CN105513391A - Vehicle-mounted virtual road state display system based on vehicle infrastructure cooperative technology - Google Patents
Vehicle-mounted virtual road state display system based on vehicle infrastructure cooperative technology Download PDFInfo
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- CN105513391A CN105513391A CN201610034923.8A CN201610034923A CN105513391A CN 105513391 A CN105513391 A CN 105513391A CN 201610034923 A CN201610034923 A CN 201610034923A CN 105513391 A CN105513391 A CN 105513391A
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Abstract
The invention discloses a vehicle-mounted virtual road state display system based on a vehicle infrastructure cooperative technology. The vehicle-mounted virtual road state display system comprises an information interaction system and a vehicle-mounted virtual display system, wherein the information interaction system is used for acquiring self information of a target vehicle, and information of other vehicles and road condition information in a present road region, and transmitting acquired integrated information to the vehicle-mounted virtual display system; the vehicle-mounted virtual display system takes the integrated information as vehicle infrastructure cooperative data and is used for transmitting the vehicle infrastructure cooperative data to a simulation system; the simulation system is used for carrying out processing integration on the received vehicle infrastructure cooperative data, displaying the vehicles and a road condition of a current road section, and traffic flow information of each road section in the present road region in real time through a virtual picture, and giving corresponding warning and reminding to a driver by aiming at various emergency conditions. The system can be used for performing real-time simulation according to changes of driving conditions of the vehicles on a present road and road surface conditions, so that the driver can know about conditions of the surrounding vehicles and roads ahead, and furthermore, the control on traffic jam is improved and the road safety of the driver is improved.
Description
Technical field
The invention belongs to intelligent transportation field, be specifically related to a kind of Vehicular virtual road condition display system based on bus or train route coordination technique.
Background technology
Vehicular virtual display system is the primary study content of intelligent transportation field, and bus or train route coordination technique is the basis realizing Vehicular virtual display system.Bus or train route coordination technique is the intelligent transport technology based on truck traffic and the bus or train route communication technology.Vehicle, the information of vehicle and condition of road surface between road side system and traffic information management center, can be exchanged in real time.Therefore, how by the vehicle of reception and traffic information at vehicle, transmit fast and accurately between road side system and traffic control system and process and virtual being presented on Vehicular display device is a difficult problem main at present.For the overall situation or the localized road information that make driver promptly understand surrounding vehicles and front road conditions in time, be badly in need of a kind of road information Vehicular virtual display system of bus or train route coordination technique.
Summary of the invention
The object of the invention is the information status in order to make driver obtain surrounding vehicles and road ahead more quickly and accurately, a kind of Vehicular virtual road condition display system based on bus or train route coordination technique is provided, this system can carry out real time modelling emulation according to the change of the travel conditions of vehicle on present road and pavement behavior, to reach the accurate information that driver has a clear understanding of surrounding vehicles and road ahead situation, and give driver for emergency and remind accordingly and warn, thus safer when driver is travelled.
To achieve these goals, the present invention is by the following technical solutions:
Based on a Vehicular virtual road condition display system for bus or train route coordination technique, comprise information interaction system and Vehicular virtual display system;
Other information of vehicles in described information interaction system acquisition target vehicle self information, present road region and traffic information, and the integrated information of acquisition is sent to Vehicular virtual display system;
Described Vehicular virtual display system is made up of Information Acquisition System and analogue system: described Information Acquisition System receives the integrated information of target vehicle self information that described information interaction system obtains, other information of vehicles in present road region and traffic information, and integrated information is sent to analogue system as vehicle road cooperation data; The vehicle road cooperation data of reception is carried out process and is integrated by described analogue system, shown the car flow information in each section in current road segment vehicle, road conditions and present road region by virtual screen in real time, and give driver for various emergency and warn accordingly and remind;
Described analogue system comprises information interaction module, vehicle road cooperation data processing module, Simulation Control module, model foundation and display module, model dynamic parameter display module, visual angle switching at runtime module; Information interaction between described information interaction module in charge Information Acquisition System and analogue system, every special time receive Information Acquisition System upgrade after vehicle road cooperation data, realize the information transmission of signal conditioning package and share; The vehicle road cooperation data received, as emulated data adapter, processes by described vehicle road cooperation data processing module, converts the data that model is set up and display module can identify to; Described Simulation Control module carries out total simulation control to analogue system, the propelling time of management emulation, operation, time-out, the continuation of control imitation, stops and exiting; Described model foundation and display module according to the corresponding visual scene of the data genaration after the process of vehicle road cooperation data processing module and model, and realize the display of emulated interface; The data genaration model dynamical state parameter that described model dynamic parameter display module upgrades according to vehicle road cooperation data processing module, and in simulation process by corresponding model dynamical state parameter display on the model of emulated interface; Described visual angle switching at runtime module is for carrying out the switching emulating visual angle.
The road information Vehicular virtual display system of a kind of bus or train route coordination technique of the present invention, described information interaction system is made up of onboard system, road side system and traffic information management centring system; Adopt radio communication to connect between the onboard system of each vehicle in current road segment, obtain the vehicle around target vehicle and traffic information; In present road region, the onboard system of each vehicle adopts radio communication to be connected with road side system respectively, obtains all vehicles in current road segment certain limit and traffic information; Road side system in present road region adopts radio communication to be connected with between traffic information management centring system, traffic information management center adopts radio communication to be connected with all vehicles in present road region respectively, obtains all information of vehicles in all sections, present road region and car flow information and traffic information.
A kind of Vehicular virtual road condition display system based on bus or train route coordination technique of the present invention, described onboard system comprises:
Location and sensing device, it is for obtaining the running status of vehicle self, comprises the positional information of vehicle, the road condition information of road that parameters, vehicle when travelling runs over;
Radio-cell, board units realizes communicating to connect by radio-cell and other vehicles, road side system, traffic information management centring system;
Vehicle-borne information processor, it receives information of location and sensing device collection, after all information received being carried out processing and integrate, is sent to vehicle and the road side system of surrounding by radio-cell.
A kind of Vehicular virtual road condition display system based on bus or train route coordination technique of the present invention, described road side system comprises:
Roadside unit, it is arranged on the roadside, road in each section of road area, connected by data line between each roadside unit in road area, form road internet, roadside unit is according to the traffic state of current road segment, pavement behavior and weather conditions, and decision-making goes out vehicle and limits in the travel speed of current road segment;
Hotspot, it is built in roadside unit, realizes the communication connection of road side system and onboard system and traffic information management centring system;
Trackside sensor, for Real-time Collection pavement behavior, traffic, weather conditions;
Trackside signal conditioning package, the road condition information that the map of the current road segment that the information that its other vehicles of overall treatment current road segment and roadside unit send, its inside prestore, trackside sensor gather, is integrated into the integrated information of current road segment.
A kind of Vehicular virtual road condition display system based on bus or train route coordination technique provided by the invention, by the acquisition of onboard system to the information such as self-position and speed, interim wireless data pathway is set up by the vehicle of short-range wireless communication technology and surrounding, information data is sent to other vehicles, in hot spot region, send information to road side system, then send traffic information management center to by road side system.Traffic information management center processing is returned after the car flow information in each section of current region obtained and the information integration of current road segment surrounding vehicles again to each vehicle.
System of the present invention not only can understand the information status of present road and surrounding vehicles in real time, and can also according to the needs of driver with different angles, different ratios shows the information of road in current region and vehicle on Vehicular display device, in case of emergency the warning corresponding to driver and prompting can also be given, thus strengthen the understanding of driver to surrounding vehicles and front road conditions, take effective measures in time.Traffic efficiency can be improved with traffic congestion controls based on the Vehicular virtual display system that bus or train route is collaborative, thus minimizing haulage time, fuel consume, the road safety of raising driver, and contribute to environmental protect.The mode of this onboard system display simultaneously provides the communication of comfortableness and information service effectively to improve road safety and traffic efficiency to driver.
Accompanying drawing explanation
Fig. 1 the present invention is based on the collaborative information acquiring pattern schematic diagram of bus or train route;
Fig. 2 is systematic schematic diagram of the present invention;
Fig. 3 is the specifying information interaction content based on bus or train route coordination technique of the present invention;
Fig. 4 is the display frame schematic diagram on Vehicular display device of the present invention.
Embodiment
Be illustrated in figure 1 based on the collaborative information acquiring pattern schematic diagram of bus or train route, vehicle interior equipment cart set sensor, is exchanged mutually by short-range wireless communication technology between vehicle, realizes (C2C) truck traffic, obtains the integrated information of surrounding vehicles.The critical positions in roadside, road is provided with roadside unit, the built-in hotspot of roadside unit, vehicle is automatically interconnected with focus in hotspot range, and realization (C2I) vehicle communicates with roadside unit, obtains the integrated informations such as the vehicle of current road segment and pavement behavior.Traffic information management centring system is provided with in each region, all information of vehicles and traffic information process by traffic information management centring system, again the information after process is sent to all vehicles in hotspot range, thus the vehicle location information enabling vehicle obtain in current region on each section, thus obtain the car flow information in each section, for virtual display system carries out the information data that test pavement simulating provides required.
As shown in Figure 2, a kind of Vehicular virtual road condition display system based on bus or train route coordination technique, comprises information interaction system and Vehicular virtual display system.
Described information interaction system is made up of onboard system, road side system and traffic information management centring system, carry out truck traffic to communicate with bus or train route, obtain corresponding traffic information, as other information of vehicles in target vehicle (this car) self information, present road region and traffic information, and the integrated information of acquisition is sent to Vehicular virtual display system.Each road area comprises multiple section, truck traffic and bus or train route communication refer to: by short-range radio communication between the onboard system on the vehicle in current road segment, obtain the vehicle around target vehicle and traffic information, connected by wireless communication technology between the onboard system of current road segment vehicle and roadside unit, obtain all information of vehicles in vehicle current road segment certain limit and traffic information, hotspot technical communication is passed through between vehicle and Center For Information Management in present road region, obtain car flow information and the traffic information in all sections in the certain limit of vehicle present road region.
Described onboard system is by multiple sensing technologies such as GPS, high precision micrometer and analog simulations, integrating monitoring, navigation, sensing, communication and simulation unit, realize the integrated of MPV (Multi-Purpose Vehicle) mounted terminal, mainly comprise: location and sensing device, radio-cell, vehicle-borne information processor.
Described location and sensing device comprise GPS positioning system, wheel speed onboard sensor, power performance sensor, braking ability sensor, the information such as the position of vehicle, speed, the pavement behavior of road run over and the flicker situation (the traveling intention of driver) of cab signal lamp can be read, thus the running status of perception automobile self.
Described radio-cell, the board units of vehicle can set up interim wireless data pathway with other vehicles in current road segment and roadside unit by in-plant wireless data communications by radio-cell, realizes truck traffic; Can also be communicated by remote-wireless with the region focus of the traffic information management centring system in present road region, realize bus or train route communication.
Described vehicle-borne information processor is the receives information of onboard system, process, storage and dispensing device, it receives the information of location and sensing device collection, the all information received are processed, filter out interfere information useless, as the signal lamp of the vehicle that has nothing to do at a distance, the speed etc. of irrelevant vehicle at a distance, is then integrated all information after process, by wireless communication technology, the integrated information after integration is sent to vehicle and the roadside unit of surrounding by radio-cell.
The various supervisory systems that described road side system is arranged primarily of road area Nei Dao roadside, information acquisition and communication facilities are formed, and mainly comprise: roadside unit, hotspot, trackside sensor, trackside signal conditioning package.
Described roadside unit refers to the roadside unit arranged in the roadside, road in each section, by existing mode between road area each roadside unit interior, namely remote data line is interconnected, form road internet, roadside unit is by the traffic state according to current road segment, pavement behavior and weather conditions, give the travel speed restriction of a vehicle current road segment, vehicle is travelled more safely and effectively.
Described hotspot shows the way the built-in hotspot of side unit, when in the hotspot range that vehicle enters certain roadside unit, will automatically connect this focus, thus realizes the information interaction of vehicle and roadside unit.And roadside unit is all connected by wireless with traffic information management center.
The described trackside sensor side system that shows the way supports the access of the sensors such as earth magnetism, video, road surface slippery situation degree, weather, the information such as pavement behavior, traffic, weather conditions that the reception that road side system can be real-time is transmitted by these sensors.
The road condition information that the map of the current road segment of the information that described trackside signal conditioning package sends according to other vehicles of current road segment and roadside unit and its storage inside and sensor obtain is integrated into the integrated information of current road segment, and sends to Center For Information Management and all vehicles through current road segment hotspot scope by hotspot.
Described traffic information management centring system refers to be provided with traffic information management center in each road area, is the administrative center of this road area all sections traffic information, mainly comprises information processing and dispensing device.
Described information processing and dispensing device receive the integrated information of roadside unit and the vehicle transmission coming from each section in this road area, then focus is sent to after integrating process, vehicle in hotspot range will be connected with focus automatically, finally realizes the wireless information interaction of vehicle and Center For Information Management.
As shown in Figure 3, the concrete interaction content that truck traffic communicates with bus or train route comprises: the information interaction content between target vehicle and surrounding vehicles comprises pavement behavior that the locating information of vehicle, the speed of vehicle and acceleration, vehicle run over, the signal lamp situation of vehicle and both running distances etc., target vehicle and the information interaction content between traffic information management center and roadside unit comprise: the vehicle that this car first receives by target vehicle and road surface integrated information send to traffic information management center and roadside unit, then target vehicle obtains the vehicle location information of the current road segment sent by roadside unit, current road segment cartographic information, the integrated information of the vehicle that current road segment safe velocity and roadside unit receive and road conditions, and obtain comprehensive positioning information in the present road region vehicle that sent by traffic information management center, current region section cartographic information, the vehicle that weather conditions and traffic information management receive centre arrive and road conditions integrated information.
Described Vehicular virtual display system is made up of Information Acquisition System and analogue system.The integrated information (vehicle road cooperation data) coming from vehicle, trackside and Center For Information Management that vehicle-borne information processor by onboard system receives by information interaction system, by the technology transfer of vehicle-carrying communication CAN to the Information Acquisition System of Vehicular virtual display system, after information processing being integrated by analogue system, be presented on Vehicular display device by virtual screen, the virtual car flow information demonstrating each section in current road segment vehicle, road conditions and present road region, and give driver for various emergency and warn accordingly and remind.
Described analogue system comprises information interaction module, vehicle road cooperation data processing module, Simulation Control module, model foundation and display module, model dynamic parameter display module, visual angle switching at runtime module.Wherein information interaction module is the important module of whole analogue system, it is responsible for the information interaction between Information Acquisition System and analogue system, vehicle road cooperation data after upgrading is transferred to information interaction module by (preset time) at set intervals, maintain by continuous information interaction the operation that analogue system advances in time, realize receiving the transmission of information to signal conditioning package and sharing; Vehicle road cooperation data processing module comprises data conversion module, as emulated data adapter, the vehicle road cooperation data received is converted to the data that simulation software language VC can identify, along with information interaction module constantly receives new data, vehicle road cooperation data processing module correspondingly can produce the data constantly updated; Simulation Control module is that the total simulation of whole analogue system controls, the propelling time of management emulation, operation, time-out, the continuation of control imitation, stops and exiting; Model is set up and display module refers to that simulation software is according to the corresponding visual scene of the data genaration after the process of vehicle road cooperation data processing module and model, and realizes the display of emulated interface.Model dynamic parameter display module according to the data genaration model dynamical state parameter constantly updated after the process of vehicle road cooperation data processing module, and in simulations by corresponding model dynamical state parameter display on the model of emulated interface, as the speed of a motor vehicle of vehicle; Visual angle switching at runtime module carries out emulating the switching at visual angle according to the order input of simulation result and user, as the Scalable of picture.
This analogue system is mainly through the method for VC object-oriented modeling and emulation, set up a software interface, produce visual road scene, real-time analog simulation is carried out to all vehicles on present road and traffic information, virtual is presented on Vehicular display device, obtains the display frame shown in Fig. 4.When we input car status information such as vehicle that the current map information that transmitted by GPS and vehicle-borne information processor obtain real-time locating information, speed and signal lamp etc., the direct model setting up out current region section and vehicle, road surface model shows real-time condition of road surface, as road work ahead, there is pit in front, road surface ahead is comparatively sliding, and shows corresponding speed, the information such as signal lamp flicker situation on target vehicle and its surrounding vehicles.
The information that this Vehicular virtual display system is arrived by communications reception between vehicle, the real-time speed of display surrounding vehicles and the information such as position, the flicker of cab signal lamp situation, safe distance and pavement behavior;
The information that this Vehicular virtual display system is arrived by vehicle and roadside unit communications reception, shows position and average velocity, the pavement behavior of current road segment and the maximum speed limit of current road segment of all vehicles on current road segment.
The information that this Vehicular virtual display system is received by vehicle and traffic information management center to center communications, the road conditions integrated information in each section in display current region, obtain the traffic state in each section in current region, can also automatically calculate after user inputs destination generation the most fast, the happiest travel route, and show the time needed for current route; Thus be convenient to driver and select fast, unimpeded road driving, raises the efficiency.Information all above all on vehicle-carrying display screen, will enable driver more quick, understands condition of road surface accurately, driving variable is obtained safer, fast.
This Vehicular virtual display system can also according to various emergency give driver remind and warning, as emergency vehicle traveling, road work ahead and exceed safe distance etc., just can carry out the preparation of changing in advance;
This Vehicular virtual display system according to the travel speed of target vehicle, can also show the condition of road surface adapted in scope automatically, certain driver also can manual adjustments display section scope.
Claims (4)
1. based on a Vehicular virtual road condition display system for bus or train route coordination technique, it is characterized in that, comprise information interaction system and Vehicular virtual display system;
Other information of vehicles in described information interaction system acquisition target vehicle self information, present road region and traffic information, and the integrated information of acquisition is sent to Vehicular virtual display system;
Described Vehicular virtual display system is made up of Information Acquisition System and analogue system: described Information Acquisition System receives the integrated information of target vehicle self information that described information interaction system obtains, other information of vehicles in present road region and traffic information, and integrated information is sent to analogue system as vehicle road cooperation data; The vehicle road cooperation data of reception is carried out process and is integrated by described analogue system, shown the car flow information in each section in current road segment vehicle, road conditions and present road region by virtual screen in real time, and give driver for various emergency and warn accordingly and remind;
Described analogue system comprises information interaction module, vehicle road cooperation data processing module, Simulation Control module, model foundation and display module, model dynamic parameter display module, visual angle switching at runtime module; Information interaction between described information interaction module in charge Information Acquisition System and analogue system, every special time receive Information Acquisition System upgrade after vehicle road cooperation data, realize the information transmission of signal conditioning package and share; The vehicle road cooperation data received, as emulated data adapter, processes by described vehicle road cooperation data processing module, converts the data that model is set up and display module can identify to; Described Simulation Control module carries out total simulation control to analogue system, the propelling time of management emulation, operation, time-out, the continuation of control imitation, stops and exiting; Described model foundation and display module according to the corresponding visual scene of the data genaration after the process of vehicle road cooperation data processing module and model, and realize the display of emulated interface; The data genaration model dynamical state parameter that described model dynamic parameter display module upgrades according to vehicle road cooperation data processing module, and in simulation process by corresponding model dynamical state parameter display on the model of emulated interface; Described visual angle switching at runtime module is for carrying out the switching emulating visual angle.
2. a kind of Vehicular virtual road condition display system based on bus or train route coordination technique as claimed in claim 1, it is characterized in that, described information interaction system is made up of onboard system, road side system and traffic information management centring system; Adopt radio communication to connect between the onboard system of each vehicle in current road segment, obtain the vehicle around target vehicle and traffic information; In present road region, the onboard system of each vehicle adopts radio communication to be connected with road side system respectively, obtains all vehicles in current road segment certain limit and traffic information; Road side system in present road region adopts radio communication to be connected with between traffic information management centring system, traffic information management center adopts radio communication to be connected with all vehicles in present road region respectively, obtains all information of vehicles in all sections, present road region and car flow information and traffic information.
3. a kind of Vehicular virtual road condition display system based on bus or train route coordination technique as claimed in claim 2, it is characterized in that, described onboard system comprises:
Location and sensing device, it is for obtaining the running status of vehicle self, comprises the positional information of vehicle, the road condition information of road that parameters, vehicle when travelling runs over;
Radio-cell, board units realizes communicating to connect by radio-cell and other vehicles, road side system, traffic information management centring system;
Vehicle-borne information processor, it receives information of location and sensing device collection, after all information received being carried out processing and integrate, is sent to vehicle and the road side system of surrounding by radio-cell.
4. a kind of Vehicular virtual road condition display system based on bus or train route coordination technique as claimed in claim 2, it is characterized in that, described road side system comprises:
Roadside unit, it is arranged on the roadside, road in each section of road area, connected by data line between each roadside unit in road area, form road internet, roadside unit is according to the traffic state of current road segment, pavement behavior and weather conditions, and decision-making goes out vehicle and limits in the travel speed of current road segment;
Hotspot, it is built in roadside unit, realizes the communication connection of road side system and onboard system and traffic information management centring system;
Trackside sensor, for Real-time Collection pavement behavior, traffic, weather conditions;
Trackside signal conditioning package, the road condition information that the map of the current road segment that the information that its other vehicles of overall treatment current road segment and roadside unit send, its inside prestore, trackside sensor gather, is integrated into the integrated information of current road segment.
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