CN106836136A - A kind of river sea bridge active collision-avoidance system based on AIS - Google Patents
A kind of river sea bridge active collision-avoidance system based on AIS Download PDFInfo
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- CN106836136A CN106836136A CN201710166288.3A CN201710166288A CN106836136A CN 106836136 A CN106836136 A CN 106836136A CN 201710166288 A CN201710166288 A CN 201710166288A CN 106836136 A CN106836136 A CN 106836136A
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- ship
- bridge
- voice signal
- data processing
- collision
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
- E02B3/26—Fenders
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G3/00—Traffic control systems for marine craft
- G08G3/02—Anti-collision systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The invention discloses a kind of river sea bridge active collision-avoidance system based on AIS, navigation information process unit, data processing unit and voice signal transmitting element including that can form data exchange with ship and VTS, data processing unit can complete data exchange with navigation information process unit and voice signal transmitting element respectively.The navigation information process unit of the technical program is used to send navigation main pier information, receive ship information and be transmitted to described data processing unit to ship；Data processing unit carries out computing according to the ship information for receiving, situation to ship is analyzed, judge that described ship whether there is risk of collision, voice warning is then sent to described voice signal transmitting element in time if there is risk of collision, voice message is then sent to described voice signal transmitting element in time if there is no risk of collision.
Description
Technical field
The present invention relates to a kind of science of bridge building anti-collision technique, especially a kind of river sea bridge active anticollision system based on AIS
System.
Background technology
With developing rapidly for national economy and communications and transportation, on the one hand by building across river large bridge over strait, delay
Solution traffic pressure, promotion land communications；On the other hand the tonnage and quantity of ships that transport are increased, to improve water transportation ability.
For water transportation ship, bridge turns into cultural obstacle.Bridge is happened occasionally by ship collision accident, is induced therefrom
Bridge span event of collapsing it is increasing.The Yangtze Bridge, bridge spanning the sea have turned into the sustainer of China's land transportation, vessel bump bridge problem
Especially loom large.
From domestic and international vessel bump bridge accident record data, analysis vessel bump bridge accident the reason for, three major types can be attributed to：First
Class is human error, such as violates navigation traffic rules, manipulates error, mistakenly estimates current and wind speed；Equations of The Second Kind is severe
Natural environment, such as poor visibility, great flood；3rd class is mechanical breakdown, such as main frame failure, steering wheel failure etc..Institute
Human error is main in having cause of accident, next to that severe natural environment, is again mechanical breakdown.Set up the anti-of active
The system of hitting is the important measures for avoiding human error from causing vessel bump bridge accident, has important meaning to the safe operation of river sea bridge
Justice.
The Anticollision Measures of bridge generally can be divided into two ways：Active anticollision and passive anticollision.Passive anticollision is by bridge
The shock of the reinforcement of pier itself or protective equipment to resist ship is threatened.To so far, both at home and abroad to pier anticollision field
Research primarily focuses on passive Anticollision Measures, bridge protection system is directly installed on bridge pier, in case bridge pier is directly subjected to ship
Oceangoing ship is collided.Active anticollision refers to by the navigation management to ship and ship trajectory intervention, it is to avoid the generation of vessel bump bridge accident.Can
See that active anticollision is positive anti-pre- measure, existing active Anticollision Measures have been summed up two classes：1st, bridge mark is set up, is passed through
Visual beacon, such as label, night lights in the daytime；Acoustic signal, such as fog signal；Indicator marker, such as radar reflector and radar response
Device etc., guiding shippping traffic sees clearly pier location, selects correct air route, and safety is passed a bridge.This method is simple and easy to apply, but by environment
Climatic effect is big, invalid during poor visibility.Although the influence of indicator marker not climate, visibility, due to indicator marker from
The technical limitation that body is present, can not get a desired effect；2nd, safety monitoring system is set up.By traffic control (VTS)
Radar monitoring, video monitoring early warning system and very high frequency telephone coordinate, and the ship to bridge Its Adjacent Waters and approaching bridge is implemented
The manual monitoring of 24 hours；Gap bridge ship is reminded in time, is taken measures early.It is characterized in the boat of energy monitor in real time shippping traffic
Row situation, finds accident potential early；But high cost, automaticity is low, it is difficult to monitor during shippping traffic peak；In order to avoid
Because the accident of the vessel bump bridge caused by human error factor occurs, the active defense of bridge active collision-avoidance system is greatly played
Advantage, completes the present invention.
The content of the invention
A kind of a kind of river sea bridge based on AIS it is an object of the invention to provide low cost, high degree of automation is actively anti-
Hit system, solve one or more in above-mentioned prior art problem.
To solve the above problems, the technical scheme is that：A kind of river sea bridge active collision-avoidance system based on AIS,
Its innovative point is：Navigation information process unit, number including data exchange can be formed with ship and VTS
According to processing unit and voice signal transmitting element, data processing unit is sent out with navigation information process unit and voice signal respectively
Sending unit can complete data exchange；
Navigation information process unit includes four ship automatic identification systems, and is averagely arranged on two navigation main piers
Or；
Data processing unit is the digital signal processor using modified Harvard architecture；
Voice signal transmitting element is the VHF-radiotelephone with automatic answer function, can be by by independent Chinese
The voice signal that sound synthesis module is produced is sent to described ship and VTS.
The navigation information process unit of the technical program is used to send navigation main pier information to ship, receives ship information
And it is transmitted to described data processing unit；Data processing unit carries out computing according to the ship information for receiving, to ship
Situation be analyzed, judge that described ship whether there is risk of collision, voice is warned in time then if there is risk of collision
Accuse and give described voice signal transmitting element, be then in time sent to voice message if there is no risk of collision described
Voice signal transmitting element；Voice signal transmitting element is used for the voice warning received to ship transmission or prompting and is handed over to ship
Logical management system sends the voice warning for receiving；
The navigation main pier information of the technical program includes pier location, bridge pier name, the course of bridge pier and the speed of a ship or plane, wherein,
Pier location, course and the speed of a ship or plane are produced by data processing unit；Described ship information includes ship name, vessel position, sea
Mobile identification code, the course of ship and the speed of a ship or plane.
The speed of a ship or plane of the bridge pier of the technical program is the simulation speed of a ship or plane, and its velocity magnitude is set to 0.3-0.5 sections.
In some embodiments, navigation information process unit can also be installed together with VTS.
Brief description of the drawings
Fig. 1 is river sea bridge active collision-avoidance system composition frame chart.
Fig. 2 is the data processing hardware interface framework of the river sea bridge active collision-avoidance system based on AIS.
Fig. 3 be the river sea bridge active collision-avoidance system based on AIS installation before on radar bridge image.
Fig. 4 be the river sea bridge active collision-avoidance system based on AIS installation after on radar bridge image.
Fig. 5 is the data processing software flow chart of the river sea bridge active collision-avoidance system based on AIS.
Specific embodiment
A kind of river sea bridge active collision-avoidance system based on AIS as shown in Figure 1 and Figure 5, including handed over ship and ship
Logical management system can form navigation information process unit, data processing unit and the voice signal transmitting element of data exchange,
Data processing unit can complete data exchange with navigation information process unit and voice signal transmitting element respectively；At navigation information
Reason unit include four ship automatic identification systems, and averagely be arranged on two navigation main piers on or；Data processing unit is
Using the digital signal processor of modified Harvard architecture；Voice signal transmitting element be with automatic answer function very
Hf radiotelephony, can be sent to described ship and ship by the voice signal produced by independent Chinese speech synthesis module
Traffic control system.
The navigation information process unit of the technical program is used to send navigation main pier information to ship, receives ship information
And it is transmitted to described data processing unit；Data processing unit carries out computing according to the ship information for receiving, to ship
Situation be analyzed, judge that described ship whether there is risk of collision, voice is warned in time then if there is risk of collision
Accuse and give described voice signal transmitting element, be then in time sent to voice message if there is no risk of collision described
Voice signal transmitting element；Voice signal transmitting element is used for the voice warning received to ship transmission or prompting and is handed over to ship
Logical management system sends the voice warning for receiving.
The navigation main pier information of the technical program includes pier location, bridge pier name, the course of bridge pier and the speed of a ship or plane, wherein,
Pier location, course and the speed of a ship or plane are produced by data processing unit；Described ship information includes ship name, vessel position, sea
Mobile identification code, the course of ship and the speed of a ship or plane.
The speed of a ship or plane of the bridge pier of the technical program is the simulation speed of a ship or plane, and its velocity magnitude is set to 0.3-0.5 sections.
Navigation information process unit can also be installed together with VTS.
Because digital signal processor DSP is a kind of embedded microprocessor of use modified Harvard architecture, make
Its arithmetic speed faster, and with abundant hardware resource.It has been widely used in data processing, communication, phonetic synthesis and figure
As fields such as treatment.The system is for data processing unit using the TMS320LF2407DSP chips that TI companies produce, and is made from it
System such as Fig. 2.
Dsp system unit will produce three kinds of dynamic datas to AIS：Position signalling, course signal and speed of a ship or plane signal.If
AIS is laid on main pier not only influences the attractive in appearance of bridge, and maintenance in the future also has inconvenience, therefore active anticollision system
System AIS does not require to lay on two bridge piers, and the upstream and downstream position signalling of two bridge piers produces analog signal to believe by the GPS of AIS by DSP
The input of number interface, so not only saves four DGPS receivers, while AIS can be placed in the place of any convenient management, most
It is good to be installed together with VTS.In order that vector points to, DSP consistent with navigation channel on the triangle of marine radar image pier location
Four course signals are produced to be respectively supplied to the course input interface of AIS1-AIS4.DSP produces a speed of a ship or plane letter for simulation
Number, selection of ship speed is in 0.3~0.5 section, because the dynamic data of ship AIS in anchored condition will send one in 3 minutes
It is secondary, in order to improve multidate information transmission frequency, there is provided make north south bank AIS1-4 just transmittable at every 12 seconds after a speed of a ship or plane signal
Once, it is ensured that the refreshing frequency that the radar image of shippping traffic can be higher.
Dsp system unit receives AIS data by any one data output interface in AIS1-AIS4, is here
AIS4, then believes from AIS extracting datas name of vessel, longitude and latitude, course, the speed of a ship or plane and maritime mobile service identity (MMSI) etc. are related
Breath.After ship is carried out into warning region, DSP is selected by being analyzed to the situation of carrying out ship after computing by VHF-DSC
Selecting property is called, and always voice peculiar to vessel is reminded on follow-up VHFCH12 channels.If carrying out ship has risk of collision, DSP to bridge pier
Alarm is sent immediately, and on the one hand prompting VTS keepers, take emergency measures, and are on the other hand sounded a warning to ship, it is necessary to immediately
Using collision prevention measure, and actively to VTS reports.
Speech simulation synthesis unit produces voice signal using independent Chinese speech synthesis module FX-S4240.
Equipment of the AIS1-AIS4 from ClassA classes.The transmit power of VHF-DSC is set to 1W, automatic-answering back device side is set
Formula, and follow-up radio channels are set on VHF Ch12 channels.
Data processing and programming
Each data-interface has worked out IEC61162 communication protocols (with U.S.'s navigation using International Electrotechnical Commission (IEC)
The NMEA0183 standards of Institution of Electronics are compatible).
Dsp system obtains longitude and latitude and the course of shippping traffic from any one output interface in AIS1-4, by calculating
If shippping traffic enters security area：Bridge upstream A signal lamps floating to Bridge Downstream B signal lamps it is floating between (regard bridge concrete condition to determine),
DSP starts to track the ship, and the state of motion to passing ship is analyzed at regular intervals, according to safe distance
dsafeThere is risk of collision in judgement.Work as dB＜ dsafeOr dA＜ dsafeWhen then illustrate exist collision bridge pier danger, DSP is to VHF-
The maritime mobile service identity (MMSI) that DSC sends the ship calls ship on CH70 channels, and in follow-up telephone communication, will
Voice warning notifies ship, takes effective anticollision collision prevention measure.Alarm is sent from loudspeaker simultaneously, VTS operators on duty are notified
The ship is taken measures.The ship dangerous to entering security area collisionless, system can also send a voice messaging, remind ship
Oceangoing ship enforces vigilance, with present heading safety bridge.
Data processing and programming
Each data-interface has worked out IEC61162 communication protocols (with U.S.'s navigation using International Electrotechnical Commission (IEC)
The NMEA0183 standards of Institution of Electronics are compatible).
Dsp system obtains longitude and latitude and the course of shippping traffic from any one output interface in AIS1-4, by calculating
If shippping traffic enters security area：Bridge upstream A signal lamps floating to Bridge Downstream B signal lamps it is floating between (regard bridge concrete condition to determine),
DSP starts to track the ship, and the state of motion to passing ship is analyzed at regular intervals, according to safe distance
dsafeThere is risk of collision in judgement.Work as dB＜ dsafeOr dA＜ dsafeWhen then illustrate exist collision bridge pier danger, DSP is to VHF-
The maritime mobile service identity (MMSI) that DSC sends the ship calls ship on CH70 channels, and in follow-up telephone communication, will
Voice warning notifies ship, takes effective anticollision collision prevention measure.Alarm is sent from loudspeaker simultaneously, VTS operators on duty are notified
The ship is taken measures.The ship dangerous to entering security area collisionless, system can also send a voice messaging, remind ship
Oceangoing ship enforces vigilance, with present heading safety bridge.
Active collision-avoidance system only compares showing bridge image effect on marine radar before and after installing
By taking Su-Tong Brideg as an example, before active collision-avoidance system is installed, the image that bridge shows on radar is as shown in figure 3, only
The main pier position of bridge and main navigation pitch of holes cannot be determined from radar image, human pilot can only when ship is by bridge
Identify and distinguish main pier position by naked eyes, in poor visibility or night, distinguish that main pier is difficult, there is vessel bump bridge
Potential safety hazard.
AIS data are combined the position (triangle in figure) that indicates Main Bridge bridge pier with radar image in fig. 4, bright
Really main navigable, adds the wireless telephonic voice messages of necessary VHF or warning, and system also reminds VTS, VTS when having dangerous situation
Strengthen the supervision to ship, marine navigator is taken measures early, safety bridge.
The above is only preferred embodiment of the invention, it is noted that to those skilled in the art, not
On the premise of departing from the invention design, some similar deformations and improvement can also be made, these also should be regarded as the present invention
Protection domain within.
Claims (2)
1. a kind of river sea bridge active collision-avoidance system based on AIS, it is characterised in that：Including with ship and vessel traffic service system
System can form navigation information process unit, data processing unit and the voice signal transmitting element of data exchange, the data
Processing unit can complete data exchange with navigation information process unit and voice signal transmitting element respectively；
The navigation information process unit includes four ship automatic identification systems, and is averagely arranged on two navigation main piers
Or；
The data processing unit is the digital signal processor using modified Harvard architecture；
The voice signal transmitting element is the VHF-radiotelephone with automatic answer function, can be by by independent Chinese
The voice signal that sound synthesis module is produced is sent to described ship and VTS.
2. a kind of river sea bridge active collision-avoidance system based on AIS according to claim 1, it is characterised in that：It is described logical
Boat information process unit can also be installed together with VTS.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710166288.3A CN106836136A (en) | 2017-03-20 | 2017-03-20 | A kind of river sea bridge active collision-avoidance system based on AIS |
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| CN201710166288.3A CN106836136A (en) | 2017-03-20 | 2017-03-20 | A kind of river sea bridge active collision-avoidance system based on AIS |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107886775A (en) * | 2017-11-25 | 2018-04-06 | 交通运输部东海航海保障中心福州航标处 | A kind of bridge zone ship active anti-collision early warning method and system |
| CN112017478A (en) * | 2020-09-10 | 2020-12-01 | 广州海事科技有限公司 | Bridge monitoring anti-collision early warning method and system, computer equipment and storage medium |
| CN112857360A (en) * | 2021-03-22 | 2021-05-28 | 哈尔滨工程大学 | Ship navigation multi-information fusion method |
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| CN107886775A (en) * | 2017-11-25 | 2018-04-06 | 交通运输部东海航海保障中心福州航标处 | A kind of bridge zone ship active anti-collision early warning method and system |
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