186results about How to "Improve driving safety factor" patented technology

The invention discloses an automobile drive simulation system based on a flexible transparent OLED and a control method of the automobile drive simulation system. According to the technologies of the automobile drive simulation system, display of basic vehicle information (including an automobile speed, an engine rotation speed, a cooling water temperature, a battery charge state and the like), augmented virtual reality navigation, pedestrian sensing, front vehicle anti-collision early warning, lane departure early warning, high-light-sensitivity night vision assisting, and vehicle-mounted communication display are involved. The devices of the automobile drive simulation system comprise a flexible transparent OLED display screen, a micro-processor, a camera, a sensor, a GPS chip, a laser millimeter-wave radar, a 3G network chip, a communication and electric power hardness and the like. The automobile drive simulation system is placed on a windshield in front of a driver, can effectively overcome the defects that an automobile head up display system is large in size and contains a small amount of display information and the like, effectively avoids the potential safety hazards which may be caused when the driver checks a central display screen and diverts attention, enables information to be more visual and easier to read, achieves stronger feeling of reality, provides more abundant information and is lower in energy consumption.

The invention relates to water permeable cement concrete using recycled concrete as the aggregate, which has the raw material compositions with the weight parts of 250-400 parts of cement, 1500-2000 parts of recycled concrete aggregate, 25-40 parts of inorganic plastering agent and 2.5-5 parts of synthetic fiber, wherein, the recycled concrete aggregate has 5-12mm of unitary size fraction and 25 percent or smaller of crushing value. The ecological water permeable concrete has the advantages of increasing the service means of the high added value of waste concrete, reducing the mining quantityof natural aggregates, lowering the cost for confecting water permeable materials, improving the traffic safety factors of the road, improving the water circulation function of the environment and having the performance indexes meeting the requirements of the set mechanical performance and other technical indexes.

The invention provides rough road surface driving assisted equipment, which comprises: a road surface information acquisition device with a binocular camera system, wherein the binocular camera system is adopted to shoot the road surface ahead a vehicle so as to acquire the ahead road surface video information; and a rough road surface judgment device, wherein the ahead road surface video information acquired by the road surface information acquisition device is converted into a parallax image, a moving window is adopted to divide the parallax image into a series of sub-parallax images, the divided sub-parallax images are converted into various sub-V parallax images according to the V parallax image generation criterion, line segment fitting is performed on various sub-V parallax images to obtain road surface mapping line segments, and whether the ahead road surface is the rough road surface is judged according to the total number of the endpoints of the road surface mapping line segments in various sub-V parallax images.

The invention discloses a self-adapting manual-automatic integrated power-driven balance vehicle. The self-adapting manual-automatic integrated power-driven balance vehicle comprises a machine shell, motor wheels, a pedal plate and a control system; and the control system comprises a control unit, a driving circuit, a motor, a smoothing voltage stabilizing circuit, a power generating unit and a power battery. The control unit analyzes the vehicle state according to a signal of a vehicle sensor, and either the state of the vehicle is switched into a driving mode or a braking mode is judged according to exterior output. The self-adapting manual-automatic integrated power-driven balance vehicle has an intelligent driving mode and an automatic tracking mode, and therefore the using requirements of different users are met. In addition, the first-time demarcation function is set, parameter calibration on the driver weight and systematically-calculated vehicle reactions obtained by the control unit through the adoption of the algorithm of the control unit, a new reaction value is formulated, the same accelerated speed and the same decelerated speed are achieved by different persons under the same gradient, and the driving consistency and the driving safety are accordingly guaranteed.

The invention provides a panoramic visible system of an automobile, which comprises an image acquisition unit, an image processing unit, a control unit and an image display unit. The image acquisition unit is used for acquiring images from the front side, the rear side, the left side and the right side of the automobile in real time and outputting the four acquired image signals, the image processing unit is used for receiving the four image signals acquired by the image acquisition unit, respectively converting the four image signals into digital signals before realizing panoramic stitching processing for the digital signals, restoring digital signals after the panoramic stitching processing into an panoramic image signal and outputting the panoramic image signal, and the image display unit is connected with the control unit and is used for receiving and displaying the four images outputted from the image acquisition unit and / or an panoramic image outputted from the image processing unit according to instructions of the control unit. By the aid of the panoramic visible system of the automobile, individual images of a turning side or a rear side of the automobile can be provided in real time, accordingly, a reference can be provided for a driver, and running safety is improved.

The invention relates to a power driving system architecture in a hybrid vehicle. A battery module in a motor power driving sub system is connected with a first driving motor / generator through a first motor control module; the first driving motor / generator is connected with a power coupling transmission device; an engine control module in an engine power driving sub system is connected with an engine; the generator is connected with the battery module through a second motor control module; and the engine is connected with the power coupling transmission device through the generator. The invention also relates to a method for realizing power driving control in the hybrid vehicle based on the system architecture. By adopting the power driving system architecture in the hybrid vehicle and the control method for the power driving system architecture, the system architecture is more rational, the vehicle has higher power performance, and driving is higher in flexibility and completeness; furthermore, the vehicle saves energy, is environment-friendly and has high safety coefficient; and the power driving system architecture is stable and reliable in working performance and wider in applicability range, and lays a firm foundation for popularization and application of a hybrid technology.

The embodiment of the invention discloses a projection vehicle navigation display method, comprising: acquiring an intersection of the horizontal sight line of a driver and a front windshield; generating navigation information on current location of a vehicle according to a GPS (global positioning system) signal; projecting the navigation information on the inner side of the front windshield near the intersection through a projector. The embodiment of the invention also discloses a projection vehicle navigation device and system. According to the invention, the navigation information is projected on the inner side of the front windshield by means of projection, so that the driver can get the navigation information while paying attention to the road conditions ahead, and the driving safety of the driver is enhanced.

The invention relates to the technical field of railway signals and discloses a method, a device and a system for detecting train integrity. The method comprises acquiring train positioning data and train tail wind pressure data, and determining whether a train is integral according to the train positioning data and the train tail wind pressure data. The method, the device and the system for detecting the train integrity provided by the invention can accurately and effectively determine whether the train is integral according to the train positioning data and the train tail wind pressure data acquired in real time, so as to effectively reduce the labor intensity of drivers and passengers while improving the operation efficiency of the freight train and the driving safety coefficient, thereby meeting the development trend of heavy load and high density of freight railway.

The invention discloses an automatic control method for a steering lamp. The method includes the steps that if the road where a vehicle is driven currently is not a one-way road, when the vehicle needs to change a road, whether the road change condition is met or not is judged on the basis of the current road condition, when the road change condition is met, the steering lamp is turned on, and after the road is changed, the steering lamp is turned off. The invention further discloses an automatic control system for the steering lamp. By the adoption of the system and the method, the steering lamp is turned on and turned off in an assisting manner in the vehicle road change process.

The invention discloses a vehicle-mounted traveling record management system used for a large van. The vehicle-mounted traveling record management system comprises an image monitoring module, a vehicle condition judgment module, a GPS module, an outer receiving module, a wireless communication module and a driving prompting module. By the adoption of the vehicle-mounted traveling record management system used for the large van, multiple cameras are arranged for panoramically monitoring the front side, the rear side, the left side and the right side of the van, the problem that a vision dead zone is generated due to the high driving position of the van is solved, the traffic safety coefficient can be better increased, and parking is convenient. By the adoption of the wireless communication module of the system, the van can be located and checked in real time by a driver and a van management center conveniently.

The invention discloses an abnormal driving detection method and device, and the method comprises the steps: detecting face image data collected in a preset time period, and extracting a plurality ofhuman eye features representing the lengths and widths of eyelids; obtaining the blinking times according to the relationship between the plurality of human eye features and the eye opening degree; obtaining a fatigue reference value according to the blinking times and the change relation of the eye opening degree along with time in the single blinking process; inputting the fatigue reference value into a detection model to predict the fatigue degree so as to obtain a fatigue prediction value; and when the fatigue prediction value is in different fatigue levels, sending an early warning signalcorresponding to the fatigue level. Aiming at the problems of low accuracy, low safety and the like of the existing fatigue driving detection technology, the detection accuracy and the safety coefficient are improved.

The invention discloses an automatic steering lamp control method. The automatic steering lamp control method comprises the following steps that in the running process of a vehicle, when a steering wheel rotates, and the rotating direction faces towards the outer side of a lane, data of the vehicle steering wheel rotation angle theta, the wheel speed v of inner side steering wheels and the distance L1 between the inner side steering wheels and a lane line at present are obtained; the lateral displacement L2 of the inner side steering wheels within a preset time duration delta t based on the steering wheel rotation angle theta and the wheel speed v is calculated; if L2>=L1, and the time duration when the steering wheel rotating direction faces towards the outer side of the lane is greater or equal to the delta t, a steering lamp is started; if L2<L1, or the time duration when the steering wheel rotating direction faces towards the outer side of the lane is less than the delta t, the steering lamp is not started. The start time of the steering lamp can be accurately judged through the automatic steering lamp control method and system.

The invention discloses a lane-level traffic guidance method and system based on an internet of vehicles, and the method comprises the steps: collecting vehicle driving data, and extracting effectivefield information in the vehicle driving data; constructing a basic road network by taking the intersections as nodes and taking road sections among the intersections as connecting lines, wherein theroad section contains lane information; carrying out Link division on road sections in the basic road network to form a divided road network; calculating lane-level travel time according to the driving data and the divided road network; calculating predicted lane-level travel time of each time interval according to the historical travel data and the lane-level travel time; and calculating vehicleshortest travel time between OD points according to the predicted lane-level travel time, and determining the shortest path corresponding to the vehicle shortest travel time as a guidance planning path. According to the invention, the defects of a traditional guidance mode are overcome, and more accurate, safer and more reliable traffic guidance service is provided for travelers.

The invention provides a method for manufacturing a brake drum for an automobile, which relates to a method for manufacturing a brake drum which is a part of an automobile. The brake drum uses a hollow circular drum which is made of gray cast iron HT250 as a brake sleeve of an inner lining, and an outer sleeve which is made of ductile cast iron QT450-15 is tightly coated outside the brake sleeve. The method for manufacturing the brake drum comprises the following steps: firstly, processing the brake sleeve; putting the brake sleeve into a casting forming cavity of an outer sleeve casting mold; and then, casting the outer sleeve by thermal inlaying and casting technology. An annular groove is formed at the upper part of the side surface outside the brake sleeve, and a plurality of convex longitudinal strengthening ribs are arranged at the lower part. The invention has the advantages that the brake drum is made of two kinds of materials and takes respective advantages of the materials, thereby effectively solving the problems of easy cracking and each loss of the brake drum, prolonging the service life of the brake drum by 80-300%, and greatly improving the safety coefficient of the automobile in the running process.

The invention provides a safety assistant control system for an automobile. The safety assistant control system for the automobile comprises an automobile safety assistant control module and an EMS (Engine Management System), wherein the automobile safety assistant control module comprises an ASL (Active Speed Limitation) module and a signal processing communication module; the ASL module comprises an enabling / forbidding module, a speed setting module, a speed comparing module and an accelerator position comparing module; and the signal processing communication module serves as a communication interface between the ASL module and the EMS. The safety assistant control system for the automobile is used for efficiently restraining the overspeed phenomenon, reducing the overspeed caused by improper operation and increasing the safety factor of driving.

The present invention provides a vehicle screen flickering preventing method and device. The method comprises: a detection module detecting the flickering amplitude of a vehicle, and a zooming module scaling down the display frame on a vehicle screen according to the flickering amplitude, wherein a movable region is formed between the outer boundary of the display frame and the inner boundary of the vehicle screen; an acquisition module acquiring the flickering direction, speed and movement amount of the vehicle; a calculation module calculating a compensation movement amount required by the display frame according to the flickering direction, speed and movement amount of the vehicle, wherein the compensation movement amount is used for offsetting flickering of the vehicle; and a frame moving module moving the display frame within the movable region according to the compensation movement amount. The vehicle screen flickering preventing method and device solve the technical problems that hidden dangers are caused to safe driving of a driver and the riding experience of passengers is degraded due to the fact that the screen of electronic equipment in the vehicle flickers along with the vehicle body in the running process of the vehicle at present.

This invention design carries on the railroad in many years frozen earth area, the road and in the project construction construction one kind of unidirectional heat conduction installment, it is by the thermal insulation material, the working substance carrier, the metal tube composes, the metal tube through the thermal insulation material and the working substance carrier nesting, encircles annular channel. Installs underground this installment level in in the certain position soil body; Using its unidirectional heat conduction performance, summer the external environment temperature is higher, the quantity of heat unceasingly spreads to in the soil body, this equipment may effectively prevent this part of thermal spreading to; Is lower in the winter external environment temperature, soil body unceasingly exothermic, flows through carrier the heavy working substance with the convection, enables lower part the soil body the quantity of heat to release. From this may effectively avoid many years frozen earth season activity the freezing and thawing to the roadbed and the project construction stable influence, causes on many years frozen earth the project construction stable establishment in a higher level.

The invention discloses an antiskid and abrasion resistant tire rubber composition. The antiskid and abrasion resistant tire rubber composition comprises the following components in parts by weight: 25-45 parts of butadiene rubber, 20-30 parts of natural rubber, 10-20 parts of ethylene-propylene-diene monomer rubber, 10-20 parts of high dispersive white carbon black, 20-30 parts of carbon black N330, 30-50 parts of carbon black N220, 1-5 parts of nano-zinc oxide, 2-4 parts of tackifying resin, 0.5-2 parts of anti-aging agent SP, 1-2 parts of anti-aging agent 4010 NA, 1-2 parts of anti-aging agent BLE, 3-8 parts of vulcanizing agent, 2-5 parts of sulfur, 0.5-2 parts of accelerant TBZTD-70, 1-2 parts of accelerant CZ, 2-4 parts of plasticizer DPDP, 3-6 parts of coupling reagent and 2-5 parts of aromatic oil. The antiskid and abrasion resistant tire rubber composition provided by the invention is excellent in wet grip, high in wet land driving safety factor, good in anti-abrasion performance and high in tire comprehensive using performance.

The invention discloses a ramp speed limit recognition method, which comprises steps: the speed limit sign information recognized from an acquired road image is obtained; based on the speed limit information, whether the speed limit information is ramp speed limit information is judged; if yes, the lane information, the route planning information, the traffic light information and the environmentinformation of the vehicle are obtained; according to the lane information, the route planning information, the traffic light information and the environment information, whether the vehicle enters aramp driving-in preparation state is judged; and if the vehicle is determined to enter the ramp driving-in preparation state, based on the ramp speed limit information, a speed limit value of the vehicle is determined and prompted. According to the method and the device provided in the invention, the correct recognition rate of the ramp speed limit recognition scheme can be improved, missed reportand error report risks can be reduced, and the driving experience of a driver can be improved. When the vehicle is overspeed after entering the ramp, the vehicle speed is limited below the ramp speedlimit, and the driving safety factor of the vehicle is improved.

The invention provides a braking state attention device and a vehicle. The braking state attention device comprises a braking pedal, a braking lamp assembly, a detection unit and a control unit, wherein the braking lamp assembly can display a plurality of lamplight states, the detection unit is used for detecting braking strokes of the braking pedal, and the control unit is used for controlling the braking lamp assembly to display corresponding lamplight states according to the braking stroke, detected by the detection unit, of the braking pedal. The control unit is respectively connected with the detection unit and the braking lamp assembly. The braking state attention device is simple in structure and capable of effectively reminding a rear-vehicle driver of the braking state of the vehicle, therefore, the rear-vehicle driver can make braking pre-judgment in advance according to the lamplight state of the braking lamp assembly of the vehicle, rear-end collision caused by emergency braking of the vehicle is avoided, a traveling safety coefficient is improved, and traffic accidents are reduced.

The invention provides a vehicle-mounted communication device and a method thereof. The device comprises a main controller, and a timer, a memory, a man-machine interaction interface module, an audio effect processing module and a Bluetooth module connected with the main controller, wherein the Bluetooth module is also connected with a microphone; the audio effect processing module is also connected with a loudspeaker; the Bluetooth module is used for carrying out wireless communication with a mobile terminal; the timer is used for recording the ringing time length of an incoming call, and interruption is generated when the incoming call ringing time length achieves a preset value; the memory is used for storing automatic reply voice files; the controller is used for carrying out unified control and management on the device; the audio effect processing module is used for processing audio data; and the loudspeaker is used for playing an audio file. The method of the invention adopts an automatic reply strategy and a reminding mechanism, subjective concerns of a user are eliminated, the user driving communication safety can be further ensured, and the practical significance is high.

The invention relates to a vehicle emergency super braking device. A brake shaft is arranged near the front / rear axle of a vehicle and particularly on the bearings connected with the front / rear axle, is parallel to the front / rear axle and is fixed with a brake leg, the brake leg part is fixedly connected with a brake foot and a brake steel spade separately; and the brake shaft is connected with a power mechanism. The device has good emergency braking effect for the vehicle on common roads, in particular slippery roads with ice, snow, oil, water and the like, and the braking method of the emergency braking device is different from the traditional emergency method in that an independent braking device is arranged near the front / rear axle of the vehicle. The road surface friction effects of the brake foot and brake spade are better than the friction effect of tyres, when the emergency braking is carried out, three brakes (survival brake), namely the main (original) brake, the brake foot and the ice brake, are all used for braking so that the braking effect is effectively increased, the braking path is reduced by 30%-80%; in addition, the performance is stable, the accidents caused by poor braking are decreased, the travel safety coefficient is increased, and the method is simple and practical.

The invention discloses a driver monitoring method and system for driving safety guarantee and accident liability fixation. The method comprises the following steps of: step 1: collecting natural human body feature data of a target driver by using a human body monitoring device; step 2: numbering the driver and performing personal identification; step 3: comparing the natural human body feature data of the target driver collected by the human body monitoring device in rear time with pre-stored natural human body feature data indexes; and step 4: performing real-time scheduling of a train according to comparison results. A target driver personal identification mechanism is introduced for the first time in train operation monitoring, wearing equipment and a Kinect sensor are used for collecting the natural human body features of the target driver, and a data flow is formed: and by matching the natural human body feature data, the whole-process monitoring, recording and analysis of the natural human body features of the train driver can be achieved, and a solid foundation is provided for driving safety guarantee as well as cause analysis and liability fixation of train accidents.

The invention discloses an antiskid wear-resistant tire composition and a preparation method thereof. The antiskid wear-resistant tire composition is prepared from the following raw materials in parts by mass: 14-16 parts of silicon rubber, 12-18 parts of ethylene propylene diene monomer rubber, 4-8 parts of polyvinyl chloride, 2-5 parts of lead phosphite, 16-20 parts of hydrogenated butadiene-acrylonitrile rubber, 1-2 parts of rubber vulcanizer, 10-20 parts of high-dispersity white carbon black, 1-5 parts of nano zinc oxide, 5-7 parts of coupling agent, 4-6 parts of tackifying resin, 1-2 parts of accelerator NOBS, 0.5-1 part of accelerator CZ, 2-5 parts of aromatic oil and 1.3-2 parts of anti-aging agent H. The preparation method comprises the following steps of compounding, rubber sheet cooling, weight compounding and the like. The tire prepared from the composition has favorable wet grip ability, favorable dry grip ability and favorable wear resistance.

The invention discloses an early warning device of a vehicle based on binocular panoramic stereoscopic vision, and relates to the field of intelligent driving. The early warning device comprises an external collection device and an internal control device. The external collection device collects panoramic stereoscopic images around the vehicle through three binocular stereoscopic cameras with horizontal visual angles and same included angles, the images are processed by a central processing unit of the internal control device, image splicing, environment recognition and speed detection and judgment are achieved, and an alarm device gives out early warning. According to the early warning device, a vision-based sensing technology is adopted, the data is easy to obtain, and the information amount is large; meanwhile, due to the adoption of a single sensing technology, the complexity of the system is reduced, and therefore the cost is reduced; meanwhile, real-time early warning on potential danger of the vehicle is achieved, and the driving level of the intelligent vehicle is further increased.

The invention relates to a far-infrared pedestrian detection method based on distinctive features. According to the invention, for an acquired far-infrared image, two distinctive features are found out, wherein two distinctive features comprise a highlight feature corresponding to a human head and a torso perpendicular feature corresponding to a human body; two regions are found out and fused to acquire an interested region; a gradient direction histogram feature is extracted from the interested region; a trained linear support vector machine is used to carry out pedestrian detection; at different temperatures, a pedestrian region can be accurately and efficiently extracted; fast and robust pedestrian detection is realized; and the driving safety factor of a driver at night, in a harsh environment and in the case of low visibility is improved.

The invention discloses an overtaking early-warning control method based on fuzzy control and a corresponding system, wherein the overtaking early-warning control method based on the fuzzy control comprises: obtaining a steering switch state and a distance value between a vehicle and a vehicle at the right front of the vehicle as an input quantity; computing according to a preset first membership function table to obtain a fuzzy input quantity T according to the steering switch state, and computing according to a preset second membership function table to obtain a fuzzy input quantity L according to the distance value; searching a preset fuzzy control rule table according to the fuzzy input quantities L and T to obtain an accurate control quantity; and determining whether to perform an overtaking pre-warning or not according to the accurate control quantity. By utilizing the overtaking early-warning control method and system based on the fuzzy control, a left turn signal light is automatically turned on in advance during overtaking, the overtaking without turning on the left turn signal light due to a bad driving habit of a driver is avoided, and the traffic safety factor is improved.

The invention provides a system and method for automatically controlling an air conditioner. According to a collected human body temperature signal and a collected automobile internal temperature signal, whether an air conditioner temperature set value and an air conditioner cooling or heating mode satisfy a preset requirement or not is judged. When the requirement is not satisfied, the temperature of the air conditioner is correspondingly controlled and adjusted and the air conditioner cooling or heating mode is correspondingly controlled and adjusted, so that full automatic control over the air conditioner is achieved, the frequency of operation to the air conditioner by a driver is reduced, the driving safety coefficients are increased, and the good user experience is achieved.

The motor vehicle is equipped with road condition and road mark detecting unit and speed limiter. The road condition and road mark information detecting unit detects is processed in data center so as to produce phonetic or graphic warning signal to prompt the driver and to produce signal to limit the speed of the vehicle or brake the vehicle. The present invention can raise greatly the safety coefficient of the driving and avoid road accident.