261 results about "Accident avoidance" patented technology

System and method for preventing vehicle accidents in which GPS ranging signals relating to a host vehicle's position on a roadway on a surface of the earth are received on a first communication link from a network of satellites and DGPS auxiliary range correction signals for correcting propagation delay errors in the GPS ranging signals are received on a second communication link from a station or satellite. The host vehicle's position on a roadway on a surface of the earth is determined from the GPS, DGPS, and accurate map database signals with centimeter accuracy and communicated to other vehicles. The host vehicle receives position information from other vehicles and determines whether any other vehicle from which position information is received represents a collision threat to the host vehicle based on the position of the other vehicle relative to the roadway and the host vehicle. If so, a warning or vehicle control signal response to control the host vehicle's motion is generated to prevent a collision with the other vehicle.

System and method for preventing vehicle accidents in which the absolute position of the vehicle is determined, e.g., using a satellite-based positioning system such as GPS, and the location of the vehicle relative to the edges of the roadway is then determined based on the absolute position of the vehicle and stored data relating to edges of roadways on which the vehicle may travel. A system or component within the vehicle is initiated, e.g., an alarm or warning system, or the operation of a system or component is affected, e.g., an automatic guidance system, if the location of the vehicle approaches close to an edge of the roadway or intersects with an edge of the roadway.

Method and system for preventing accidents between first and second vehicles includes a positioning system arranged in each vehicle for determining the absolute position thereof, a memory unit arranged in the first vehicle for storing data about travel lanes, a communication system for transmitting the position of the second vehicle to the first vehicle, a receiver system arranged in the first vehicle for receiving position information from the second vehicle, a processor coupled to the positioning system, the receiver system and the memory unit in the first vehicle for predicting a collision between the vehicles based on the position of the vehicles and travel lane data, and a reactive component arranged in the first vehicle and coupled to the processor. The reactive component is arranged to initiate an action or change its operation when a collision is predicted by the processor, e.g., sound or indicate an alarm.

Accident avoidance system for a host vehicle includes a global positioning system residing on the host vehicle for determining the host vehicle's location as the host vehicle travels based on signals received from one or more satellites, a map database having digital maps corresponding to an area including the location of the host vehicle as determined by the global positioning system, a vehicle-to-vehicle communication system residing on the host vehicle operative for receiving signals including location information acquired by global positioning systems residing on other vehicles directly from the other vehicles indicating the locations of the other vehicles, and a navigation system including a display residing on the host vehicle for displaying images to an occupant of the host vehicle showing the digital maps and indications of the locations of the host vehicle and the other vehicles on the digital maps. The navigation system also updates the images shown on the navigation system display to reflect changes in the locations of the host vehicle and the other vehicles.

Accident avoidance system for a host vehicle includes a global positioning system residing on the host vehicle for determining the host vehicle's location as the host vehicle travels based on signals received from one or more satellites, a map database having digital maps corresponding to an area including the location of the host vehicle as determined by the global positioning system, a vehicle-to-vehicle communication system residing on the host vehicle operative for receiving signals including location information acquired by global positioning systems residing on other vehicles directly from the other vehicles indicating the locations of the other vehicles, and a navigation system including a display residing on the host vehicle for displaying images to an occupant of the host vehicle showing the digital maps and indications of the locations of the host vehicle and the other vehicles on the digital maps. The navigation system also updates the images shown on the navigation system display to reflect changes in the locations of the host vehicle and the other vehicles.

Method and system for preventing accidents between first and second vehicles includes a positioning system arranged in each vehicle for determining the absolute position thereof, a memory unit arranged in the first vehicle for storing data about travel lanes, a communication system for transmitting the position of the second vehicle to the first vehicle, a receiver system arranged in the first vehicle for receiving position information from the second vehicle, a processor coupled to the positioning system, the receiver system and the memory unit in the first vehicle for predicting a collision between the vehicles based on the position of the vehicles and travel lane data, and a reactive component arranged in the first vehicle and coupled to the processor. The reactive component is arranged to initiate an action or change its operation when a collision is predicted by the processor, e.g., sound or indicate an alarm.

In order to enhance a safety system, in particular an accident avoidance system for a means of transportation, in particular a motor vehicle, having at least one steering system and at least one brake system in such a way that an avoidance maneuver initiated by the operator of the means of transportation when approaching an obstacle is supported with respect to both the device and the method, thus preventing an accident through collision, the evaluation unit determines at least one driving variation, in particular at least one avoidance trajectory and / or at least one automatic emergency braking action from the data and information and when or after the operator of the means of transportation initiates a driving maneuver, in particular an avoidance maneuver or an emergency braking maneuver, the safety system, in particular the evaluation unit specifies, supports and / or suggests this driving maneuver in an optimized form, in particular in the form of an optimal avoidance trajectory or in the form of an automatic emergency braking.

The invention provides a bearing fault characteristic extracting method for lifting wavelet transform based on self-adaptive fitting. The bearing fault characteristic extracting method is used for diagnosing faults of a rolling bearing through a vibration acceleration signal, and comprises the following steps of: creating nine wavelets with different characteristics through calculation formulas and lifting algorithms based on data fitting; carrying out redundant lifting wavelet transform on a vibration signal by using the nine created wavelets in sequence; determining the optimum and abandoning the other eight in nine groups of decomposition results according to a normalized 1P norm value; analyzing segmented power spectrums of the initial vibration acceleration signal; selecting the optimum low-frequency approximation signal or a high-frequency detail signal for single reconstruction; subjecting the signal obtained by the single reconstruction to Hilbert demodulation; and judging running state of the rolling bearing according to frequency components in an enveloping spectrum. According to invention, early weak fault characteristic information of the rolling bearing can be extracted more effectively, and evidences are provided for state monitoring and fault diagnosis of the rolling bearing, so that accidents can be avoided as possible.

A system and method are configured to provide a cost-effective runway monitoring tool that may be used by airports to aid in accident avoidance and investigation by generating and analyzing image data corresponding to runway areas and surfaces.

In one embodiment, the present invention is directed to a method to operate a host vehicle having a rearview camera vision sensor, and an electronic controller with memory. The method comprises the steps of determining whether the host vehicle is in reverse gear, activating a rearview camera vision sensor on said host vehicle to detect objects, determining host vehicle motion and path of travel, simultaneously determining an inter-frame difference metric and a histogram difference metric of the field of view of said rearview camera, determining a dynamic scene change, determining a collision threat assessment based upon said dynamic scene change, and activating warnings and collision avoidance moves,

The invention belongs to the field of traffic safety and intelligent traffic management control, in particular to a real-time estimating method for high-grade road traffic flow running risks. The real-time estimating method for the high-grade road traffic flow running risks considers the problem that a high-grade road short of fixed-point traffic flow collecting facility is incapable of acquiring the road traffic flow rate, occupancy and the like traffic parameters. The real-time estimating method for high-grade road traffic flow running risks includes that using traffic flow speed data acquired through different traffic information collecting technologies to build a real-time accident forecasting model, using a dynamic Bayesian network model to consider the speed state data of several time periods, building relationships between the traffic flow state and accident risks, and estimating the accident in real time so as to early warn or regulate a vehicle to avoid an accident. The real-time estimating method for the high-grade road traffic flow running risks has good forecasting precision for the high-grade road accident risks through speed data, and the real-time estimating method for the high-grade road traffic flow running risks has broad practical application value.

In order to enhance a safety system, in particular an accident avoidance system for a means of transportation, in particular a motor vehicle, having at least one steering system and at least one brake system in such a way that an avoidance maneuver initiated by the operator of the means of transportation when approaching an obstacle is supported with respect to both the device and the method, thus preventing an accident through collision, the evaluation unit determines at least one driving variation, in particular at least one avoidance trajectory and / or at least one automatic emergency braking action from the data and information and when or after the operator of the means of transportation initiates a driving maneuver, in particular an avoidance maneuver or an emergency braking maneuver, the safety system, in particular the evaluation unit specifies, supports and / or suggests this driving maneuver in an optimized form, in particular in the form of an optimal avoidance trajectory or in the form of an automatic emergency braking.

The invention discloses a method for issuing traffic accident avoidance information and a cloud server. The method comprises the steps that: the cloud server determines a severity level and an avoidance plan of an accident according to accident information reported by a vehicle; the length of an accident-affected road segment is determined according to an estimated processing time corresponding tothe severity level; and the cloud server sends accident avoidance information including the accident information, the avoidance plan and the estimated processing time to the vehicle in the corresponding range road segment according to the length of the accident-affected road segment. By applying the method and the cloud server, a more accurate warning of a traffic accident and more effective reminding can be provided for a driver, thus large-scale congestion, a secondary accident and the like caused by a small accident are avoided, and the traffic efficiency of an urban road is improved.

The invention belongs to the technical field of driver intention mode recognition and machine learning, and particularly relates to a driver lane changing intention recognition method based on a Gaussian mixture hidden Markov model. The lane changing driving intention recognition method based on the actual measurement data of the vehicle-mounted sensor comprises the steps that whether a driver hasa lane changing intention or not is judged by observing the action of a rearview mirror and the state of controlling a steering wheel of the driver, and meanwhile whether a lane changing requirementexists or not currently is judged by monitoring the current road condition state. According to the method, the driving intention most likely to be generated by the current driver is speculated based on the Gaussian mixture hidden Markov model, the burden of the driver can be relieved on the premise that safety is guaranteed, the comfort degree of the driver is improved, and if a dangerous situation occurs, handling can be conducted earlier to avoid accidents.

According to a method and the system for detecting a moving target object. According to the method and the system, the dynamic obstacles and the motion states of the dynamic obstacles can be accurately identified, so that accidents are avoided, and the safety is improved. The method comprises the steps of determining the optical flow information and the depth information of the image pixel pointsbased on multiple frames of images acquired at multiple acquisition moments; determining the motion information of image pixel points according to the optical flow information, the depth information and the motion information of the movable platform; and monitoring one or more moving target objects based on the motion information of the image pixel points.

The invention discloses an omnibearing running and parking assist system which is arranged on a vehicle, and comprises an image pick-up device, a display device and a controller, wherein the image pick-up device is arranged on the external top part of the vehicle, and comprises an infrared camera head at the top of the image pick-up device, a magnet chuck at the bottom of the image pick-up device, and a lifting rotary support device for connecting the infrared camera head and the magnet chuck; the display device is arranged in the vehicle, and connected with the image pick-up device; and the controller is in signal connection with the image pick-up device and the display device. The assist system disclosed by the invention has the advantages of having a great auxiliary function for vehicles when the vehicles are parked, started, crossed, and running on narrow roads and running during a peak traffic flow period. By using the assist system disclosed by the invention, the drivers can carry out 360-degree omnibearing observation on the running state of a vehicle from the upper part of the vehicle, therefore, the assist system offers a great help to the drivers, is especially suitable to be used by freshmen, and avoids the occurrence of accidents and losses.

The invention discloses a driving guiding early-warning system in an adverse weather for preventing a second traffic accident. A microcontrol processor makes a wireless signal with a specific frequency to vehicles in a certain range and simultaneously starts a sound-and-light alarm device outside the vehicle, thereby reminding prevention of the second traffic accident, and preventing an accident damage deteriorating effect. On the adverse conditions such as rain, snow, mist, haze and sand, road visibility information or road control information is received through an automatic receiving and transmitting system, wherein the road visibility information or road control information is transmitted by a road management department or a police traffic management department through a fixed or portable early-warning information device, thereby reminding a local driver of keeping the safe vehicle distance and vehicle speed, and transmitting vehicle speed and lane information to subsequent vehicles in the same direction. The subsequent vehicles in the same direction use the information as a guidance, and the information is passed for guiding the vehicle to keep a safe vehicle distance in a safe vehicle speed, thereby realizing ordered passing and preventing accidents.

The invention discloses a collision avoidance control method of an intelligent vehicle in an emergency. The emergency collision avoidance control method of the intelligent vehicle includes the steps:respectively comparing emergency braking safe distance db, safe distance ds needed in steering collision avoidance and safe distance d1 needed in synchronous braking and steering of the intelligent vehicle with distance sf between the intelligent vehicle and a front vehicle; and according to a comparative result and vehicle running status on an adjacent lane, adopting the optimum collision avoidance mode among four modes of first level braking, emergency braking, the steering collision avoidance and braking-steering coordination collision avoidance. The emergency collision avoidance control method of the intelligent vehicle can realize that the intelligent vehicle can avoid the front vehicle or a barrier in the emergency so as to prevent an accident from occurring, and greatly improves safety of a driver and passengers.

The invention discloses a test vehicle chassis main body mechanism for an unmanned vehicle and the vehicle chassis. The chassis main body mechanism has a trapezoidal profile; the chassis main body mechanism comprises a chassis main body and a trapezoidal chassis shell covering the upper surface of the chassis main body; the chassis main body is provided with a chassis support located below the center position on the inner surface of the chassis shell; the chassis shell is provided with a center plate arranged on the chassis support; four edges of the center plate are provided with first inclined plates arranged outwardly and downwardly; and a second inclined plate is arranged between two adjacent first inclined plates. Thus, when a certain degree of collision happens to the unmanned vehicle, the unmanned vehicle can drive over through an inclined surface where the first inclined plates and the second inclined plates of the test vehicle chassis and the ground surface present a certain angle, happening of accidents can be avoided, and the test safety is improved.

A method and apparatus for guiding a vehicle to intercept a target is described. The method iteratively estimates a time-to-go until target intercept and modifies an acceleration command based upon the revised time-to-go estimate. The time-to-go estimate depends upon the position, the velocity, and the actual or real time acceleration of both the vehicle and the target. By more accurately estimating the time-to-go, the method is especially useful for applications employing a warhead designed to detonate in close proximity to the target. The method may also be used in vehicle accident avoidance and vehicle guidance applications.

The invention provides a log processing method and device. According to a tracking identifier set in a log line of the log, transaction context extraction is carried out on the log, wherein the tracking identifier is arranged in a log line through a log printing function; the log events belonging to the same calling chain of the same transaction have the same tracking identifier; furthermore, theextracted transaction contexts are sorted according to the log line acquisition time of the log lines, and the transaction contexts in the logs are determined, so that the log contexts can be rapidlyextracted, and related personnel can conveniently perform problem positioning, analysis and the like based on the log contexts; a log event identifier can be set according to a log line of the log; and the occurrence frequency of the log event identified by the same target log event in the preset time period is obtained, and the log is analyzed and detected according to the occurrence frequency, for example, log abnormal event detection and active problem discovery are carried out, and potential safety hazards are solved in time, and reasons are prevented from being found after an accident happens, and losses are reduced.

The present invention provides for apparatus and related methods for alerting other people that are nearby to the automobile to dangerous driving conditions or accidents comprising. One exemplary embodiment of the present disclosure provides one or more sensors for an automobile that detect dangerous driving conditions or an automobile accident. The sensors communicate with a computer or microprocessor which communicates with one or more devices that release one or mores signals from the automobile to release the one or more signals. Releasing the one or more signals from the automobile alerts those nearby the automobile that there are dangerous driving conditions or an automobile accident allowing them to reduce their speed, change their driving behavior and potentially avoid accidents or significantly reduce the severity of any accident that they encounter. The present invention provides these and other vehicle safety advantages.

According to the invention, a method is provided for detecting objects from the vehicle environment of a vehicle, in which a plurality of signals, in particular electrical signals, suitable for signal processing, and which are generated from acoustic signals, are analysed relative to comparable features and, in the event of a potential collision of the vehicle with a detected object, a warning is emitted to the driver and / or the vehicle dynamics are actively acted upon and / or functions for reducing or avoiding a severe accident are activated. In the method according to the invention, for detecting at least one first object from the vehicle environment, acoustic signals are used from the vehicle environment, said signals impinging on the vehicle from at least one first predefined direction and comprising intrinsic noise generated by the vehicle, depending on the function, and / or external noise from the vehicle environment.

The invention belongs to the field of new energy vehicle fault pre-judgment, particularly relates to a vehicle fault pre-judgment system, method and device for an electric vehicle leasing operation platform, and aims to solve the problem. The system comprises: a fault diagnosis expert knowledge base which is used for storing expert experience data, experiment data and historical data; the information acquisition module that is used for acquiring platform vehicle operation data in real time; the fuzzy logic module that is used for carrying out structural knowledge expression on a fuzzy relationship between the vehicle fault symptoms and the fault causes to obtain a fuzzy rule base; and the fault reasoning module that is used for obtaining a vehicle fault pre-judgment result through a vehicle fault pre-judgment network based on the platform vehicle operation data and the data of the fault diagnosis expert knowledge base. According to the invention, possible faults of the electric vehiclecan be predicted and diagnosed, early warning is timely emitted, an employer is reminded of vehicle faults, accidents are avoided, the pre-judgment cost is low, and the accuracy and precision are high.

Described herein are customized, intelligent outerwear created through additive manufacturing and integrated with a plurality of sensors, actuators and other electronics to monitor user activity and provide various diagnostic and therapeutic capabilities. The outerwear is additively manufactured using a three-dimensional (“3D”) printer to provide for dynamic configurations of the sensors, actuators and other electronics depending on the specific needs of an individual. In addition to sensors for tracking motion, resistance, temperature and temporal features, the actuators may include piezoelectric components and microfluidic components to provide for therapeutic treatments, medical treatments and accident avoidance features. The combination of sensors and other electronics may also provide applications for monitoring overall health and growth.

The invention relates to a circulating stereo garage, and relates to the technical field of stereo garages. The circulating stereo garage comprises a main frame, a lifting transmission device, a control system and carrying trays; the carrying trays are pairwise arranged; suspension plates are arranged on chains; the main frame is provided with wire sliding systems and tray stabilizing systems; thewire sliding systems comprise collectors and electric conducting slide rails; the tray stabilizing systems are arranged on each tray, and comprise motors, worm and gear speed reducers and dip angle detectors; and the control system communicates with lifting transmission devices and the tray stabilizing systems. The trays are always maintained horizontal during operation without shaking and swinging, and are higher in operation speed and set width; two openings can be arranged on the garage front and back to achieve more convenient and quicker vehicle parking and taking; each tray can realizeelectrification to meet the charging demands of part of new energy vehicles; and when the inclined angles of the trays exceed a set value, the condition can be timely discovered for adjustment or stopprotection, so that accidents can be effectively prevented.

The invention relates to the field of fatigue driving intelligent detection, and particularly discloses a fatigue detection system based on multi-source information fusion and an operation method of the fatigue detection system. Deep feature extraction is carried out on an electroencephalogram signal graph of each time point in a plurality of time points through a convolutional neural network; carrying out global motion associated information extraction on the vehicle motion information at each time point by using a context-based encoder model, and further carrying out processing by periodic chaotic mapping so as to improve random distribution of high-dimensional features in the signal feature map; the improved feature distribution can expand the coverage range of a feature set, enhance the diversity of feature value positions, and improve the global optimization capability. In this way, whether the driver is in fatigue driving or not can be accurately detected, and then accidents are avoided.

The invention provides a photoelectric winding, which is used for a transformer from 0.1 kilovolt to 1100 kilovolt work voltage, a reactor, a cassette mechanism and an electric generator of the inductor, and a stator, a rotor, and the like, of an electric motor. The guide line of the photoelectric winding is photo copper wire or photo aluminum wire. The photoelectric winding transmits electrical energy, and can sense or transmit correlative information such as temperature or electric current or pressure, etc. The photo copper wire or the photo aluminum wire is manufactured by extruding opticalfiber or optical fiber bundle packed in electricity conducting metallic copper or aluminum billet. The photoelectric winding can sense and transmit correlative work condition information such as temperature, electric current, pressure, and the like, when the photoelectric winding works, therefore, the photoelectric winding leads power equipment to have a self-check alarming function, provides fundamental guarantee for the good operation of equipment and accident avoidance, is intellectualized electrical power telecommunication equipment, and has epoch-making meaning.

The invention discloses a wiring construction device for power equipment installation. The wiring construction device comprises a base, wherein a frame is installed on the base, four guide rods are externally sleeved with guide blocks, the four guide blocks are jointly and fixedly connected with a placement box, anti-falling self-locking pieces are arranged between the placement box and the four guide rods, a lifting mechanism is arranged between the four anti-falling self-locking pieces and the upper end of the frame, a sliding groove is formed in the bottom of the base, a sliding plate is slidably connected into the sliding groove, four universal wheels are installed at the bottom of the sliding plate, and a driving mechanism is arranged between the sliding plate and the inner top of the sliding groove. The wiring construction device is reasonable in structure, the base and the frame can be stably supported, the stability during working is guaranteed, meanwhile, the placement box can be prevented from shaking, stable installation of power equipment is guaranteed, the placement box has an anti-falling function, accidents can be effectively avoided, and economic losses are reduced.