581results about How to "Ease traffic pressure" patented technology

The invention discloses intelligent traffic dispatching and commanding and information service method and system based on dynamic information. The method comprises the following steps of: collecting basic traffic data; normalizing the time, the space and the attributes of the basic traffic data; periodically evaluating and predicting the traffic state of the entire road network; periodically comparing the traffic state evaluation results and the historical data of the road network, and sending a warning prompt to a commander in case of exceeding a certain threshold; responding to a confirmed warning prompt, and creating a breakdown lorry dispatching scheme; and responding to the confirmed warning prompt and the evaluated and predicted road network traffic state, judging whether a serious traffic jam occurs, and creating and releasing abnormal traffic information or normal traffic information. The invention can increase the utilization ratio of the basic traffic data, can enhance the contact between the urban traffic command center and the 110 command center, and can improve the working efficiency of personnel in the command centers and the travelling efficiency of travelers.

The invention provides a 4D real traffic scene simulation based severe weather early-warning management system and method. The system comprises a multi-factor omnibearing tracking detection radar sensor, a data collection and analysis processor, a cloud processing server and main equipment of a 4D simulation management work station; a radar tracks vehicles and pedestrians on the road, obtains position information of the vehicles and pedestrians, and triggers a license plate snapshot camera to carry out real-time snapshot on vehicles synchronously; the system obtains node weather information ofthe present road to simulate the traffic road condition environment in a 4D manner and start an early warning rule, the road which the vehicles/pedestrians are passing is determined according to theposition information of the vehicles and pedestrians; and the alarm information is sent to the vehicles and pedestrians to pass the road in a point to point or broadcasting manner to make alarm prompt. According to 4D real traffic scene simulation, a road manager can use the system to make an emergency plan, carry out road control and rescue of vehicles and pedestrians in an accident, informationis pushed to avoid the planned route, and the risk of high-speed travel in the severe weather is reduced.

The invention provides a taxi calling method, platform and system. Due to the fact that price raising information, namely extra charge information, underwritten by users, besides specified taking cost, is added in order requests edited by the users, taxi drivers can obtain reasonable remunerations during passenger taking, and earnings are increased; meanwhile, the no-load ratios of taxis can be lowered, and the taxi calling success rates of the users can be improved. Meanwhile, due to the execution modes that priority processing is carried out on the order requests of the users, searching is carried out on loaded taxis, and taxi sharing request information is added in the order requests, the no-load ratios of the taxis are further lowered, the searching ranges for the taxis are further expanded, the taxi calling success rates of the users are improved, multiple users can take one taxi at the same time, and the taxi calling success probabilities of the users in the taking peek period are improved; meanwhile, the taking cost of the users can be reduced, the use ratios of the taxis can be improved, and the urban traffic pressure can be relieved.

The invention discloses an intelligent system for managing and scheduling taxis, which comprises a server system for managing and scheduling the taxis, taxi-mounted terminals, passenger terminals, a location satellite, a yellow page database, a wireless communication network charging system, a wired communication network charging system and a public electronic communication network, wherein electronic communication among the server system, the taxi-mounted terminals, the passenger terminals, the location satellite, the yellow page database, the wireless communication network charging system, the wired communication network charging system and the public electronic communication network is used for managing and scheduling the taxis. The initial states of the taxis which are controlled by the server system are states of waiting to be provided with transporting services, and the initial state of one taxi subjected to site stopping, telecommunications ordering and relevant operations of a taxi driver becomes setting, leaving for a place of waiting, transporting service (cooperation), transporting service (individual), out of service, waiting for carrying passengers on the way, transporting of on-the-way passengers (cooperation), transporting of on-the-way passengers (individual) and the like. Under the condition that the taxi is in the state of transporting service (cooperation) or transporting of on-the-way passengers (cooperation) and the taxi is not filled with the passengers, cooperation transporting service or cooperation on-the-way passenger transportation that the quantity of the passengers is not more than the vacancy can also be accepted.

The invention belongs to the technical field of safety communication between motorcades in Internet of Vehicles, and discloses a motorcade establishment and management method and system based on a block chain and a PKI authentication mechanism. The method is mainly divided into two parts of motorcade establishment and group key agreement and update; the motorcade establishment part comprises the following main processes of member registration, member identity authentication and group head aggregate signature; and the group key agreement and update part comprises the following main processes ofgroup key agreement and group key update for dynamic joining and exiting of a vehicle. According to the method and the system, the block chain is combined with the PKI authentication mechanism, a problem of identity authentication of the vehicle, a server and an RSU in the Internet of Vehicles is solved; the motorcade establishment is completed based on an elliptic curve, a bilinear pairing technology and an aggregate signature; and the group key agreement and update can be realized based on a DDH difficulty problem, the forward and backward safety is achieved, and the safety of member communication in the motorcade is ensured.

The invention relates to a vehicle dynamic navigation service system based on A-GPS and 3G network, which consists of a dynamic navigation service platform and a dynamic navigation terminal. The dynamic navigation service platform, the 3G network, the A-GPS positioning platform and the dynamic navigation terminal are interconnected to eachother, and perform navigation calculation utilizing the real time traffic information from traffic information center; the navigation result can be fed back to the traffic control center for optimizing the traffic control; the navigation service platform itself integrates the capabilities of dynamic navigation calculating, road geographic information processing, multi-source isomeric real time road condition information processing, navigation data statistics analyzing and policy making supporting, user managing and interface information processing; the dynamic navigation calculating process comprises track jam judgment, traffic flow prediction, dynamic path program and traffic Induction, travel time estimation and map-matching; and the dynamic navigation terminal supports 3G honeycomb communication, A-GPS positioning, memory, dynamic navigation client software and man-machine interface.

An intelligent logistics platform system comprises a city-wide distribution basic function module, a city-wide logistics distribution supporting service module and a transaction value-added service module. According to the platform, with high-tech intelligence as the support, the role of information technology in logistics distribution is enhanced, and a new logistics distribution service system for realizing the most effective resource allocation between city logistics vehicles and goods is achieved. Through integrating related information of logistics upstream and downstream enterprises, a comprehensive supply chain solution is provided, diverse and complex needs of a demand side can be met effectively, logistics market informatization is promoted, and while the economic development of the region is promoted, the Internet of things research and development field is expanded.

The invention relates to a crossing traffic signal control system which comprises a vehicle flow rate statistic analysis module, a traffic control preemption decision module and a crossing signal lamp module which are connected sequentially. The invention also relates to a crossing traffic signal control method utilizing the system. According to the control method, based on a clock phase, the traffic control preemption decision module controls the crossing signal lamp module, when phase execution is finished, if the traffic control preemption decision module determines that a phase green light time of a phase is longer than a preset phase time, the phase is executed first to realize preempt control based on the clock phase, then the clock phase is executed according to a preset sequence, thus a phase of a high vehicle flow rate is released preferentially, city traffic pressure is effectively alleviated, and a traffic pass efficiency of a city is raised. The system and the method in the invention have the advantages of a simple system structure, low cost of method realization, and a wide application range.

The invention discloses an intelligent traffic control device, and belongs to the field of intelligent traffic control. The intelligent traffic control device comprises a plurality of vehicle identification cameras, the vehicle identification cameras are respectively installed at the positions of the vehicle entry direction of each road of an intersection and respectively connected to a traffic controller, and the traffic controller is also connected with a traffic light of the interaction in each direction; the vehicle identification cameras acquire and calculate statistical data including number and running speed of vehicles in each direction of the current intersection and the like, the traffic controller carries out optimal calculation according to the current statistical data, and then the traffic lights of the intersection are controlled according to the calculation result and can be adjusted in real time according to the vehicle condition in each direction, so that the traffic lights are synchronous with vehicles, the stop frequency and time of vehicles are reduced as much as possible, and the existing road resources are sufficiently utilized; and the traffic pressure can be effectively relieved, and the device is particularly suitable for being installed and used at urban easily-crowded intersections and thus has a wide application range.

The invention relates to a limiting stop-free and fixed line-free public transportation operating system and method. By using the invention, a driving plan of at least one public transportation operating vehicle can be made or modified according to an individual traffic service request of a user, wherein the driving plan comprises information such as a driving route. stops and the like, so that the driving plan of the vehicle and the departure point and/or destination point of the user can be matched in the appointed time period, thereby forming a public transportation service unit which can meet the public individual transportation requirement. By combining and optimizing all the public transportation service units, the public transportation system can provide an economic, efficient and individual transportation service for the public. The invention fuses the expressage vehicle management concept, the vehicle sharing idea and the bus operation, enhances the ability of the common people to control public transportation vehicles, and alleviates various social and environmental problems caused by the public transportation vehicles.

The invention discloses a lane guiding method. The method comprises: whether a vehicle is going to arrive at a preset interaction is determined; if so, a traffic image of the preset intersection is obtained; the traffic image of the preset intersection is parsed; and a current optimal driving lane is obtained based on the parsed preset intersection traffic image and the vehicle is guided to drive to the current optimal driving lane. In addition, the invention also discloses a lane guiding apparatus. According to the technical scheme, the road condition of the lane of the preset intersection is checked in real time and the driver is guided to select a proper lane for driving, so that the traffic pressure is alleviated and thus vehicle can be driven on the road smoothly.

The embodiment of the invention provides a control method and device for traffic signals. By obtaining road information and timing reference information of an intersection and the traffic flow of eachsingle lane in the previous preset time period, the phase position, the phase sequence and the signal cycle duration of the intersection in the next target time period and the green time ratios corresponding to all the phase sequences can be determined; and traffic signals are controlled according to the determined phase positions, phase sequences, signal cycle duration and green time ratios of all the phase sequences. Through the technical scheme, the corresponding phase positions, phase sequences, signal cycle duration and green time ratios are determined in the different time periods according to the counted traffic flow within the previous time period, thus the control method of the traffic signals in the different time periods can be determined, in this way, the determined traffic signal control method is based on actual traffic situations of the intersection in the near time period, the certain real-time property is achieved, dynamic adjusting is achieved, and thus traffic pressure is relieved more advantageously.

The invention discloses an implement method and display system for car sharing based on a cab. In the invention, a vehicle-mounted LED display screen which is installed outside the cab to display car sharing information is arranged at a striking place of the cab, and the current car sharing information which is input by a driver is received by a vehicle-mounted keyboard; and the car sharing information, such as traveling destinations, number of the rest passenger seats on the cab and the like, is input into the vehicle-mounted LED display screen for display. In such a way, the passengers waiting for the cab can conveniently know the information of the transient cabs so as to select and take the appropriate cabs. The implement method and the display system have operability, which can relieve traffic pressure and be convenient for trip of passenger in the traffic peak period, thereby improving the use efficiency and use ratio of the cabs, providing effective user picking and taking routine ways for traffic balance and achieving effective car-sharing service.

The invention relates to a total management system and a management method based on Internet of Things and cloud computing and for a parking lot. A parking lot automatic control subsystem is in communication connection with a control center subsystem through a communication subsystem, the control center subsystem is in communication connection with an Internet cloud sever subsystem through the communication subsystem, the parking lot automatic control subsystem is used for automatically identifying a vehicle through an RFID (Radio Frequency Identification) radio frequency card reader, an entrance guard steering engine controls a system entrance guard steering engine to be lifted up and down, automatic charging is performed, parking lot stall information, charging condition information, parking lot temperature and humidity, and fog condition information are sent to the control center subsystem; the control center subsystem is used for transmitting the information and video data transmitted by a video monitoring system to the Internet cloud sever subsystem; the Internet cloud sever subsystem realizes real-time monitoring on each parking lot and data sharing of the parking lot; and a mobile phone terminal subsystem is capable of inquiring a distribution map of a parking lot in real time, automatically generating the distribution map of the parking lot, and generating an optimal parking route.

The invention provides a vehicle travelling guiding system based on internet of vehicles and a method for guiding vehicle travelling, belonging to the field of navigation apparatuses. The vehicle trip guiding system includes a route planning unit, a road condition information acquisition unit, and a road condition data service center, the route planning unit is used as a terminal to be arranged on a vehicle, and based on the road passing speed information of the passing road, the travelling route between the departure and the destination is planned. The road condition information acquisition unit is arranged on the vehicle, the real-time position of the vehicle, the passing direction of the vehicle, and the real-time passing speed of the vehicle can be timely monitored, the road condition data service center is in communication connection with the route planning unit and the road condition information acquisition unit via wireless network. The system improves the travelling efficiency, reduces the travelling cost, alleviates the traffic pressure, and reduces the traffic pollution.

The invention relates to a logistics intelligent conveying supervision method. A distribution station management subsystem, a vehicle-mounted terminal control subsystem and a cloud end data processing center are arranged. The distribution station management subsystem carries out scanning on electronic labels on distributed goods through a superhigh frequency video recognition module, a main control unit carries out real-time monitoring on goods information in a warehouse, and the goods information is transmitted to the cloud end data processing center in real time in a wireless-communication mode. In the vehicle-mounted terminal control subsystem, electronic labels of the distributed goods are scanned through a superhigh frequency recognition module, the geographical location information of a vehicle is obtained through a GPS module, and the goods information and the geographical location information of the distribution vehicle are transmitted to the cloud end data processing center in real time in a wireless-communication mode. The cloud end data processing center carries out real-time monitoring on a distribution station and the distribution vehicle, and the optimum distribution vehicle and the distribution path are selected according to a consigner position and a distribution destination.

The invention relates to a method used coherence optical fiber grating set to realize train positioning and real time tracking. It includes the following steps: using wavelength division multiplex n coherence optical fiber grating sets with resin protective layer to cling to the rail inside; the interval of the optical fiber grating is about 200-300m which shortens common track circuit blocking area by ten times; when locomotive drives to the its coherence optical fiber grating set sensitive area, it will produce amplitude vibration with corresponding wave; one end of the optical fiber is connected multiple wavelength laser launcher in the control center by circulator of which another end is connected with fiber amplifier, then connected with the wave separator of which separated wavelength is transformed into electric signal; all electric signal are input into the digital signal processing terminal to exactly figure out train exact position, speed, and acceleration to realize exact positioning and real time tracking.

The embodiment of the invention provides a traffic road condition data processing method, device and system. Traffic road condition data can be reported by the utilization of information acquisition sensing equipment laid at the positions of traffic intersections of roads and the non-traffic-intersection positions of the roads. Meanwhile, the traffic road condition data can also be reported by the utilization of vehicle-mounted information acquisition equipment on vehicles, therefore, comprehensive traffic road condition data can be obtained, and the accuracy of real-time traffic road condition information is obviously improved according to the traffic road condition data. Meanwhile, real-time traffic road condition information of static sending points, basic road sections and continuous road sections can also be obtained according to the traffic road condition data, and therefore traffic road condition information of accurate road sections can be obtained. Consequently, when traffic is guided according to the obtained real-time traffic road condition information, the accuracy of traffic guidance can be improved, and traffic pressure is effectively relieved.

The invention discloses a crowd scale statistical method based on color and HAAR feature fusion. The method includes the following steps of data preprocessing, feature extraction, objective model establishment conducted through Adaboost, pedestrian detection, and people counting. According to the method, the color feature and the HAAR feature are fused, color, as prior knowledge, serves as the weight of the HAAR feature for objective judgment, and detection and recognition of individuals in a crowd are conducted through an Adaboost training classifier. An HAAR model is trained firstly, the classifier is established through weighing and based on the color attribute of the human face complexion and is used for human face detection, K-NN classification is conducted on human face sub-windows, and a classification result is the number of pedestrians. According to the method, the influences caused by factors such as weak light, objective concentration and too small objectives can be avoided.

The invention provides a traffic congestion dispersion method based on the traffic signal controller and video monitoring linkage. The method includes the steps that a video recorder conducts real-time monitoring on a crossing and analyzes traffic flow information of all directions of the crossing so that whether congestion happens or not can be judged; the video recorder automatically generates scheme adjustment suggestions according to the congestion information of a certain direction, and the video recorder is then in communication with the traffic signal controller so that the renewing mode of configuration schemes of the traffic signal controller can be obtained; in the automatic mode, the video recorder sends the congestion information of the direction and the scheme adjustment suggestions to the traffic signal controller, and the traffic signal controller adjusts the current configuration scheme according to the integration result of the congestion information of all the directions and the scheme adjustment suggestions. By means of the video monitoring and traffic signal controller linkage, the traffic light release time of the traffic signal controller can be adjusted according to the real-time traffic flow information, the traffic pressure is greatly relieved, the utilization rate of existing resources is increased, and meanwhile the manual cost of traffic congestion dispersion is reduced.

The invention provides a lane distribution method based on a cloud platform and a cloud platform for lane distribution. The lane distribution method comprises the steps that the cloud platform receives an application request, which is reported by a non-dedicated vehicle, for using a dedicated lane, wherein the application request comprises the identification of the non-dedicated vehicle, the current location information, the current vehicle speed and the destination information; judging whether there is a dedicated vehicle running on the dedicated lane or not at the current position accordingto the current location information of the non-dedicated vehicle; if not, obtaining and planning dedicated lane driving information for the non-dedicated vehicle according to the current vehicle speedand the destination information; and sending the dedicated lane driving information to the non-dedicated vehicle corresponding to the identification of the non-dedicated vehicle. The method can makefull use of dedicated lane resources and alleviate the traffic pressure under the condition of not affecting the dedicated vehicles.

The invention relates to the field of digital image processing, in particular to a video-based vehicle collision accident detection method and a video-based vehicle collision accident detection system. The method comprises the following steps: acquiring video stream data; processing acquired video images to acquire a motion foreground detection image; tracking vehicles in the motion foreground detection image; detecting the tracked vehicles to judge the vehicles which are adhered to each other; and judging the vehicle speeds of the adhered vehicles and determining that the vehicle of which the vehicle speed is changed suddenly is subjected to a collision accident. By the method and the system, road traffic can be monitored in real time, the accident can be positioned at the first time and accident alarming is provided, and the responding speed and handling speed of the traffic accident are effectively increased, so that traffic pressure caused by the traffic accident is effectively relieved.