CN1317422A - Method and equipment for vehicle pilot and road network management - Google Patents
Method and equipment for vehicle pilot and road network managementDownload PDFInfo
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Abstract
Description
The present invention relates to the method and the device of a kind of automobile navigation and road network management, specifically be utilize mobile intelligent terminal and data transmission technology to the vehicle real-time positioning, personalized navigation Service is provided, and utilize forecast model prognosis traffic volume, real-time control signal lamp, thereby improve road network efficient.
China's road network and through street construction development at present rapidly, for economic construction and people's lives provide convenient condition.But along with the increase at full speed of various number of vehicleies, the transport administration method of road network and through street still can't the transport solution blockage problem at present.
Existing personal navigation service separates with urban traffic control, and main global positioning system (GPS) and the geographic information system (GIS) used of personal navigation service, its subject matter are that the GIS data bank needs often to upgrade, and can cause user's inconvenience.Navigationsystem is not considered real-time road conditions at present in addition, can not select optimal route at peak load conditions.Urban traffic control is mainly used equipment such as explorer, CCTV and is collected information, adopts the various types of signal device that wagon flow is controlled.Urban traffic control and personal navigation service are interrelated, but do not combine as yet by prior art, partly cause is that the vehicle real-time positioning information has individual's privacy, and traffic management system is if collect a series of problems such as violating one's privacy then might appear in utilization to these data.
The deficiency that purpose of the present invention exists at prior art and the method and the device of a kind of automobile navigation and road network management are provided, it can organically combine personal navigation service and urban traffic control, except the navigation Service that a kind of convenience, cheapness are provided for traveler, also can prevent traffic tie-up, make urban road network reach optimization, and improve the traffic potential of road network greatly.
Purpose of the present invention is achieved through the following technical solutions: the method for a kind of automobile navigation and road network management and device, and its method is as follows:
Before setting out, A, traveler, be delivered to control center by mobile radio communication or wireless data network earlier with its trip information input mobile intelligent terminal;
B, control center gather the trip information that numerous travelers transmit, predicted data in conjunction with real-time road and previous calculation is predicted following each road section traffic volume situation, produce the navigation instruction collection of each traveler according to this calculating that predicts the outcome, and for each desire traveler generates a unique random identification sign indicating number vehicle ID, and send the signal lamp control information;
C, control center transfer to mobile intelligent terminal with this identification code vehicle ID and navigation instruction collection by mobile communications network, and mobile intelligent terminal temporarily is stored in this number and instruction set among the memory device; In this trip of vehicle, control center's computing machine will be discerned this vehicle according to this unique random identification sign indicating number vehicle ID;
D, when vehicle passes through roadside control unit in the process of moving, control center positioned vehicle according to the time that the position and the vehicle of roadside control unit arrives this position; And the function that the information indicating of chaufeur is realized automobile navigation, traffic data collection by the information exchange and the mobile intelligent terminal of mobile intelligent terminal and roadside control unit, roadside control unit and control center, control center and mobile intelligent terminal; After roadside control unit and mobile intelligent terminal finish to communicate by letter, the communication function of mobile intelligent terminal SELF CL and roadside control unit, this function of self-opening again after a period of time;
Each server of E, control center carries out simultaneously and constantly repeats following task:
A, receive desire trip user's trip information, handle that navigation instruction is sent for it in the back and with rolling stock ID;
Self-position information and each vehicle ID that b, the special-purpose roadside control unit of reception transmit carry out real-time positioning to each vehicle;
C, according to real-time road, each vehicle real-time positioning data, user's trip information, last time predicted data etc. each road section traffic volume demand of following road network is predicted;
D, generate the flow of traffic dredging scheme according to each road section capacity and Traffic Demand Forecasting data computation;
E, the navigation instruction collection of each vehicle is revised, and sent its revised navigation instruction collection to each vehicle according to the real time position of current dredging scheme and vehicle;
F, each belisha beacon is controlled according to current dredging scheme;
G, the various data of storage backup;
F, after vehicle arrives the destination, mobile intelligent terminal, control center's computing machine are removed and are stored in the interim ID of local this vehicle.
Realize the device of said method, comprise by control center's computer set, mobile intelligent terminal, roadside control unit, data transmission network, public traffic information distributing device and traffic signal lamp control device constituting that its data transmission network is connected control center's computer set respectively with mobile intelligent terminal, public traffic information distributing device, traffic signal lamp control device, roadside control unit.In aforementioned: control center's computer set is made up of navigation server, location-server, forecasting traffic flow server, signal lamp Control Server and data backup server, navigation server is connected with location-server and forecasting traffic flow server, the forecasting traffic flow server is connected with signal lamp Control Server and location-server, and links to each other with data backup server; Mobile intelligent terminal is by the GIS data source, micro controller system, the information input/output module, the junction service module, mobile communication module and ROM and RAM form, its junction service module is bluetooth module or DSRC communication module, this module is connected with a ROM and RAM, contain fixedly electronic license plate information among the ROM, RAM stores interim electronic license plate information, the information input/output module is by LCDs, loud speaker, keyboard or touch-screen are formed, the GIS data source, the information input/output module, the junction service module, mobile communication module all is connected with the micro controller system that can store the communication navigation instruction set; Roadside control unit is made up of junction service module and data transmission module, the junction service module can be bluetooth module or DSRC communication module, data transmission module can be cable data transport module, wireless data transfer module, be connected by data transmission network with the location-server in the control center computer set, the junction service module with mobile intelligent terminal in cooresponding junction service module be connected with the wireless mode duplex; The public traffic information distributing device is existing variable information plate, lane control device, belisha beacon traffic signal devices; The traffic signal lamp control device comprises master control and forms with auxilliary control two parts, main control part is installed on certain signal lamp of crossing, auxilliary control device is installed on other signal lamps, main control part comprises bluetooth module, data transmission module and signal control micro controller system, its bluetooth module comprises the bluetooth baseband control chip, the blue teeth wireless control chip, bluetooth SR232 interface, buffer memory RAM, data transmission module links to each other with the signal control micro controller system, the signal control micro controller system is connected with bluetooth module by bluetooth SR232 interface, data transmission module is connected by data transmission network with traffic signal lamp Control Server in the control center computer set, the bluetooth module wireless connections mutually of bluetooth module and auxilliary control part, the controller of signal control micro controller system and signal lamp is connected; Data transmission network is mobile radio communication, wireless data network, cable data net or electric network.In above-mentioned: the junction service module in the mobile intelligent terminal is connected with junction service module in the roadside control unit by wireless mode; The mobile communication module of intelligent movable device links to each other by the navigation server of wireless data transmission net and control center computer set; The data transmission module of roadside control unit links to each other with location-server in the control center computer set; Signal lamp Control Server in control center's computer set links to each other by the data transmission module of data transmission network with the traffic signal lamp control device.
The present invention adopts technique scheme, can organically personal navigation service and urban traffic control be combined, except the navigation Service that a kind of convenience, cheapness are provided for traveler, also can prevent traffic tie-up, make urban road network reach optimization, and improve the traffic potential of road network greatly.
Below in conjunction with drawings and Examples in detail the present invention is described in detail.
Fig. 1 is a scheme drawing of the present invention.
Fig. 2 is a mobile intelligent terminal constructional drawing of the present invention.
Fig. 3 is mobile intelligent terminal master control interface circuit figure of the present invention.
Fig. 4 is a roadside control unit circuit diagram of the present invention.
Fig. 5 is mobile intelligent terminal of the present invention and control center's computer set information flow diagram.
Fig. 6 is a traffic signal lamp control device artwork of the present invention.
Fig. 7 is the auxilliary control of traffic signal lamp control device of the present invention partial circuit figure.
Fig. 8 is a traffic signal lamp control device main control part circuit diagram of the present invention.
Fig. 9 is a traffic signal lamp control device main control part micro controller system connection diagram of the present invention.
Shown in Fig. 1-9, this method implementation is as follows: earlier its departure point, destination and time of departure are imported intelligent movable device (4) by LCD touch-screen (7) before traveler sets out, the GPRS communication terminal (18) of mobile intelligent terminal (4) is delivered to this information the navigation server (26) of central computer (1) by GPRS communication network (2).Navigation server (26) calculates generation navigation instruction collection and (comprises best route and trip time, its general form is: roadside control unit ID number:: navigation instruction), and generate a unique random identification sign indicating number (vehicle ID), and this identification code and navigation instruction collection transferred to the GPRS communication module (11) of mobile intelligent terminal (4) by GPRS communication network (2), the MCS-51 micro controller system (14) of mobile intelligent terminal (4) takes out this identification code and navigation instruction collection and is stored among the RAM memory device of bluetooth module (4) from GPRS communication terminal (11).In this trip of vehicle, central computer will be discerned this vehicle according to this unique random identification sign indicating number (vehicle ID).The bluetooth module (21) of roadside control unit (3) always is in the PAGING state, and the bluetooth module (10) of mobile intelligent terminal (4) is in case receive the signal of roadside control unit (3) bluetooth module (21), the two just can set up communication in the short time, and roadside control unit (3) can read the ID of the interior vehicle of RAM memory device of the bluetooth module (10) that has mobile intelligent terminal (4); Obtain after the ID of vehicle, roadside control unit (3) triggers in-to-in GPRS communication terminal (18) immediately, sends to GPRS base station (23) with obtaining the interim ID of vehicle and the position ID of oneself.
Mobile intelligent terminal reads the position ID of roadside control unit simultaneously, and reads corresponding navigation instruction according to this position ID from navigation instruction is concentrated, by user's input/output module driver.Because when the bluetooth module (21) of roadside control unit (3) is in the MASTER status, can receive 7 information that are in the mobile intelligent terminal (4) of SLAVE state simultaneously, so work as several cars simultaneously by being to omit a certain car.Because the GPRS communication module (18) on the roadside control unit (3) is to be arranged to the fixedly address at login center, so data packet is sent to vehicle ID and position ID by gateway (24) location-server (25) of central computer (1).Central computer (1) comes vehicle is carried out real-time positioning according to vehicle ID, roadside control unit ID, time, speed.The forecasting traffic flow server (29) of central computer (1) transmits to such an extent that the The data forecast model of data and navigation server (26) calculates according to each roadside control unit (3), obtain road network and reached the interior traffic demand probability distribution of following certain hour at that time, traffic signal Control Server (28) is made control and treatment: determine the control of traffic measure according to road grid traffic demand forecast data and each road section capacity data, and by GPRS net (2) this control information is delivered to public traffic information distributing device (5) and traffic information control setup (6).Navigation server (26) redefines the best route of vehicle in case of necessity, and reaches mobile intelligent terminal (4) by GPRS net (2).
The MCS-51 micro controller system (14) of mobile intelligent terminal (4) is removed the interim vehicles identifications sign indicating number in the RAM memory device (19) of bluetooth module automatically after vehicle arrives the destination.
Claims (3)
1, the method for a kind of automobile navigation and road network management, it is characterized in that: method is as follows:
Before setting out, A, traveler, be delivered to control center by mobile radio communication or wireless data network earlier with its trip information input mobile intelligent terminal;
B, control center gather the trip information that numerous travelers transmit, predicted data in conjunction with real-time road and previous calculation is predicted following each road section traffic volume situation, produce the navigation instruction collection of each traveler according to this calculating that predicts the outcome, and for each traveler generates a unique random identification sign indicating number vehicle ID, and send the signal lamp control information;
C, control center transfer to mobile intelligent terminal with this identification code vehicle ID and navigation instruction collection by mobile communications network, and mobile intelligent terminal temporarily is stored in this number and instruction set among the memory device; In this trip of vehicle, control center's computing machine will be discerned this vehicle according to this unique random identification sign indicating number vehicle ID;
D, when vehicle passes through roadside control unit in the process of moving, control center positioned vehicle according to the time that the position and the vehicle of roadside control unit arrives this position; And the function that the information indicating of chaufeur is realized automobile navigation, traffic data collection by the information exchange and the mobile intelligent terminal of mobile intelligent terminal and roadside control unit, roadside control unit and control center, control center and mobile intelligent terminal; After roadside control unit and mobile intelligent terminal finish to communicate by letter, the communication function of mobile intelligent terminal SELF CL and roadside control unit, the communication function of self-opening and roadside control unit again after a period of time;
Each server of E, control center carries out simultaneously and constantly repeats following task:
A, receive desire trip user's trip information, handle that navigation instruction is sent for it in the back and with rolling stock ID;
Self-position information and each vehicle ID that b, the special-purpose roadside control unit of reception transmit carry out real-time positioning to each vehicle;
C, according to real-time road, each vehicle real-time positioning data, user's trip information, last time predicted data etc. each road section traffic volume demand of following road network is predicted;
D, generate the flow of traffic dredging scheme according to each road section capacity and Traffic Demand Forecasting data computation;
E, the navigation instruction collection of each vehicle is revised, and sent out its revised navigation instruction collection to each vehicle according to the real time position of current dredging scheme and vehicle;
F, each belisha beacon is controlled according to current dredging scheme;
G, the various data of storage backup;
F, after vehicle arrives the destination, mobile intelligent terminal, control center's computing machine are removed the interim ID that is stored in local this vehicle.
2, the device of a kind of automobile navigation and road network management, comprise computer set by control center, mobile intelligent terminal, roadside control unit, data transmission network, public traffic information distributing device and traffic signal lamp control device constitute, it is characterized in that: control center's computer set is by navigation server, location-server, the forecasting traffic flow server, signal lamp Control Server and data backup server are formed, navigation server is connected with location-server and forecasting traffic flow server, the forecasting traffic flow server is connected with signal lamp Control Server and location-server, and links to each other with data backup server; Mobile intelligent terminal is by the GIS data source, micro controller system, the information input/output module, the junction service module, mobile communication module and ROM and RAM form, its junction service module is bluetooth module or DSRC communication module, this module is connected with a ROM and RAM, contain fixedly electronic license plate information among the ROM, RAM stores interim electronic license plate information, the information input/output module is by LCDs, loud speaker, keyboard or touch-screen are formed, the GIS data source, the information input/output module, the junction service module, mobile communication module all is connected with the micro controller system that can store the communication navigation instruction set; Roadside control unit is made up of junction service module and data transmission module, the junction service module can be bluetooth module or DSRC communication module, data transmission module can be cable data transport module, wireless data transfer module, be connected by data transmission network with the location-server in the control center computer set, the junction service module with mobile intelligent terminal in cooresponding junction service module be connected with the wireless mode duplex; The public traffic information distributing device is existing variable information plate, lane control device, belisha beacon traffic signal devices; The traffic signal lamp control device comprises master control and forms with auxilliary control two parts, main control part is installed on certain signal lamp of crossing, auxilliary control device is installed on other signal lamps, main control part comprises bluetooth module, data transmission module and signal control micro controller system, its bluetooth module comprises the bluetooth baseband control chip, the blue teeth wireless control chip, bluetooth SR232 interface, buffer memory RAM, data transmission module links to each other with the signal control micro controller system, the signal control micro controller system is connected with bluetooth module by bluetooth SR232 interface, data transmission module is connected by data transmission network with traffic signal lamp Control Server in the control center computer set, the bluetooth module wireless connections mutually of bluetooth module and auxilliary control part, the controller of signal control micro controller system and signal lamp is connected; Data transmission network is mobile radio communication, wireless data network, cable data net or electric network.
3, device according to claim 2 is characterized in that: the junction service module in the mobile intelligent terminal is connected with junction service module in the roadside control unit by wireless mode; The mobile communication module of intelligent movable device links to each other with the navigation server of control center computer set by the wireless data transmission net; The data transmission module of roadside control unit links to each other with location-server in the control center computer set; Signal lamp Control Server in control center's computer set links to each other by the data transmission module of data transmission network with the traffic signal lamp control device.
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| CN 01115638CN1108249C (en) | 2001-04-28 | 2001-04-28 | Method and equipment for vehicle pilot and road network management |
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| CN 01115638CN1108249C (en) | 2001-04-28 | 2001-04-28 | Method and equipment for vehicle pilot and road network management |
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| CN1108249C CN1108249C (en) | 2003-05-14 |
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| CN1333548C (en)* | 2004-05-10 | 2007-08-22 | 中国科学院计算技术研究所 | Method for implementing adjustment of automobile flowrate of city road traffic by using new communication technology |
| CN100337256C (en)* | 2005-05-26 | 2007-09-12 | 上海交通大学 | Method for estimating city road network traffic flow state |
| WO2008058424A1 (en)* | 2006-11-14 | 2008-05-22 | Kamfu Wong | A method for road charging, road information and parking charging and navigation and the system thereof |
| CN100395788C (en)* | 2004-06-16 | 2008-06-18 | 武汉汉网天长智能交通网络有限公司 | Intelligent communication system based on high-speed cellular mobile communication |
| CN100395789C (en)* | 2006-03-29 | 2008-06-18 | 北京交通大学 | A Congestion Suppression Method for Urban Road Traffic System |
| CN100466007C (en)* | 2005-11-14 | 2009-03-04 | 上海经达实业发展有限公司 | Urban Road Traffic Flow Prediction and Traffic Information Guidance System |
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| CN102759738A (en)* | 2011-04-27 | 2012-10-31 | 中国科学院微电子研究所 | Navigation system and method thereof |
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| CN102759738A (en)* | 2011-04-27 | 2012-10-31 | 中国科学院微电子研究所 | Navigation system and method thereof |
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