2317 results about "Traffic system" patented technology

A system and method for providing position information of a transit object to a computing device is provided. Global positioning satellite (GPS) information of a transit object can be periodically received. For each of some of the GPS information, one or more candidate points of a transit system can be identified based on the GPS information. Using the one or more candidate points, a most likely path of travel can be determined. Additional position points along the most likely path of travel can be extrapolated and transmitted to a computing device.

The present invention discloses an intelligent traffic system. The system at least comprises a traffic control center, a traffic information service center, a cellular mobile communication system, a road toll collection system and an in-vehicle terminal, which are connected with each other via a wired communication network. The in-vehicle terminal communicates with the traffic control center, the road toll collection system and the traffic information service center respectively via the cellular mobile communication system. The present invention further claims an in-vehicle terminal used in an intelligent traffic system and a method for realizing an intelligent traffic system with a cellular mobile communication system. By adopting the intelligent traffic system, its construction cost will be reduced greatly.

The present invention provides an intelligent road facility system. The system comprises: a road side unit having perception, communication, control, driving area calculation functions; a traffic control unit and a traffic control center; a vehicle unit and a vehicle interface; a traffic operation center; and a calculation and information service center based on cloud. The road side unit is configured to provide real-time vehicle environmental perception and traffic state prediction and send an instant control command to a corresponding vehicle unit; the traffic control unit and the traffic control center and the traffic operation center are configured to provide short-item and medium-and-long-term traffic state prediction and management and planning decision and employ the calculation andinformation service platform based on cloud to collect and process traffic information to obtain an instant control command; and the vehicle unit is configured to collect data generated by the vehicles, send the data to the road side unit and receive information and a control command from the road side unit. The intelligent road facility system provides an efficient path for rapid achieving of grounding application such as unmanned driving and intelligent network connection traffic system.

The invention relates to a traffic control method and system based on an intersection group.The method comprises the steps that 1, 360-degree panoramic video of intersections is dynamically collected in real time through an intelligent robot, an intersection operation model is established according to video data, and traffic characteristics of the intersection group are analyzed according to the intersection operation model; 2, intersection index evaluation and online simulation analysis are conducted according to the traffic characteristics, and the traffic operation state of the intersection group is identified; 3, supersaturation state intersection signal timing control scheme optimization is conducted on critical paths of a supersaturation state intersection group, and a supersaturation state intersection group traffic signal control strategy is adjusted; 4, the adjusted intersection group traffic signal control strategy is operated, and steady-state operation of an intersection control signal timing optimization scheme and linkage command of the intelligent robot are achieved.By means of the traffic control method and system based on the intersection group, traffic efficiency and service level of intersection single point control can be improved, and therefore the operation efficiency of an urban traffic system is greatly improved, and urban traffic jams are relieved.

A transport system composed of road side stations installed along roads and vehicles running on roads, wherein emergency processing at the time of an accident, a local information providing service, and so on are realized by the road side stations in cooperation of the road side stations and the respective vehicles. In the transport system, a plurality of road side stations are interconnected through a road side communication network, and a plurality of vehicles communicate with the road side stations. A vehicle transmits a request message containing a service code and location information. A road side station receiving the request message broadcasts the request message to the network. The road side stations receive the message, and determine whether or not requested processing should be executed based on the service code and the location information. When determining that the processing should be executed, the road side station executes processing indicated by the service code.

This invention relates to a method of providing a simplified practice for dealing with aviation turbulence and other weather hazards that allows the end users to better communicate turbulence as a state of the atmosphere metric and the additional weather threats affecting the flight. The invention will provide an Atmospheric State Index (ASI) that will allow all the users to work with a standardized metric that describes the turbulence as the state of the atmosphere and a similar scale for other weather risks to the flight. This system will make the correlation between the forecast and aircraft reports for turbulence easier to interpret for the end users. This approach would concentrate on turbulence as one of the weather hazards with a more objective and easier to use metric. This invention would provide a transition for moving from a system based on turbulence PIREPS to a more objective data driven process in the future air traffic environment. This invention would provide an end solution for the future air traffic system commonly referred to as NextGen for both turbulence and other weather hazards.

The invention discloses an intelligent traffic system, which reduces traffic jam, environmental pollution, accident rate and the load of drivers and achieves the aims of ensuring security, improving efficiency and environment and saving energy resources. The technical scheme is that the invention adopts the intelligent traffic system which is formed by a road system composed of a lead-in lane and a totally-closed lane, a GPS positioning system, a 3G or 4G communication system, a control system and automatic travel vehicles. After using the intelligent traffic system, the driver can give up autonomic driving and uses automatic driving controlled by the system to reach the destination. The intelligent traffic system uses advanced information technology, data communication transmission technology, global positioning technology, geographic information system technology, electric control technology and computer processing technology, is a novel transportation system integrating informatization, intelligent and socialization and makes traffic infrastructure exert the largest efficacy.

The invention discloses an intelligent bag. The intelligent bag comprises a portable bag, a power source, an intelligent sensor, a network layer, a microprocessor, a man-machine interaction apparatus and an application layer. The intelligent bag is reasonably and effectively integrated with a series of technologies such as navigation positioning, block chains, electronic sensing, data networks, artificial intelligence, distributed calculation, automatic control, machine identification, mobile computation, man-machine interaction and the like and is embedded into a portable terminal so as to improve trip experience of people. An intelligent bag user, as a manager, a supervisor and a user of a peer-to-peer network system in a wireless Ad-hoc network, can perform self-disposition, self-maintenance, self-learning and self-production so that a decentralized self-growing trip database can be constructed. Hopefully, the intelligent bag can be a terminal member of the internet of things of an intelligent city traffic system.

The invention discloses a method and a device for speculating routes, relating to the technical field of intelligent traffic systems. The embodiment of the invention provides a route speculating method which comprises the following steps: establishing a relevant road network data structure and a relevant road network topology structure according to road information date of urban navigation electronic maps, wherein the road network data structure comprises nodes, road chains and mutual construction relations, and the road topology structure comprises communication relations among the road chains and all routes that each road chain can reach within a set time; receiving GPS positioning data of a floating car, wherein the GPS positioning data comprise time information, position information of a GPS positioned vehicle, vehicle running direction and vehicle running speed; carrying out map matching according to the position information of the GPS positioned vehicle to acquire alternative road chains of the GPS positioning data of the floating car; and acquiring a running route of the floating car according to the alternative road chains and the time information.

The invention discloses a shortest path planning method for dynamic origins, and belongs to the technical field of dynamic path guidance in an intelligent traffic system. The shortest path planning method is used for optimizing vehicle traveling routes. The shortest path planning method always takes a current vehicle position as a starting point and predicts road condition information such as traffic flow of relevant road sections and road intersections, and the like for many times according to vehicle running time to calculate a shortest path according to a path planning algorithm in a no-request mode at regular time, thereby acquiring a shortest time path in accordance with the real-time conditions of a road network better and directly displaying the shortest time path on the screen of a vehicle navigation system; and meanwhile, by the method, the update operation amount is less so as to shorten calculation time.

Systems and methods for generating visualization data representing network traffic flow in or out of one or more nodes, each node representing the network traffic for one or more web pages. The method includes visualizing data configured to connect the one or more nodes with one or more connectors, each connector configured to connect two nodes, the one or more connectors configured to have a dimension that indicates a number of visits between two nodes. The network traffic capable of being highlighted when a user selects the one or more nodes or connectors.

A method for dispatching buses in groups for a bus transit system comprising determining a service interval for each trip of the bus transit system, assembling group assignments based on the service interval for each trip, determining a dispatch schedule for each bus based on the service interval and the group assignment, communicating the dispatch schedule to each bus, and communicating group assignment information to each of a plurality of the buses in a group. The group assignment assigns a plurality of the buses into a group on a segment of the trip shared by the plurality of buses such that multiple buses for different trips can dock at a station at the same time like a train to facilitate transferring passengers.

The invention relates to an unattended remote monitoring control system for a road junction of railways, which is arranged at the intersection of a railway and a road. The remote monitoring control system comprises a wireless sensor, a road junction control box, a camera, a signaler, an electric barrier, an infrared sensor and a remote monitoring central server; the wireless sensor is in wireless connection with the road junction control box; the infrared sensor is arranged at both sides of the electric barrier and is connected with the road junction control box; the camera, the signaler and the electric barrier are respectively connected with the road junction control box; and the road junction control box is connected with the remote monitoring central server. Compared with the prior art, the system is based on the global energy saving of an urban track traffic system and all operating conditions of a vehicle and has the advantages of increasing the utility ratio of a vehicular energy-storage system and realizing the maximization energy saving of a track traffic system.

The invention discloses a method for acquiring a taxi-hailing hot spot based on taxi GPS data, and belongs to the field of intelligent traffic. The method comprises that: a taxi GPS record set in a period of time is acquired, and a record subset with occurrence of passenger getting on/off and empty taxi stoppage is selected from the record set; grids in which all GPS records in the record subset reside are confirmed, and number of times of occurrence of passenger getting on/off and empty taxi stoppage in each grid is acquired; hot spot grids are selected and spatially clustered; and taxi-hailing popularity of the hot spot grids is confirmed. With application of the method, searching of a surrounding empty taxi is facilitated for passengers, or the passengers are prompted to travel in other modes in case of no sufficient taxis so that travel time and cost of the passengers are saved, and thus operation efficiency of a taxi system and even the whole urban traffic system is enhanced.

The invention discloses an automatic vehicle navigation method, a navigation pattern information compiling method and vehicle navigation equipment. The automatic vehicle navigation method includes: displaying navigation pattern information on a road; acquiring the navigation pattern information through the vehicle navigation equipment; and regulating vehicle running parameters by the vehicle navigation equipment according to the acquired navigation pattern information. By the automatic vehicle navigation method, a function of satellite-free automatic vehicle driving can be realized, and automatic vehicle navigation for culverts, tunnels and dense high-rise building districts can be realized. The ground navigation pattern information acts in a close range, so that accuracy is high. Implementation cost of the automatic vehicle navigation method is low, so that whole-system implementation cost in automatic vehicle navigation can be lowered effectively. In addition, automatic power transmission, automatic circuit switching for vehicle lane changing and the like can be achieved for electric vehicles during automatic navigation, so that wide-range application of electric vehicles can be availed, dependence of traffic systems on petroleum is lowered and application of wind power and nuclear power in road traffic systems is achieved.

The invention provides an intelligent networked transportation system for an overall road network. The intelligent networked transportation system comprises a sensing, communication and control modulefor managing the entire transportation system connected by road segments and nodes. When intelligent networked vehicles travel in a transportation network, they will route different types of road facilities such as basic road sections, highways, main roads, traffic bottleneck sections, interlaced and confluence sections, intersections, the start or last one kilometer if the road, parking areas, bridges, tunnels, multi-modal hubs, etc. These different sections and nodes in a transportation network have significant differences in geometric design and facility characteristics. The invention provides a specific intelligent networked system subsystem design to adapt to different types of road characteristics and achieve complete door-to-door travel.

The invention discloses a roadside sensing system based on vehicle-road cooperation and a vehicle control method using the same. The system comprises intelligent roadside equipment, the intelligent roadside equipment comprises a roadside sensing module, a roadside processing module and a roadside communication module, the roadside sensing module comprises a sensor and is used for collecting surrounding environment information of a target vehicle, the roadside processing module is used for carrying out fusion processing on the collected surrounding environment information to form road environment information, the roadside communication module is used for sending the road environment information to the target vehicle, the target vehicle comprises a driving behavior decision module, and the driving behavior decision module is used for carrying out path planning according to the road environment information and carrying out automatic driving according to a path planning result. Therefore,a common vehicle on a road can realize automatic driving by interacting with the intelligent roadside equipment, the whole vehicle cost of configuring a sensing system on the vehicle is effectively reduced, and the cost of an intelligent traffic system is effectively reduced.

In a vehicle traffic system, the predetermined nominal trajectory for an autonomous vehicle is varied periodically within acceptable boundaries which define a permitted travel corridor. The corridor's boundaries ensure the continued safe and controlled operation of the vehicle within the system. In an embodiment of the invention, alternative trajectories are selected randomly; in another, they are parallel to one another. In yet another, preferred embodiment, judiciously-selected, alternative trajectories are repeated periodically according to a predetermined schedule designed to avoid repetitive travel over the same precise path, and possibly also selected for optimal results under different terrain, environmental, and/or operational conditions. According to another aspect of the invention, the shape and size of the corridor defining the boundaries for safe operation are varied in response to changed conditions to increase operational flexibility. Thus, by avoiding repeated passage precisely over the path of the nominal trajectory, rutting on the road is greatly reduced and a more uniform surface is maintained for travel.

The invention provides an intelligent connected traffic system, which is based on a system, applicable to different vehicle types and road levels and can realize automatic vehicle control. The intelligent connected traffic system particularly comprises the following subsystems: a traffic management system (1), a road-side unit system (2), a vehicle subsystem (3) and a communication system (4), wherein the traffic management system comprises a traffic control center and a traffic control unit which are layered for processing information and making a traffic operation instruction; the road-sideunit system is composed of a road-side unit for acquiring a data stream from a connected vehicle, detecting a traffic state and sending a target instruction to the connected vehicle; the vehicle subsystem is composed of a mixed vehicle flow with different connection degrees and automation degrees; and the communication system is used for providing wired or wireless communication service for all entities in the system. The driving control task and the algorithm between a vehicle and a traffic control network and a roadside unit network are re-adjusted and optimized, and a safer, more reliable and more economic traffic control and management solution is provided.

The invention discloses a monorail train and monorail traffic system controllable in adhesive force. The monorail train and monorail traffic system comprises a plurality of carriages and brackets located at the bottom parts of the carriages; each bracket is provided with a wheel; each wheel comprises at least one pair of driving guide wheels with power; the guide wheels are symmetrically arranged below two sides of a rail in pairs, and the radial direction of each guide wheel and the vertical direction of the rail form an upward oblique included angle; each bracket is also provided with a preload control system connected with the corresponding guide wheels. According to the monorail train and monorail traffic system controllable in adhesive force, disclosed by the invention, adhesive weight can be increased during starting and braking, and moreover, the adhesive weight is reduced during running, therefore the goals that the friction action of the rail is increased during starting or braking to rapidly implement acceleration or deceleration, and the friction action of the rail is reduced during constant-speed running to reduce energy consumption are further achieved.

Embodiments of systems and methods are disclosed for providing messages based on an identified ridership pattern of a user of a transit system. Embodiments can include receiving information associated with a plurality of transactions of the user of the transit system, and identifying a ridership pattern of the user of the transit system. A predicted time and duration that the user of the transit system will be at a predicted location can be determined based, at least in part, on the identified ridership pattern. A message can be formulated using this information, and the message can be sent to the user or other message subscriber. Messages can include a variety of information, including advertisements, transit status updates, and more.

The present invention provides an urban traffic system state visualization evaluation method based on traffic flow characteristics. Said method includes the following steps: A, in specific road section collecting real-time signal waveform whose continuous time is not less than three months, forming traffic flow state parameter; B, making traffic flow state parameter undergo the process of signal filter treatment so as to obtain traffic flow sample population; C, calculating average value and standard difference of all the samples in sample population, and using ratio value of standard difference and average value as sample discrete coefficient; D, according to traffic flow multidimensional state parameter strong aggregation characteristics forming and optimizing standard characteristic-phase plane graph for evaluation; and E, placing historical data, current data and predictive data of traffic system on the standard phase graph, and visually distinguishing running state of traffic system and its change tendency.

The invention relates to an intelligent traffic system-based intelligent vehicle lane changing decision-making method. The method comprises the following steps of firstly, parsing the received broadcast data of an intelligent traffic system by an intelligent driving system, and extracting the event information; secondly, completing the coordinate conversion of a road event by the intelligent driving system, and obtaining an event influence factor according to the event information; finally, according to the event overall influence factor and the judgment result that the current road environment allows the lane changing decision of a vehicle, allowing the lane changing path re-planning, simultaneously calculating the desired behavior of the vehicle and changing the lane of the vehicle. According to the technical scheme of the invention, according to the attribute of a road event ahead of the vehicle and the environmental information around the vehicle, the influence factor of the current vehicle driving road is calculated. Therefore, the necessity, the security and the reliability of the lane changing decision of an automatic driving vehicle are evaluated. Meanwhile, preparations are made in advance before the lane changing of the vehicle.