CN102385804A - Intelligent traffic system and navigation method thereof - Google Patents

Intelligent traffic system and navigation method thereof Download PDF

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Publication number
CN102385804A
CN102385804A CN2010102788711A CN201010278871A CN102385804A CN 102385804 A CN102385804 A CN 102385804A CN 2010102788711 A CN2010102788711 A CN 2010102788711A CN 201010278871 A CN201010278871 A CN 201010278871A CN 102385804 A CN102385804 A CN 102385804A
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information
navigation
service center
intelligent
traffic
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CN2010102788711A
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谈宇清
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谈宇清
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Abstract

The invention relates to an intelligent traffic system and a navigation method thereof. The intelligent traffic system comprises an intelligent traffic service center and N mobile terminals. The intelligent traffic service center comprises a distributed server cluster, a geographic information system (GIS), an original information data base and a forecast information data base; the original information data base contains continuously added road driving information; the forecast information data base contains road condition data of all future time intervals; the mobile terminals automatically express to drivers after receiving the navigation command of the intelligent traffic service center, and sending the road condition data acquired in the driving process to the intelligent traffic service center. In the intelligent traffic system, dynamic and accurate real-time navigation information is provided for the vehicle drivers, and the road use ratio is also optimized and the congestion degree is also relieved while the vehicle driving directions are optimized. The mobile terminals and a vehicle-mounted navigator are not required to be provided with the GIS, and the map information in the intelligent traffic system does not need to be periodically upgraded or updated.

Description

一种智能交通系统及其导航方法 An intelligent transportation system and navigation method

[0001] 技术领域 [0001] Technical Field

本发明涉及一种智能交通系统及其导航方法,尤其涉及一种利用云计算技术和无线通讯技术优化单个交通工具行车路线的智能交通系统。 The present invention relates to an intelligent transportation system and navigation method, and in particular cloud computing a single wireless communication technology vehicle route optimization intelligent transportation system utilizing relates.

[0002] 背景技术 [0002] BACKGROUND OF THE INVENTION

目前现代化大城市的交通系统是基于中央视频监控的人工调度系统,固定在交通要点的信息采集系统获取交通动态信息,这种交通动态信息也可以是基于电话反馈的交通路况。 Currently modern city transport system is manual scheduling system based on a central video surveillance, fixed obtain traffic information in the dynamic traffic information collection points system, this dynamic traffic information may also be based on the feedback of telephone traffic and road conditions. 电台广播系统能够把人工编辑后的交通动态信息发布出去,交通警察采用人海战术在交通要道指挥交通。 Radio system able to publish dynamic traffic information out of manual editing, traffic police in the use of human wave tactics roads directing traffic.

[0003] 今天很多性能卓越的交通工具安装了导航系统,这种GPS(Global Positioning System全球定位系统)车载终端基于自身配置的GIS地图(GIS Geographic Information System地理信息系统)和GPS模块获取的卫星定位信息在日新月异的交通网路中摸索前行。 [0003] Today, many high performance vehicle mounted navigation system, the GPS (Global Positioning System Global Positioning System) vehicle terminal based on GIS map (GIS Geographic Information System Geographic Information System) and GPS module configures itself acquired satellite positioning information groping forward in the ever-changing network traffic.

[0004] 现有技术中的种种交通系统和导航方法,无论是通过RFID(Radio Frequency Identification射频识别)数据采集或者基于视频信息,还是通过人工电话反馈基于语音信息,其数据采样点的数量和实时性都是不连续和不完整的,因而行驶中的交通工具不能实时获取前方路况,得不到准确、实时和恰当的行车建议。 [0004] The various transport systems and navigation methods of the prior art, whether collected by RFID (Radio Frequency Identification RFID) based on the video data or information, or voice information through a feedback based on manual telephone, the data in real time and the number of sampling points sex is discontinuous and incomplete, thus driving the vehicle can not be obtained in real time in front of traffic, lack of accurate, real-time and appropriate travel recommendations. 因为驾驶员缺乏对交通状况及道路信息的实时把握,进一步导致公路交通系统的整体运行状况不能实时优化,更不能动态优化;所以交通事故或交通意外疏通周期长,道路交通系统的车辆通行效率得不到保证; 常常是到达目的地的耗时难以预测,不仅增加了车辆的单位里程的能耗,而且往往因为经常性堵塞影响工作,增加了社会成本。 Because the driver's lack of grasp of the real-time traffic and road information, and further lead to the overall health of the highway transportation system is not real-time optimization, not dynamic optimization; so traffic accident or traffic accident to clear a long cycle, vehicle efficiency of road transport system was less than assurance; often unpredictable time-consuming to reach the destination, not only increases energy consumption per unit of vehicle mileage, and often because of recurring blockage affecting work, increasing social costs.

[0005] 发明内容 [0005] SUMMARY OF THE INVENTION

本发明的主要目的在于公开一种智能交通系统及其导航方法,为单个交通工具优化行车路线,提高公共交通道路系统的利用率,并在客观上起到调度车辆行驶路线的作用。 The main object of the present invention is to disclose a method of navigation and intelligent traffic system, optimized for a single vehicle route, improve the utilization of the public road transport system and acts as the vehicle travels the route schedule in the objective.

[0006] 本发明公开了一种智能交通系统,包括智能交通服务中心,和N个移动终端,N是大于等于1的整数;所述智能交通服务中心包括分布式服务器集群,以及地理信息系统、原始信息数据库和预测信息数据库;所述原始信息数据库中包含不断新增的道路行驶信息; 所述预测信息数据库中包含未来各时段的路况数据;所述原始信息数据库中的历史的和实时的道路通行信息、结合地理信息系统的路网信息进行预测运算而得出所述预测信息数据库中的未来路段通行信息;所述移动终端接收来自所述智能交通服务中心的导航指令,并在行车过程中采集路况数据发送到智能交通服务中心的原始信息数据库。 [0006] The present invention discloses an intelligent transportation system, comprising intelligent transportation service center, the mobile terminal and N, N being an integer greater than or equal to 1; the intelligent traffic service center comprises a distributed server cluster, and a geographic information system, original information database and forecasting information database; the original information contained in the database are constantly new road information; the information contained in the database to predict future traffic data for each time period; and real-time road information database in the original history travel-related information, binding information GIS road network to predict the future prediction calculation to derive the link travel-related information in the information database; mobile terminal receives the instruction from the intelligent traffic navigation service center, and during driving send collect traffic data to the original information database intelligent transportation service center.

[0007] 本发明公开的智能交通系统,还包括如下从属技术特征: [0007] The present invention disclosed in intelligent transportation systems, further comprising the technical features of the dependent:

[0008] 所述原始信息数据库中包含与地理信息系统(GIS)对应的路网信息,并把路网中的每一条道路都适当地分成多个具有起始点的路段;所述智能交通服务中心发出的导航指令至少包含一个优化后的路段组合。 [0008] The original information contained in the database and geographic information system (GIS) information corresponding to the road network and the road network in each of a plurality of roads are divided into sections with appropriate starting point; the Intelligent Transport Services navigation command issued after a combination comprising at least one link optimization.

[0009] 所述预测信息数据库中的信息包括每一个路段在未来一段时间内的车流量和平均车速的预测数据。 [0009] The prediction information includes prediction information database traffic and average vehicle speed data for each road segment in the next period of time. [0010] 所述的智能交通系统,还包括M个信息终端,M是大于1的整数;所述信息终端输出所述预测信息数据库中的信息。 [0010] The intelligent traffic system, the information terminal further comprises M, M being an integer greater than 1; the output terminal information of the prediction information in the database.

[0011] 所述信息终端交互式信息终端,或者是固定的站台式信息终端;所述交互式信息终端是能够进行联网查询、搜索操作的各种个人电脑、智能手机、上网本等终端信息设备, 以通过交互的方式向智能交通服务中心查询所述原始信息数据库和预测信息数据库;所述站台式信息终端持续接收并显示来自智能交通服务中心的信息显示设备。 [0011] The information terminal interactive information terminals, desktop or fixed station information terminal; the interactive information terminal is able to query network, a variety of personal computers, smartphones search operation, Internet and other information terminal equipment, querying the database to the original information to the database and the intelligent traffic prediction information service center by way of interaction; the desktop station information terminal continuously receives and displays information from the intelligent traffic service center display apparatus.

[0012] 所述移动终端包括控制模块、无线收发模块、GPS模块和人机界面模块;所述控制模块中包括CPU、存储器、时钟和电源,是用于控制所述移动终端的协调运行的硬件和软件的组合;所述GPS模块通过导航卫星获取当前位置、行驶方向和速度数据,并送给所述控制模块;所述无线收发模块在所述控制模块的控制下完成与智能交通服务中心的通讯,上行下达各种数据和信息;所述人机界面模块用于显示和\或语音和\或文字输出输入,实现导航。 [0012] The mobile terminal includes a control module, a wireless transceiver module, GPS module, and the man-machine interface module; coordinate the operation of the control module comprises a CPU, a memory, a clock and a power source, for controlling the hardware of the mobile terminal and a software; and the GPS satellite navigation module obtained by the current position, traveling direction and speed data, and sent to the control module; a wireless transceiver module is complete and intelligent transportation service centers under control of the control module communication, various data and information upstream issued; the human interface module for displaying and \ or voice and \ or text input and output, a navigation.

[0013] 所述交互式信息终端包括控制模块、无线收发模块、人机界面模块和功能软件模块;所述控制模块中包括CPU、存储器、时钟和电源,是用于控制所述交互式信息终端的协调运行的硬件和软件的组合;所述无线收发模块在所述控制模块的控制下完成与智能交通服务中心的通讯,上行下达各种数据和信息;所述人机界面模块用于显示和\或语音输出以及文字或者语言输入;所述功能软件模块用于支持在智能交通服务中心的所述原始数据库和预测信息数据库中搜索并下载所需要的信息。 [0013] The interactive information terminal includes a control module, a wireless transceiver module, a human interface module and functional software module; the control module comprises a CPU, a memory, a clock and a power source, for controlling the interactive information terminal the coordinated operation of the combination of hardware and software; the wireless transceiver module is done under control of the control module and communication intelligent transportation service center, various data and information upstream issued; the human interface module for displaying and \ or text or voice output and input language; the functional software modules to support the search for and download the required information in the intelligent transportation center of the original database and predictive information in the database.

[0014] 本发明还公开了一种智能交通系统的导航方法,使用前述的智能交通系统,包括如下步骤: [0014] The present invention also discloses a method for intelligent traffic navigation system, using the intelligent traffic system, comprising the steps of:

[0015] 第一步,所述智能交通服务中心接受并建立一个导航任务后,获取该导航任务的当前点和目标点,并且在所述移动终端移动的过程中周期性地获取变化的当前点; [0015] The first step, after receiving the Intelligent Transport Services and create a navigation task, the task of obtaining the current navigation and destination points, and acquires a change during the movement of the mobile terminal periodically current point ;

[0016] 第二步,所述智能交通服务中心在所述地理信息系统中搜索出从当前点到目标点的多个导航路段组合,根据地理信息系统中上述导航路段组合中的每个路段的限速和路程的长度情况,按照移动终端的要求优化导航路段组合; [0016] The second step, the search for intelligent traffic service center in the geographical information system links a plurality of combinations of navigation from the current point to the target point, according to the GIS, the navigation link combination of each link speed and distance of the length of the case, according to the requirements of the mobile terminal to optimize the navigation link composition;

[0017] 第三步,所述智能交通服务中心发送优化的导航路段组合给所述移动终端。 [0017] The third step is to optimize the transmission intelligent traffic service center to the mobile navigation terminal segment composition.

[0018] 本发明公开的导航方法,还包括如下从属技术特征: [0018] The navigation method of the present invention is disclosed, comprising the further dependent technical features:

[0019] 在所述第二步中,所述智能交通服务中心还根据所述预测信息数据库中的信息选择实时路况较优的路段优化导航路段组合。 [0019] In the second step, the Intelligent Transportation service center is also based on information in the database to select the real-time traffic prediction superior combination of road sections to optimize navigation.

[0020] 在所述第二步中,所述智能交通服务中心周期性地根据实时的当前点和目标点重新搜索优化新的导航路段组合;或者,当所述移动终端请求时,或者当所述智能交通服务中心发现所述移动终端采用的导航路段组合的前方路况发生重大变化时,所述智能交通中心根据实时的当前点和目标点重新搜索优化新的导航路段组合。 [0020] In the second step, the intelligent traffic service center periodically re-search optimization new navigation links according to a combination of real-time current and destination points; Alternatively, when the mobile terminal requests, or when the when said intelligent transportation service center found significant changes in the navigation section of the mobile terminal using a combination of the front of the traffic occurs, the intelligent transportation center re-search optimization of new navigation sections combined according to real-time current and destination points.

[0021] 在所述第三步中,所述智能交通服务中心还根据所述移动终端的需求动态地报告到达目标点所需要的行车时间和里程。 [0021] In the third step, the intelligent traffic service center also reaches the mileage and travel time required for a target point according to the reporting requirements of the mobile terminal dynamically.

[0022] 本发明的导航方法,还包括第四步,所述移动终端实时发送所在交通工具的行驶信息给智能交通服务中心,包括停、走的状态,行驶的速度和方向;也可以发送所在交通工具的运载负荷状态和车况状态。 [0022] The navigation method according to the present invention, further comprising a fourth step, the real-time mobile terminal is transmitting to a vehicle traveling information intelligent traffic service center, including stop walking state, running speed and direction; to be transmitted is located and carrying the load state of the vehicle state condition.

[0023] 本发明的智能交通系统通过云计算技术和瘦客户端技术利用无线通讯技术为交通工具驾驶人提供动态、实时、准确的导航信息,在优化单个交通工具行车路线的同时,优化交通道路系统的利用率,提高行车效率。 [0023] intelligent transportation system of the invention by cloud computing technology and thin-client technology utilizes wireless communication technology to provide dynamic transport drivers, real-time, accurate navigation information, while optimizing individual vehicle driving directions, road traffic optimization utilization of the system and improve traffic efficiency. 提高了驾驶员的架乘体验,降低车辆能耗。 Improve the driver's experience take the stand, reducing vehicle energy consumption. 车载导航仪不要求带有地理信息系统(GIS),也无需周期性升级或更新其中的地图信息。 Car navigation systems are not required with geographic information systems (GIS), there is no need to upgrade or update them periodically map information. 优化的实时性和准确率可大幅度提高,带来的经济效益和社会效益十分显著。 Optimization of real-time and accuracy can be greatly improved, bringing economic and social benefits is very significant.

附图说明 BRIEF DESCRIPTION

[0024] 图1是本发明的智能交通系统的原理框图。 [0024] FIG. 1 is a block diagram of the intelligent transportation system according to the present invention.

[0025] 图2是本发明的智能交通服务中心完成导航任务的实施例的工作流程图。 [0025] FIG 2 is a flowchart of an embodiment of the present invention, intelligent traffic service center to complete the navigation task.

[0026] 图3是本发明的移动终端的一个实施例的原理框图。 [0026] FIG. 3 is a schematic block diagram of one embodiment of a mobile terminal according to the present invention.

[0027] 图4是本发明的互动式信息终端的一个实施例的原理框图。 [0027] FIG. 4 is a schematic block diagram of one embodiment of the interactive information terminal of the present invention.

[0028] 具体实施方式 [0028] DETAILED DESCRIPTION

下面结合附图和具体实施方式对本发明作进一步详细说明。 Hereinafter, the present invention is described in further detail in conjunction with accompanying drawings and specific embodiments.

[0029] 本发明的智能交通系统及其导航方法,在智能交通服务中心采用云计算技术,在移动终端上采用瘦客户端技术。 Intelligent Transport System navigation method [0029] of the present invention, use of cloud computing in intelligent transportation service center, thin client technology in a mobile terminal. 客户端通常固定在交通工具上,在与车辆同步移动的状态下,通过无线数字通讯技术与云计算中心进行数据交换,包括向上传输自身采集的行车数据,以及下载导航指令。 The client is typically secured on the vehicle, with the vehicle in the synchronous mobile state, data exchange via wireless digital communication technologies and cloud computing center, comprising transmitting traffic data collection itself upwards, and a download navigation instructions. 目前投入运营的无线数字通讯技术包括但不限于GPRS\CDMA\ WCDMA,以及其它3G、4G的移动通讯技术。 Currently in operation wireless digital communication technologies including, but not limited to GPRS \ CDMA \ WCDMA, and other 3G, 4G mobile communication technology.

[0030] 如图1所示是本发明的智能交通系统的原理框图,智能交通系统包括智能交通服务中心,和N个移动终端,以及M个信息终端,这里的N和M是大于1的自然数。 [0030] As shown in FIG. 1 is a block diagram of the intelligent transportation system according to the present invention, the system includes a intelligent transportation intelligent transportation service center, and N mobile terminals, information terminals and M, where N and M are natural numbers greater than 1, . 智能交通服务中心包括分布式服务器集群,以及原始信息数据库和预测信息数据库和地理信息系统(Geographic Information System,简禾尔GIS)。 Intelligent Transportation service center including a distributed server clusters, and the original information database and forecasting information database and GIS (Geographic Information System, Jane Wo Seoul GIS).

[0031] 地理信息系统是一种获取、存储、分析和管理地理空间数据的信息系统。 [0031] is a geographic information system acquisition, information storage systems, analyze and manage geospatial data. 它是在地理学、地图学、测量学和计算机科学等学科基础上发展起来,具有空间数据的获取、存储、显示、编辑、处理、分析、输出和应用等功能的信息系统。 It was developed in geography, cartography, surveying and computer science and other disciplines, based on a spatial data acquisition, storage, display, editing, processing, functional analysis, output and application of information systems. 简而言之,GIS是一个基于数据库管理系统(DBMS)的分析和管理空间对象的信息系统,以地理空间数据为操作对象是地理信息系统与其它信息系统的根本区别。 In short, GIS is a database management system (DBMS) in the analysis and management of spatial objects based information systems to geospatial data for the operation object is the fundamental difference between GIS and other information systems. 在GIS系统中,可以进行分层编辑和信息叠加。 In GIS systems, you can be layered and edited information overlay. 譬如新开通了道路,以及长时间的交通管制和道路封堵可以由智能交通服务中心对GIS中的相关信息进行人工编辑和设置。 For example, opened a new road, as well as traffic control and road closure can be a long and settings manually edit the GIS related information from the Intelligent Transportation Service Center. 临时性的道路拥堵可以由系统根据智能计算在GIS中进行相关路段标记,使之在特定的时间段内设置为通行速度为0,这样新建立的导航进程在该时段会自动排除这一段道路进入路网组合。 Temporary road congestion can be calculated by the system based on intelligence related to road marking in GIS, so that in a certain period of time pass rate is set to 0, this newly established navigation process in this period will be automatically excluded from this stretch of road into the road network combination.

[0032] N个移动终端可以是很多个车载式导航仪,这种移动终端能够在行车过程中采集路况数据并发送到智能交通服务中心,如果是公共交通工具还可以把自身的信息例如满载情况上报智能交通服务中心;移动终端与智能交通服务中心保持双向通讯,还能够接收来自智能交通服务中心的导航指令,并通过图像显示出来和/或语音提示出来。 [0032] N number of mobile terminals may be a car navigation device, such a mobile terminal capable of collecting traffic data sent to the service center in the Intelligent Transport driving process, if the public transport information may also be, for example, to their full load reported intelligent transportation service center; mobile terminal and intelligent transportation service center to maintain two-way communication, navigation can also receive instructions from the intelligent transportation service center, and the image is displayed and / or voice prompts out.

[0033] M个信息终端,可以是交互式信息终端,也可以是固定的站台式信息终端。 [0033] M number information terminal, may be an interactive information terminal may be a fixed station desktop information terminal. 交互式信息终端是安装了功能软件的各种个人电脑、智能手机,通过交互的方式向智能交通服务中心查询自己的位置、各种不同地区的交通实施、以及实时的交通状况,等等。 The interactive information terminal is to install the software features a variety of personal computers, smart phones, check their position to the Intelligent Transportation service center by way of interaction, the implementation of various traffic in different areas, as well as real-time traffic conditions, and so on. 站台式信息终端可以定时接收来自智能交通服务中心的信息,例如公交车、或者火车的到站车次,到站时间,是否延误,等等。 Desktop station information terminal can regularly receive information from intelligent traffic service centers, such as bus, train or train station, arrival time, whether the delays, and so on.

6[0034] 分布式服务器集群是协调工作的多个服务器的组合,从终端看,就仿佛是一个服务器。 A combination of a plurality of servers 6 [0034] is a distributed server cluster coordination, from the terminal to see, if it is a server.

[0035] 在本发明的地理信息系统GIS中包含对交通道路网的详细设定,如地理位置、路名、道路行车方向(单向还是双向)、车道数量、限速值、路口转弯方向等。 [0035] The set contains detailed road network in the traffic information system GIS according to the present invention, such as location, road names, road traffic direction (unidirectional or bidirectional), the number of lanes, speed limit value, the turning direction of the intersection . 一条道路往往被分割成多个路段。 A road often divided into multiple sections. 分割原则包括存在道路交叉口、车道变化、限速值变化、桥梁、隧道,以及路名变化等节点的存在。 Segmentation principles include the presence of road intersections, lane changes, there are changes in the value of the node's speed limit, bridges, tunnels, and road names change. 每一个路段都会有一个唯一的标识号码进行对应。 Each segment will have a unique identification number for the corresponding. 同一个路段具有某些相同的信息,例如高速公路,在不同的各个出口之间被分为一个、一个的路段组合, 一号出口和二号出口之间是路段1,二号出口和三号出口之间是路段2,等等。 With a link having some of the same information, such as highways, is divided between a different respective outlets, is a link between the combination of road sections 1, II and One export outlet, II and III outlet between the exit road is 2, and so on. 在该GIS系统中,每一个路段在每一个特定时刻只有一个平均行车速度。 In the GIS system, each of the average driving speed is only one segment at each particular moment. 每一个路段的长度都是已知的。 The length of each segment are known.

[0036] 原始信息数据库中包含了不断更新的由移动终端记录并传入的行车数据信息。 [0036] original information database contains information recording driving data by the mobile terminal and the incoming constantly updated. 智能交通服务中心按照行车数据信息采集点的地理位置和行车方向,将其与来自地理信息系统中的特定路段挂钩。 Intelligent Transportation Service Center in accordance with the location and driving direction of the traffic data collection point, which is tied to specific sections from the geographic information system.

[0037] 预测信息数据库,包括大量的对采集到的各个路段的历史行驶信息、和实时信息的优化整合后的路况数据,对每一个路段都能给出未来一段时间内车流量和平均车速。 [0037] forecast information database, including a large collection of historical travel information to various sections of, and traffic data to optimize the integration of real-time information for every road can give traffic flow and average speed for some time.

[0038] 如图2所示是本发明的智能交通服务中心完成导航任务的实施例的工作流程图。 [0038] FIG. 2 is a flowchart of an embodiment of the present invention, intelligent traffic service center to complete the navigation task. 智能交通服务中心在接受并建立一个导航任务后,首先会周期性地获取导航任务的当前点和目标点(例如不同的经纬度,或者其他在路网中标注出来的坐标值);然后在根据地理信息系统中划分的路网路段搜索出从当前点到目标点的多个路段组合,有道是条条大路通罗马,从当前点到目标点的路段组合常常不止一个;然后再根据每个路段的限速和实时的通行情况,根据客户移动终端的要求选择优化路段组合,优选行车时间最短的路段组合,或者行车里程最短的路段组合;然后把优化的路段组合发送给移动终端,还可以根据移动终端的需求动态地报告到达目标点所需要的行车时间和里程。 Intelligent Transportation service center after receiving and the establishment of a navigation task, the first task will get periodically navigate the current and destination points (such as different latitude and longitude, or other marked out in the road network coordinate values); and then based on the geographical information system divided road segment network searches a plurality of combinations of links from the current point to the target point, saying roads lead to Rome, combination of road sections from the current point to the target point is often more than one; then according to each segment the speed and real-time traffic, the mobile terminal according to requirements of customers select the optimal combination of road sections, preferably the shortest travel time sections combined, or a combination of mileage of the shortest link; then transmitted to the optimized combination of the mobile terminal link, also in accordance with the mobile terminal needs to report the dynamic journey time of arrival and the mileage needed for the target point.

[0039] 这里,智能交通服务中心不仅能按照不同的到达目的地的路线的长短来优化导航路段组合,还可以按照各条道路的限速对到达目的地所需要的时间长短的影响来优化导航路段组合;而且还可以按照移动终端所选择的导航路段组合中的前方的路况,来更新更优化的导航路段组合。 [0039] Here, intelligent transportation center not only to optimize the navigation section in accordance with a combination of different length routes to a destination, you can also follow the speed limit on the roads of the length of time required for the destination of influence reach to optimize navigation combination of road sections; navigation link but also a combination of the mobile terminal according to the selected road in front of the updated navigation link more optimized combination. 也就是说,在移动终端的运动过程中,智能交通服务中心周期性地接受移动终端上报的当前点(即移动终端当前的所在位置),并且周期性地反复搜索到达目标点的路段组合,并且根据原始信息数据库、预测信息数据库来优化更新导航路段组合。 In other words, during the movement of the mobile terminal, intelligent transportation service center to accept the current point moves periodically reported by the terminal (ie, the current location of the mobile terminal), and periodically repeating combination search section to reach the target point, and according to the original information database, updated forecast information database to optimize the navigation section of the combination. 智能交通服务中心还可以根据移动终端的要求,即时搜索、优化导航路段组合。 Intelligent Transportation service center can also according to the requirements of the mobile terminal, instant search, navigation optimized combination of road sections.

[0040] 如图3所示是本发明的移动终端的一个实施例的原理框图。 [0040] FIG. 3 is a schematic block diagram of one embodiment of a mobile terminal according to the present invention shown in FIG. 包括控制模块、无线收发模块、GPS模块和显示和\或语音输出模块;控制模块中包括CPU、存储器、时钟和电源等等硬件和软件,用于控制移动终端的协调运行;GPS模块通过导航卫星获取当前位置、行驶方向和速度等等数据;无线收发模块完成与智能交通服务中心的通讯,上行下达各种数据和信息;显示和\或语音输出模块是人机界面,输出行车的指令等等信息,也可以接收输入fe息。 It comprises a control module, a wireless transceiver module, GPS module, and a display and \ or voice output module; control module comprises a CPU, a memory, a clock and a power supply hardware and software and the like, for coordinating operation of controlling a mobile terminal; the GPS satellite navigation module obtaining a current position, traveling direction and speed, etc. transactions; wireless transceiver module to complete the communication with the intelligent traffic service center, various data and information upstream issued; display and \ or voice output module is a man-machine interface, the output of driving instructions, etc. information may also receive input information fe.

[0041] 图4是本发明的互动式信息终端的一个实施例的原理框图。 [0041] FIG. 4 is a schematic block diagram of one embodiment of the interactive information terminal of the present invention. 与移动终端不同之处在于它还有功能软件模块,互动式信息终端可以包括或者不包括GPS模块。 The mobile terminal is different in that it has the function of software modules, the interactive information terminal may or may not include a GPS module. 功能软件模块支持互动式信息终端在智能交通服务中心的预测信息数据库中搜索并下载所需要的信息。 Functional software module supports interactive information terminal forecast in Intelligent Transportation Service Center to search for information in the database and downloads the information they need. [0042] 在本发明的一个实施例中,导航任务是这样完成的: [0042] In one embodiment of the present invention, the navigation task is accomplished by:

[0043] 1、公交车的驾驶员或司乘人员预先提交行车目的地的信息(包括但不限于地名、 经度纬度数值); [0043] 1, the bus driver or passengers traffic destination information previously submitted (including but not limited to names, numerical latitude and longitude);

[0044] 2、与车辆同步移动的客户端即时采集自身地理位置信息、行车方位信息和速度信息,并通过无线网络将上述信息迅速传送到智能交通的云计算中心; [0044] 2, with the vehicle moving in synchronization client instantly acquire their geographic location information, traffic speed information and azimuth information, and said information over the wireless network quickly transmitted to the cloud computing center of the intelligent transportation;

[0045] 3、云计算中心经过综合运算,在GIS中搜索并优化路段组合,将导航指令(优化的路段组合)快速发回到客户端; [0045] 3, cloud computing center through the integrated operation, the search and optimization combination of road sections in the GIS, the navigation instructions (optimized combination of road sections) quickly sent back to the client;

[0046] 4、客户端将导航指令转换成文字、语音和图像提示,将以行车指令传递给驾驶员; [0046] 4, the client navigation instructions converted into text, image, and voice prompts, instructions will be transmitted to the driver driving;

[0047] 或者4. 1、客户端连接自动驾驶系统直接进行车辆驾驶; [0047] or 4.1, the client directly connected to the autopilot system to drive a vehicle;

[0048] 5、车辆除了能和云计算中心进行实时通讯和数据交换以外,还能和邻近的车辆进行点对点通讯,以防范和避免撞车等交通事故的发生。 [0048] 5, except for vehicles capable of real-time communication and data exchange and cloud computing center, but also the adjacent vehicle and point to point communication, in order to prevent and avoid crashes and other traffic accidents.

[0049] 在本发明的另一个实施例中,移动终端获取路段组合的流程中,具体交通工具根据实时路况获取智能导航服务的流程包括: Process [0049] embodiment, the mobile terminal acquires link combined flow in another embodiment of the present invention, particularly a vehicle navigation service according acquiring smart real-time traffic comprises:

[0050] 1、驾驶员或司乘人员初始化安装于车辆的智能交通系统客户端,并提交行车目的地的信息(包括但不限于地名、经度纬度数值); [0050] 1, the driver or passengers mounted on Intelligent Transport System Initialization Client vehicle and traffic destination information submitted (including but not limited to names, numerical latitude and longitude);

[0051] 2、客户端即时采集自身地理位置信息、行车方位信息和速度信息,并通过无线网络将上述信息迅速传送到智能交通服务中心的云计算中心; [0051] 2, the client's own real-time geographic location information collection, driving direction information and speed information, and this information will be quickly transferred to the cloud computing center Intelligent Transportation service center over a wireless network;

[0052] 3、云计算中心经过综合运算(详述原理),将行车指令快速发回到客户端; [0052] 3, after a comprehensive cloud computing center operations (detailed in principle), the driving instructions quickly sent back to the client;

[0053] 4、客户端将数字化的指令转换成文字、语音和图像提示,实现智能导航; [0053] 4, the client converts the digital command into text, image, and voice prompts, intelligent navigation;

[0054] 或者4. 1、客户端连接自动驾驶系统直接进行车辆驾驶; [0054] or 4.1, the client directly connected to the autopilot system to drive a vehicle;

[0055] 本发明的车辆客户端除了能和云计算中心进行实时通讯和数据交换以外,还能和邻近的车辆进行点对点通讯,以防范和避免撞车等交通事故的发生。 Vehicle client [0055] The present invention can be carried out in addition to real-time communication and data exchange and cloud computing center, but also the adjacent vehicle and point to point communication, in order to prevent and avoid crashes and other traffic accidents.

[0056] 如上所述,本发明的客户端同时承担着数据采集并且实时上传、数据下载以及指令表达的功能。 [0056] As described above, according to the present invention, while the client data acquisition and the real time bear upload, download functional expression data and instructions. 因此本发明的每一个客户端同时还是一个移动的交通路况传感器。 Thus each client of the present invention is also a mobile traffic conditions sensor.

[0057] 本发明的智能交通服务中心也是一种云计算中心,用于完成路网状态分析和车流动态分析,并且针对特定的具体交通工具提供行车路线的优化运算。 [0057] Intelligent Transport service center according to the present invention is also a cloud computing center, for the completion of the road traffic network state analysis and dynamic analysis, and to provide route optimization operation specific for a particular vehicle.

[0058] 本发明的客户端的运算能力主要用于对自身及对自身有着物理连接的设备的驱动,它自身可以不必拥有地理信息系统数据资源,也可以不必具备路线优化等运算功能;用于实时获取前方路况所需的动态地图、交通道路的实时拥堵信息及各主干道的行车速度信息全部存放智能交通服务中心——云计算中心。 [0058] The client computing capabilities of the invention itself and is mainly used for the physical device itself has a drive connection, may not necessarily have its own GIS data resources, may not necessarily be provided with route optimization calculation function; for real-time dynamic map needed to get in front of traffic, real-time traffic congestion information and various road traffic speed information for all main roads stored intelligent transport services - cloud computing Center. 客户端(车载终端)不必下载地图信息, 只需要获取交通工具与目的地相关的导航指令。 The client (car terminal) without having to download map information, only need to get a vehicle navigation instructions relating to the destination. 避免了服务器端与车载终端之间存在地图版本不一致等问题。 To avoid the presence of map version and inconsistent between server-side and on-board terminal problem. 它在客观上也解决了车载终端上使用的地图信息与实际公路网信息不一致的问题。 It is also the objective to solve the inconsistency of the actual road map information and network problems using information on the vehicle terminal.

[0059] 发明的技术原理是:车载终端与云计算中心通过无线网络进行双向数据交换。 [0059] The technical principles of the invention are: in-vehicle terminal and a cloud computing center bidirectional exchange of data over the wireless network. 车载终端间断性发送行车状态信息(地理位置、行车方向、车速、时间戳)给云计算中心。 Intermittent driving vehicle terminal transmits the status information (location, direction of travel, speed, time stamp) to the cloud computing center. 云计算中心将上述海量数据提炼成各路段在各时段的畅通拥堵状态(区间行车速度和车流量)。 The above-described cloud computing center of mass data refined into various sections in the jam clear state for each time period (driving speed and the traffic section). 云计算中心在接到导航请求后,对导航进程实时进行模拟运算,给出优化路线。 Cloud Computing Center after receiving the request for navigation, real-time simulation of navigation process operations were presented to optimize routes. 其技术要点在于运用群体智能算法(如聚类算法、遗传算法、混沌优化算法)和MapReduce模式将所有车辆实时采集的各途经点的行车状态信息分地理片区转化成路网中的每一个路段在不同时间段的平均车速及平均车辆通过数量(车流量)。 The technical points that the use of swarm intelligence algorithms (such as clustering, genetic algorithms, chaos optimization algorithm) and MapReduce model combines the service status of each waypoint for all vehicles real-time collection of information points each geographic Area transformed into a congested road in the different average speed and the average vehicle time period by the number of (traffic). 而云计算系统则依据这两个参数模拟运算并给出每一个导航进程的预计行车时间。 The cloud computing system is based on these two parameters and gives each a simulated operational navigation process estimated travel time.

[0060] 本发明在系统架构上:车载终端负责数据采集、无线通讯和导航指令解析(转换成语音信息和图形提示)。 [0060] In the system architecture of the present invention: in-vehicle terminal for data acquisition, wireless communications and navigation command analysis (into voice information and graphical prompts). 而绝大部分计算以并行线程的方式在云计算中心完成。 The vast majority of calculations in parallel threads to complete in the cloud computing center.

[0061] 云计算中心负责在原始信息数据库中对城市内部及城市之间的路网信息的建立和更新、对路网中所有道路区间的车流和任意时段车速信息的实时刷新,以及对导航请求的响应和对应导航进程的建立。 [0061] Cloud Computing Center is responsible for all traffic in real-time refresh road section and establish and update at any time, the road network road network information within and between cities and urban speed information in the original information in the database, as well as navigation request the establishment response and the corresponding navigation process. 与搜索引擎对搜索结果的一次性响应不同,对导航请求响应的背后,是对每个导航进程的建立、调整、跟踪、结束所对应着一个导航任务生命周期。 And a one-time response to a search engine search results are different, behind the navigation request response process is established for each navigation, adjustment, tracking, corresponding to the end of the life cycle of a navigation task.

[0062] 以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。 [0062] The foregoing is only preferred embodiments of the present invention but are not intended to limit the present invention, any modifications within the spirit and principle of the present invention, equivalent substitutions and improvements should be included in the present within the scope of the invention.

Claims (12)

1. 一种智能交通系统,包括智能交通服务中心,和N个移动终端,N是大于等于1的整数;其特征在于,所述智能交通服务中心包括分布式服务器集群,以及地理信息系统、原始信息数据库和预测信息数据库;所述原始信息数据库中包含不断新增的实时道路通行信息;所述预测信息数据库中包含未来各时段的路况数据;所述原始信息数据库中的历史的和实时的道路行驶信息与地理信息系统中的路网信息结合进行预测运算得出所述预测信息数据库中的未来各时段的路况数据;所述移动终端接收来自所述智能交通服务中心的导航指令,并在行车过程中采集路况数据发送到智能交通服务中心的原始信息数据库。 1. A transportation system, comprising intelligent transportation service center, the mobile terminal and N, N being an integer greater than or equal to 1; wherein the service center includes a intelligent traffic distributed server cluster, and a geographical information system, the original information database and forecasting information database; the original information contained in the database are constantly new real-time road traffic information; the information contained in the database to predict future traffic data for each time period; and real-time road information database in the original history travel information and the road network in the geographic information system for predicting binding deriving the prediction calculating traffic data for each time period in the future information database; mobile terminal receives the instruction from the intelligent traffic navigation service center, and traffic collect traffic data during transmission to the original information database intelligent transportation service center.
2.如权利要求1所述的智能交通系统,其特征在于,所述地理信息系统包含的路网信息,把路网中的每一条道路都适当地分成多个具有起始点的路段;所述智能交通服务中心发出的导航指令是优化后的路段组合。 2. The intelligent traffic system according to claim 1, characterized in that the road network information included in the geographical information system, the road network in each road are suitably divided into a plurality of sections having a starting point; the navigation instructions issued by the intelligent transportation service center is a combination of optimized road.
3.如权利要求2所述的智能交通系统,其特征在于,所述预测信息数据库中的信息包括每一个路段在未来一段时间内的车流量和平均车速的预测数据。 Intelligent Transportation System according to claim 2, wherein the prediction information includes information database for each link predicted average speed data traffic, and in the next period of time.
4.如权利要求1所述的智能交通系统,其特征在于,还包括M个信息终端,M是大于1 的整数;所述信息终端输出所述预测信息数据库中的信息。 4. The intelligent traffic system according to claim 1, wherein the information terminal further includes M, M being an integer greater than 1; the output terminal information of the prediction information in the database.
5.如权利要求4所述的智能交通系统,其特征在于,所述信息终端是交互式信息终端, 或者是固定的站台式信息终端;所述交互式信息终端是能够进行联网查询、搜索操作的各种个人电脑、智能手机、上网本等终端信息设备,以通过交互的方式向智能交通服务中心查询所述原始信息数据库和预测信息数据库;所述站台式信息终端包括持续接收并显示来自智能交通服务中心的信息的终端显示设备。 The search operation is capable of interactive network information terminal queries; intelligent transportation system as claimed in claim 4, wherein said information terminal is an interactive information terminals, desktop or fixed station information terminal the variety of personal computers, smart phones, the Internet and other information terminal equipment to the original query database information and prediction information database to intelligent transportation service center by way of interaction; the information terminal includes a desktop station continued to receive and display information from intelligent traffic terminal information service center of the display device.
6.如权利要求1所述的智能交通系统,其特征在于,所述移动终端包括控制模块、无线收发模块、GPS模块和人机界面模块;所述控制模块中包括CPU、存储器、时钟和电源,是用于控制所述移动终端的协调运行的硬件和软件的组合;所述GPS模块通过导航卫星获取当前位置、行驶方向和速度数据,并送给所述控制模块;所述无线收发模块在所述控制模块的控制下完成与智能交通服务中心的通讯,上行下达各种数据和信息;所述人机界面模块用于显示和\或语音和\或文字输出输入,实现导航。 6. The intelligent traffic system according to claim 1, wherein the mobile terminal includes a control module, a wireless transceiver module, GPS module, and the man-machine interface module; said control module comprises a CPU, a memory, a clock and a power supply , a mobile terminal for controlling the coordinated operation of the combination of hardware and software; the GPS satellite navigation module obtained by the current position, traveling direction and speed data, and sent to the control module; a wireless transceiver module under the control of the control module to complete the communication with the intelligent traffic service center, various data and information upstream issued; the human interface module for displaying and \ or voice and \ or text input and output, a navigation.
7.如权利要求5所述的智能交通系统,其特征在于,所述交互式信息终端包括控制模块、无线收发模块、人机界面模块和功能软件模块;所述控制模块中包括CPU、存储器、时钟和电源,是用于控制所述交互式信息终端的协调运行的硬件和软件的组合;所述无线收发模块在所述控制模块的控制下完成与智能交通服务中心的通讯,上行下达各种数据和信息;所述人机界面模块用于显示和\或语音输出以及文字或者语言输入;所述功能软件模块用于支持在智能交通服务中心的所述原始数据库和预测信息数据库中搜索并下载所需要的信息。 7. The intelligent traffic system according to claim 5, wherein the interactive information terminal includes a control module, a wireless transceiver module, a human interface module and functional software module; the control module comprises a CPU, a memory, clock and power, are a combination of coordination for controlling the operation of the interactive information of the terminal hardware and software; to complete the communication of the wireless transceiver module and intelligent transport services center under the control of the control module, various uplink Release data and information; the man-machine interface module for display and \ or text or voice output and input language; the functions of the software module for the support of intelligent transportation service center original database and predictive information in the database search and download the required information.
8. 一种智能交通系统的导航方法,使用如权利要求1至7所述的智能交通系统,其特征在于,包括如下步骤:第一步,所述智能交通服务中心接受并建立一个导航任务后,获取该导航任务的当前点和目标点,并且在所述移动终端移动的过程中周期性地获取变化的当前点;第二步,所述智能交通服务中心在所述地理信息系统中搜索出从当前点到目标点的多个导航路段组合,根据地理信息系统中上述导航路段组合中的每个路段的限速和路程的长度情况,按照移动终端的要求优化导航路段组合;第三步,所述智能交通服务中心发送优化的导航路段组合给所述移动终端。 8. A navigation method intelligent transportation system, using intelligent transportation system as claimed in claim to claim 71, characterized by comprising the steps of: a first step of the intelligent transportation service centers for a navigation task and create the obtaining the current task navigation and destination points, and acquires the current point changes periodically during the movement of the mobile terminal; a second step, the intelligent transport services searched in the GIS a plurality of navigation links composition from the current point to the target point, according to the speed and the length is the distance in the geographic information system, the navigation link each link combination, in accordance with the requirements of the mobile terminal to optimize the navigation link composition; a third step, optimization of the intelligent traffic transmission service center to the mobile navigation terminal segment composition.
9.如权利要求8所述的导航方法,其特征在于,在所述第二步中,所述智能交通服务中心还根据所述预测信息数据库中的信息选择实时路况较优的路段优化导航路段组合。 9. The navigation method according to claim 8, wherein, in the second step, the intelligent traffic service center also select superior real-time traffic optimized navigation link according to the prediction information of the link information in the database combination.
10.如权利要求9所述的导航方法,其特征在于,在所述第二步中,所述智能交通服务中心周期性地根据实时的当前点和目标点重新搜索优化新的导航路段组合;或者,当所述移动终端请求时,或者当所述智能交通服务中心发现所述移动终端采用的导航路段组合的前方路况发生重大变化时,所述智能交通服务中心根据实时的当前点和目标点重新搜索优化新的导航路段组合。 10. The navigation method according to claim 9, wherein, in the second step, the intelligent traffic service center periodically re-search optimization new navigation links according to a combination of real-time current and destination points; Alternatively, when the mobile terminal requests, or when the intelligent transport services found significant changes in the road ahead of the road combined navigation using a mobile terminal occurs, the intelligent traffic service center according to real-time current and destination points Search for new navigation optimized combination of road sections.
11.如权利要求10所述的导航方法,其特征在于在所述第三步中,所述智能交通服务中心还根据所述移动终端的需求动态地报告到达目标点所需要的行车时间和里程。 11. The navigation method according to claim 10, wherein in said third step, said service center further intelligent traffic arrival required travel time and mileage points according to certain reporting requirements of the mobile terminal dynamically .
12.如权利要求11所述的导航方法,其特征在于,还包括第四步,所述移动终端实时发送自己的行驶信息给所述智能交通服务中心,包括停、走的状态,行驶的速度和方向;也可以发送所在交通工具的运载负荷状态和车况状态。 12. The speed navigation method according to claim 11, characterized by further comprising a fourth step, the mobile terminal transmitted in real time with its own information to the intelligent transportation service center, comprising a stop, the state of walking, running and orientation; it may transmit the carrier and the load state where the vehicle state condition.
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