CN101826255B - Simple system of bus rapid transit - Google Patents
Simple system of bus rapid transit Download PDFInfo
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- CN101826255B CN101826255B CN2010101606896A CN201010160689A CN101826255B CN 101826255 B CN101826255 B CN 101826255B CN 2010101606896 A CN2010101606896 A CN 2010101606896A CN 201010160689 A CN201010160689 A CN 201010160689A CN 101826255 B CN101826255 B CN 101826255B
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Abstract
The invention relates to a simple system of bus rapid transit, composed of a vehicle-bone system, an annunciator system and a dispatching system; wherein the vehicle-bone system is provided with a CPU module and is connected with a GPS module, a radio frequency module, a GPRS module and an image acquiring module; the radio frequency module is communicated with the annunciator system by radio frequency and is communicated with the dispatching system computer by GPRS network and the Internet; the annunciator system is provided with a receiving module connected with a signal controlling machine by a serial port; the receiving module is communicated with the vehicle-bone system by radio frequency; the signal controlling machine is connected with a road signal lamp system and is in charge of controlling the status of road signal lamp; the dispatching system is provided with an Internet network communication function dispatching computer, the computer is communicated with the vehicle-bone system by the Internet, and communications of all the vehicle-bone systems of each bus are connected with the Internet by the GPRS network. The invention can realize bus rapid transit function and can ensure operation to be rapid and on schedule.
Description
Technical field
The present invention relates to public transport and intelligent transportation, be specifically related to a kind of simple system of bus rapid transit---MiniBRT.This system is by function easy, that three subsystems that easily realize can be realized fast public traffic system.This simple system is applicable to the public transport in domestic each city, on existing urban road infrastructure, increase several subsystems, be bus onboard system, be positioned at the annunciator system at crossing and be positioned at the dispatching center or the dispatching system of control station, these three subsystems are merged mutually, realize the function of fast public traffic system, the key function of fast public traffic systems such as the right of way of having realized bus is proprietary, crossing signal priority and intelligent scheduling, guarantee bus fast, operation on schedule.
Background technology
Fast public traffic system was called for short the BRT system, came across Brazilian Ku Lidiba in 1970, had become countries in the world so far and had improved one of important means of bus operation efficient.U.S.'s communications and transportation Cooperative Research Program is organized in the TCPR90 report and points out, fast public traffic system is one and has integrated facility, service, factor such as quick and by the system that improves aspects such as bus speed, reliability.
The american energy foundation is devoted at countries in the world popularization fast public traffic system.Fast public traffic system is to utilize the modified bus, and operation keeps the characteristic of track traffic on public transportation lane, and possesses a kind of facility of common public transport dirigibility, public transport mode fast.The appearance of fast public traffic system comes from external planning and improvement to the city, and the form that the fast public traffic system of different cities is realized all has different with content.
China is domestic when introducing the BRT system, the applicability of this system is not studied comprehensively.The BRT system requirements has proprietary road, proprietary vehicle, special-purpose platform, and it is high a lot of that the common relatively public transport of cost is wanted, and promptly the BRT system requirements has infrastructure and high-grade vehicle preferably, has greatly limited Chinese popularization.Therefore, need research to be applicable to the fast public traffic system of China's actual conditions.At present, the research of fast public traffic system relates to many aspects, and the domestic maximum research of China is embodied in a series of advanced technologies of the high-end vehicle's technology that comprises, Automatic Vehicle Location technology, driving guiding technique, automatic fare collection system etc.The means research that realizes for fast public traffic system seldom.Fast public traffic system realizes that complicated, average every kilometer is expended and can reach 100～2,000 ten thousand yuan and do not wait, and there is obstacle in the city in promoting.
Generally speaking, fast public traffic system is had relatively high expectations, and promotes being subjected to certain restriction in China, is applicable to that the fast public traffic system of China's actual conditions does not also have at present.
Summary of the invention
In order to overcome above-mentioned deficiency, the purpose of this invention is to provide a kind of simple system of bus rapid transit, this system is a kind of fast public traffic system implementation method---MiniBRT that is applicable to Chinese city.
The technical solution adopted in the present invention is: a kind of simple system of bus rapid transit, constitute by onboard system, annunciator system and three subsystems of dispatching system of bus, and it is characterized in that,
Be provided with the CPU module in the onboard system of described bus, be connected with GPS module, radio-frequency module, GPRS module and image capture module on this CPU module; Radio-frequency module wherein is by radio frequency and annunciator system communication contact; Image capture module wherein comprises camera and video memory; GPRS module wherein is by the computing machine communication contact in GPRS network, Internet network and the dispatching system;
Be provided with receiver module in the described annunciator system, this receiver module is connected with signal controlling machine by serial ports; Receiver module is wherein realized communication contact by radio frequency and onboard system; Signal controlling machine wherein is connected with the roadway sign lamp system, and the state of control signal light path;
Be provided with the dispatching that possesses Internet network communication function in the described dispatching system, this computing machine is by Internet network and onboard system communication contact, and the communication of the onboard system of each bus links to each other with Internet by GPRS network.
Described bus onboard system also comprises information display device and the sound prompt device that is connected with the CPU module.
Described onboard system can utilize the power supply of bus, and is provided with stable-pressure device.
In other words, the simple system of bus rapid transit of the present invention---MiniBRT is that the key feature with fast public traffic system extracts, and forms the simple system of fast public traffic system; This system is made of onboard system, annunciator system and three subsystems of dispatching system of bus; Based on onboard system, ensure that the right of way of bus is proprietary; Based on annunciator system, realize the crossing signal priority of bus; Based on dispatching system, realize the intelligent scheduling of bus; By onboard system, annunciator system and three mutual communications of subsystem of dispatching system of bus, can realize the function of fast public traffic system.
Specifically, the key feature of fast public traffic system is extracted, content is: the key feature of fast public traffic system is proprietary right of way, proprietary vehicle and intelligent dispatching system, realizes that fast public traffic system need realize this three features.
The MiniBRT system is made of onboard system, annunciator system and three subsystems of dispatching system of bus.Onboard system comprises unit such as GPS module, radio-frequency module, GPRS module, image capture module, CPU module, the GPS module is determined information such as the real time position of bus and speed, the radio-frequency module realization is communicated by letter with annunciator system, the GPRS module is communicated by letter with dispatching system, image capture module is realized the right of way security function, the CPU module is responsible for the work allocation and the communication mode of each module, for radio-frequency module, CPU will adjust the content that radio-frequency module sends information according to the information of gps coordinate.Annunciator system mainly comprises receiver module, serial port module and signal controlling machine three parts, receiver module is responsible for receiving the information that onboard system sends, and with it by serial ports input signal controller, signal controlling machine is made control according to the variation of instruction to signal lamp.Dispatching system can be made of middle and high end Internet enabled, that dispatcher software an is housed computing machine, this computing machine is realized and the communicating by letter of onboard system GPRS module by the internet, dispatcher software mainly contains two big functions, and the one, the information that storage and analysis onboard system image capture module collect; The 2nd, analyze the information of onboard system GPS module, and onboard system is sent corresponding instruction.
When the proprietary right of way of appearance is subjected to invading, the MiniBRT system is controlled by CPU, image capture module obtains the real-time image information of right of way that comprises GPS information, and by GPRS network Internet network, transfer to server, the managerial personnel of Traffic Administration Bureau will obtain this information, corresponding counter-measure at once.
When bus when level crossing also has (as: 80m), the radio-frequency module of onboard system is started working, and sends instructions to reach intersection annunciator, and signal controlling machine begins response, from this instruction, extract the information of moving towards of bus, give the signals of vehicles right of priority of this trend.
When the relevant certain threshold value in position of position that bus travels and expection (as: ± 1km) time, dispatching will send corresponding instruction, instruction transfers to the bus onboard system by Internet network, GPRS network, the bus onboard system is told bus driver by information display device and sound prompt device, corresponding information is (as: when 1km is delayed in the position, send instruction 1, the driver is known acceleration).
Described based on onboard system, ensure that the right of way of bus is proprietary, refer to and utilize the onboard system image capture module to be the basis, the residing road right of way of bus is controlled.
Described based on annunciator system, realize the crossing signal priority of bus, phase place and the timing to signal lamp adjusts according to the different instruction of radio-frequency module to refer to signal controlling machine.
Described based on dispatching system, realize the intelligent scheduling of bus, refer to dispatcher software and bus is sent the dependent instruction of intelligent scheduling function according to the information such as gps coordinate value of bus, instruct bus to keep behaviors such as the speed of a motor vehicle, acceleration or deceleration.
Described onboard system by bus, annunciator system and three subsystems of dispatching system merge mutually, can realize the function of fast public traffic system.Refer to onboard system, realized, can realize the right of way guarantee of bus travel, the signal priority at crossing, easy intelligent scheduling function, satisfy the key feature of fast public traffic system the communicating by letter of annunciator system and dispatching system by bus.
As a further improvement on the present invention, described onboard system is embedded in the vehicle design of bus, the communication unit of onboard system is combined with the communication of vehicle, can realize the upgrading of bus.
The invention has the beneficial effects as follows, propose the key feature of fast public traffic system, promptly proprietary right of way, proprietary vehicle and intelligent dispatching system; Based on the onboard system of bus, the annunciator system at crossing and the dispatching system of dispatching center, the right of way of bus is proprietary, crossing priority, intelligent scheduling combine, and realize the function of fast public traffic system, ensure bus fast, operation on schedule.
Description of drawings
Fig. 1 is a system schematic.
Fig. 2 is a hardware elementary diagram.
Fig. 3 is the dispatching system schematic diagram.
Embodiment
Embodiment 1, and entire system as shown in Figure 1.
Install onboard system on bus additional, this onboard system comprises unit such as GPS module, radio-frequency module, GPRS module, image capture module, CPU module, and its schematic diagram as shown in Figure 2.Based on onboard system, ensure that the right of way of bus is proprietary.Image capture module collects road information, by the GPRS module by internet transmission to dispatching system, dispatching system is responsible for analyzing and memory image, the rise time of output image and image, generates the place.As shown in Figure 2, relate to modules such as serial ports, network interface, CPU selects the AM9261 of ARM9 kernel for use, and the optional emissive power of wireless radio frequency modules is the above module of 1mW, and image capture module adopts industrial intelligent camera.
Based on annunciator system, realize the crossing signal priority of bus; Gather the gps coordinate of whole section public bus network (comprising the crossing) by the GPS module of onboard system, preceding 60 meters that are arranged on close crossing are threshold value 1, by 10 meters behind the crossing be threshold value 2, in threshold range, realize communication with signal controlling machine by wireless radio frequency modules.Within threshold value 1, send the instruction that changes signal lamp phase place and timing; Within threshold value 2, send the instruction of restoring signal lamp phase place and timing; Outside threshold value, do not send instruction.Like this, priority pass in the time of can keeping bus to pass through the crossing, simultaneously, after passing through, the wagon flow that influences the crossing is less.Need to prove wireless radio frequency modules be standard, transceiver, the crossing along the line at public bus network can be provided with a plurality of.
Based on dispatching system, realize the intelligent scheduling of bus, dispatching system can obtain running time and the travel speed that bus is estimated according to factors such as season, environment, vehicle condition before dispatching a car; Dispatching system is after dispatching a car, and onboard system will send once real-time gps coordinate value in per 10 seconds, and this coordinate figure is analyzed, and can get actual running time and travel speed; In the implementation procedure of intelligent scheduling: dispatching system compares estimated time and real time, can get a difference, judges the speed that bus is advanced by difference.After finishing, dispatcher software will send instruction to onboard system, and the notice bus driver is made corresponding change, finishes intelligent scheduling.The realization principle of dispatching system as shown in Figure 3.In the process that realizes, generally in the control room of public transport company, realize for the management and running of bus, and generally realize that in vehicle supervision department they are corresponding respectively at browser 1, browser 2 for the assurance of right of way.Customer end adopted B/S framework possesses 3 authorities, authority 1, service data; Authority 2, vehicle supervision department uses, accessible database and data maintenance; Authority 3, public transport company and affiliated control room thereof can be mutual with database, send dispatch command to onboard system.
Onboard system, annunciator system and three subsystems of dispatching system of bus are merged mutually, can realize the proprietary right of way of fast public traffic system, proprietary vehicle, intelligent scheduling function.
The implementation of embodiment 1 has individual prerequisite, obtains the gps coordinate of bus operating line, and estimates the travel speed of Various Seasonal, varying environment, different vehicle model.
During the simple system of bus rapid transit was realized, the guarantee of right of way need use special-purpose authority to realize by the internet access dispatching system by traffic control department.
The dispatcher software of the GPRS module of onboard system, the receiver module of annunciator system, dispatching system all needs to keep unimpeded, and has special-purpose electric power system to realize.The onboard system power supply is the 12V direct current; The annunciator system power supply is the 5V direct current; The dispatching system power supply exchanges for 220V.
Claims (5)
1. the simple system of a bus rapid transit is made of onboard system, annunciator system and three subsystems of dispatching system of bus, it is characterized in that,
Be provided with the CPU module in the onboard system of described bus, be connected with GPS module, radio-frequency module, GPRS module and image capture module on this CPU module; Radio-frequency module wherein is by radio frequency and annunciator system communication contact; Image capture module wherein comprises camera and video memory; GPRS module wherein is by the computing machine communication contact in GPRS network, Internet network and the dispatching system;
Be provided with receiver module in the described annunciator system, this receiver module is connected with signal controlling machine by serial ports; Receiver module is wherein realized communication contact by radio frequency and onboard system; Signal controlling machine wherein is connected with the roadway sign lamp system, and the state of control signal light path;
Be provided with the dispatching that possesses Internet network communication function in the described dispatching system, this computing machine is by Internet network and onboard system communication, and the communication of the onboard system of each bus links to each other with Internet by GPRS network;
Radio-frequency module in the described onboard system is to be provided with a plurality of at public bus network crossing along the line.
2. the simple system of bus rapid transit according to claim 1 is characterized in that, described bus onboard system also comprises information display device and the sound prompt device that is connected with the CPU module.
3. the simple system of bus rapid transit according to claim 1 is characterized in that, described onboard system utilizes the power supply of bus, and is provided with stable-pressure device.
4. the simple system of bus rapid transit according to claim 1 is characterized in that, the CPU in the described onboard system selects the AM9261 of ARM9 kernel for use; It is the above module of 1mW that described wireless radio frequency modules is selected emissive power for use; Described image capture module adopts industrial intelligent camera.
5. according to the simple system of the described bus rapid transit of one of claim 1～4, it is characterized in that the radio-frequency module in the described onboard system is radio-frequency module standard, transceiver.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101606896A CN101826255B (en) | 2010-04-30 | 2010-04-30 | Simple system of bus rapid transit |
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| CN2010101606896A CN101826255B (en) | 2010-04-30 | 2010-04-30 | Simple system of bus rapid transit |
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| CN101826255A CN101826255A (en) | 2010-09-08 |
| CN101826255B true CN101826255B (en) | 2011-12-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103065480B (en) * | 2012-12-14 | 2015-08-05 | 中国航天系统工程有限公司 | The control method that particular vehicle is current and device |
| CN103500498A (en) * | 2013-08-23 | 2014-01-08 | 杭州师范大学 | Brt intelligent management system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1617608A (en) * | 2004-07-21 | 2005-05-18 | 南昌市和记实业有限公司 | Intelligent mobile communication multi-media audiovisual system for new bus |
| CN101256717A (en) * | 2008-04-09 | 2008-09-03 | 重庆市易博数字技术有限公司 | Quick public transport vehicle positioning based on GPS and traffic signal control method and apparatus |
| CN101620786A (en) * | 2009-08-07 | 2010-01-06 | 中国人民解放军军事交通学院 | Highway intelligent transportation monitoring and managing system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1617608A (en) * | 2004-07-21 | 2005-05-18 | 南昌市和记实业有限公司 | Intelligent mobile communication multi-media audiovisual system for new bus |
| CN101256717A (en) * | 2008-04-09 | 2008-09-03 | 重庆市易博数字技术有限公司 | Quick public transport vehicle positioning based on GPS and traffic signal control method and apparatus |
| CN101620786A (en) * | 2009-08-07 | 2010-01-06 | 中国人民解放军军事交通学院 | Highway intelligent transportation monitoring and managing system |
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Address after: 211112 Jiangning City, Nanjing Province, the integrity of the road No. 2200, Patentee after: JSTI GROUP Co.,Ltd. Address before: 211112 Jiangning City, Nanjing Province, the integrity of the road No. 2200, Patentee before: JIANGSU TRANSPORTATION RESEARCH INSTITUTE Co.,Ltd. |
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Granted publication date: 20111228 Termination date: 20180430 |