21results about How to "Ease traffic pressure" patented technology

The invention relates to the technical field of inter-city cargo splicing and loading, in particular to an inter-city cargo splicing and loading transportation path optimization algorithm based on large model optimization, and solves the problems that in the prior art, an optimization algorithm based on a large model generally relates to a complex calculation process and needs a large amount of calculation resources and time, and especially in a real-time path planning scene, the calculation process is complicated. And the calculation delay can influence the transportation efficiency. The invention discloses an inter-city cargo splicing transportation path optimization algorithm based on large model optimization. The algorithm comprises data collection and preprocessing, model construction and training, algorithm optimization and verification, path optimization calculation, result evaluation and feedback, and algorithm deployment and application. According to the method, various possible transportation paths are analyzed and compared through an algorithm, the optimal path is selected, unnecessary detour and waiting time is reduced, so that the transportation efficiency is improved, and the algorithm can perform intelligent scheduling and reasonable arrangement of transportation vehicles and routes according to real-time traffic conditions, cargo demands, vehicle states and other information.

The invention discloses a capacity expansion management and control method for predictable easily-congested road sections, and relates to the technical field of traffic management and control, historical data of each ETC portal in a near period of time on an expressway are collected, and historical traffic operation states of each road section in the monitoring range of each ETC portal are calculated; according to the historical traffic operation state of each road section, easily-congested road sections are screened, easily-congested routes are formed, and the daily average traffic volume of the easily-congested routes is calculated; and formulating a capacity expansion control strategy according to the daily average traffic volume of the easily-congested route. The method is used for solving the problems of large traffic flow and low traffic efficiency of predictable easily-congested road sections, capacity expansion can be carried out in a way of adding lanes and the like for regular and long-term easily-congested road sections so as to improve the traffic capacity, the method is a mesoscopic periodic strategy, conventional microcosmic management and control are improved to mesoscopic management and control, and the traffic efficiency is improved. Optimized configuration and efficient utilization of traffic resources can be realized, and the operation efficiency and the service level of the whole traffic system can be improved.

The invention provides a highland cooperative automatic control method and system, and the method comprises the following steps: controlling an unmanned plane to fly to a highway section for image collection in response to a received congestion checking signal; performing image recognition on the high-speed acquired image, and determining a high-speed area and a ramp area in the high-speed acquired image; dividing the expressway area to obtain a first road section area and a second road section area which respectively indicate a road section before a ramp and a road section after the ramp, and obtaining a first congestion coefficient and a second congestion coefficient which respectively correspond to the road section before the ramp and the road section after the ramp, determining a flow attribute corresponding to the ramp section based on the first congestion coefficient and the second congestion coefficient; and in response to the traffic attribute being a congestion attribute, obtaining a vehicle lamp control device closest to the ramp road section, and controlling the vehicle lamp control device to execute a lamp control operation corresponding to vehicle passing. The traffic management efficiency is at least improved.

This utility model discloses a toll station card dispensing machine, comprising: a chassis with a built-in controller and an opening on one side; an aerial imaging device installed inside the chassis, comprising a housing, an imaging lens, and a display screen, both located within the chassis, with the imaging lens facing the opening; signal light emitted from the display screen is projected onto the imaging lens, and the signal light passes through the imaging lens to form a real image in the air that is mirror-symmetrical to the display screen; and a card receiving and dispensing device installed on the side of the chassis facing the lane, communicating with the aerial imaging device, containing a card, and positioned within the chassis but adapted to carry the card out of the chassis. The toll station card dispensing machine according to this utility model has advantages such as improving vehicle traffic efficiency, alleviating traffic pressure, and increasing user safety.

The invention discloses a high-performance cold patch asphalt mixture and a preparation method thereof. The raw material components of the high-performance cold patch asphalt mixture include: cold patch liquid and aggregate, the mass dosage of the cold patch liquid is 5.05-5.15% of the mass of the aggregate; the raw material composition of the cold patch liquid includes: 80-83 parts of asphalt, 16-20 parts of diesel, 1-2 parts of linoleic acid, 1-2 parts of hydrogenated rosin stearate polyethylene glycol ester, 5-10 parts of acrylic rosin epoxy resin, 0.05-0.1 parts of aluminum chloride and 1-1.5 parts of SBR latex; the parts are by mass. The present invention achieves mixing at room temperature, does not need to heat aggregates, saves fuel, has no gas emissions, reduces production costs, and improves environmental benefits; the high-performance cold patch asphalt mixture has good adhesion, good water stability, high strength, does not become loose or peel off under the action of vehicle loads, and has a long service life; the construction workability and storage stability of the cold patch material are improved, and there are no special requirements for the operating environment. When repairing potholes, the cold patch material can be directly placed in the pothole and properly rolled.

The invention discloses an intelligent multi-target extraction method and system for intelligent security monitoring video images, and relates to the field of video monitoring technology. The system comprises a data acquisition module, a target detection and tracking module, a behavior analysis module and an evaluation and decision-making module. The technical key points are as follows: by giving priority to pedestrians and closing gates at road intersections, the safety of pedestrian passage is improved, the opening sequence of gates is dynamically controlled, vehicles at various intersections are ensured to pass in an orderly manner, traffic chaos is avoided, and then the congestion situation at road intersections is calculated and monitored in real time, and management is carried out by dispatching personnel, so that traffic pressure is promptly and effectively relieved, and smooth roads are ensured. According to the congestion situation and the specific situation of the intersection, a recommended value of the number of dispatched people is generated, personnel are reasonably arranged for traffic management, and resource allocation is optimized.

The invention provides a multi-mode traffic fusion connection facility layout method and device, and the method comprises the steps: obtaining the travel data of a user, and the travel data comprises the predicted peak hour passenger flow of a to-be-planned hub region, and the time, cost and comfort required by various traffic modes; predicting the use probability of each traffic mode according to the peak hour passenger flow volume, the time required by each traffic mode, the cost and the comfort level; according to the peak hour passenger flow volume and the use probability of each traffic mode, the connection demand quantity of each traffic mode is predicted; calculating facility scales required by various traffic modes through the connection demand quantity; obtaining a transfer demand of a passenger, and determining arrangement positions of various traffic mode facilities and distances among the various facilities based on the transfer demand; and the facility scale, the facility position and the distance between the facilities required by various traffic modes are used as a layout scheme. According to the layout scheme designed by the method, the transfer efficiency among the connection facilities can be improved, and the traffic pressure is relieved.

The invention relates to a traffic flow intelligent balancing system and method based on deep reinforcement learning and congestion avoidance, and belongs to the field of intelligent traffic system control. According to the system, collaborative optimization is carried out through cloud and fog end (roadside unit) intelligent agents, the global intelligent agent carries out global optimization of traffic flow by using historical data, and the fog end roadside unit intelligent agent rapidly responds to local traffic conditions based on real-time feedback, so that global and local collaborative optimization is realized, and the traffic management efficiency is effectively improved. According to the method, a traditional vehicle-by-vehicle path adjustment method is converted into a processing mode based on the vehicle flow, the rerouting proportion serves as a decision variable of a roadside unit agent, the calculation efficiency is greatly improved, and the communication overhead and delay of the system are reduced. By actively identifying the potential congestion area and executing the diversion operation in advance, the system significantly reduces the possibility of congestion, reduces energy consumption and pollution emission, and realizes more intelligent and sustainable traffic management.

The utility model belongs to the technical field of deceleration strips, and particularly relates to a deceleration strip convenient to splice, which comprises two first deceleration blocks and a second deceleration block, the second deceleration block is arranged between the two first deceleration blocks, the lower sides of the first deceleration blocks and the lower side of the second deceleration block are respectively provided with a positioning groove, and the positioning grooves are in butt joint with the positioning blocks. According to the deceleration strip convenient to splice, a positioning block is in butt joint with a positioning groove, a clamping block is in clamping butt joint with a clamping groove under the action of a connecting spring, the positioning block and the positioning groove are limited together, the edge of a first deceleration block and the edge of a second deceleration block can be conveniently kept in an aligned state, and the deceleration strip can be conveniently and rapidly installed; when a vehicle runs on the surface of the second deceleration block, the baffle is extruded, impact force of the vehicle is buffered, when the vehicle moves away from the surface of the second deceleration block, the baffle recovers to the original shape, buffering of the deceleration strip to the vehicle is enhanced, and the service life is prolonged.

The application discloses a method and device for identifying road congestion state in real time, equipment and storage medium. Including: obtaining trajectory data corresponding to an idling vehicle equipped with a front image device, filtering a target vehicle driving on a road based on the trajectory data; extracting the front view image of the target vehicle, inputting the front view image into a pre-trained traffic object recognition model, and outputting the traffic object recognition result in the image; based on the traffic object recognition result, filtering an initial congestion image and automatically labeling the traffic light category corresponding to the initial congestion image; based on the traffic light category, inputting the initial congestion image into the corresponding congestion recognition model, and outputting the congestion level determination result of the current vehicle. Through image data recognition and congestion level recognition, the application accurately determines the congestion level, improves the accuracy and real-time performance of congestion recognition, provides strong support for traffic management and optimization, and improves road traffic efficiency.

The invention discloses a riding integral incentive method, device and equipment for rail transit and a medium, and belongs to the technical field of Internet. The method comprises the following steps: acquiring riding travel data of passengers in rail transit; an integral rule is obtained, the integral rule comprises a basic riding route and a first integral proportion corresponding to the basic riding route, and the integral rule further comprises a special riding route and a second integral proportion corresponding to the special riding route; identifying whether the riding travel data is matched with the special riding route, and if yes, determining the current riding score according to the riding association information and a second score proportion; and updating the account integral value corresponding to the passenger identity information according to the current riding integral. According to the technical scheme, richer point rewards can be made for special riding routes or flat peak riding periods according to actual operation conditions, the function of dynamically adjusting passenger flow is achieved by providing differentiated incentive measures, passengers are attracted to go out in an off-peak mode, and ground traffic pressure is relieved.

The invention relates to the field of road traffic control, in particular to a variable lane setting method and device, a medium and equipment, and the method comprises the steps: obtaining a turning flow proportion according to a second traffic flow and a third traffic flow, and setting a turning lane as a turning and straight variable lane if the turning flow proportion is smaller than a first proportion threshold value, if the turning flow proportion is larger than a second proportion threshold value, the number of second variable lanes is obtained according to the total number of the straight lanes, the turning flow proportion and the difference value of the second proportion threshold value, and the newly-added number of the left-turn lanes and the newly-added number of the right-turn lanes are obtained by combining second traffic flow corresponding to the left-turn lanes and the right-turn lanes; according to the lane distance, the straight lane needing to be variably arranged is set to be the straight and left-turn variable lane or the straight and right-turn variable lane, and the flow conditions of the left-turn lane and the right-turn lane are comprehensively considered, so that the left-turn demand and the right-turn demand of vehicles are balanced; the setting accuracy of the variable lane and the relieving degree of traffic pressure are improved.

The invention provides a lane structure of a road intersection and a traffic control method, and the lane structure comprises a turn-around and left-turn shared lane, a first left-turn lane, a first straight lane and a right-turn lane which are sequentially adjacent from left to right based on a vehicle traffic direction. The first variable lane is arranged at the downstream part of the turning-around and left-turn shared lane, and the second variable lane is arranged at the downstream part of the first left-turn lane; lane changing areas are arranged between the first variable lane and the lane for turning around and left turning and between the second variable lane and the first left turning lane; first stop lines are arranged at the joints of the first variable lane, the second variable lane and the first straight lane with the road intersection; a second stop line is arranged at the joint of the lane for turn-around and left-turn and the first left-turn lane and the lane changing area; and at least one tailgating entrance is arranged between the first straight lane and the second variable lane. According to the invention, the vehicle passing efficiency of the intersection can be improved.

The invention discloses a signal lamp duration control method and system based on regional traffic flow information, and the method comprises the steps: enabling each signal lamp in a to-be-controlled region to obtain the vehicle information in a corresponding road segment in real time, all the signal lamps synchronously send the acquired vehicle information to the central control system; the central control system judges whether a congested road section exists in the to-be-controlled area according to the vehicle information of all the signal lamps in the to-be-controlled area, if the congested road section exists, the central control system generates an area signal lamp control signal according to the vehicle information of all the signal lamps in the to-be-controlled area and the relationship among the signal lamps, and sends the area signal lamp control signal to the to-be-controlled area; the regional signal lamp control signal is sent to each signal lamp and a navigation system; and the navigation system updates navigation route information according to the regional signal lamp control signal and transmits the updated navigation route information to a navigated vehicle, and meanwhile, each signal lamp performs signal switching according to the regional signal lamp control signal.

The present application relates to a system and method for controlling vehicles to pass through intersections without stopping based on tokens, including: a number of vehicle sensing devices, arranged at each side of the intersection, for scanning vehicles coming from the intersection and sending out sensing signals; a control center, electrically connected to the vehicle sensing devices, for receiving and processing sensing signals, marking the coming vehicles, and sending out control commands; a driving token, electrically connected to the control center, for receiving control signals, and moving synchronously with the marked vehicles under the command of the control signals; a circular track, arranged between the intersections in two directions, and the driving tokens are circulated on the circular track; the driving tokens limit the speed of the moving vehicles, so that the vehicles travel at the speed of the driving tokens, and go straight, turn left or turn right under the restrictions of the driving tokens. The system of the present application enables vehicles to pass through intersections without stopping, thereby improving the driving efficiency of vehicle intersections.

The present invention provides a quick remedial material for potholes in asphalt concrete pavement and a preparation method thereof, which belongs to the technical field of asphalt pavement repair materials. The preparation method comprises: providing a liquid material, the liquid material comprises road petroleum asphalt, an emulsifier aqueous solution, a polymer resin and a nano-additive material; providing a solid material, the solid material comprises aggregate and cement; providing a mixing device, so that the liquid material and the solid material are in contact in the mixing device, and are stirred and mixed evenly, so as to obtain the quick remedial material for potholes in asphalt concrete pavement; the mass of the liquid material is 5-20% of the mass of the solid material. The quick remedial material of the present invention has a short setting time, high strength, strong adhesion between the new and old interfaces, no need to add water during mixing, no need to close traffic during construction, and traffic can be opened immediately after construction. It can be mixed and used at room temperature, is not affected by air temperature and environment, has no toxic gas discharge, is safe and environmentally friendly, and has lower production cost.

The invention provides a traffic layout structure and a traffic organization method of a container terminal storage yard, and relates to the technical field of container terminal operation, the traffic layout structure comprises a storage yard area, a plurality of sub-storage yards are distributed in the storage yard area in a matrix shape, and the length extension direction of each sub-storage yard is parallel to a coastline; a plurality of IGV transverse lane areas and a plurality of manned container truck transverse lane areas are arranged in the storage yard area, the IGV transverse lane areas and the manned container truck transverse lane areas extend in the length extending direction of the sub storage yards, and the IGV transverse lane areas and the manned container truck transverse lane areas are arranged in the storage yard area in a staggered mode and arranged on the two sides of the sub storage yards in the length direction respectively. The independent transverse lane areas are arranged for the IGVs and the manned container trucks respectively, staggered arrangement is achieved, the traffic interference and vehicle mixed flow conditions between the IGVs and the manned container trucks are effectively avoided, and the transportation efficiency of the storage yard of the container terminal is improved.

The present invention relates to the field of traffic management technology, and in particular, provides a method and system for dynamic opening decision of emergency lanes based on video surveillance. The method includes constructing a traffic congestion prediction model based on historical traffic flow data using a gated recurrent unit (GRU) neural network, and predicting the traffic congestion state in combination with a traffic state evaluation algorithm; through the predicted traffic congestion state, combined with traffic regulations and by analyzing historical traffic flow data, determining the key factors and decision thresholds for starting or closing the emergency lane. The method ensures the availability of the emergency lane in an emergency situation through real-time data extraction, traffic congestion prediction and decision analysis, while making full use of the emergency lane to relieve traffic pressure, timely adjusting traffic management strategies, improving road traffic efficiency, and effectively coping with the increasingly serious traffic congestion problem, providing a new solution for traffic management.

The invention discloses a road purification device which comprises a road surface cleaning device and an air purification device, the road surface cleaning device comprises a spray head, the air purification device comprises a water tank and a fan, a plurality of ultrasonic nebulizers are arranged in the water tank, each ultrasonic nebulizer comprises an atomizing piece, and water in the water tank can immerse the atomizing pieces. The atomization piece vibrates to enable water to be atomized and gathered on the water surface and above the water surface, and the distance between the top face of the atomization piece and the water surface is 1-6 cm; a mist outlet is formed in the water tank, and the fan can accelerate atomized water so as to discharge the atomized water out of the water tank from the mist outlet. The road purification device can be fixedly installed on the two sides of a road or between two roads to achieve road surface flushing, meanwhile, air purification can be achieved, and the road purification device is good in dust falling effect, convenient to arrange, low in cost and small in traffic pressure.

The application discloses a core concrete pouring operation platform based on a large-cantilever cover beam U-shaped thin-wall shell, and aims at solving the problem of operation difficulty in core concrete pouring of the U-shaped thin-wall shell. The application comprises a steel bracket installed on the top of the cover beam shell body, the upper part of the steel bracket is provided with an operation platform, the steel bracket comprises longitudinal steel supports symmetrically arranged on the two sides of the U-shaped shell body, multiple transverse steel supports are arranged along the length direction of the cover beam shell body, and the multiple transverse steel supports are cross-sectioned with multiple angle steel support frames in the inside of the cover beam shell body. The operation platform is suitable for core concrete pouring operation of a large-cantilever prefabricated thin-wall cover beam formwork, has the advantages of convenient installation and removal, stability and reliability, and greatly simplifies the high-altitude operation link through optimization of the construction process, thereby improving the construction efficiency and operation safety.