CN107886775A - A kind of bridge zone ship active anti-collision early warning method and system - Google Patents
A kind of bridge zone ship active anti-collision early warning method and system Download PDFInfo
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- CN107886775A CN107886775A CN201711196995.3A CN201711196995A CN107886775A CN 107886775 A CN107886775 A CN 107886775A CN 201711196995 A CN201711196995 A CN 201711196995A CN 107886775 A CN107886775 A CN 107886775A
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- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G3/00—Traffic control systems for marine craft
- G08G3/02—Anti-collision systems
Abstract
The present invention relates to a kind of bridge zone ship active anti-collision early warning method and system, this method to include：S1：Based on electronic chart division bridge zone navigation region；S2：Each virtual navigation mark navigation area sets a retrograde virtual navigation mark of judgement on the border of adjacent navigable；S3：The AIS information of collection bridge zone navigation ship in real time；S4：Based on bridge zone navigation region, the risk of collision grade for evaluating ship running state is obtained according to ship real-time coordinates, stem direction；S5：Broadcast message corresponding with the risk of collision grade of step S4 acquisitions is broadcast to ship.Compared with prior art, the present invention can carry out the assessment of ship collision bridge risks based on AIS data, and classified according to different risk class and provide broadcasting for navaid service and warning information to ship.
Description
Technical field
The present invention relates to radiobeacon and communication technique field, more particularly, to a kind of bridge zone ship active anti-collision early warning
Method and system.
Background technology
Bridge, it is the tie and infrastructure of road traffic traffic between ditch Tongjiang Hai Ludao and river two sides.With me
The fast development of state's transportation business, in recent years infrastructure are accelerated, and navigation bridge construction quantity is skyrocketed through.Substantial amounts of bridge
Beam is facilitating common people's trip, convenient road traffic, promotes Regional Economic Development.Because bridge bridge ties up and limited navigation water
Domain, and the demand for security of bridge itself, this brings to water activity particularly navigation safety and water transportation management
Puzzlement.Bridge-collision-avoidance is all one of Bridge Design and the risk core of implementation management all the time.The ship occurred over the years hits bridge
Accident, cause economy and human life property heavy losses, and serious social influence.
At present, the traditional anticollision of bridge mainly has passive type and active two kinds of anticollision means.The bridge-collision-avoidance of passive type,
Anticollision device, collision-prevention device is built mainly at bridge pier, by strengthening bridge structure, crash bearer is built on bridge pier side, is resisted with improving bridge
Hit ability；Or blocking apparatus is being set near bridge pier, by setting intercept net in bridge pier upstream and downstream waters navigation channel periphery,
Intercepted in advance to that will hit the ship of bridge pier or set, to obstruct or reduce ship collision, to impulsive force caused by bridge pier.Quilt
Dynamic formula anticollision means are at present using relatively more, commonplace.Second class is active anticollision means, mainly by strengthening bridge
Beam navigational aids planning, implement ship's routing in bridge zone and relieve traffic congestion stream, strengthen crewman's technical ability and competency-based training, periodically carry out sea
Cruise, and build and use VTS（Vessel traffic service, Ship Traffic Service）、AIS（Automatic
Identification System, ship automatic identification system）Aid to navigation and system are led in the modern times, strengthens regulatory measure
Intervention, from the angle for improving management essentials, regains the initiative, and the probability of ship collision bridge is reduced, so as to reach anticollision mesh
's.
In actual applications, there is the defects of different in existing several bridge-collision-avoidance technological means.
First, traditional passive type anticollision means, having that construction and maintenance management cost are high, impact resistance is limited etc. lacks
Fall into, it is bad especially for large ship, anti-collision effect.In addition, the anticollision means can only passive protection bridge, ship can not be reduced
Oceangoing ship collides the accident probability of bridge, and in accident generating process, simply provides bridge limited Anti-bumping protection, and can not protect
Ship is protected, once accident occurs necessarily to cause serious consequence.
Secondly, traditional existing active a few class anticollision means, bridge navigation mark information system management research, domestic ground zero,
It is still immature；By building the systems such as VTS, CCTV, and carry out the main regulatory measure such as marine ships cruise, it is necessary to which someone is worth
Keep, the human and material resources of input, financial resources are big, and person works' amount is big；And by artificial judgment risk of collision, there is also certain mistake
Sentence, artificial alarm has larger delay, necessarily brings the increasing of managing risk.In addition, pass through educational training, lifting crewman's element
Matter, human factor is reduced, be even more a long-term, engineering for systematization.
Therefore, the technical problem to be solved in the present invention is to provide a kind of unattended, intelligent evaluation risk of collision and automatic
The system for broadcasting warning information.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of bridge zone ship actively
Anti-collision early warning method and system, the assessment of ship collision bridge risks can be carried out based on AIS data, and according to different risks etc.
Level is classified provides broadcasting for navaid service and warning information to ship.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of bridge zone ship active anti-collision early warning method, comprises the following steps：
S1：Based on electronic chart division bridge zone navigation region, on the navigation region of the bridge zone mark have, navigable, bridge pier,
Virtual navigation mark, precautionary areas, security area, standard lane and Normal Course, wherein, each navigable is correspondingly arranged a sensing navigable
Normal Course, precautionary areas, security area and the virtual navigation mark of corresponding Normal Course are not set in ship by the side of navigable
Navigation area, the precautionary areas are located at security area periphery, and ship is guided along Normal Course successively economic policeman in the virtual navigation mark navigation area
Guard against area, precautionary areas passes through navigable；
S2：Each virtual navigation mark navigation area sets a retrograde virtual navigation mark of judgement on the border of adjacent navigable；
S3：The AIS information of collection bridge zone navigation ship in real time, it is real-time that the AIS information includes ship name, MMSI codes, ship
Coordinate, the speed of a ship or plane and stem direction；
S4：Based on bridge zone navigation region, obtained according to ship real-time coordinates, stem direction for evaluating touching for ship running state
Hit risk class；
S5：Broadcast message corresponding with the risk of collision grade of step S4 acquisitions is broadcast to ship.
The virtual navigation mark of retrograde judgement of the step S2 and the distance of bridge and current bridge zone hydrometeorology information and phase
Distance dependent between adjacent navigable.
The step S4 is specially：Risk of collision grade is divided into devoid of risk navaid grade, low-risk warning grade and height
Risk alert grade；
Ship pass through navigable before, if the coordinate of ship be located in precautionary areas, or ship coordinate be located at treat through navigable
In corresponding virtual navigation mark navigation area and stem direction and Normal Course are in the same direction, then are devoid of risk navaid grade；
Before ship passes through navigable, if the coordinate of ship is located at removing in security area and treated through virtual navigation mark corresponding to navigable
The exterior domain of navigation area, while stem direction is pointed to and treated through virtual navigation mark navigation area corresponding to navigable close to the side of ship one
The distance of the location point on boundary to bridge, which is more than, to be treated to judge virtual navigation mark to the distance of bridge through driving in the wrong direction corresponding to navigable, then for
Low-risk warning grade；
If there is deviation, retrograde or collision situation in ship, for excessive risk alert level.
The excessive risk alert level includes deviation alert level, alert level of driving in the wrong direction and collision warning grade；
Before ship passes through navigable, treat to lead through virtual navigation mark corresponding to navigable if the coordinate of ship is located in security area
Navigating area boundary, and the front bridge close to ship side is pointed in stem direction, then is deviation alert level；
Before ship passes through navigable, if the coordinate of ship is located at removing in security area and treated through virtual navigation mark corresponding to navigable
The exterior domain of navigation area, and the distance of the location point pointed in front of stem direction to bridge is less than or equal to treat to correspond to through navigable
The virtual navigation mark of retrograde judgement to the distance of bridge, while the location point region pointed in front of stem direction be located at mark where ship
In the security area of quasi- navigation channel side, or, after ship passes through navigable, if stem direction is directed towards corresponding to navigable virtually
Navigation mark navigation area is less than or equal to drive in the wrong direction corresponding to adjacent navigable close to the distance of location point to the bridge of the lateral boundaries of ship one to be sentenced
Fixed virtual navigation mark is then alert level of driving in the wrong direction to the distance of bridge；
Before ship passes through navigable, if the coordinate of ship is located at removing in security area and treated through virtual navigation mark corresponding to navigable
The exterior domain of navigation area, the distance of coordinate to the bridge of ship is less than or equal to default early warning distance, and bridge is pointed in stem direction
Pier, then it is collision warning grade.
The early warning distance value is 2 ~ 3 times of captain.
In the collision warning grade, stem direction points to bridge pier and is specially：Bridge pier is in extended line ± 2 ° in stem direction
It is interior.
In the step S5, if the transport condition of ship belongs to ship devoid of risk navaid grade, using AIS abutments station to
Ship broadcasts the navigation supported information for including bridge zone hydrometeorology information；
If the transport condition of ship belongs to low-risk warning grade, warning information is broadcast to ship using radio station；
If the transport condition of ship belongs to excessive risk alert level, using DSC systems carry out safety call and using radio station to
Ship broadcasts warning message.
A kind of system using above-mentioned bridge zone ship active anti-collision early warning method, including：
Electronic Chart Display and operation module, for showing electronic chart and bridge zone navigation region, and set to drive in the wrong direction and judge void
Intend navigation mark；
AIS ship oceangoing ship target dynamic monitoring module, for gathering the AIS information of bridge zone navigation ship in real time；
Navigation environment information monitoring module, for implementing to gather bridge zone hydrometeorology information；
Bridge zone navigation supported information management release module, for based on bridge zone navigation region, being obtained according to ship real-time coordinates, stem direction
Take in the risk of collision grade of evaluation ship running state, and corresponding to being broadcast to ship according to the risk of collision grade of acquisition
Broadcast message.
As active bridge anti-collision technology, compared with the technical schemes such as existing VTS, CCTV, the present invention have with
Lower advantage：
1st, system automatic data collection watercraft AIS data and intellectual analysis judgement and alarm are carried out, it is possible to achieve unattended.By right
Bridge approach and warning region are effectively divided, system can Intelligent Recognition enter the ship in bridge zone waters, judge that its navigation is dynamic
To, according to bridge zone ship navigation supported information issue mechanism, according to AIS data, the assessment algorithm of ship collision bridge risks is carried out, to
The ship of navigation sends radio alarm or warning in violation of rules and regulations, causes the attention of marine navigator, to take corrective action as early as possible
Prevent from colliding the generation of bridge event.
It is 2nd, fast to risk status reaction efficiency due to broadcasting warning information automatically without artificial judgment risk of collision, system,
In time, effectively ship can be avoided to hit bridge.
3rd, identify that name of vessel and voice are changed by AIS, can accurately notify risk ship.
4th, for system according to ship collision risk class, the ship that can be opened the navigation or air flight for bridge zone provides the navaid service and early warning of classification
Broadcast, improve navaid service and the navigation support ability of bridge zone.
Brief description of the drawings
Fig. 1 is the flow chart of ship active anti-collision early warning method in bridge zone of the present invention；
Fig. 2 is the schematic diagram in bridge zone navigation region；
Fig. 3 is the judgement schematic diagram of devoid of risk navaid grade；
Fig. 4 is the judgement schematic diagram of low-risk warning grade；
Fig. 5 is the judgement schematic diagram of deviation alert level；
Fig. 6 is that one kind of retrograde alert level judges schematic diagram；
Fig. 7 is that the another kind of retrograde alert level judges schematic diagram；
Fig. 8 is the judgement schematic diagram of collision warning grade；
Fig. 9 is the system structure diagram in practical application of the present invention；
Figure 10 is the schematic diagram that ship active anticollision process is realized in practical application of the present invention；
Figure 11 is the setting of bridge zone prewarning area and the schematic diagram of observation interface.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
As shown in figure 1, a kind of bridge zone ship active anti-collision early warning method, comprises the following steps：
S1：Based on electronic chart division bridge zone navigation region, mark has, is navigable, bridge pier, virtual on the navigation region of bridge zone
Navigation mark, precautionary areas, security area, standard lane and Normal Course, wherein, each navigable is correspondingly arranged the mark of a sensing navigable
Quasi- course, navigated in precautionary areas, security area and the virtual navigation mark that ship does not set corresponding Normal Course by the side of navigable
Area, precautionary areas are located at security area periphery, and virtual navigation mark navigation area guides ship to be worn successively through security area, precautionary areas along Normal Course
Navigable is crossed, as shown in Fig. 2 a certain bridge has a up navigable and a descending navigable, up navigable and descending navigation
It is bridge pier between hole.
S2：Each virtual navigation mark navigation area sets a retrograde virtual navigation mark of judgement on the border of adjacent navigable.
The step S2 virtual navigation mark of retrograde judgement and the distance of bridge and current bridge zone hydrometeorology information and adjacent logical
Distance dependent between boat hole.
S3：The AIS information of collection bridge zone navigation ship in real time, it is real-time that AIS information includes ship name, MMSI codes, ship
The data such as coordinate, the speed of a ship or plane and stem direction.
S4：Based on bridge zone navigation region, obtained according to ship real-time coordinates, stem direction for evaluating ship running state
Risk of collision grade.Wherein, risk of collision grade is divided into devoid of risk navaid grade, low-risk warning grade and excessive risk to warn
Report grade.
S5：Broadcast message corresponding with the risk of collision grade of step S4 acquisitions is broadcast to ship.
Concrete example explanation is carried out to different risk of collision grades below.
Ship pass through navigable before, if the coordinate of ship be located in precautionary areas, or ship coordinate positioned at treat through lead to
Navigate corresponding to hole in virtual navigation mark navigation area and stem direction and Normal Course are in the same direction, be then devoid of risk navaid grade, utilize AIS
Broadcast to ship comprising navigation supported informations such as bridge zone hydrometeorology information at abutment station.As shown in figure 3, ship drives into precautionary areas, AIS is broadcast
The navigation supported information such as bridge zone hydrometeorology is sent out, as ship presses standard lane normally travel, system does not broadcast early warning.
Before ship passes through navigable, if the coordinate of ship be located in security area except treat through corresponding to navigable virtually
The exterior domain of navigation mark navigation area, while stem direction is pointed to and treated through virtual navigation mark navigation area corresponding to navigable close to ship one
The distance of the location point of lateral boundaries to bridge is more than the distance treated through the retrograde virtual navigation mark of judgement corresponding to navigable to bridge,
It is then low-risk warning grade, warning information is broadcast to ship using radio station.As shown in figure 4, ship is in security area, stem to
Point to navigation channel but do not point to channel entrance accurately, advanced to navigation channel and be possible to laterally inserted navigation channel, certain collision wind now be present
Danger, degree of risk is relatively low, and system passes through DSC（Digital Selective Calling Terminals, numeral selectivity are exhaled
Cry）Ship calling system reminds ship switching channels, and is broadcasting warning information by radio station：" Please drive carefully, is maintained at boat
Navigated by water in road ".
If ship has deviation, retrograde or collision situation, for excessive risk alert level, DSC systems are utilized to carry out
Safety call simultaneously broadcasts warning message using radio station to ship.Excessive risk alert level includes deviation alert level, driven in the wrong direction
Alert level and collision warning grade.
Before ship passes through navigable, treat virtually to navigate corresponding to navigable if the coordinate of ship is located in security area
Navigation area boundary is marked, and the front bridge close to ship side is pointed in stem direction, then is deviation alert level.Such as figure
Shown in 5, ship rolls away from from the sideline of navigation channel, and stem, to bridge is directing forwardly, now ship collision bridge risks are higher, system
Deviation alarm is broadcast by radio station：" deviation！It please be maintained in navigation channel and navigate by water ".
Before ship passes through navigable, if the coordinate of ship be located in security area except treat through corresponding to navigable virtually
The exterior domain of navigation mark navigation area, and the distance of the location point pointed in front of stem direction to bridge is less than or equal to treat through navigable
The corresponding retrograde distance for judging virtual navigation mark and arriving bridge, while the location point region of sensing is located at ship institute in front of stem direction
In the security area of standard lane side, or, after ship passes through navigable, if stem direction, which is directed towards navigable, corresponds to phase
The virtual navigation mark navigation area of opposite direction is less than or equal to adjacent navigable close to the distance of location point to the bridge of the lateral boundaries of ship one
The corresponding retrograde virtual navigation mark of judgement is then alert level of driving in the wrong direction to the distance of bridge；Above-mentioned former is as shown in fig. 6, ship
Not in gap bridge navigation channel, stem (also can customize to the virtual navigation mark of retrograde judgement for pointing to the close bridge in navigation channel and set the navigation mark
Position) to the region between bridge（Grid area in corresponding diagram 6）When, above-mentioned latter is as shown in fig. 7, ship passes through bridge
Afterwards, stem drives in the wrong direction to sensing opposite navigation channel judges the exterior domain of the navigation channel line between virtual navigation mark and bridge（Lattice in corresponding diagram 7
Subregion）When, retrograde alarm is broadcast in radio station：" course is wrong, please observe navigation rule ".
Before ship passes through navigable, if the coordinate of ship be located in security area except treat through corresponding to navigable virtually
The exterior domain of navigation mark navigation area, the distance of coordinate to the bridge of ship is less than or equal to default early warning distance, and stem direction refers to
Then it is collision warning grade to bridge pier.As shown in figure 8, the following parameter of User Defined：The coordinate at four angles of bridge pier；Stem to
The dispersion angle of extended line（±2°）；Early warning distance（2 ~ 3 times of captains）, bridge pier in stem into extended line ± 2 °, and at ship
In in early warning distance, radio station alarm is triggered：" course please be correct, guard against collision, kept and bridge security distance ".
A kind of system using above-mentioned bridge zone ship active anti-collision early warning method, including：
Electronic Chart Display and operation module, for showing the electron sea of the specific navigation environment multidate information comprising bridge zone scene
Figure and bridge zone navigation region, and set to drive in the wrong direction and judge virtual navigation mark；
AIS ship oceangoing ship target dynamic monitoring module, for gathering the AIS information of bridge zone navigation ship in real time, it is easy in electron sea
（River）The real-time watercraft AIS information at bridge zone scene is shown on figure, understands scene dynamic；
Navigation environment information monitoring module, it is each by being carried on the navigation mark of front end for implementing to gather bridge zone hydrometeorology information
Class sensor, and access other hydrometeorological information, can monitor wind speed, wind direction, water flow velocity, current direction, water level, tide in real time
The real time information such as the real-time navigational clearance height of nighttide, bridge；
Bridge zone navigation supported information management release module, for based on bridge zone navigation region, being obtained according to ship real-time coordinates, stem direction
Take in the risk of collision grade of evaluation ship running state, and corresponding to being broadcast to ship according to the risk of collision grade of acquisition
Broadcast message.
The system also includes the aid to navigation monitoring and controlling modules such as abutment station, bridge mark, buoy, to all kinds of navaids of front end
Equipment operation condition is monitored and controlled；Comprehensive information searching module, the comprehensive inquiry to various information can be achieved；Statistics report
Table module, statistical report form is exported according to historical data；System management module, etc..
As shown in figure 9, establishing the ship craft integrated navigation supported information software systems in bridge zone in Surveillance center, set in software systems empty
Intend AIS navigation marks, establish the abutment station to be communicated respectively with ship and Surveillance center, while bridge zone navigation mark is set on bridge（Mark
Board and buoy）Deng hardware support kit equipment, when naval vessel ship enters navaid waters, the ship craft integrated navigation supported information software systems in bridge zone are
Navaid service is provided it.
As shown in Figure 10, the process for realizing ship active anticollision is：
1st, by bridge annex installation and deployment abutment station, the AIS information of collection bridge zone navigation ship, including ship name,
MMSI codes, ship real-time coordinates, the speed of a ship or plane, stem to etc. data.
2nd, the data collected are transferred to software systems and carry out analysis and evaluation by abutment station by 4G communication modules.
3rd, software systems parse to watercraft AIS information, while compare default zone of alarm on electronic chart and sea chart
Domain, assess the risk of the ship collision bridge.
4th, software systems are according to risk evaluation result（Devoid of risk, low-risk, excessive risk）, send and instruct to abutment station, by
Broadcast different types of navigation supported information and early warning in abutment station.
5th, abutment station identifies ship name according to AIS data, by voice conversion module, is called in the warning information of radio station
The name of vessel.
Software systems realize background function be：
When ship enters bridge zone region, host computer notice abutment station, SMS Tip is sent by AIS；Send out within every 3 minutes in region
Once, stop after leaving region；
When there is warning alert in ship：Host computer notice abutment station, warning short message is sent by AIS；It is continuous to send out 3 times, it is spaced 3 points
Clock；
When there is Warning alarm in ship：Host computer notice abutment station, warning message is sent by VHF, radio station simultaneously.Continuous hair 3
It is secondary, it is spaced 3 minutes；
Virtual navigation mark position modification：Host computer notice abutment station, system have modified navigation mark position；
Virtual navigation mark periodic broadcasting position：The independent timing virtual navigation mark information that outwards broadcast is set in abutment station, independent of upper
Machine.
The ship craft integrated navigation supported information software systems in bridge zone aim to solve the problem that the information-based journey still deposited in current bridge zone navaid service
The problems such as degree is not high, active alarm formula navaid degree is low, have extremely strong actuality and application value.The major function of system
Have：
（1）Establish bridge zone scope navigation basic information database system.By Multifunctional navigation mark construction, realized in bank base to bridge zone
Collection, transmission and the storage of the important informations such as the hydrology in navigation channel, meteorology, navigation channel, traffic flow.
（2）Realize the serial Communication to bridge zone navigation mark.New bridge mark with monitoring function is promoted the stage, but is needed
Further to realize to the new bridges and culverts target telemetry function in bridge zone, it is distant with the remote measurement for common navigation mark that is used at this stage
Control system complements one another, and effectively manages local all navigation marks.
（3）Explore the active safe navaid method in bridge zone waters.The marine vessel security control of passive type has certain
Limitation is further explored, it is necessary in bridge approach and realizes the active safety using navigation support equipment as important carrier
Navaid method.
（4）Establish the new model of bridge zone navigation support service.By informationization technology, with reference to internet environment, by more
Method multipath provides a user comprehensive navigation supported information, promotes bridge zone navigation safety to realize the passive management of navigation support to actively
Service conversion, so as to realize pipe, dredge combine, service for elder generation new working mechanism of government department, fulfil navigation support conscientiously
Government function.
In practical application, system support abutment station is installed on bridge nearby buildings, the ship craft integrated navigation supported information in bridge zone
System is installed on Surveillance center at the navigation mark of East Sea navigation support center Foochow, to area under one's jurisdiction Pingtan Strait bridge waters at the navigation mark of Foochow
Ship carry out integrating navigation supported information service.Automatic monitoring enters the watercraft AIS dynamic of bridge zone, and broadcasts bridge zone to ship
The AIS messages such as real-time meteorology, current, clear height of bridge, navigation mark dynamic, the ship to meeting warning or warning area navigation rule
Oceangoing ship keeps silent, starts point-to-point VHF voice messages to the navigating ship for violating setting area rule, promotes it to correct ship as early as possible
Oceangoing ship trend, prevent from manipulating the generation that delay triggers collision accident.Bridge zone prewarning area setting is as shown in figure 11 with observation interface.
In summary, the ship craft integrated navigation supported information software systems in bridge zone explore the new model of bridge zone navigation supported information service,
System clearly indicates navigation channel using virtual navigation mark technology, indicates prohibited area, and the hydrometeorological data of collection bridge zone navigation is to entrance
The measures such as bridge zone ship broadcast, can allow vast ship to know necessary navaid and navigation environment in real time after bridge approach is entered
Information, it may be such that part excessive risk ship knows its dangerous situation information in time, in severe sea condition（During such as poor visibility）Under
By active navigation supported information service, bridge approach navigation environment can be improved conscientiously, for fulfiling navigation support responsibility, ensured
Bridge zone navigation safety, has preferably application and promotional value.
Claims (8)
1. a kind of bridge zone ship active anti-collision early warning method, it is characterised in that comprise the following steps：
S1：Based on electronic chart division bridge zone navigation region, on the navigation region of the bridge zone mark have, navigable, bridge pier,
Virtual navigation mark, precautionary areas, security area, standard lane and Normal Course, wherein, each navigable is correspondingly arranged a sensing navigable
Normal Course, precautionary areas, security area and the virtual navigation mark of corresponding Normal Course are not set in ship by the side of navigable
Navigation area, the precautionary areas are located at security area periphery, and ship is guided along Normal Course successively economic policeman in the virtual navigation mark navigation area
Guard against area, precautionary areas passes through navigable；
S2：Each virtual navigation mark navigation area sets a retrograde virtual navigation mark of judgement on the border of adjacent navigable；
S3：The AIS information of collection bridge zone navigation ship in real time, it is real-time that the AIS information includes ship name, MMSI codes, ship
Coordinate, the speed of a ship or plane and stem direction；
S4：Based on bridge zone navigation region, obtained according to ship real-time coordinates, stem direction for evaluating touching for ship running state
Hit risk class；
S5：Broadcast message corresponding with the risk of collision grade of step S4 acquisitions is broadcast to ship.
2. a kind of bridge zone ship active anti-collision early warning method according to claim 1, it is characterised in that the step S2's
Distance dependent between the distance and current bridge zone hydrometeorology information and adjacent navigable that judge virtual navigation mark and bridge of driving in the wrong direction.
A kind of 3. bridge zone ship active anti-collision early warning method according to claim 1, it is characterised in that the step S4 tools
Body is：Risk of collision grade is divided into devoid of risk navaid grade, low-risk warning grade and excessive risk alert level；
Ship pass through navigable before, if the coordinate of ship be located in precautionary areas, or ship coordinate be located at treat through navigable
In corresponding virtual navigation mark navigation area and stem direction and Normal Course are in the same direction, then are devoid of risk navaid grade；
Before ship passes through navigable, if the coordinate of ship is located at removing in security area and treated through virtual navigation mark corresponding to navigable
The exterior domain of navigation area, while stem direction is pointed to and treated through virtual navigation mark navigation area corresponding to navigable close to the side of ship one
The distance of the location point on boundary to bridge, which is more than, to be treated to judge virtual navigation mark to the distance of bridge through driving in the wrong direction corresponding to navigable, then for
Low-risk warning grade；
If there is deviation, retrograde or collision situation in ship, for excessive risk alert level.
A kind of 4. bridge zone ship active anti-collision early warning method according to claim 3, it is characterised in that the excessive risk police
Grade is reported to include deviation alert level, alert level of driving in the wrong direction and collision warning grade；
Before ship passes through navigable, treat to lead through virtual navigation mark corresponding to navigable if the coordinate of ship is located in security area
Navigating area boundary, and the front bridge close to ship side is pointed in stem direction, then is deviation alert level；
Before ship passes through navigable, if the coordinate of ship is located at removing in security area and treated through virtual navigation mark corresponding to navigable
The exterior domain of navigation area, and the distance of the location point pointed in front of stem direction to bridge is less than or equal to treat to correspond to through navigable
The virtual navigation mark of retrograde judgement to the distance of bridge, while the location point region pointed in front of stem direction be located at mark where ship
In the security area of quasi- navigation channel side, or, after ship passes through navigable, if stem direction is directed towards corresponding to navigable virtually
Navigation mark navigation area is less than or equal to drive in the wrong direction corresponding to adjacent navigable close to the distance of location point to the bridge of the lateral boundaries of ship one to be sentenced
Fixed virtual navigation mark is then alert level of driving in the wrong direction to the distance of bridge；
Before ship passes through navigable, if the coordinate of ship is located at removing in security area and treated through virtual navigation mark corresponding to navigable
The exterior domain of navigation area, the distance of coordinate to the bridge of ship is less than or equal to default early warning distance, and bridge is pointed in stem direction
Pier, then it is collision warning grade.
A kind of 5. bridge zone ship active anti-collision early warning method according to claim 4, it is characterised in that the early warning distance
Value is 2 ~ 3 times of captain.
A kind of 6. bridge zone ship active anti-collision early warning method according to claim 4, it is characterised in that the collision warning
In grade, stem direction points to bridge pier and is specially：Bridge pier is in extended line ± 2 ° in stem direction.
A kind of 7. bridge zone ship active anti-collision early warning method according to claim 3, it is characterised in that the step S5
In, if the transport condition of ship belongs to ship devoid of risk navaid grade, broadcast using AIS abutments station to ship comprising bridge zone water
The navigation supported information of vigour of style image information；
If the transport condition of ship belongs to low-risk warning grade, warning information is broadcast to ship using radio station；
If the transport condition of ship belongs to excessive risk alert level, using DSC systems carry out safety call and using radio station to
Ship broadcasts warning message.
A kind of 8. system using ship active anti-collision early warning method in bridge zone as claimed in claim 1, it is characterised in that including：
Electronic Chart Display and operation module, for showing electronic chart and bridge zone navigation region, and set to drive in the wrong direction and judge void
Intend navigation mark；
AIS ship oceangoing ship target dynamic monitoring module, for gathering the AIS information of bridge zone navigation ship in real time；
Navigation environment information monitoring module, for implementing to gather bridge zone hydrometeorology information；
Bridge zone navigation supported information management release module, for based on bridge zone navigation region, being obtained according to ship real-time coordinates, stem direction
Take in the risk of collision grade of evaluation ship running state, and corresponding to being broadcast to ship according to the risk of collision grade of acquisition
Broadcast message.
Priority Applications (1)
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|---|---|---|---|
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| CN108922247A (en) * | 2018-07-25 | 2018-11-30 | 重庆大学 | A kind of ship based on AIS-navigation mark Risk-Degree of Collision evaluation method |
| CN109559562A (en) * | 2018-12-25 | 2019-04-02 | 广州通易科技有限公司 | A kind of personalized means of communication between bridge and ship |
| CN109615934A (en) * | 2019-01-17 | 2019-04-12 | 武汉烽理光电技术有限公司 | Bridge-collision-avoidance methods of risk assessment and system |
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| CN112133131A (en) * | 2020-09-15 | 2020-12-25 | 广州海事科技有限公司 | Ship yaw early warning method and system, computer equipment and storage medium |
| CN112951002A (en) * | 2021-03-18 | 2021-06-11 | 长江重庆航运工程勘察设计院 | Application method of bridge anti-collision active defense system |
| CN112951001A (en) * | 2021-03-18 | 2021-06-11 | 长江重庆航运工程勘察设计院 | Graded early warning method based on bridge anti-collision active defense system |
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| CN115616610A (en) * | 2022-12-19 | 2023-01-17 | 陕西欧卡电子智能科技有限公司 | Detection method and device for ship passing through bridge, computer equipment and storage medium |
| CN117351781A (en) * | 2023-10-11 | 2024-01-05 | 宁波朗达工程科技有限公司 | Active anti-collision early warning system and method for cross-sea bridge |
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