CN100452097C - Ambiguity path identifying system and method thereof - Google Patents
Ambiguity path identifying system and method thereof Download PDFInfo
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- CN100452097C CN100452097C CNB2006100363547A CN200610036354A CN100452097C CN 100452097 C CN100452097 C CN 100452097C CN B2006100363547 A CNB2006100363547 A CN B2006100363547A CN 200610036354 A CN200610036354 A CN 200610036354A CN 100452097 C CN100452097 C CN 100452097C
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Abstract
The present invention discloses an ambiguous path identification system and a method thereof, wherein the ambiguous path identification system comprises a path side antenna device, a table top read-write device and a vehicular unit, wherein the path side antenna device transmits radio frequency signals with path identification information continuously, the vehicular unit comprises an IC card, a receiving device and a storage unit, wherein the IC card records entry information of a vehicle running path, the receiving device is used for receiving the path identification information transmitted by the path side antenna device, and the storage unit is used for storing the path identification information transmitted by the path side antenna device. The table top read-write device is used for reading the path information in the IC card and the storage unit of the vehicular unit. The present invention makes full use of the existing fee charging mode and the fee charging system, the present invention solves an ambiguous path problem while the investment is saved, and the present invention has a data communication effect with high reliability. Even if in a running process of a vehicle at the high speed, stable and reliable communication can be guaranteed, and the present invention is suitable for expressways.
Description
Technical field
The present invention relates to the REID field, particularly a kind of path identifying system and method thereof that is applicable in the highway tolling system.
Background technology
Networked fee collection is the main development trend of present expressway tol lcollection mode, and all developed regions have all been implemented the expressway network toll system based on IC-card basically.In networking charging system, accurately splitting account and clearing is the keys that guarantee each highway owner interests, and complete, the path data of driving a vehicle is the basis of realizing accurately splitting account clearly.Freeway net is flourishing day by day at present, in same road network, from identical starting point, arrive identical destination, can have many different paths (ambiguity path) selective, and present Fare Collection System can only be discerned origin information and destination information, there is not routing information, can't settle accounts by the reality path of driving a vehicle, cause highway owner distribution of interests inequality, become big problem---an ambiguity path identification problem of networked fee collection.
Usually, solving the ambiguity path identification problem has two kinds of methods: one, accurately identification: whole routing informations of recording driving vehicle truly; Its two, fuzzy algorithm:, approach real driving path by fuzzy algorithm according to part routing information data.Wherein:
The fuzzy algorithm scheme mainly contains following several:
(1) critical path method (CPM): its ultimate principle is that the trip magnitude of traffic flow between any 2 all concentrates on minimum impedance in the road network (journey time/replacements such as path mileage) in the supposition road network.From the path that enters the mouth, there is two or more in outlet, settlement system supposition vehicle travels by shortest path in complexity charge road network.
(2) applied probability statistic law: it utilizes, and networking charging system inlet, outlet data, traffic monitoring junction main line detect data, traffic flow detects data, pass through Model Calculation, overall equilbrium goes out each road section traffic volume flow, thereby determine road network flow distribution and terminus driving path, finish the distribution of toll.That is, settle accounts according to layout situation, the wagon flow distribution situation of road network.
Though above-mentioned fuzzy algorithm scheme has solved the clearing difficult problem that the ambiguity path problem is brought to a certain extent, the inreal ambiguity path identification problem that solves, the distribution of interests is inaccurate, and therefore can't make each highway owner satisfied.
Accurately identifying schemes mainly contains:
(1) beacon station method: adopt necessary civil engineering facility, electromechanical equipment on the path that polysemy may occur, select suitable place that beacon station is set, visa card/electronic tag/cashless payment card that vehicle is carried writes necessary information and (carries out ID of trace route path, can be divided into two kinds of parking formula, the formulas of not stopping), realize calculating and collection, fractionation and the clearing of toll exactly by outlet, inlet, the three kinds of information in highway section.
(2) car plate method of identification: outlet, inlet at all highways are provided with Vehicle License Plate Recognition System (perhaps manually importing car plate), key point is provided with Vehicle License Plate Recognition System in road network, the license board information that identifies is write visa card/electronic tag/cashless payment card that vehicle carries and label, thereby judge the route of vehicle actual travel, accurately realize collection, the clearance of toll.
Above-mentioned accurate identifying schemes can be recorded vehicle running path truly, has therefore effectively solved the ambiguity path identification problem, is the target that present each expressway network toll system is pursued.But above beacon station method need be built a plurality of charge stations on the highway main line, reduced traffic efficiency, disagrees with the social development trend, can not be used; The discrimination of car plate method of identification at present main restricted and car plate identification equipment, the discrimination of main flow identification equipment is high but also be subjected to the factor affecting such as cleanliness of weather, light, car plate, so the car plate method of identification is not extensive uses.
Summary of the invention
The object of the present invention is to provide a kind of ambiguity path identifying system and method thereof, when not increasing construction cost and need not the system reform, solve the Path Recognition problem in the existing highway tolling system based on REID and integrated circuit card (IC-card) technology.
The technical solution adopted in the present invention: a kind of ambiguity path identifying system, comprise trackside antenna equipment, tabletop reading, writing machine, board units, described trackside antenna equipment sends the radiofrequency signal that has ID of trace route path information continuously; Described board units comprises the IC-card of the inlet information of registration of vehicle driving path, is used for receiving and store the receiving trap and the storage unit of the ID of trace route path information that above-mentioned trackside antenna equipment sends; Described tabletop reading, writing machine is used for reading and writing the IC-card of above-mentioned board units and the routing information in the storage unit.
Above-mentioned trackside antenna equipment comprises microprocessor, radio-frequency module, power amplifier, antenna element, remote control module and power module, described microprocessor is connected respectively with radio-frequency module, remote control module, and antenna element is connected with radio-frequency module through power amplifier.Described remote control module is a wired or wireless network communication module, or the RS485 communication module, is used for ID of trace route path information, the power parameter that computer remote is provided with the trackside antenna equipment and detects the duty of trackside antenna equipment.
Above-mentioned board units comprises the IC-card of the inlet information that is used for the registration of vehicle driving path, microprocessor, storage unit, carrier detecting circuit, radio-frequency module and antenna element, microprocessor is connected respectively with storage unit, carrier detecting circuit, radio-frequency module, and radio-frequency module is connected with antenna element.Described carrier detecting circuit is used for triggering microprocessor work, and it detects frequency is 13.56MHz.Described storage unit is the non-volatile memories body, may reside in microprocessor internal, also can be independently storage chip, this storage unit and microprocessor direct communication.
Above-mentioned tabletop reading, writing machine comprises microprocessor, radio-frequency module, antenna element, IC-card module for reading and writing, IC-card read-write antenna and host computer communication module, wherein, described microprocessor is connected respectively with radio-frequency module, IC-card module for reading and writing, host computer communication module, antenna element is connected with radio-frequency module, and IC-card read-write antenna is connected with the IC-card module for reading and writing.
The signal frequency that above-mentioned radio-frequency module sends and receives is 433MHz, or 915MHz, or 2.4GHz.
The present invention discloses a kind of ambiguity path recognition methods, comprise the steps:
A) in the road network porch, the tabletop reading, writing machine writes inlet information to the IC-card of board units, removes the ID of trace route path information in the storage unit, and board units is set to mode of operation;
B) board units moves in road network with the vehicle that travels, and regularly detects the ID of trace route path signal that has or not the trackside antenna equipment to send, if detect ID of trace route path information, just receives this ID of trace route path information, and is kept at it in storage unit in proper order;
C) in the road network exit, the IC-card of the machine-readable carrier unit of picking up the car of tabletop reading, writing and inlet information of the road network in the storage unit and ID of trace route path information, board units is set to the park mode of power saving.
Above-mentioned board units is in road network porch and exit, and the 13.56MHz signal of being launched by the tabletop reading, writing machine wakes up; In the process with vehicle ', it woke up once automatically every one second.
The present invention has following advantage and effect with respect to prior art:
(1) board units among the present invention, tabletop reading, writing machine can be supported at present at IC-cards such as the widely used contactless logic encryption cards of toll management industry, therefore can make full use of existing Fare Collection System and charging mode thereof, when solving the ambiguity path identification problem, save investment.
(2) the present invention can realize the target of accurate registration of vehicle driving path, and workflow and existing charging mode compatibility, is fit to very much exist the complicated road network Fare Collection System of ambiguity path; Can realize by smooth upgrade on existing IC-card Fare Collection System basis, and can in road network, mix use simultaneously, effectively protect original investment with IC-card.
(3) the present invention has adopted the radio frequency chip of high sensitivity, high integration, has reached the effect of small size, low-power consumption, telecommunication, high reliability data communication.The routing information that is received in the vehicle ' process is write direct in the storage unit, has characteristics such as read or write speed is fast, therefore can improve the speed of vehicle '.After tested, when Vehicle Speed during at 0～200km/h, communicating by letter between trackside antenna equipment and the board units is reliable and stable, is fit to very much highway and uses.
(4) system of the present invention has adopted the 433MHz Radio Link to communicate, and has far away, the strong characteristics of the barrier ability of having mercy on of communication distance, and belongs to public frequency range, need not to apply for the radio usage license, is easy to use.The trackside antenna equipment is installed in the roadside or adopts the portal frame mounting means to place the top, road surface, and its footprint size can be provided with flexibly, and a highway section only need be installed an antenna equipment and be got final product, and need not extra civil engineering, saves construction cost.
(5) board units among the present invention adopts the 13.56MHz carrier detecting circuit, make its under the situation that the 13.56MHz carrier signal is arranged by rapid triggering, and finish message exchange by the Radio Link of 433MHz in a short period of time, enter dormant state then, shortened the exchanges data time and reduced power consumption.Its park mode and mode of operation be conversion mutually under different situations, has reduced power consumption.
Description of drawings
Fig. 1 is a theory diagram of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
As shown in Figure 1, ambiguity path identifying system of the present invention comprises trackside antenna equipment 10, tabletop reading, writing machine 20, board units 30, wherein:
Described trackside antenna equipment 10 comprises remote control module 11, microprocessor 12, radio-frequency module 13, power amplifier 14, antenna element 15 and power module 16, described microprocessor 12 is connected respectively with radio- frequency module 13,11 of Long-distance Control moulds, and antenna element 15 is connected with radio-frequency module 13 through power amplifier 14.Described remote control module 11 is wired or wireless network communication modules, or the RS485 communication module, is used for ID of trace route path information, the power parameter that computer remote is provided with trackside antenna equipment 10 and detects the duty etc. of trackside antenna equipment.
Described board units 30 comprises the IC-card 36 of the inlet information that is used for the registration of vehicle driving path, microprocessor 33, storage unit 34, carrier detecting circuit 37, radio-frequency module 32 and antenna element 35, microprocessor 33 is connected respectively with storage unit 34, carrier detecting circuit 37, radio-frequency module 32, and radio-frequency module 32 is connected with antenna element 35.Also comprise high-energy battery 31 in addition, be used for to radio-frequency module 32, microprocessor 33, storage unit 34 and carrier detecting circuit 37 power supplies.Described carrier detecting circuit 37 is used for triggering microprocessor work, after the carrier signal that detects 13.56MHz, exports a trigger pip immediately to microprocessor 33, makes microprocessor enter normal operating conditions from dormant state, promptly is waken up.Described storage unit 34 is the non-volatile memories body, may reside in microprocessor internal, also can be independently storage chip, this storage unit and microprocessor direct communication.IC-card 36 is a separate unit logically, meets the ISO14443 standard, and its physics existence form has two kinds: the standard IC-card that (1) encapsulates with plastic substrate; (2) IC-card chip binding or be mounted on the circuit board, and be connected with printed antenna on the circuit board, make it to become one with circuit board.
Described tabletop reading, writing machine 20 comprises power supply 21, microprocessor 23, radio-frequency module 22, antenna element 24, IC-card module for reading and writing 26, IC-card read-write antenna 27 and host computer communication module 25, wherein, described microprocessor 23 is connected respectively with radio-frequency module 22, IC-card module for reading and writing 26, host computer communication module 25, antenna element 24 is connected with radio-frequency module 22, and IC-card read-write antenna 27 is connected with IC-card module for reading and writing 26.
This ambiguity path identifying system principle of work is: board units 30 writes driving path inlet information in the road network porch by tabletop reading, writing machine 20 in its IC-card 36, board units 30 moves in road network with vehicle then.Trackside antenna equipment 10 passes through antenna element 15 with 433MHz, or 915MHz, or the frequency of 2.4GHz sends the radiofrequency signal that has ID of trace route path information continuously, after board units 30 detects above-mentioned ID of trace route path signal, receive this ID of trace route path information by antenna element 35, order is kept in the storage unit 34.When vehicle ' during to the road network exit, wake board units 30 up by tabletop reading, writing machine 20, and read the routing information in above-mentioned its IC-card 36 and the storage unit 34, can obtain the accurate path of this vehicle '.Board units 30 is placed onboard after send the road network porch as the pay imformation carrier, moves in road network with vehicle, finally is retracted in the road network exit.
Ambiguity path recognition methods of the present invention, realize as follows:
A. board units 30 original states are park mode, and radio-frequency module 32 is in closed condition, and microprocessor 33 is in dormant state, the about 1uA of quiescent current;
B. in the road network porch, the carrier detecting circuit 37 of board units 30 detects tabletop reading, writing machine 20 and (is placed on the porch and the exit of road network, be connected with computing machine, in running order always) microprocessor 33 is waken up behind the 13.56MHz signal that sends, board units 30 communicates with tabletop reading, writing machine 20 afterwards, tabletop reading, writing machine 20 IC-card 36 in board units 30 writes relevant inlet information, ID of trace route path information in the stored unit 34 of removing board units 30 is set to mode of operation to board units 30;
C. board units 30 moves in road network with vehicle, be in mode of operation during this always, microprocessor 33 per seconds wake up 1 time automatically, the ID of trace route path signal that detection has or not trackside antenna equipment 10 to send, if detect id signal, board units 30 begins to receive identification code information, and the back is kept at the information order in its inner non-volatile memory cells 34 receiving successfully;
D. in the road network exit, the carrier detecting circuit 37 of board units 30 after detecting the 13.56MHz signal that tabletop reading, writing machine 20 sends wakes microprocessor 33 up, and board units 30 communicates with tabletop reading, writing machine 20 afterwards; Tabletop reading, writing machine 20 reads the path inlet information and the identification code information of preserving in the board units 30, after information reads successfully, tabletop reading, writing machine 20 is removed inlet information and the ID of trace route path information in the board units 30, and board units 30 is set to the park mode of economic electricity.
As mentioned above, be one of preferred forms of the present invention.Although described example has been represented and has been described the present invention, but do not represent restriction to the present invention self, those skilled in the art should be understood that, under the prerequisite of the spirit and scope of the present invention that do not break away from the claims definition, can make various variations at it, appending claims has covered all such changes and modifications in the spirit and scope of the invention in form and on the details.
Claims (10)
1. an ambiguity path identifying system comprises trackside antenna equipment, tabletop reading, writing machine, board units, it is characterized in that, described trackside antenna equipment sends the radiofrequency signal that has ID of trace route path information continuously; Described board units comprises the IC-card of the inlet information of registration of vehicle driving path, is used for receiving and store the receiving trap and the storage unit of the ID of trace route path information that above-mentioned trackside antenna equipment sends; Described tabletop reading, writing machine is used for reading and writing the IC-card of above-mentioned board units and the routing information in the storage unit.
2. ambiguity path identifying system according to claim 1, it is characterized in that, described trackside antenna equipment comprises microprocessor, radio-frequency module, power amplifier, antenna element, remote control module and power module, described microprocessor is connected respectively with radio-frequency module, remote control module, and antenna element is connected with radio-frequency module through power amplifier.
3. ambiguity path identifying system according to claim 2, it is characterized in that, described remote control module is a wired or wireless network communication module, or the RS485 communication module, be used for ID of trace route path information, the power parameter that computer remote is provided with the trackside antenna equipment and detect the duty of trackside antenna equipment.
4. ambiguity path identifying system according to claim 1, it is characterized in that, described board units comprises the IC-card of the inlet information that is used for the registration of vehicle driving path, microprocessor, storage unit, carrier detecting circuit, radio-frequency module and antenna element, microprocessor is connected respectively with storage unit, carrier detecting circuit, radio-frequency module, and radio-frequency module is connected with antenna element.
5. ambiguity path identifying system according to claim 4 is characterized in that described carrier detecting circuit is used for triggering microprocessor work, and it detects frequency is 13.56MHz.
6. ambiguity path identifying system according to claim 4 is characterized in that described storage unit is the non-volatile memories body, may reside in microprocessor internal, also can be independently storage chip, this storage unit and microprocessor direct communication.
7. ambiguity path identifying system according to claim 1, it is characterized in that, described tabletop reading, writing machine comprises microprocessor, radio-frequency module, antenna element, IC-card module for reading and writing, IC-card read-write antenna and host computer communication module, wherein, described microprocessor is connected respectively with radio-frequency module, IC-card module for reading and writing, host computer communication module, antenna element is connected with radio-frequency module, and IC-card read-write antenna is connected with the IC-card module for reading and writing.
8. according to claim 2 or 4 or 7 described ambiguity path identifying systems, it is characterized in that the signal frequency that described radio-frequency module sends and receives is 433MHz, or 915MHz, or 2.4GHz.
9. an ambiguity path recognition methods is characterized in that, comprises the steps:
A) in the road network porch, the tabletop reading, writing machine writes inlet information to the IC-card of board units, removes the ID of trace route path information in the storage unit, and board units is set to mode of operation;
B) board units moves in road network with the vehicle that travels, and regularly detects the ID of trace route path signal that has or not the trackside antenna equipment to send, if detect ID of trace route path information, just receives this ID of trace route path information, and is kept at it in storage unit in proper order;
C) in the road network exit, the IC-card of the machine-readable carrier unit of picking up the car of tabletop reading, writing and inlet information of the road network in the storage unit and ID of trace route path information, board units is set to the park mode of power saving.
10. ambiguity path recognition methods according to claim 9 is characterized in that, described board units is in road network porch and exit, and the 13.56MHz signal of being launched by the tabletop reading, writing machine wakes up; In the process with vehicle ', it woke up once automatically every one second.
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| CNB2006100363547A CN100452097C (en) | 2006-07-05 | 2006-07-05 | Ambiguity path identifying system and method thereof |
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| CN101137088B (en) * | 2007-07-31 | 2010-12-01 | 大唐微电子技术有限公司 | Method, system and device for identifying ambiguous path |
| CN101819685A (en) * | 2010-04-23 | 2010-09-01 | 中兴通讯股份有限公司 | ETC electronic tag device and method for realizing path information submission |
| CN102568211B (en) * | 2010-12-09 | 2014-03-26 | 天津广行科技有限公司 | Accurate determination method of vehicle driving path in road network |
| CN102104400B (en) * | 2011-02-15 | 2013-11-27 | 深圳市金溢科技有限公司 | Communication method for on-vehicle unit and roadside base station in ambiguous path identification system |
| CN102968824B (en) * | 2011-08-31 | 2015-03-11 | 深圳光启高等理工研究院 | Vehicle management system based on optical communication |
| CN102436683B (en) * | 2011-09-01 | 2014-09-17 | 河南省交通科学技术研究院有限公司 | Base station in management of vehicle information of highway |
| CN102968825A (en) * | 2011-09-07 | 2013-03-13 | 深圳市金溢科技有限公司 | Multivocal route charging method, vehicle-mounted unit and system |
| CN103295386B (en) * | 2012-02-29 | 2015-02-04 | 深圳光启创新技术有限公司 | Monitoring and controlling system based on optical communication |
| CN102609997A (en) * | 2012-03-15 | 2012-07-25 | 华南理工大学 | Expressway ambiguous path automatic identification method based on dynamic time history matching |
| CN103391514B (en) * | 2012-05-09 | 2016-06-29 | 航天信息股份有限公司 | A kind of method that board units communicates with trackside antenna equipment |
| CN103390346B (en) * | 2012-05-09 | 2015-11-18 | 航天信息股份有限公司 | A kind of ambiguity path identifying system with transport information statistical function |
| CN103632399A (en) * | 2012-08-24 | 2014-03-12 | 深圳市金溢科技有限公司 | Ambiguous path information processing method, on board unit, on desk unit and system |
| CN104517321A (en) * | 2013-10-08 | 2015-04-15 | 航天信息股份有限公司 | Method and system allowing road side unit and on board unit to perform data communication |
| CN104574532B (en) * | 2014-02-19 | 2017-11-07 | 深圳市金溢科技股份有限公司 | A kind of compound visa card, tabletop reading, writing device and compound visa card management method |
| CN105761318B (en) * | 2015-06-15 | 2019-03-29 | 交通运输部公路科学研究所 | The artificial semi automatic toll active RF card and its awakening method of realizing route mark |
| CN106991727B (en) * | 2016-01-21 | 2020-07-10 | 北京四维图新科技股份有限公司 | Highway intercommunication charging method and system |
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| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310014 No. 303 Wenhui Road, Zhejiang, Hangzhou Patentee after: Zhejiang GBF Basalt Fiber Co., Ltd. Patentee after: SHENZHEN GENVICT TECHNOLOGY CO., LTD. Address before: 310014 No. 303 Wenhui Road, Zhejiang, Hangzhou Patentee before: Zhejiang GBF Basalt Fiber Co., Ltd. Patentee before: Shenzhen Jinyi Technologies Co., Ltd. |