160results about How to "Avoid in time" patented technology

The invention provides an Internet of Vehicles communication control method and an Internet of Vehicles communication control device. The Internet of Vehicles communication control method comprises steps that a road side unit RSU is used to receive first instruction information, which is used to instruct the RSU to start or stop transmitting V2X messages; the RSU is used to respond to the first instruction information to start or stop the transmitting of the V2X messages. A problem of large communication power consumption caused by inability of reasonably controlling the communication process of the Internet of Vehicles is solved.

The invention provides an automatic height fixing control method for an unmanned spacecraft operation based on a two-dimensional laser scanner. The adopted technical scheme, by which a problem is solved, is as follows: arranging the two-dimensional laser scanner on an unmanned spacecraft airframe, irradiating and scanning the area in front of the airframe to obtain a height from the airframe to the ground and topographic scan data; leading-in data obtained by the laser scanner into an embedded control panel in real time to perform related computation, calculating whether a collision possibility or a dangerous obstacle exists in a flight direction combining with airframe posture angle data transmitted from an airframe inertial posture measurement unit; making the embedded control panel send a climbing command to a flight controller if a calculated result proves that a collision hidden danger exists in front of the spacecraft. The automatic height fixing control method of the invention has beneficial effects that the unmanned spacecraft has a certain capability of perceiving the ground, is capable of detecting the collision hidden danger from the ground when performing a low-altitude operation, and ensures that the unmanned spacecraft can take measures in time to escape from the obstacle.

The invention provides a dangerous road section analysis method and a dangerous road section analysis device. The method comprises the steps of receiving driving data uploaded by multiple vehicles, analyzing the driving data and confirming a road section as a dangerous road section if the number of vehicles suffering from a sudden driving condition on the road section exceeds a preset threshold, and sending prompt information to vehicles entering or driving to the dangerous road section. By adopting the method and the device of the invention, a dangerous road section can be confirmed automatically, and passing vehicles can be reminded in time.

The invention relates to the field of traffic safety management, in particular to a safety prewarning system for road operating personnel. A road situation monitoring device of the safety prewarning system performs information collection on vehicles entering a detection range to obtain the coordinate information of the corresponding vehicles; if the vehicle enters an operation area to possibly affect the safety of the operating personnel in the operation area, a judgment module sends a warning signal to an execution module, and a boundary warning device indicates a boundary of the operation area according to the warning signal sent out from the execution module to warn a vehicle driver to decelerate and avoid the operation area; if the vehicle enters the operation area, the judgment modulesends the warning signal to the execution module to give an alarm to the operating personnel in the operation area so as to take response measures in time, so that a situation that the operating personnel are injured is reduced; the safety of construction operation is improved; and a traffic accident possibility is reduced.

The invention provides an AR projection system and projection method used for safe driving of a vehicle. The system comprises a radar assembly, an infrared thermal imaging sensor assembly, an augmented reality control center and a holographic projection device. The radar assembly and the infrared thermal imaging sensor assembly are used for acquiring distance, heat and shape information of objects before the vehicle. The augmented reality control center is connected with the radar assembly and the infrared thermal imaging sensor assembly and used for generating a real-time 3D map and determining the nature of objects. The nature of the 3D map and the objects are combined for generating virtual image data with a prompt message. The holographic projection device is connected with the augmented reality control center and used for generating corresponding projection rays according to virtual image data and irradiating the projection rays before the vehicle. Virtual images with the safety instruction information are projected to corresponding objects. The AR projection system and projection method used for safe driving of the vehicle have the following beneficial effects: AR technology and holographic projection technology are utilized for directly projecting the virtual images with the safety instruction information before the vehicle, which helps a user drive within the range of safe distance and vehicle speed; and the AR projection system and projection method are especially adapted to nights, rainy snowy and smog days.

The invention discloses an intelligent road line supplementation system based on unmanned aerial vehicle cooperation and a method thereof. The intelligent road line supplementation system comprises an unmanned aerial vehicle, a connecting device and a line drawing mechanism. The unmanned aerial vehicle is connected with the connecting device through an iron chain and provided with a camera device and a navigation device. The line drawing mechanism comprises a processor, a sign line extraction device, a positioning device, a spraying device and a drive device. The processor is connected with the unmanned aerial vehicle, the navigation device, the sign line extraction device, the positioning device and the drive device. The camera device is connected with the sign line extraction device. The drive device is connected with the spraying device and used for driving the spraying device for line drawing. A laser range finder and a radar speed detector are arranged in front of the line drawing mechanism and connected with the processor. The laser range finer is used for detecting the distance between a front obstacle and the line drawing mechanism. The radar speed detector is used for detecting the incoming speed of the front obstacle. The bottom of the line drawing mechanism is provided with wheels and wheel brackets. The wheels and the wheel brackets are connected with the drive device.

The invention discloses an intelligent logistics cart which comprises a cart body and wheels arranged below the cart body. The cart body is provided with a motor for driving the wheels, a wheel steering engine for changing the wheel direction, a steering engine power supply battery and a central control unit. The central control unit feeds steering signals to the wheel steering engine, the front end of the cart body is provided with an obstacle avoidance module and a tracking module, an infrared detection device on the obstacle avoidance module measures the distance of an obstacle in front andtransmits measuring data to the central control unit, the tracking module detects a navigation black line on a floor and inputs data of the distance between the cart body and the navigation black line into the central control unit, the cart body is further provided with a six-freedom-degree mechanical arm and a mechanical arm power supply voltage stabilizing module, and the side face of the cartbody is provided with a carrier table.

The invention discloses a vehicle travelling control method and a vehicle travelling control device, and belongs to the field of intelligent driving. The method comprises the following steps of in the travelling process of a vehicle, monitoring whether a barrier exists in the travelling environment of the vehicle or not; if the barrier exists in the travelling environment of the vehicle, obtaining characteristic parameters of the barrier, wherein the characteristic parameters are used for representing the physical characteristics of the barrier; and according to the characteristic parameters of the barrier, controlling the vehicle to travel. According to the vehicle travelling control method and the vehicle travelling control device disclosed by the invention, the problem that when the light of the driving environment is dark, the driving safety is low is solved, and the effect of improving the driving safety is achieved. The vehicle travelling control method and the vehicle travelling control device disclosed by the invention are used for the controlling the travelling of vehicles.

The invention discloses a full-automatic unmanned aerial vehicle system. The full-automatic unmanned aerial vehicle system comprises an unmanned aerial vehicle, a base station and a dispatching center; a first battery, a first control module, a first communication module and a first positioning module are arranged in the unmanned aerial vehicle; a cover plate is arranged on the base station; a take-off and landing platform, an unmanned aerial vehicle fixing jaw, a second communication module, a second positioning module, a second control device and a second power supply are arranged in the base station; and the dispatching center is provided with a third control module, a display screen, a third power supply and a third communication module. By arranging the base station and the dispatching center, the unmanned aerial vehicle can automatically take off, fly and land, and can accurately fall back to the idle base station nearest to the unmanned aerial vehicle; the intelligent degree is high, an operator does not need to held a remote control device in hand to operate, and the labor cost is solved; and meanwhile, the personal safety of the operator is guaranteed, particularly in some severe environments.

The invention discloses an obstacle avoidance method and device for a robot, a medium and a terminal. The obstacle avoidance method comprises the following steps: acquiring actual coordinates of an obstacle; mapping the actual coordinates of the obstacle to a robot coordinate system to generate obstacle conversion coordinates; establishing a two-dimensional plane map overlapped with the robot coordinate system, marking all obstacle conversion coordinates into the two-dimensional plane map to generate an obstacle map, and marking the distance between each coordinate point of the obstacle map and the nearest obstacle; and calculating a target obstacle avoidance route according to the distance information of the obstacle map, and sending the target obstacle avoidance route to a control moduleof the robot so as to drive the robot to move according to the target obstacle avoidance route. The method has the advantages of being suitable for various sensors and highly adapted to scene change.

The invention discloses an intelligent zebra crossing. The intelligent zebra crossing comprises infrared detectors, pressure sensors, a zebra crossing body and indicator lamps and is characterized in that one infrared detector used for sensing pedestrians is arranged on the lower portion of the lamp post of each indicator lamp, the bar-shaped pressure sensors are embedded into the zebra crossing body, and a plurality rows of floor lamps are further arranged on grounds on two sides of the zebra crossing body. The intelligent zebra crossing has the advantages that the zebra crossing can emit light when the pedestrians walks on the zebra crossing at night, places, where the pedestrians step on, of the zebra crossing can emit red light, sufficient prompt is provided for a driver driving at night, and the driver can distinguish the parts, with the pedestrians, of the zebra crossing and timely avoid the parts.

The invention relates to a blind guide crutch based on ultrasonic ranging, and relates to the field of blind guide crutches, aiming at solving the problem that a blind person is easily injured by being hit by a passerby by mistake since a traditional blind guide crutch has an effect of reminding the blind person only without a reminding effect on the passerby. The blind guide crutch based on the ultrasonic ranging comprises a crutch rod, an ultrasonic ranging module, a singlechip and an alarm circuit, wherein the ultrasonic ranging module, the singlechip and the alarm circuit are all fixed on the crutch rod; the ultrasonic ranging module is fixed at the front part of the crutch rod and is 160-220 mm away from the tail end of the lower part of the crutch rod; a part used for identifying a direction is arranged on the top of the upper end of the crutch rod; the signal end of the ultrasonic ranging module is connected with the distance detection signal end of the singlechip; the alarm signal output end of the singlechip is connected with the alarm control signal input end of the alarm circuit. The blind guide crutch disclosed by the invention is suitable for reminding the passerby and the blind person when the blind person walks.

The invention discloses a cavity / barrier detection walking stick for blind people, and belongs to the technical field of articles for daily use. The cavity / barrier detection walking stick comprises a handle and a stick body, wherein the lower part of the stick body is provided with an ultrasonic detection alarm device; the ultrasonic detection alarm device comprises a control processor, an ultrasonic sensor, a voice alarm module and a power supply circuit; the lower end of the stick body is connected with a substrate; the substrate is connected with at least three supporting legs which are supported on the ground; the ultrasonic sensor is arranged in front of the substrate by a preset angle; the control processor, the voice alarm module and the power supply circuit are arranged on a circuit board; the circuit board is fixedly arranged under the substrate. The control processor is used for computing and analyzing the road condition according to ultrasonic data transmitted by the ultrasonic sensor, then controlling the voice alarm module to work and reminding the blind people to steer away from the barrier and the cavity, so that the waling safety of the blind people is ensured.

The invention provides an infrared induction hat for the blind. The infrared induction hat for the blind comprises a hat body and a hat brim which are sequentially connected, the front end of the hat body is provided with a horn, the left side and the right side of the horn are provided with ultrasonic probes respectively, the top end of the hat body is provided with a solar panel, the center of the solar panel is provided with a host, the two sides of the hat body are provided with earpieces, the earpieces are connected to lenses, the eyeglasses are connected to an eyeglasses frame, and infrared probes are arranged on the eyeglasses. The infrared induction hat for the blind can help the blind to know the road condition ahead in advance, when the blind walks or crosses a road, the hat which is just like the eyes of the blind can send out an alarm about objects ahead, and therefore the blind can easily know that the objects exist ahead and avoid the objects in time.

The present invention discloses a real-time acquisition method for an early warning range applicable to a low-altitude drone. The method comprises: generating a UAV circumscribed ball according to a drone size parameter, and determining a ball diameter; constructing a UAV area model, and arbitrarily selecting a point in a three-dimensional space as the coordinate origin to establish a space rectangular coordinate system; performing real-time acquisition on a current communication loopback delay between the drone and a control server, a wind speed vector of the drone position, a real-time flight speed vector of the drone, and maneuverability parameters of the drone, and calculating the maximum moving distance of the UAV area model in all directions of the space rectangular coordinate systemin the current communication loopback delay; and combined with the UAV area model, the position information of the UAV area model and the maximum moving distance in all directions, obtaining a real-time early warning range of the drone. According to the method provided by the present invention, a real-time early warning range can be generated reasonably, and the operating efficiency of the dronecan be improved as much as possible while ensuring that the collision risk meets the risk level requirement.

The invention discloses a road isolation fence for buffering and warning. Isolation pile, a warning lamp is mounted at the top of the isolation pile; two square grooves are symmetrically formed in theside wall of the isolation pile, an air bag is glued to the side wall of the isolation pile, an induction cavity is formed in the isolation pile, the induction cavity is communicated with the two square grooves, a storage box is fixedly arranged on the side, close to the induction cavity, of each square groove, and a circuit box is fixedly installed in the middle of the induction cavity. Rigid collision between a vehicle and the isolation pile is converted into elastic collision between the vehicle and the air bag when an accident occurs, so that the impact force between the vehicle and the air bag is reduced, the buffer to the vehicle is increased, the protection effect of the isolation pile is improved, and the isolation pile can be prevented from being seriously damaged; after collision, the warning lamps on the isolation piles automatically emit light and can be kept for a certain period of time, so that other drivers are reminded to avoid accident vehicles in time, and chain traffic accidents and rear-end collisions are reduced.

The invention discloses a fatigue driving monitoring system and method based on brain waves. The monitoring system comprises a head-wearing brain wave signal collection device, a brain wave analyzer and a warning controller; the head-wearing brain wave signal collection device comprises multiple groups of electrode sensors, the brain wave analyzer comprises a pre-amplifier circuit, a band-pass filter circuit, an A / D conversion circuit and a main control chip, and the main control chip is connected with the warning controller. The monitoring method comprises the following steps that 1, brain wave signals are collected; 2, the signals are amplified and then subjected to filter processing; 3, all paths of the brain wave signals are combined into one path; 4, the combined signals are subjected to A / D conversion and then input into the main control chip; 5, the main control chip judges that a driver is in a fatigue driving state, and a warning signal is sent to the warning controller. Accordingly, fatigue driving can be monitored accurately, the reliability is high, warning can be conducted on the driver and surrounding vehicles simultaneously, and the warning effect is better.

The invention discloses a method and a device for prompting drivers, which belong to the technical field of Internet of Vehicles. The method comprises the steps of: acquiring first position information and a first driving direction of a first vehicle at the present moment, and second position information and a second driving direction of a second vehicle at the present moment; acquiring third position information of an intersection of the first vehicle and the second vehicle according to the first position information, the first driving direction, the second position information and the second driving direction; acquiring a first driving speed and first driving acceleration of the first vehicle at the present moment, and a second driving speed and second driving acceleration of the second vehicle at the present moment; determining whether the first vehicle may collide with the second vehicle according to the first position information, the second position information, the third position information, the first driving speed, the first driving acceleration, the second driving speed and the second driving acceleration; and prompting the driver of the first vehicle and the driver of the second vehicle if the collision is possible.

The disclosure is a driving early warning method and device relating to the driving safety field. The method comprises: obtaining a vehicle picture in the driving process of a current vehicle, wherein the vehicle picture comprises the vehicles located within a certain range of the current vehicle; determining the brands and models of the vehicles according to the vehicle picture; obtaining the prices of the vehicles of the brands and models; comparing the prices of the vehicles of the brands and models with a set value; when the prices of the vehicles of the brands and models are more than or equal to the set value, outputting a warning signal. In the driving process of the current vehicle, through identifying the brands and models of the vehicles in the vehicle picture according to the vehicle picture and warning when the prices of the vehicles in the picture are more than or equal to the set value, a user can immediately avoid a luxury car in the driving process so as to avoid enormous property loss resulted from collision with the luxury car.

The invention discloses an information processing method, device and apparatus and a storage medium, and belongs to the technical field of communication. The method comprises the steps of acquiring information of a target vehicle and information of a road where the target vehicle is located, wherein the information of the target vehicle comprises position information of the target vehicle; determining the state of the target vehicle based on the information of the target vehicle and the information of the road where the target vehicle is located; and when the state of the target vehicle indicates that the target vehicle is a dangerous vehicle, acquiring information of a first object in a first reference range where the target vehicle is located based on the position information of the target vehicle, and sending alarm information to the first object. When the state of the target vehicle indicates that the vehicle is a dangerous vehicle, the alarm information is sent to the first object in the first reference range of the dangerous vehicle. The information processing mode is flexible. An application range of the information is wide. The first object can avoid the dangerous vehicle in time, traffic accidents are reduced. The road driving safety is improved.

The invention discloses a pipe gallery transporting system and a control method thereof, relates to the technical field of the pipe gallery transportation, and is invented to solve a problem that thesafe and efficient transportation cannot be realized better by the current pipe gallery transporting system. The pipe gallery transporting system comprises multiple automatic guiding transporters; a transportation starting point and a transportation terminal point positioned in a pipe gallery; a transportation lane, wherein the transportation lane is connected between the transportation starting point and the transportation terminal point; at least one avoidance lane, wherein the at least one avoidance lane is connected with the transportation lane, and alternately installed along an extendingdirection of the transportation lane; and an upper computer control system, wherein while two automatic guiding transporters are driven in an opposite direction along the transportation lane, and thedistance between the two automatic guiding transporters is less than or equal to a preset distance L, the upper computer control system can control the automatic guiding transporter in the low priority to enter the avoidance lane, so as to avoid the automatic guiding transporter in the high priority. The pipe gallery transporting system can be used for transporting sulfur hexafluoride gas bottlesand the like in the pipe gallery.

The invention provides a reminding method and a vehicle. The method comprises the steps that if the situation that a vehicle door is opened is detected, a current opening state of the vehicle door isdetected; a target projection angle associated with the current opening state of the vehicle door is determined; and a light ray projection angle of a light ray projection assembly is adjusted to thetarget projection angle, the light ray projection assembly is controlled to project a light ray so as to form a reminding pattern outside of the vehicle. According to the reminding method, when the vehicle door of the vehicle is opened, the light ray projection assembly can be controlled to project the reminding pattern outside of the vehicle according to the opening state of the vehicle door, sothat pedestrians or other vehicles are reminded of avoiding timely through the reminding pattern, and safety of the vehicle is improved.

An RFID-based high-precision positioning system in a train tunnel comprises a multi-mode GNSS receiver, an inertial measurement unit, a data processing unit, RFID tags, an RFID card reader, and a train position information monitoring system. The RFID-based high-precision positioning system in the train tunnel provided by the invention has the advantages that precise train position information canbe output uninterruptedly, and the applicability to a high-speed train with a speed of 350 km per hour is achieved.

The present invention discloses a traffic data collection and processing system. The system comprises: a sensing module distributed on a measured road and capable of measuring road meteorological information; a processing center capable of receiving measurement data transmitted by the sensing module and a traffic volume module; and a server connected with the processing center to each other and capable of receiving traffic data transmitted from the processing center, distinguishing the data, transmitting the early warning information to an early warning module through the processing center andtransmitting real-time road conditions to a command center and a communication device. The traffic data collection and processing system and the control method thereof can perform timely understanding of the road capacity, can allow travelers to timely plan a traveling path and can avoid excessive traffic jamming, and moreover, the traffic command center understands the road capacity to timely perform avoidance of some emergency circumstances, timely adopt defensive measures and command means and reduce the disasters caused by traffic inconvenience.

The invention relates to agricultural plough equipment, in particular to a hydraulic mounted plough. The hydraulic mounted plough comprises a lifting oil cylinder, an automatic lifting device, a traction support, a plough share support and plough share devices. The front end of the traction support is hinged to the tail of a locomotive, and the rear end of the traction support is connected with the plough share support. The automatic lifting device is hinged to the traction support, and one end of the automatic lifting device is hinged to the output end of the lifting oil cylinder. The multiple plough share devices are detachably installed on the plough share support, and the traction support, the plough share support and the plough share devices are driven by the lifting oil cylinder to integrally ascend or descend. The plough share devices are hinged to the plough share support through adjusting support arms, the adjusting support arms are hinged to the output ends of support arm adjusting oil cylinders installed on the plough share support, and the distance between the plough share devices is adjusted through driving of the support arm adjusting oil cylinders. The hydraulic mounted plough is simple in structure and convenient to operate and achieves the purposes of automatically adjusting the row spacing and avoiding obstacles.

The invention discloses a stamping mold and a workpiece positioning device thereof. The workpiece positioning device comprises a mounting support which is fixed on a lower mold base, the mounting support comprises a mounting plate which is obviously arranged, a fixed part of a telescopic cylinder is fixedly connected with the mounting plate, and a positioning plate is mounted at a telescopic part of the telescopic cylinder; the positioning plate comprises a telescopic cylinder connecting section and a positioning component connecting section, the telescopic part of the telescopic cylinder is mounted at the telescopic cylinder connecting section, a positioning component is mounted at the tail end of the positioning component connecting section, the positioning component connecting section is horizontally arranged, and a preset obtuse angle is formed between the telescopic cylinder connecting section and the positioning component connecting section. Thus, due to the arrangement of the positioning plate with a bent structure, when the telescopic cylinder expands and contracts in an oblique direction, the horizontal motion of the positioning component can also be ensured. Compared with the prior art, the use of a complex four-link structure is avoided, the structure of the positioning device is further simplified, the volume is reduced, the production cost is further reduced, and the waste of space of the mold is avoided.

The invention provides an umbrella for an infant, used for sheltering the wind and the rain for the infant. The umbrella comprises a sheltering unit, a sensing unit and a control unit, wherein the sheltering unit is provided with an umbrella stand, rain-sheltering umbrella cloth fixedly arranged on the umbrella stand, an umbrella pillar fixedly arranged at the lower end of the umbrella stand, andan umbrella handle arranged at the lower end of the umbrella pillar, the sensing unit is fixedly arranged on the umbrella pillar, and is provided with an ultrasonic detection sensor used for detectingobstacle information and generating an obstacle detection signal, the control unit is provided with a storage battery, a single chip microcomputer, and a broadcasting device used for carrying out voice broadcast, the single chip microcomputer generates an obstacle broadcasting instruction according to the obstacle detection signal and sends the obstacle broadcasting instruction to the broadcasting device, and the broadcasting device carries out voice broadcast according to the obstacle broadcasting instruction. The ultrasonic detection sensor, the broadcasting device and the single chip microcomputer are electrically connected with the storage battery. The ultrasonic detection sensor and the broadcasting device are electrically connected with the storage battery and are in communication connection with the single chip microcomputer.

The invention relates to the technical field of crutches, in particular to a multifunctional intelligent blind person crutch. The crutch consists of a top hand part, a middle function operation part and a lower obstacle measuring part, wherein the top hand part is provided with a night light switch and an emergency call button; the middle function operation part has the functions of pulse measurement, camera vision detection and GPS positioning; the lower obstacle measuring part is provided with an ultrasonic obstacle measuring device and has the functions of vision detection, pulse detection, ultrasonic obstacle measurement and emergency call. The multifunctional intelligent blind person crutch provided by the invention has the advantages that as the vision detection is combined with the crutch, the ability to detect an obstacle is improved, so that a blind person walks more safely; as a pulse detecting device is arranged, when the medical conditions of the blind person appear, an alarm can be sent out to remind; the distance between the obstacle and the blind person can be accurately detected through the ultrasonic obstacle measurement, and a sound is produced to remind the blind person to timely avoid, so that the daily travel of the blind person can be better helped; the multifunctional intelligent blind person crutch has the advantage of being strong in practicability.