idler wheel and vertical idler wheel of the guide mechanism limit the guide idler wheel to move in the vertical and side directions of the guide rail, and at the same time, the movement has considerably small friction resistance. The space adjusting mechanism can implement stepless adjustment of space between guide members. The test vehicle has very strong adaptability and is uneasy to damage structure. The release mechanism works stably, easy to operate and accurately locates. It combines the impact test of the whole vehicle with the automobile simulated impact test in a test table, successfully implementing 'a test table for two uses'.

The invention discloses an image fusion method for a panoramic parking system, which is an image processing method applied to an automobile electronic field and an automobile safety assistant driving field. The image fusion method comprises the following steps of: obtaining the coordinate of a pixel point in a superposition area, calculating an included angle formed by the pixel point and a boundary line of the superposition area, calculating alpha channel values of two images at the pixel point and fusing images of the superposition area. According to the image fusion method disclosed by the invention, the aerial-view of the superposition area can be fused into a whole body, a problem that an obvious splicing trace exists in a superposition sampling area is solved, and internal images in the superposition area are in natural and smooth transition so that user experience of the panoramic parking system is increased. The image fusion method disclosed by the invention utilizes a mathematical model in accordance with the change rule of an actual problem, has the advantages of very small calculation amount, high processing speed and strong expandability and is suitable for large-scale popularization and application.

The invention relates to a vehicle pavement identification system and a suspension mode switching method and belongs to the field of automobile safety and comfort. A suspension mainly comprises sprung mass, an elastic element, a damper, a linear motor, unsprung mass, an acceleration sensor A, an acceleration sensor B, a displacement sensor A, a displacement sensor B, a current amplifier, an A/D converter, a signal storage unit, an ECU, a power amplifier and a D/A converter. The ECU (14) comprises a signal processing module, an analysis module, a judgment module and a control module, receives displacement signals and acceleration signals, measured by the vehicle sensors, of the sprung mass and the unsprung mass, grades road conditions by combining the vehicle speed and the damping coefficient and meanwhile controls the suspension by combining vehicle working conditions and switching different modes to meet the requirements of safety and comfort. According to the vehicle pavement identification system and the suspension mode switching method, the linear motor is adopted as an actuator, brake energy of the suspension can be recovered under good road conditions for supplying to other systems for using, and energy feedback performance is achieved.

The invention discloses a safety handling method of electronic accelerator signals for an automobile. The method comprises the following steps: carrying out shunt collecting by two ways on original voltage signals of an electronic accelerator pedal through a voltage division circuit; carrying out normalization treatment on the voltage signals of the two-way electronic accelerator pedal to acquirea reliable percentage value; finally selecting the normalization value of the voltage signals of a one-way electronic accelerator pedal as an output value of the electronic accelerator pedal by combining a diagnosis module based on diagnosis signals of a hardware layer and position signals of a brake pedal which are output by a shunt circuit; and simultaneously controlling the numerical value andchange rate of the output value of the electronic accelerator pedal. Therefore, according to the invention, when the voltage signals of the electronic accelerator pedal is abnormal, reasonable and malfunctions, unexpected automobile acceleration and speed reduction actions are avoided through an appropriate judge strategy and a stoppage coping mechanism, thus other motive system control modules which takes the acceleration pedal signals as inputs are ensured to operate safely and reliably.

The invention provides an auxiliary prompting system for motor vehicle safety and oil-saving manipulation and an auxiliary prompting method thereof, the system is composed of a data detecting part, acentral processing part, an output displaying part and a sound alarm part, the purpose is to provide the intuitive, visual and real-time display of manipulating status to a driver, a steering angle ofa motor vehicle, a manipulating stroke of a clutch pedal, a manipulating stroke of an accelerator pedal and a manipulating stroke of a brake pedal are displayed to assist the driver to drive accurately and safely; a reasonable oil-saving gear and a gear shifting prompt which correspond to the running status of the motor vehicle are provided to assist the driver to correctly shift the gear to reduce fuel consumption; the display of the manipulating safe state and the manipulating safety range of the motor vehicle is provided, the safety range of the steering angle and the safety range of accelerator manipulating are displayed, thereby leading the driver to notice possible dangers and carry out correct operation to eliminate hidden dangers.

The invention discloses a detection control method and device of an automobile safety belt. The method comprises the following steps of: step 1, collecting seat images in an automobile through a camera; step 2, carrying out image recognition to the seat images to find out a seat with a passenger; step 3, carrying out detail image capture to the seat with the passenger to obtain detail images; step 4, carrying out analysis on the detail images to obtain an analysis result about whether the passenger wears the safety belt or not; and step 5, carrying out alarming control and vehicle speed control according to the analysis result and the current vehicle speed. According to the method and the device, the safety belt information and the current vehicle speed can be integrated to carry out vehicle speed control, so that the high-speed running under the condition that the safety belt is not worn is stopped, and the life safety of the passenger is ensured.