CN1787013A - Double communication area electronic non-parking charging lane system and method f realizing same thereof - Google Patents
Double communication area electronic non-parking charging lane system and method f realizing same thereof Download PDFInfo
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- CN1787013A CN1787013A CN 200510101197 CN200510101197A CN1787013A CN 1787013 A CN1787013 A CN 1787013A CN 200510101197 CN200510101197 CN 200510101197 CN 200510101197 A CN200510101197 A CN 200510101197A CN 1787013 A CN1787013 A CN 1787013A
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Abstract
The invention provides a double-communication region electronic nonstop fees- charging roadway system, comprising master control machine, antenna, auto railing, trigger ground sensor, snapping ground sensor, railing drop ground sensor, and fees number display, where the antenna comprises two groups of wireless communication devices with different emitting angles, interconnected through logic processing circuit, and is installed on a gantry and above the roadway, where the far and near communication areas covered by the two groups of wireless communication devices are overlapped. A double-communication region electronic nonstop fees-charging roadway method switches between communication areas according to the position of the vehicle and the trade state under the control of a roadway system, so as to let the normally trading vehicles pass or hold up the illegal vehicles. The invention can solve the vehicle following interference problem and assure the vehicle traffic speed; eliminate the communication blind areas in front of the auto railing to strengthen the ability to process abnormal conditions; reduce the vehicle following interference caused by vehicle backing and stop escaping fees; prevent viciously jumping the queue from the side road; and assure the vehicles that have traded normally pass.
Description
Technical field
The present invention relates to Electronic Toll Collection for Lane System, specifically be meant a kind of dual communication area electronic non-parking the lane in which the drivers should pay fees system and its implementation.
Background technology
At present, in electric non-stop toll (ETC) lane system, vehicle carries out microwave communication by vehicle-mounted machine (OBU) (after the activation of the comunication area, the size and location in the comunication area are immutable) in the single comunication area with antenna, finishes the electric non-stop toll transaction.Existing ETC lane system can be divided into two kinds of long comunication area ETC system and weak point comunication area ETC systems by the size in the comunication area, and its ETC logical transaction has:
(1) lock: be the influence that makes OBU transaction serialization and prevent to follow vehicle OBU, lane system needs the OBU in the locked transaction.After the locking, system only concludes the business with this OBU, till transaction is finished or satisfied other unlocking condition.
(2) release: release when possessing one of following condition: 1. the OBU arm's length transaction is finished; 2. vehicle leaves and captures the ground sense; 3. capturing in the ground sense does not have under the prerequisite of vehicle, has vehicle to leave and triggers the ground sense.
(3) lock empty OBU: when trigger the ground sense detected automobile storage after, system (common 2～3 seconds) in setting-up time does not detect OBU, then stop search, promptly enter the empty OBU state of so-called lock, conclude the business and cause front truck illegally to be let pass to prevent OBU with follow-up vehicle.
There is following defective in existing ETC lane system:
(1) grow comunication area ETC system with the car serious interference: the comunication area is about between preceding 2～10 meters of the automatic railing, because comunication area scope is big, often there are many cars to be in phenomenon in the antenna communication district simultaneously, when the vehicle of front end can not arm's length transaction when then car can be concluded the business, front truck will occur by the mistake that the car then of letting pass is blocked, be referred to as: disturb with car.
(2) it is low to lack comunication area ETC system vehicle pass-through speed: the comunication area is about between preceding 1～6.5 meter of the automatic railing, and when concluding the business, vehicle is nearer from automatic railing, therefore can only pass through at a slow speed, thereby reduce the traffic efficiency in ETC track.
(3) automatically have communication blind district near the railing: in the layout of existing track, antenna is positioned at preceding about 2 meters of railing, because the directivity characteristics of antenna and OBU, OBU can not proper communication below arriving antenna the time.Therefore the railing precontract has 2 meters or above communication blind district, when vehicle is not finished transaction and before driving to automatic railing the time, can't be proceeded transaction, thereby influence vehicle pass-through in the comunication area.
(4) reversing situation is serious: owing to the performance difference of OBU and the complicacy of vehicle ' behavior, needing frequently to occur the situation of vehicle backing in the practical application.During heavy traffic, it is very difficult to move backward, and causes the obstruction of ETC track easily.
(5) the malice lie fee evasion phenomenon of jumping the queue can't solve: in the operation, see the malice lie fee evasion phenomenon of jumping the queue repeatly, i.e. the isolation strip indentation, there of stoppage of vehicle between ETC and adjacent lane is when the automatic railing in ETC track lifts, be inserted into fast try to be the first in the ETC track by, reach the purpose of fee evasion.Because this isolation strip breach is that to leave the ETC track used for vehicle that guiding can not arm's length transaction, cannot seal, so the fee evasion phenomenon that can't effectively stop this malice to be jumped the queue.
Patent right number provides " a kind of automatic fees-collecting method that does not stop " for the Chinese invention patent of ZL9712589.X, this method adopts two different antennas (fan-beam antenna, all-wave beam antenna), compare by the external received signal in the received signal of coming in the comunication area and the comunication area and to discern vehicle, though this scheme increases than the scheme recognition accuracy of adopting single fan-beam antenna, but its essence still belongs to short comunication area ETC system, still has aforesaid defective.
Summary of the invention
The objective of the invention is to overcome the shortcoming and defect of above-mentioned prior art, provide a kind of can the minimizing to disturb, guarantee vehicle pass-through speed, eliminate the railing front blind-area with car, reduce the reversing situation, the jump the queue dual communication area electronic non-parking the lane in which the drivers should pay fees system of fee evasion of preventing malice lie.
The present invention also aims to provide the implementation method of a kind of dual communication area electronic non-parking the lane in which the drivers should pay fees system.
Purpose of the present invention is achieved through the following technical solutions: this dual communication area electronic non-parking the lane in which the drivers should pay fees system comprises main control computer, antenna, automatic railing, sense, the bar ground sense that falls, expense volume display etc. with triggering ground sense, candid photograph; Antenna, automatic railing, sense, the bar ground sense that falls, expense volume display are connected with main control computer respectively with triggering ground sense, candid photograph, it is characterized in that: described antenna comprises the radio communication device of two groups of different emission angle, and be connected by logic processing circuit, overlap in two comunication areas (comunication area far away, the nearly comunication area) that two groups of radio communication devices cover.
Described two groups of radio communication devices are positioned at same antenna box, and are connected with antenna controller.
Described two groups of radio communication device branches are arranged, and lay respectively in two antenna boxes, and two groups of radio communication devices can be connected with same antenna controller, also can be connected with two different antenna controllers respectively.
Two comunication area laps that described antenna covers follow car direction length and are not less than 0.8m.
Described antenna is installed on the portal frame and is positioned at the top in track; In order to eliminate the communication blind district before the railing, described portal frame can be positioned at a segment distance behind the automatic railing, is generally 1～3 meter.
Describedly trigger the ground sense, capture the ground sense be arranged in far away, the nearly comunication area that antenna covers respectively or respectively with far away, closely overlap in the comunication area; The described ground sense trailing edge that triggers is 0.8m～3m with the distance of capturing ground sense leading edge; Described triggering ground sense leading edge with the comunication area far away leading edge distance is-1m～3.5m; Described candid photograph ground sense leading edge is 0m～2m with nearly comunication area leading edge distance; The described bar ground sense that falls is installed in after the automatic railing; Described antenna is 0m～3m in the projected centre point on the plane, track to the distance of automatic railing arm between the projected centre lines on the plane, track.
The isolation strip breach in described track is provided with vehicle detection apparatus, and described vehicle detection apparatus is connected with main control computer.Described vehicle detection apparatus can be ground induction coil detecting device, ultrasonic detector, infrared detector, radar detector, video detector etc.When vehicle through or when staying in the isolation strip breach, vehicle detection apparatus detects vehicle, system stops the transaction with any OBU, prevents that the malice lie from jumping the queue, and reduces the fee evasion phenomenon.
The dual communication area electronic non-parking charging method that utilizes above-mentioned dual communication area electronic non-parking the lane in which the drivers should pay fees system to realize, it is characterized in that: under the control of lane system, position and stateful transaction according to vehicle switch between the comunication area, clearance arm's length transaction vehicle or tackle illegal vehicle.
This dual communication area electronic non-parking charging method can comprise the steps: that specifically (1) enters the leading edge in the comunication area far away but no show when triggering the ground sense when vehicle, and antenna does not activate; (2) when the sense of triggering ground detects vehicle, activate the comunication area far away, system locks and concludes the business OBU; If in setting-up time, system detects less than OBU, then locks empty OBU, and warning and prompting vehicle leave the ETC track; (3) detect vehicle and current transaction imperfect tense when capturing the ground sense, system is to the OBU release, and the comunication area switches to the nearly comunication area by the comunication area far away, and in nearly comunication area continuous business; When trigger the ground sense and capture the ground sense all do not detect automobile storage the time, system switches go back to the comunication area far away and waits for new vehicle arrival; (4) after the Transaction Success, vehicle is let pass, and generates transaction record; (5) when vehicle sailed out of the sense of bar ground, railing was fallen.
For solve the problem that the normal vehicle of transaction is tackled under the abnormal conditions by mistake, system increases the processing procedure of resetting row: the unrepeatable read time of (1) described antenna was set to enough weak points, as 5～30 seconds; (2) OBU number of the interior Successful Transaction of described main control computer reservation setting-up time (as 60～300 seconds); (3) if system when being in nearly comunication area duty, detects OBU, as OBU number of keeping with main control computer for this OBU number repetition is arranged, and railing is in the state of falling automatically, then arguing for the sake of arguing lets pass carry this OBU by interception car by mistake.
Close with technical solution of the present invention, the plural comunication area (antenna) is set, by the lane control system, between these a plurality of comunication areas (antenna), switch, can realize equally ETC lane system scheme optimization.
The present invention compared with prior art has following advantage and beneficial effect:
(1) solves with the car interference problem.When illegal vehicle enters trigger winding, can activate the comunication area far away, because search OBU time (2～3 seconds) restriction of setting is arranged, if this car travels at a slow speed, then vehicle can't enter the comunication area in the time of this setting subsequently, setting-up time one mistake, system detect then locks sky less than OBU, avoids concluding the business with the back car; If this car fast running, then as easy as rolling off a log entering captured coil and activated the nearly comunication area, simultaneously, the system closing comunication area far away, thus the back car is repelled outside the efficient communication district, therefore can not take place with the car interference problem yet.
(2) guarantee vehicle pass-through speed.Efficient communication of the present invention district is total comunication area that stack back, far away, nearly two comunication areas forms, and total length is the same substantially with the zone of aforementioned long comunication area ETC system, so can not cause the passage rate decline of vehicle.
(3) eliminate the preceding communication blind district of railing, strengthen the processing power of abnormal conditions.In aforementioned single communication district ETC system, when the vehicle that carries OBU when the adjacent lane lane change enters the ETC track, if near railing, then entered communication blind district, this vehicle needs because of communicating by letter to move backward, and influences traffic efficiency.Even more serious is if other vehicle (back car) Transaction Success is arranged during lane change, can cause the lane change vehicle to be misplaced row under the situation of not transaction, and the back car of arm's length transaction is blocked.After adopting the present invention, owing to eliminated communication blind district,, thereby avoided reversing or misplaced the generation of capable phenomenon so vehicle still is in the excellent communications district when lane change enters from the side.
(4) reduced the reversing phenomenon, guaranteed that the ETC track is current smooth.In aforesaid single communication district ETC system, retry transaction needs the reversing release, or because of the communication stable region of need moveing backward of communication blind district before the railing.After adopting the present invention, because release when entering the nearly comunication area, and no OBU situation do not locked, so the unnecessary release retry of moveing backward is concluded the business; Communication blind district before the railing is eliminated, does not also have the situation that needs reversing because of concluding the business.
(5) reduce disturbing of moveing backward and cause, stop fee evasion with car.In aforesaid single communication district ETC system, when front truck reversing release, back car transaction causes front truck to be misplaced, thereby the fee evasion phenomenon occurs.After adopting the present invention, leave when capturing the ground sense at vehicle backing, antenna still remains on the work of the nearly comunication area, and back car can not enter the nearly comunication area, so system can not conclude the business with the back car and not cause misplacing front truck, thereby has eliminated this fee evasion hidden danger.
(6) guarantee the normal current of vehicle of having concluded the business.After adopting the present invention, when the arm's length transaction vehicle is tackled under abnormal conditions by mistake,, promptly can be let pass as long as this car stops the time of setting in the nearly comunication area.Simultaneously,,, can only hold a car, so can avoid the machine-processed fee evasion of other vehicle utilization playback row because of closely comunication area coverage is less because vehicle is positioned at the nearly comunication area and just implements this measure.
(7) the preventing malice lie is jumped the queue, and reduces the fee evasion phenomenon.Among the present invention, the isolation strip breach in track is provided with vehicle detection apparatus, when vehicle through or when staying in the isolation strip breach, vehicle detection apparatus detects vehicle, system stops the transaction with any OBU, prevents that the malice lie from jumping the queue, and reduces the fee evasion phenomenon.
Description of drawings
Fig. 1 is the floor plan synoptic diagram of dual communication area electronic non-parking the lane in which the drivers should pay fees of the present invention system.
Fig. 2 is a kind of structural representation of antenna shown in Figure 1.
Fig. 3 is the another kind of structural representation of antenna shown in Figure 1.
Fig. 4～Fig. 9 is the fundamental diagram of dual communication area electronic non-parking charging method of the present invention.
Figure 10 is the control system process flow diagram of dual communication area electronic non-parking charging method 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.
Concrete structure of the present invention such as Fig. 1～shown in Figure 3, as seen from Figure 1, this dual communication area electronic non-parking the lane in which the drivers should pay fees system, comprise main control computer 1, antenna 2, automatic railing 5, trigger ground sense 9, capture ground sense 7, bar ground sense 4 falls, take volume display 12, antenna 2, automatic railing 5, trigger ground sense 9, capture ground sense 7, bar ground sense 4 falls, taking volume display 12 is connected with main control computer 1 respectively, antenna 2 is installed on the portal frame 3 and is positioned at the top in track, the communication coverage area of antenna 2 on the track is respectively the comunication area 8 far away, the nearly comunication area 6, the comunication area 8 far away, overlap in the nearly comunication area 6, the overlapping region length A is 1.5m.It behind the railing is 1.5m apart from B that described portal frame 3 is positioned at; Describedly trigger ground sense 9, capture ground sense 7 and be arranged in the comunication area far away 8 that antenna 2 covers, the nearly comunication area 6 respectively or overlap with the comunication area 8 far away, the nearly comunication area 6 respectively; The described distance C that triggers ground sense 9 and candid photograph ground sense 7 is 2.5m; Described triggering ground sense 9 is 1.5m with the comunication area far away 8 leading edge distance D; Described candid photograph ground sense 7 is 1.5m with the nearly comunication area 6 leading edges apart from E; The described bar ground sense 4 that falls is installed in after the automatic railing 5, and it is 0.8m that 4 width is felt on the bar ground that falls, and leading edge is concordant with railing arm; The described nearly comunication area 6 leading edges and portal frame 3 be 5m apart from F; The described comunication area far away 8 leading edges and portal frame 3 be 11.5m apart from G.The comunication area 8 leading edges far away and lateral margin are provided with ice cream tube or bumping post 11, and the isolation strip breach in described track is provided with ultrasonic detector 10, and described ultrasonic detector 10 is connected with main control computer 1.The structure of described antenna 2 as shown in Figure 2, two group communication devices are positioned at same antenna box, and are connected with same antenna controller, are connected by logic processing circuit between two group communication devices.
Utilize dual communication area electronic non-parking payment collector ratio juris that above-mentioned dual communication area electronic non-parking the lane in which the drivers should pay fees system realizes such as Fig. 4～shown in Figure 9, be specially:
(1) as shown in Figure 4, when vehicle 13 was positioned at the leading edge in the comunication area 8 far away, vehicle 13 did not enter and triggers ground sense 9, and antenna 2 is in original state, is waiting for being activated.
(2) as shown in Figure 5, when vehicle 13 sails into when triggering ground sense 9, antenna 2 activates, and the communication coverage area of antenna 2 is the comunication area 8 far away, simultaneously, detects whether OBU is arranged, if activate in back 2 seconds search less than OBU, then reports to the police and locks empty OBU; If detected OBU, then lock this OBU and communicate transaction with it, if transaction is unusual, then reports to the police and tackle this vehicle, if Transaction Success, then release and lift railing clearance vehicle, system generates transaction record; As shown in Figure 9, vehicle sails out of and triggers ground sense 9, captures ground sense 7, and antenna 2 returns original state.
(3) as shown in Figure 6, if the speed of a motor vehicle is very fast, when incomplete transaction is gone back in the comunication area 8 far away, just sailed into and captured ground sense 7, the communication coverage area of antenna 2 switches to the nearly comunication area 6 by the comunication area 8 far away so, release OBU, and in the nearly comunication area 6 continuous business, as Fig. 7, shown in 8, as long as still have stoppage of vehicle triggering ground sense 9 or capturing ground sense 7, the communication coverage area of antenna 2 then remains on the nearly comunication area 6, do not have OBU if detect vehicle, then report to the police and lock empty OBU, if detected OBU but transaction is unusual, then report to the police and the trial continuous business, if Transaction Success, then release and lift railing clearance vehicle, system generates transaction record; As shown in Figure 9, when vehicle felt 7 with sailing out of triggering ground sense 9, candid photograph, antenna 2 returned original state.
(5) when vehicle sailed out of bar ground sense 4, railing 5 was fallen automatically.
Present embodiment except that following characteristics with embodiment 1: the structure of described antenna as shown in Figure 3, two groups of radio communication device branches are arranged, and lay respectively in two antenna boxes.Logic processing circuit be arranged in one of them antenna box and therewith the radio communication device in the antenna box be connected, described logic processing circuit is connected with radio communication device in being arranged on another antenna box by connecting line simultaneously.
The foregoing description is an optimal way of the present invention; but embodiments of the present invention are not limited by the foregoing description; in addition to the implementation; other any do not deviate from essence or the change on the principle, the modification done under the spirit of the present invention, substitutes, combination, simplify; all should be the displacement or the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1, a kind of dual communication area electronic non-parking the lane in which the drivers should pay fees system, comprise main control computer, antenna, automatic railing, sense, the bar ground sense that falls, expense volume display with triggering ground sense, candid photograph, antenna, automatic railing, sense, the bar ground sense that falls, expense volume display are connected with main control computer respectively with triggering ground sense, candid photograph, it is characterized in that: described antenna comprises the radio communication device of two groups of different emission angle, and be connected by logic processing circuit, overlap in the comunication area far away and the nearly comunication area that two groups of radio communication devices cover.
2, dual communication area electronic non-parking the lane in which the drivers should pay fees according to claim 1 system, it is characterized in that: described two groups of radio communication devices are positioned at same antenna box, and are connected with same antenna controller.
3, dual communication area electronic non-parking the lane in which the drivers should pay fees according to claim 1 system, it is characterized in that: described two groups of radio communication device branches are arranged, lay respectively in two antenna boxes, two radio communication devices are connected with same antenna controller or are connected with two different antenna controllers respectively.
4, dual communication area electronic non-parking the lane in which the drivers should pay fees according to claim 1 system is characterized in that: two comunication area laps that described antenna covers follow car direction length and are not less than 0.8m.
5, dual communication area electronic non-parking the lane in which the drivers should pay fees according to claim 1 system, it is characterized in that: described antenna is installed on the portal frame and is positioned at the top in track; Described portal frame is positioned at a segment distance behind the automatic railing arm.
6, dual communication area electronic non-parking the lane in which the drivers should pay fees according to claim 1 system is characterized in that: describedly trigger the ground sense, capture the ground sense be arranged in far away, the nearly comunication area that antenna covers respectively or respectively with far away, closely overlap in the comunication area; The described ground sense trailing edge that triggers is 0.8m～3m with the distance of capturing ground sense leading edge; Described triggering ground sense leading edge with the comunication area far away leading edge distance is-1m～3.5m; Described candid photograph ground sense leading edge is 0m～2m with nearly comunication area leading edge distance; The described bar ground sense that falls is installed in after the automatic railing; Antenna is 0m～3m in the projected centre point on the plane, track to the distance of automatic railing arm between the projected centre lines on the plane, track.
7, dual communication area electronic non-parking the lane in which the drivers should pay fees according to claim 1 system, it is characterized in that: breach is provided with vehicle detection apparatus in the isolation strip in track, and described vehicle detection apparatus is connected with main control computer.
8, the dual communication area electronic non-parking charging method of realizing according to each described dual communication area electronic non-parking the lane in which the drivers should pay fees system of claim 1～7, it is characterized in that: under the control of lane system, position and stateful transaction according to vehicle switch between the comunication area, clearance arm's length transaction vehicle or tackle illegal vehicle.
9, dual communication area electronic non-parking charging method according to claim 8 is characterized in that comprising the steps: that (1) enters the leading edge in the comunication area far away but no show when triggering the ground sense when vehicle, and antenna does not activate; (2) when the sense of triggering ground detects vehicle, activate the comunication area far away, system locks and concludes the business OBU; If in setting-up time, system detects less than OBU, then locks empty OBU, and warning and prompting vehicle leave the ETC track; (3) detect vehicle and current transaction imperfect tense when capturing the ground sense, system is to the OBU release, and the comunication area switches to the nearly comunication area by the comunication area far away, and in nearly comunication area continuous business; When trigger the ground sense and capture the ground sense all do not detect automobile storage the time, system switches go back to the comunication area far away and waits for new vehicle arrival; (4) after the Transaction Success, vehicle is let pass, and generates transaction record; (5) when vehicle sailed out of the sense of bar ground, railing was fallen.
10, dual communication area electronic non-parking charging method according to claim 8 is characterized in that: system increases the processing procedure of resetting row: the unrepeatable read time of (1) described antenna is set to 5～30 seconds; (2) OBU number of the interior Successful Transaction of described main control computer reservation setting-up time; (3) if system when being in nearly comunication area duty, detects OBU, OBU number that keeps as this OBU and main control computer repetition is arranged, and railing is in the state of falling automatically, the vehicle of this OBU is carried in then arguing for the sake of arguing clearance.
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| CNB2005101011979A CN100421130C (en) | 2005-11-14 | 2005-11-14 | Double communication area electronic non-parking charging lane system and method f realizing same thereof |
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| CNB2005101011979A CN100421130C (en) | 2005-11-14 | 2005-11-14 | Double communication area electronic non-parking charging lane system and method f realizing same thereof |
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| WO2010148773A1 (en) * | 2009-12-03 | 2010-12-29 | 中兴通讯股份有限公司 | Realizing method and apparatus for avoiding adjacent-channel interference in electronic toll of collection (etc) system |
| CN102034281A (en) * | 2010-12-10 | 2011-04-27 | 北京快通高速路电子收费系统有限公司 | Method for solving problem of adjacent channel interference through additional antenna positioning |
| CN102034281B (en) * | 2010-12-10 | 2012-01-11 | 北京快通高速路电子收费系统有限公司 | Method for solving problem of adjacent channel interference through additional antenna positioning |
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| CN102831657A (en) * | 2012-07-26 | 2012-12-19 | 深圳市金溢科技有限公司 | ETC (electronic toll collection) communication control method, multi-beam antenna, RSU (road side unit) and ETC system |
| CN102831657B (en) * | 2012-07-26 | 2015-11-25 | 深圳市金溢科技股份有限公司 | ETC communication control method, multiple-beam antenna, RSU and ETC system |
| CN103035038B (en) * | 2012-12-17 | 2016-12-07 | 山东易构软件技术股份有限公司 | A kind of electronic non-parking weight and charge system |
| CN103035038A (en) * | 2012-12-17 | 2013-04-10 | 山东易构软件技术有限公司 | Electronic no-stop toll-by-weight system |
| CN103778670A (en) * | 2013-04-15 | 2014-05-07 | 深圳市金溢科技有限公司 | BSRD-based vehicle following prevention method, positioning method, ETC method and system |
| CN103778670B (en) * | 2013-04-15 | 2016-04-27 | 深圳市金溢科技股份有限公司 | Car interference method, localization method, ETC method and system are followed based on the anti-of DSRC |
| CN104794765A (en) * | 2015-05-05 | 2015-07-22 | 武汉万集信息技术有限公司 | Electronic non-stop toll collection system and method |
| CN106683211A (en) * | 2016-12-21 | 2017-05-17 | 广州华工信息软件有限公司 | Intelligent ETC lane charging system and method based on phased array |
| CN109035455A (en) * | 2018-06-11 | 2018-12-18 | 平湖市超越时空图文设计有限公司 | Based on RFID highway ETC all-purpose road charging system |
| CN110047159A (en) * | 2019-04-22 | 2019-07-23 | 深圳成有科技有限公司 | Improve the method, device and equipment of free flow charge transaction success rate |
| CN110264734A (en) * | 2019-06-26 | 2019-09-20 | 北京梦陀螺科技有限公司 | A kind of vehicle on highway auditing system and its working method |
| CN111652994A (en) * | 2020-05-19 | 2020-09-11 | 苏州诺达佳自动化技术有限公司 | Industrial control computer for ETC lane |
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