55results about How to "Improve the traffic environment" patented technology

The invention discloses a regional vehicle statistical analysis management system. By means of distributed data storage, big data storage, information integration and information sharing are achieved;by means of distributed file management and the query indexing technology, the problem that a traditional database and an FTP framework cannot easily support storage and management current situationsof massive motor vehicle passing trajectory information is solved, so that it is easier to store and retrieve a large quantity of video and picture files; advantages of big data are utilized, reasonable traffic and mathematic models are established through an off-line data mining module, assistance is provided for simulation and analysis of traffic current situations and road planning and management decisions, boundaries between a plurality of departments and a plurality of systems are broken through, and an information fusion and information sharing platform is achieved, so that existing traffic facilities achieve larger social benefits, the science and modernization level of urban traffic management is further improved, the urban road traffic environment is further improved, and the requirement of traffic management in a new period is met.

The invention discloses a bidirectional dynamic coordination control method for an oversaturated trunk road. The bidirectional dynamic coordination control method comprises the steps of determining ideal phase difference according to the running properties of queued vehicle stream and arrived vehicle stream, determining the green time for meeting the traffic demands and avoiding the intersection congestion, determining queued vehicle weight impact factors by different control strategies, and taking maximal release amount as a target for realizing coordination control of the trunk road in a first direction; based on the coordination control in the single direction, calculating and coordinating the phase difference, the green time and the release amount at the intersection of the trunk road in another direction for different status combinations in three statuses of green lamp loss, intersection congestion and new traffic stream compensation at the intersection in the other direction of the trunk road; and in combination with coordination control algorithms in two directions, realizing the bidirectional dynamic coordination control of the oversaturated trunk road. The bidirectional dynamic coordination control method for the oversaturated trunk road is suitable for traffic oversaturated trunk roads in big cities, and is capable of effectively reducing the queuing length and the delay time at the intersection on the trunk road, improving the overall passing capability of the trunk road and avoiding the spread of traffic congestion.

The invention relates to an unmanned bus emergency dispatching system and method. The system comprises an unmanned bus, a bus stop monitoring device installed at a bus top, and a central dispatching module installed in a management center. The bus stop monitoring device includes an image acquisition unit, a video analysis unit connected to the image acquisition unit, and a main control module connected to the video analysis unit. The main control module communicates with the central dispatching module. The central dispatching module communicates with the unmanned bus. The unmanned bus emergency dispatching system can be used as a useful supplement of a conventional bus system, automatically dispatches an emergency unmanned bus when a sudden passenger flow occurs at a bus stop, solves the problem that the conventional bus system is difficult to adjust flexibly, improves the emergency situation treatment capacity of the bus system, and helps to improve the urban traffic environment.

The invention discloses a large-scale road network group traffic induction task decomposing method, and belongs to the field of smart traffic, in particular to a large-scale road network group trafficinduction task decomposing method capable of changing signal timing dial. In a conventional path induction, a single function is difficult to describe a mutual relation among a plurality of variables. A plurality of target functions are established for optimal processing. The problem is solved by adopting an immune genetic algorithm, and the immune genetic algorithm is combined with an optimal heuristic search algorithm which adopts an immune theory and a genetic algorithm, and the advantages of the two kinds of algorithms are kept. The problem that the genetic algorithm is lost in local optimal solution is solved, the immune genetic algorithm has search feature, the optimal self-adaptive feature is solved by using a target function, and over-quick local convergence is avoided. A large-scale road network is decomposed into a plurality of induction cells, an induction strategy based on a tree structure chart is adopted, and an induction task is decomposed layer by layer for building aroad network to serve as a specific example for verifying the effectiveness and superiority of the method.

The invention discloses a subway integrated management and control system and method based on real-time uploading of passenger flow information. The system comprises a passenger flow data processing center, a subway ATS system, a subway ticket center, a communication base station background and a plurality of information monitoring nodes arranged at different subway stations. Wherein the passengerflow data processing center is respectively connected with the subway ATS system, the communication base station background, the subway ticket center and each information monitoring node; Wherein thesubway ticketing center is respectively connected with each information monitoring node, and the communication base station background is respectively connected with each information monitoring node.According to the method, comprehensive and accurate passenger flow data can be obtained, the crowdedness degree information of the subway stations is obtained through analysis, comprehensive monitoring and comprehensive management of the subway are carried out, and efficient operation of subway trains is facilitated.

The invention provides a lane departure early-warning system based on an OBD and a smart phone. The system comprises a CAN communication unit and a smart phone part. An input terminal of a power supply module in the CAN communication unit is connected with an OBD diagnostic port and an output terminal is connected with the CAN communication unit; and an output terminal of the OBD diagnostic port is connected with an input terminal of a bus control module. The bus control module in the CAN communication unit is in communication connection with a bluetooth module B in the smart phone part by a vehicle-mounted information processing module and a bluetooth module A; and the bluetooth module B is in communication connection with a smart phone processing module. Two output terminals of the smart phone processing module are respectively connected with input terminals of a display module and an alarm module; and an input terminal is connected with an output terminal of an image collection module. According to the invention, the system can be applied to an automobile after-loading market easily and is connected with a vehicle-mounted OBD diagnostic port directly. Moreover, the structure is simple, the system integration degree is high; the early warning accuracy is high; and the early warning multi-functional effect is realized.

The invention provides a method of detecting audit quality of off-site law enforcement officers. The method of detecting audit quality of off-site law enforcement officers can detect the audit record and give an early alarm for the abnormal situation and isolate abnormal traffic violation data. The invention also provides a system of detecting audit quality of off-site law enforcement officers. The system of detecting audit quality of off-site law enforcement officers can in monitor the audit situation of monitors and data quality in real time, and can isolate traffic violation data of abnormal audit so as to efficiently guarantee the violation data quality, count the audit data bulk of staff, provide the audit efficiency of staff, and provide auxiliary support service for a traffic off-site law enforcement system.

The present invention provides a new type logistics transportation mode and commercial marketing mode which have characters: public traffic vehicle with freight function is used as freight transportation vehicle; public bus shelter with transfers function is used as freight transfers station; public traffic system extended to various working and living places composes city logistics transportation net; various public bus shelters with commodity exhibition and sales function reconstructed by good shelf, traffic isolating wall, various bridge, backyard fencing, exterior wall of building are used as base flat roof of commodity exhibition and sales center, and internet exhibition and sales; various working and living places of citizen are used as one of commodity experience and trading places; multiple commodity marketing methods are integrated.

The invention discloses an underground environment logistics system connected with municipal refuse transfer stations, which is characterized in that the underground environment logistics system comprises a plurality of underground refuse transfer stations and a refuse terminal station on the ground, the plurality of refuse transfer stations are connected together through underground logistics transport tunnels, and the refuse terminal station is connected with the underground logistics transport tunnels through slopes. The system compresses and encases the municipal refuse through the refuse transfer stations and transfers the municipal refuse to a transport cabinet of the system, the transport cabinet conveys containers filled with refuse to refuse treatment facility occasions and sends back the empty containers. The refuse transfer stations and the tunnel network are arranged underground to save the ground space, improve the ground sanitary environment and traffic environment, improve the operation efficiency and reduce the transport cost.

The invention relates to a fog dispersal type unmanned aerial vehicle which comprises an aerial vehicle body. The aerial vehicle body comprises four connecting arms, a rotor wing assembly is arranged at the end of each connecting arm, a controller is arranged in the center of the aerial vehicle body, and a plurality of data sensors are arranged on the side wall of the aerial vehicle body. A battery pack is arranged at the bottom of the aerial vehicle body, the bottom of the aerial vehicle body is connected with external fog dispersal equipment through a connecting frame, and a plurality of spraying holes are formed in one end of the external fog dispersal equipment. Fixed plates are arranged on the two sides of the external fog dispersal equipment, and a solar cell panel is arranged at the upper end of each fixed plate. An antifogging agent is sprayed in the air, fog reduction is achieved on the air, and therefore cost is low, and the use range is wide. The fog dispersal type unmanned aerial vehicle can be applied to the conditions needing fog dispersal within the local range, such as highway traffic environment improving, airport dense fog elimination and disaster relief area microclimate improving.

The invention relates to a tower type battery replacing system which comprises a tower body used for bearing batteries and charging batteries. A plurality of charging stations used for bearing batteries are arranged in the tower body, a sealing door used for putting in or taking out batteries and a control display panel are arranged on the tower body, and a central mechanical arm system used for clamping and storing batteries to the assigned charging stations is arranged in the tower body. The tower type battery replacing system further comprises an intelligent control device connected with the control display panel and the central mechanical arm system. According to the system, new energy and a power grid are adopted for supplementary energy storage and power supply, and thus energy conservation and environment protection are achieved; intelligent battery replacing services are provided for users, and operation is convenient and fast; the system is small in occupied space and large in battery storage capacity; the system can be widely installed and used at bicycle parking points, schools, tourist attractions, shopping malls and the like; by means of the tower type battery replacing system, electric vehicle users can conveniently supplement new batteries in time, and development of the electric vehicle market and improvement on the urban traffic environment are facilitated.

The invention discloses a greening isolation belt capable of collecting and placing fallen leaves to promote plant growth. The isolation belt comprises a disposal box, a fallen leaf cavity is formed in the left side of the disposal box, a telescopic cavity door plate is fixedly connected to the upper side of the fallen leaf cavity, and the telescopic cavity door plate controls opening and closingof the fallen leaf cavity, a pushing telescopic rod is fixedly connected to the inner wall of the left side of the fallen leaf cavity, and a pushing plate is fixedly connected to the tail end of the pushing telescopic rod; the greening isolation belt capable of collecting and placing fallen leaves to promote plant growth has the fallen leaf recycling function, the fallen leaves falling outside a green belt can be recycled and laid around plants again, and the effects of soil fertility increasing, heat preservation and dust prevention can be achieved on the plants, therefore, the effects of improving the road environment and reducing the working intensity of sanitation workers are achieved, and the functions of dedusting and cooling the road and humidifying and irrigating the interior of agreen belt can be achieved by collecting and purifying rain and dew.

The embodiments of the invention provide a road traffic management method and a central control system thereof. The method comprises the steps of: detecting and analyzing the received real-time road traffic monitoring information to detect whether a traffic barrier occurs; if traffic barrier information is detected, performing traffic dispatching analysis on the real-time road traffic monitoring information based on the traffic barrier information to generate road traffic dispatching information; based on the road traffic dispatching information, acquiring a driving control authority of a corresponding intelligent vehicle node; and based on the road traffic dispatching information, controlling the running route of the corresponding intelligent vehicle node. Traffic barriers are timely discovered by monitoring whole-network intelligent vehicle nodes, and the corresponding intelligent vehicle nodes are controlled and dispatched by analyzing the road traffic monitoring information, so that other vehicles are prevented from suffering from congestion, further deterioration of congestion is prevented, the traffic barriers can be timely handled, and the road traffic environment is thus improved.

The invention discloses an open section tunnel structure with cast-in-place and prefabricating assembling combined. The open section tunnel structure comprises a prefabricated assembled component serving as the lower half portion of an open section tunnel, a cast-in-place component located on the prefabricated assembled component, and a tensioned permanent pre-stressed anchor cable used for carrying out longitudinal tensioning and fixing. A steel edge waterstop is arranged on the longitudinal contact face of the prefabricated assembled component and the cast-in-place component. A mortise connector is arranged in the longitudinal direction of the prefabricated assembled component. An inserting rib is reserved on the side wall of the prefabricated assembled component, and a rabbet is formed in the upper end of the side wall. The tensioned permanent pre-stressed anchor cable and the prefabricated assembled component are connected. By means of the open section tunnel structure, on the one hand, the cast-in-place work quantity can be reduced, the construction quality of the structure can be improved, and the construction period can be shortened; on the other hand, after the open section structure is constructed, the influence on surrounding traffic and resident life can be reduced, the occupied construction plant is reduced, and risk sources affecting construction safety are reduced.

The invention discloses a method and system for predicting short-time wind speed overrun probability. The method comprises the steps: carrying out the real-time monitoring and collection of meteorological parameters of a to-be-detected region to obtain a monitoring data sequence; extracting a part of the monitoring data sequence as a sample, and training to obtain a wind speed short-time prediction model based on an LSTM network; predicting other monitoring data except the sample in the monitoring data sequence by adopting a wind speed short-time prediction model to obtain a short-time prediction wind speed sequence; subtracting the short-time prediction wind speed sequence from the corresponding monitoring data sequence to obtain a wind speed prediction error sequence; performing statistical analysis on the wind speed prediction error sequence by adopting a GMM method to obtain a conditional probability density function of the wind speed prediction error; taking the short-term prediction wind speed sequence as prediction expectation, and calculating the occurrence probability that the prediction wind speed exceeds a certain specific wind speed value in combination with a conditional probability density function of a prediction error. The method is used for strong wind early warning of high-speed railways, expressways, wind power plants and photovoltaic electric fields.

The invention discloses a safety fence for road construction with the function of environmental protection and dust removal, which comprises a fence body, the fence body is welded by a first fixing frame and a second fixing frame through a bottom bracket, and the first fixing frame and the bottom of the second fixed frame are welded with supporting feet, U-shaped fence frames are welded equidistantly on the bottom bracket, and an H-shaped connecting frame is welded between every two connected U-shaped fence frames, and the U-shaped The top of the fence frame is welded with a ring-shaped fixed frame through a connecting frame, and the inside of the ring-shaped fixed frame is rotatably connected with a double-sided sprinkler head through a rotating connecting shaft, and a water pump is fixed inside the second fixed frame. In the present invention, firstly, the double-sided sprinkler head can be used to spray water and remove dust on the construction road, so as to prevent the construction from causing dust to fly, thereby affecting the traffic environment, so that the safety fence for road construction has the function of environmental protection and dust removal, which can effectively Improve road construction environment.

The invention relates to a foldable transportation vehicle for riding instead of walk. A handle bracket, a front bracket and a rear bracket of the foldable transportation vehicle form a three-sectionfolding structure, wherein, the front bracket can rotate towards the bottom of the rear bracket to be folded, the handle bracket can rotate and be folded in the direction opposite to the folding and rotating direction of the front bracket, after being folded, the whole car size is small, the center of gravity is concentrated, a pulling-rod type or push-pull structure can be achieved, and carryingis convenient. The rotating plane of a front wheel of the foldable transportation vehicle for riding instead of walk is fixed to the relative positions of the handle bracket and the front bracket, andwhen the steering is needed, and the handle bracket can be tilted by tilting a vehicle handle to drive the front wheel to tilt and steer, so that the front bracket is driven to tilt and steer; and meanwhile, the front bracket can pull the rear bracket to make rear wheels to steer in the horizontal plane, so that an operator can easily and conveniently steer through tilting and steering of the front wheel and steering of the rear wheels finally.

The invention provides a method and device for outputting information, relates to the field of image recognition, in particular to the field of intelligent transportation, and can be applied to an automatic driving scene. The specific implementation scheme is as follows: acquiring a real-time video stream; detecting key points of at least two targets from the real-time video stream; performing target tracking according to the key point of each target to obtain tracking information of each target; predicting a driving track of each target according to the tracking information of each target; for any two targets, determining the collision probability according to the intersection point of the driving tracks of the two targets and the time for reaching the intersection point; and outputting prompt information for the target of which the collision probability is greater than a preset threshold value. According to the implementation scheme, early warning can be carried out on possible traffic accidents, and the road safety coefficient is improved.

The invention relates to the technical field of transportation, in particular to a full electrical energy vehicle railway high-speed rail operating system. Compared with the prior art, the full electrical energy vehicle railway high-speed rail operating system comprises a train power sett and a traffic rail, wherein the train power sett can perform circulatory operation on the traffic rail and comprises a power train head and a truck disc pulled by the power head; the tail part of the truck disc is provided with a towing mechanism for fixing sedans; and the towing mechanism pulls backwards various sedans which are provided with steel wheels to slide on the traffic rail at a high speed; therefore, the system can use the electrical energy to replace other energy, greatly reduce the driving distance of the sedans and trucks on a road, reduce discharge of harmful gases, avoid building a great number of intercity expressways simultaneously, improve traffic environment, relieve pressure of high-speed transit, and greatly reduce traffic accidents and maintenance of the roads each year so as to calculate on the basis, more than 100 billion dollars can be saved globally each year.