33 results about "Major road" patented technology

Systems and methods are provided for prioritizing traffic information and broadcasting the traffic information in a prioritized order. The method generally comprises receiving data regarding traffic conditions on various roads, wherein each road can be characterized as being a major, medium, or minor road. In one approach, traffic data regarding major roads are broadcast to vehicles first, followed by traffic data regarding medium roads, while traffic data regarding minor roads are either broadcast last or not at all, depending on the traffic information handling capacities of the vehicles and the traffic information system in general.

The invention provides an aerial rescue response method based on an unmanned aerial vehicle. The invention discloses a method for treating natural disasters. The method comprises the following steps: in an initial stage of natural disasters, predicting the material demand of a disaster area affected area, determining the latitude and longitude coordinates of a demand point of the disaster area, determining a material putting place, and transporting disaster relief materials to the demand point of the disaster area by utilizing an unmanned aerial vehicle, thereby improving the initial rescue efficiency after natural disasters occur, and meeting the urgent demand of wounded personnel in the disaster area on medical materials at the initial stage after disasters; through flight path planning of the unmanned aerial vehicle, shooting main road traffic damage conditions, detecting disaster situations of a disaster area, feeding shot videos back to the emergency rescue command center so as to enable the emergency rescue command center to conveniently plan a ground rescue route and make a decision on an emergency scheme.

The invention discloses method and bridge for realizing the continuous passing of vehicles at level crossing by utilizing U-shaped rotary bridges. A pair of U-shaped rotary bridges are symmetrically arranged on two sides of a major road of the level crossing, are parallel symmetrical to the forward direction and the backward direction of the major road, and inclined upwards; an upper approach bridge and a lower approach bridge of the U-shaped rotary bridges respectively correspond to a straight lane on the outer side of the major road, the circular arcs at the bottoms of the U-shaped rotary bridges are foot bridges, the upper approach bridge and the lower approach bridge is heightened gradually to be connected with the foot bridges so as to form a three-dimensional U-shaped rotary bridge; the U-shaped rotary bridges are arranged on the major road, so that the grade crossing between running vehicles on the secondary main road and the vehicles on the major road can be avoided by the U-shaped rotary bridges, the continuous passing at the junction can be realized, and the problem that the vehicles can not turn left on a high level bridge can be solved; and the defects of large occupying space, high construction cost and long construction period caused by the continuous passing at the junction realized by the multi-layer spanning of an overpass can be solved.

Disclosed is a structure of a crossroad without traffic lights and a road dedicated for vehicle U-turn, which belongs to the field of urban road construction and is characterized in that: a main road insulation wall is arranged horizontally on a middle roadway of the main road near the crossroad, and the width of the main road insulation wall is the sum of the width of a main road middle insulation belt and the widths of four roadways; that U-turn roadways are disposed on both sides on the main road insulation wall, and the U-turn directions of the U-turn roadways of both sides are opposite; that a branch road insulation wall is arranged horizontally on a middle roadway of the branch road near the crossroad, and the width of the branch road insulation wall of is the sum of the width of a branch road middle insulation belt and the widths of four roadways; and that U-turn roadways are arranged on both sides of the branch road insulation wall, and the U-turn directions of the U-turn roadways on both sides are opposite. The structure can realize purposes of revoking traffic lights from crossroads of major road traffics of a city, can effectively improve utilization rate of roads and can effectively control the phenomenon of traffic jamming.

Some embodiments provide a navigation application with a novel declutter navigation mode. In some embodiments, the navigation application has a declutter control that when selected, directs the navigation application to simplify a navigation presentation by removing or de-emphasizing non-essential items that are displayed in the navigation presentation. In some embodiments, the declutter control is a mode-selecting control that allows the navigation presentation to toggle between normal first navigation presentation and a simplified second navigation presentation, which below is also referred to as a decluttered navigation presentation. During normal mode operation, the navigation presentation of some embodiments provides (1) a representation of the navigated route, (2) representations of the roads along the navigated route, (3) representation of major and minor roads that intersect or are near the navigated route, and (4) representations of buildings and other objects in the navigated scene. However, in the declutter mode, the navigation presentation of some embodiments provides a representation of the navigated route, while providing a de-emphasized presentation of the roads that intersect the navigated route or are near the navigated route. In some embodiments, the presentation shows the major roads that are not on the route with more emphasis than minor roads not on the route. Also, in some embodiments, the presentation fades out the minor roads not on the route more quickly than fading out the major roads not on the route.

The present application discloses a video-based main road cooperative signal machine control method, which includes: installation of video detectors at each intersection of the main road; data acquisition and communication of a single intersection; data acquisition and storage of multiple intersections; data processing of the main road coordination signal control; signal command release service and signal light control. The application adopts active video detection technology, which can accurately detect the traffic state of multiple intersections of the main road, formulate an optimized signal control scheme, provide optimal decision and emergency plan for the control of traffic light of the main road, improve the traffic efficiency of intersections and effectively alleviate traffic congestion on trunk roads.

A method for intelligent identification of urban area functions based on multi-source data fusion of the present invention includes: obtaining map data of the city, dividing the city into several urban areas according to the main roads; collecting interest information contained in each urban area from Internet websites Point metadata and text data are normalized; the trajectory data of taxis is collected and quantified; an unsupervised clustering model based on the Bayesian hierarchical model is established, and the model parameters are solved according to the variational inference method; each city The topic distribution of the region, and the correlation between each topic and various functions, and the most relevant urban functions of the topic with the highest probability are the main functions of the region; generate the most relevant city feature words for each function of the region. The method of the present invention integrates multi-source and multi-modal data, intelligently identifies and divides the functions of urban regions, and generates two interpretation methods of function distribution and urban characteristics from numerical and text forms, thereby enhancing the reliability and interpretability of urban region function identification .

The invention discloses a multi-fork intersection structure and an upper-road entry signal-control method. The upper-road entry signal-control method comprises arrangement of an intersection and a region of each road, and a signal-control method for the intersection. For the intersection, four primary roads are selected as a crossroad and adopt a turn-left control method; a secondary road adopts an upper-road entry design and the signal-control method, is provided with a first exit region, a second exit region, a third exit region, an entry waiting region and an exit lane, so that the secondary road can be integrated into the turn-left control method of the crossroad; the secondary road can be directly connected with each primary rod. With adoption of the multi-fork intersection structure and the upper-road entry signal-control method provided by the invention, the number of phases of the intersection can be reduced, to improve the efficiency of a multi-fork intersection, reduce the delay, prevent vehicles from indirect left turning, and improve the traffic capacity.

The invention discloses a composition and structure of a three-way intersection and a lane change control method of the three-way intersection. When a person stands on one side of a north road of the three-way intersection and faces the three-way intersection, a left-turning to-be-turned area is arranged on the left side of the north road, left-turning vehicles of the north road are stopped and wait for running, an exit lane is arranged on the right side of the left-turning to-be-turned area, and left-turning vehicles of a west road or right-turning vehicles of an east road are driven out. A safety island is arranged in the middle of one side of the north road of the three-way intersection, and only one main zebra crossing is arranged to stretch over the main roads. The lane change control method of the three-way intersection includes the steps that when go-straight green lights of the east road and the west road are turned on, the left-turning vehicles from the north road are driven to the left-turning to-be-turned area of the north road to be stopped, and the left-turning vehicles from the west road are stopped in a left-turning to-be-turned area of the west road. When go-straight red lights of the east road and the west road are turned on, the vehicles in the left-turning to-be-turned area of the north road turn left to the east, meanwhile, the vehicles in the left-turning to-be-turned area of the west road turn left to the north, and pedestrians cross the east and west main roads on the main zebra crossing.

The invention discloses a base bottom edge commercial value assessment method and device, and the method comprises the steps: receiving a base contour, a base position and a base center point of a to-be-assessed base, and obtaining a peripheral road network of the base according to the base center point and the base position in combination with a preset road network radius; acquiring main road intersection information on the surrounding road network according to a preset intersection screening strategy; dividing the base into base blocks according to a preset partitioning strategy, and analyzing to obtain base block center positions of the base blocks; obtaining a commercial value score of the base block according to a preset commercial value scoring strategy between the center position ofthe base block and the main road junction, the main road junction information and the center position of the base block; and normalizing the commercial value score of each base block to obtain a basebottom edge commercial value evaluation result of the base. The method can reasonably, efficiently and accurately evaluate the commercial value of the bottom edge of the base.

The invention provides a warm-mixed asphalt thin-layer overlay structure of waste cement concrete recycled aggregates, which sequentially includes a warm-mixed rubber asphalt bonding layer (2) on the original pavement structure (1) and waste cement concrete Recycled aggregate warm mix asphalt thin layer overlay (3). The present invention has the following beneficial effects: the present invention combines waste cement concrete recycled aggregates with foamed asphalt warm mixing technology, two major road environmental protection technologies, which makes up for the possible decline in the road performance of asphalt mixture caused by the simple use of asphalt warm mixing technology, making It can not only reduce construction waste pollution, save natural aggregate resources, but also reduce energy consumption and waste gas during the production and paving of hot asphalt mixtures when the road performance index of hot mix asphalt mixture is not lower than that of hot mix asphalt mixture. At the same time, it achieves the dual environmental protection goals of resource utilization of construction waste and energy saving and emission reduction. In addition, the invention can also solve the problem that the thin-layer overlay hot-mix asphalt mixture is easy to cool and thus fails to meet the compaction requirement.

The invention relates to a road noise automatic correction method for a noise map system, comprising the following steps: S1: select a monitoring point, and use the system database to judge the main road sound source and verification type of the monitoring point; S2: according to the calibration of the monitoring point According to the experimental type, the vehicle speed correction model of the main road sound source is constructed by using a hybrid modeling method; S3: Combining the vehicle speed correction model and the system core calculation model, the vehicle speed correction and sound level correction of the main road sound source are realized. Compared with the existing technology , the invention has the advantages of improving the calculation accuracy of the sound level of the noise map system and the like.

Provided is a overloaded control system for vehicles in a scenic spot. The system comprises a statistic system for the vehicles placed at the boundary of the scenic spot utilizing for counting the number M1 of the motor vehicles in the scenic spot at that time; a control center system utilizing for receiving the motor vehicles number M1. A control signal is sent to traffic light controllers placed on the main road of the scenic spots and at the boundary of the scenic spot within 20km when M1 exceeds the maximum capacity threshold K of the vehicles in the scenic spot. In addition to the signal sent, the time of red lights along the scenic spot is prolonged while the time of the green lights along the scenic spot remains constant. By counting the number of motor vehicles in the scenic area and regulating the traffic light, the invention automatically delays the speed of the motor vehicle leading to the scenic area, and prevents the motor vehicle from pouring into the scenic area at short time, thus causing hidden trouble in safety. The present invention also through the statistics of the number of motor vehicles outside a scenic, scenic forecast after a certain period of time the number of motor vehicles, according to the predict results, regulate the corresponding mode of traffic lights, more precise and flexible.

The invention discloses a multi-fork intersection structure and a lower-road entry method. The lower-road entry method comprises arrangement of an intersection and a region of each road, and a signal-control method for the intersection. For the intersection, four primary roads are selected as a crossroad and adopt a turn-left control method; a south road is provided with an entry waiting region and the like; a secondary road adopts a lower-road entry design and the signal-control method, so that the secondary road can be integrated into the turn-left control method of the crossroad; the secondary road can be directly connected with each primary rod. With adoption of the multi-fork intersection structure and the lower-road entry method provided by the invention, the number of phases of the intersection can be reduced, to improve the efficiency of a multi-fork intersection, reduce the delay, prevent vehicles from indirect left turning, and improve the traffic capacity.

The invention discloses a method for dividing dispatching areas based on a complex network, comprising the following steps: dividing the entire urban road network into a plurality of natural communities according to main roads; determining the natural communities to which they belong based on the latitude and longitude positions of all public bicycle rental points Discriminate, combine all the public bicycle rental points in the same natural area as a node; construct a complex network with the natural area as the node, take the modularity as the objective function, and carry out the clustering and division of the nodes through the hierarchical greedy algorithm; and comprehensive clustering The geographical location of each area and the number of public bicycle rental points obtained from the division are adjusted by secondary clustering, and the areas after the first clustering division are clustered into multiple large dispatching areas to form the final dispatching area division plan. The method of the invention can effectively solve the current problems of unreasonable division of public bicycle dispatching areas and low dispatching efficiency.