CN106781232A - A kind of ship stops the offshore platform alarm method of pipeline - Google Patents
A kind of ship stops the offshore platform alarm method of pipeline Download PDFInfo
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- CN106781232A CN106781232A CN201611012588.8A CN201611012588A CN106781232A CN 106781232 A CN106781232 A CN 106781232A CN 201611012588 A CN201611012588 A CN 201611012588A CN 106781232 A CN106781232 A CN 106781232A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
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Abstract
The invention discloses the offshore platform alarm method that a kind of ship stops pipeline, the ship stops the offshore platform alarm method of pipeline with pipeline peace platform essential information as data source, sets up pipeline and platform information matrix；The alarm region of pipeline and platform is set up using matrix algorithm, determine whether that ship enters pipeline or platform alarm region by discriminant by distance, whether stopped in pipeline or platform alarm region, and whether away from rear and close, and warning message is passed into front end and shown.Present invention combination database, alarm region is set up by pipeline and with offshore platform essential information, and dealing ship is monitored and alarmed using reasonable algorithm, and records warning message, is the guarantee for having safely provided safety of pipeline and offshore platform.
Description
Technical field
The offshore platform alarm of pipeline is stopped the invention belongs to offshore platform alarm technique field, more particularly to a kind of ship
Method.
Background technology
Shengli Oil Field is the especially big oil and gas production enterprises belonging to Sinopec, has 7 and is engaged in relating to for different work field
Extra large unit, persistently increases recently as offshore oil and gas Development control area dynamics, and situation of production is increasingly serious, to production operation
Marine site effectively to be managed, it is ensured that the maritime safety environmental protection huge problem that is faced as Shengli Oil Field of production.It is wherein marine
The most important one side of safety is the safety of petroleum pipeline and offshore platform, because offshore platform and pipeline are near continental shelf, is come
Numerous toward ship, sailing condition is complicated, and stop is cast anchor and is easy to damage petroleum pipeline near pipeline, and not clear ship steals oil
Situation also happen occasionally.Existing solution is exactly to carry out marine inspection and manually call monitoring device to check.Due to sea
Field width is wealthy, and platform and pipeline are numerous, and artificial inspection operation camera not only takes time and effort, and real-time is poor, can not horse
Upper discovery potential safety hazard.So the offshore platform warning system for developing a set of ship stop pipeline is particularly important.
In sum, it is existing to carry out marine inspection and manually call monitoring device to check, because marine site is broad, platform with
Pipeline is numerous, and artificial inspection operation camera not only takes time and effort, and real-time is poor, can not at once find that safety is hidden
Suffer from.
The content of the invention
It is an object of the invention to provide the offshore platform alarm method that a kind of ship stops pipeline, it is intended to solve existing
Carry out marine inspection and manually call monitoring device to check, because marine site is broad, platform and pipeline are numerous, artificial inspection operation is taken the photograph
As head not only takes time and effort, and real-time is poor, can not at once find the problem of potential safety hazard.
The present invention is achieved in that a kind of ship stops the offshore platform alarm method of pipeline, and the ship stops pipe
The offshore platform alarm method of line sets up pipeline and platform information matrix with pipeline peace platform essential information as data source；Utilize
Matrix algorithm sets up the alarm region of pipeline and platform, determines whether that ship enters pipeline or platform report by discriminant by distance
Police region domain, if stopped in pipeline or platform alarm region, and whether away from rear and close, and before warning message is passed to
End display；Hair spot ship enters alarm region, then set up warning message table, send alarm signal to front end and continue monitoring,
Alarm signal to front end is sent again when being returned near pipeline or platform after stay of ship again, when ship leaves alarm region
Warning message table is updated again, and by warning message table write into Databasce.
Further, pipeline matrix information table and platform matrix are set up by pipeline in reading database and platform essential information
Information table, then the alarm region parameter renewal alarm region setting according to artificial setting.
Further, monitored by pipeline alarm region, found to enter the ship of pipeline alarm region according to discriminant by distance
Warning message is simultaneously passed to front end by oceangoing ship, and by warning message write-in pipeline warning message table.
Further, monitored by pipeline alarm region, according to finding whether vessel position changes, whether judge ship
Stopped in alarm region, location information is write into pipeline warning message table if stopping.
Further, monitored by pipeline alarm region, judge whether ship leaves alarm region according to discriminant by distance,
Alarm region information write-in pipeline warning message table will be left if leaving.
Further, monitored by platform alarm region, found to enter the ship of platform alarm region according to discriminant by distance
Warning message is simultaneously passed to front end, and warning message is written in platform warning message table by oceangoing ship.
Further, monitored by platform alarm region, according to finding whether vessel position changes, whether judge ship
Stopped in alarm region, location information is write into platform warning message table if stopping.
Further, monitored by platform alarm region, judge whether ship leaves alarm region according to discriminant by distance,
Alarm region information write-in platform warning message table will be left if leaving.
Further, monitored by platform or pipeline alarm region, stay of ship is judged according to discriminant by distance or is passed through
Whether it is close to again after pipeline, alarm signal to front end is sent again if being close to.
Further, by the warning message table in reading database, looked into by official number, pipeline numbering or platform numbering
Ask warning message.
Further, the offshore platform alarm method of the ship stop pipeline is specifically included：
(1) platform data treatment：By reading pipeline inflection point coordinate in pipeline peace platform Basic Information Table, in adjacent comers
Between take a sub-value every 10m, calculate each point coordinate be sij, set up pipeline i paths arrays si=[si1,si2,…
sin], it is assumed that the coordinate of adjacent two flex point is (110,102) and (130,102), then the path array of this pipe string is s=
[(110,102),(120,102),(130,102)]；Each pipeline is all so processed, the path of all pipelines is obtained
Array s=[s1,s2,…sn]；
(2) pipeline and platform information matrix are set up：
By marine site with 100m as the length of side is divided into many lattices, obtain four transverse and longitudinal coordinates of point of each lattice
(xi,yj), (xi+1,yj), (xi,yj+1), (xi+1,yj+1)；The path array of pipeline is traveled through, if in the array of pipeline path
Certain point sij(x, y) meets following condition, xi＜ x ＜ xi+1,yj＜ y ＜ yj+1, then the numbering i of this pipeline is write into matrix
(i, j) position, until having traveled through a little in this pipeline path array, remaining pipeline then being traveled through again；From platform letter
Reading platform transverse and longitudinal coordinate in breath table, if for some platform sij(x, y) meets following condition, xi＜ x ＜ xi+1,yj＜ y
＜ yj+1, then the numbering i of this platform is write into matrix (i, j) position, travel through all platforms；
(3) alarm region is set up：Alarm region imagines out that no reality is set up, the region exactly delimited,
There is no storing process；
(4) Distance Judgment：
Pipeline Distance Judgment
Using radar fix vessel position, the matrix coordinate that vessel position is divided with marine site is compared, finds out ship
In which grid, it is assumed that ship then reads pipeline information matrix in grid (i, j), and finding out in grid (i, j) has which
A little pipelines, the point s searched in all path arrays in that region is numbered by pipelinei, Ship ' with a little apart from li,
Find out the l of minimumiThe as distance of ship and pipeline；
Platform Distance Judgment
Platform distance is similar to pipeline Distance Judgment, first looks for ship region, then looks up the platform in region, calculates
With the distance of platform, the distance that minimum range is exactly ship and platform is found.
The ship that the present invention is provided stops the offshore platform alarm method of pipeline, with reference to database, by pipeline and He Hai
Upper mounting plate essential information sets up alarm region, dealing ship is monitored and alarmed using reasonable algorithm, and records alarm signal
Breath, is the guarantee for having safely provided safety of pipeline and offshore platform.The purpose of the present invention is by this letter of pipeline peace stylobate
Breath and alarm region parameter set up alarm region, determine whether that whether ship enters alarm region, stopped in alarm region
And whether pipeline is passed through, and can afterwards carry out inquiry warning message；For ensureing offshore oil delivery pipeline and platform safety
Tool is of great significance.The present invention sets up pipeline and platform information matrix with pipeline peace platform essential information as data source,
The alarm region of pipeline and platform is set up using matrix algorithm, determines whether that ship enters pipeline or flat by discriminant by distance
Platform alarm region, if in pipeline or platform alarm region stop, and whether away from it is rear and near situations such as occur, and will
Warning message passes to front end and shows, also supports warning message inquiry.
The purpose of the present invention is to set up alarm region by pipeline peace platform essential information and alarm region parameter, is judged
Whether there is ship to enter alarm region, whether stopped in alarm region and whether away from rear and close, and can enter afterwards
Row inquiry warning message.For ensureing that offshore oil delivery pipeline and platform safety tool are of great significance.The present invention is to obtain
Take on the basis of pipeline peace platform essential information, construct pipeline and platform matrix, set up alarm region, calculated by matrix algorithm
Ship and the distance of alarm region, judge whether ship enters pipeline or platform alarm region according to discriminant by distance, if
Alarm region stop and whether away from it is rear and near situations such as occur, and alarm signal passed into front end show and by alarm signal
Breath is stored in warning message table write into Databasce, can also be inquired about afterwards.
Brief description of the drawings
Fig. 1 is the offshore platform alarm method flow chart that ship provided in an embodiment of the present invention stops pipeline.
Fig. 2 is the offshore platform alarm method overview flow chart that ship provided in an embodiment of the present invention stops pipeline.
Fig. 3 is pipeline matrix information table provided in an embodiment of the present invention.
Fig. 4 is platform matrix information table provided in an embodiment of the present invention.
Fig. 5 is platform provided in an embodiment of the present invention, the pipeline alarm region setting page.
Fig. 6 is that ship provided in an embodiment of the present invention enters alarm region schematic diagram.
Fig. 7 is stay of ship schematic diagram provided in an embodiment of the present invention.
Fig. 8, Fig. 9 are ships provided in an embodiment of the present invention near two kinds of platform alarm region schematic diagrames.
Figure 10 is ship provided in an embodiment of the present invention away from rear and close schematic diagram.
Figure 11 is platform provided in an embodiment of the present invention, pipeline warning message query page.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Artificial setup parameter of the invention updates platform and pipeline positional information matrix；Zone of alarm is judged based on discriminant by distance
Whether ship and ship motion conditions alarm region in are had in domain；Newly-increased warning message table；Update warning message table；Report
Alert information inquiry.Ship of the invention stops the offshore platform alarm method of pipeline, is in platform information matrix and pipeline information
On the basis of matrix, alarm region is set up, alarm region is monitored, by judging vessel position and alarm region position
Relation, determines whether ship enters alarm region.If it find that there is ship to enter alarm region, then warning message table, hair are set up
Go out alarm signal to front end and continue monitoring, alarm signal is sent again when being returned near pipeline or platform after stay of ship again
To front end, warning message table is updated again when ship leaves alarm region, and by warning message table write into Databasce.
Application principle of the invention is explained in detail below in conjunction with the accompanying drawings.
As shown in figure 1, the offshore platform alarm method that ship provided in an embodiment of the present invention stops pipeline includes following step
Suddenly：
S101：Update platform and pipeline matrix；
S102：Ship is processed into pipeline alarm region；
S103：Stay of ship is in the treatment of pipeline alarm region；
S104：Ship leaves the treatment of pipeline alarm region；
S105：Ship is processed into platform alarm region；
S106：Stay of ship is in the treatment of platform alarm region；
S107：Ship leaves the treatment of platform alarm region；
S108：Stay of ship is processed when starting to be close to pipeline or platform again after pipeline；
S109：Warning message is inquired about.
Pipeline matrix information table and platform matrix information table are set up by pipeline in reading database and platform essential information,
Then the alarm region parameter according to artificial setting updates alarm region and sets.
Monitored by pipeline alarm region, find that the ship for entering pipeline alarm region simultaneously will report according to discriminant by distance
Alert information passes to front end, and by warning message write-in pipeline warning message table.
Monitored by pipeline alarm region, according to finding whether vessel position changes, judge ship whether in alarm
Region is stopped, and location information is write into pipeline warning message table if stopping.
Monitored by pipeline alarm region, judge whether ship leaves alarm region according to discriminant by distance, if from
Open, alarm region information write-in pipeline warning message table will be left.
Monitored by platform alarm region, find that the ship for entering platform alarm region simultaneously will report according to discriminant by distance
Alert information passes to front end, and warning message is written in platform warning message table.
The offshore platform alarm method that the ship stops pipeline is specifically included：
(1) platform data treatment：By reading pipeline inflection point coordinate in pipeline peace platform Basic Information Table, in adjacent comers
Between take a sub-value every 10m, calculate each point coordinate be sij, set up pipeline i paths arrays si=[si1,si2,…
sin], it is assumed that the coordinate of adjacent two flex point is (110,102) and (130,102), then the path array of this pipe string is s=
[(110,102),(120,102),(130,102)]；Each pipeline is all so processed, the path of all pipelines is obtained
Array s=[s1,s2,…sn]；
(2) pipeline and platform information matrix are set up：
By marine site with 100m as the length of side is divided into many lattices, obtain four transverse and longitudinal coordinates of point of each lattice
(xi,yj), (xi+1,yj), (xi,yj+1), (xi+1,yj+1)；The path array of pipeline is traveled through, if in the array of pipeline path
Certain point sij(x, y) meets following condition, xi＜ x ＜ xi+1,yj＜ y ＜ yj+1, then the numbering i of this pipeline is write into matrix
(i, j) position, until having traveled through a little in this pipeline path array, remaining pipeline then being traveled through again；From platform letter
Reading platform transverse and longitudinal coordinate in breath table, if for some platform sij(x, y) meets following condition, xi＜ x ＜ xi+1,yj＜ y
＜ yj+1, then the numbering i of this platform is write into matrix (i, j) position, travel through all platforms；
(3) alarm region is set up：Alarm region imagines out that no reality is set up, the region exactly delimited,
There is no storing process；
(4) Distance Judgment：
Pipeline Distance Judgment
Using radar fix vessel position, the matrix coordinate that vessel position is divided with marine site is compared, finds out ship
In which grid, it is assumed that ship then reads pipeline information matrix in grid (i, j), and finding out in grid (i, j) has which
A little pipelines, the point s searched in all path arrays in that region is numbered by pipelinei, Ship ' with a little apart from li,
Find out the l of minimumiThe as distance of ship and pipeline；
Platform Distance Judgment
Platform distance is similar to pipeline Distance Judgment, first looks for ship region, then looks up the platform in region, calculates
With the distance of platform, the distance that minimum range is exactly ship and platform is found.
Wherein Platform Type has two kinds：
(1) platform border is irregular polygon；
(2) platform border is the polygon of rule.
Monitored by platform alarm region, according to finding whether vessel position changes, judge ship whether in alarm
Region is stopped, and location information is write into platform warning message table if stopping.
Monitored by platform alarm region, judge whether ship leaves alarm region according to discriminant by distance, if from
Open, alarm region information write-in platform warning message table will be left.
Monitored by platform or pipeline alarm region, stay of ship is judged or through being after pipeline according to discriminant by distance
It is no and close, alarm signal to front end is sent again if being close to.
By the warning message table in reading database, by official number, pipeline numbering or platform numbering inquiry alarm
Information.
Concrete technical scheme of the invention is as follows：
In step S101, platform and pipeline matrix are updated, connection database reads pipeline information, platform information, automatically
Generation pipeline, platform matrix information table.
Artificial setting alarm region parameter, automatically configures alarm region.
(1) pipeline matrix information table generation：
Marine site is divided into several rectangles, they are carried out into transverse and longitudinal coordinate numbering, every pipeline of traversal and tracking wire
Position, if pipeline passes through certain rectangle, records the ID of the pipeline in its corresponding matrix position.
(2) platform matrix information table generation：
With pipeline generation method, difference is exactly each region only one of which platform.
(3) alarm region parameter setting：
The system provides the function of setting alarm region parameter, and the parameter being related to mainly has pipeline perimeter security distance, and
Safe distance around platform.
Pipeline alarm region parameter is pipeline perimeter distance, and platform alarm region parameter is divided to two according to Platform Type difference
Kind, a kind of is the platform of border rule, and parameter is perimeter distance, and another kind is the region of irregularity boundary, and parameter is flat distance
The radius at platform center.
In step s 102, alarm region is that centered on pipeline, it is alarm region, X to extend X meters of marine site to pipeline both sides
It is the parameter of artificial setting.Ship is processed into pipeline alarm region, according to matrix algorithm every 5s Ship 's and pipeline
Distance, the alarm region parameter comparison with setting judges whether ship enters alarm region, if ship is less than with the distance of pipeline
Alarm region parameter, then set up pipeline warning message table, and alert is to front end.
Warning message is write into pipeline warning message table, pipeline warning message includes：
Pipeline title, pipeline numbering, official number, ship entry time, into place longitude, into place latitude etc. letter
Breath.
In step s 103, stay of ship is processed in pipeline alarm region, when the position of ship no longer changes, i.e.,
The ship transfixion duration be more than 5s, start recording ship in the stop time started of alarm region, and movement locus,
Untill when ship setting in motion, record is stopped the end time, and will be stopped the time started, and be stopped the end time, stop ground
Longitude is put, place latitude is stopped, is added to apart from pipeline minimum distance in pipeline warning message table.If ship is not stopped,
Above-mentioned warning message is set to sky.
In step S104, ship leaves the treatment of pipeline alarm region, when ship distance is more than alarm region parameter, says
Bright ship leaves alarm region, and the time that will be left, the longitude for leaving alarm region, the latitude for leaving alarm region, renewal are arrived
Pipeline warning message table, and write information to database.
In step S105, ship is divided into two kinds into the treatment of platform alarm region, Platform Type：
(1) the platform alarm region of type one treatment.
The platform features of type one are that platform border is irregular polygon, and alarm region is set to Platform center as the center of circle,
With the border circular areas that R sets up as radius, R is the parameter of artificial setting.
According to matrix algorithm Ship ' and the distance of Platform center, the alarm region radius contrast with setting judges ship
Whether oceangoing ship enters alarm region, if ship is less than alarm region radius with the distance of Platform center, sets up platform warning message
Table, and alert is to front end.Warning message is write into platform warning message table, platform warning message table includes：
Platform names, platform numbering, official number, ship entry time, into place longitude, into place latitude etc. letter
Breath.
(2) the platform alarm region of type two treatment.
The platform features of type one are the polygons that platform border is rule, and alarm region is set to platform border to around expanding
Y meters of exhibition, Y is the parameter of artificial setting.The platform of processing method same type one.
In step s 106, stay of ship is in the treatment of platform alarm region, and two types platform processes method is identical, i.e.,
When the position of ship no longer changes, i.e. the ship transfixion duration is more than 5s, and start recording ship is in zone of alarm
The stop time started in domain, and movement locus, when ship setting in motion untill, record stops the end time, and will stop
The time started is stayed, the end time is stopped, is stopped place longitude, stop place latitude, be added to pipeline apart from pipeline minimum distance
In warning message table.
If ship is not stopped, above-mentioned warning message is set to sky.
In step s 107, ship leaves the treatment of platform alarm region, and two types platform processes method is identical, that is, work as ship
When oceangoing ship distance is more than alarm region radius, illustrate that ship leaves alarm region, the time that will be left, the warp for leaving alarm region
Spend, leave the latitude of alarm region, update to pipeline warning message table, and write information to database.
In step S108, stay of ship is in alarm region or through after pipeline, continuing to monitor ship.One is calculated every 5s
The distance of secondary ship and nearest pipeline or platform is simultaneously recorded, if distance shows that ship exists less than the distance of last record
Returned again after sailing out of and be close to, alarm signal is at this moment sent to front end alarm.
In step S109, warning message inquiry can be to ship near pipeline or platform warning message by the interface
Inquired about by official number, pipeline numbering, platform numbering etc., and detailed warning message can be checked.
Application principle of the invention is further described below in conjunction with the accompanying drawings.
As shown in Fig. 2 ship of the present invention stops the offshore platform alarm method of pipeline, including：Pipeline, offshore platform are basic
Acquisition of information；Generation pipeline, offshore platform information matrix；Generation pipeline, offshore platform alarm region；Ship is alarmed into pipeline
Regional processing；Stay of ship is in the treatment of pipeline alarm region；Ship passes through pipeline；Ship is left at administration alarm region
Reason；Ship is processed into platform alarm region；Stay of ship is in the treatment of platform alarm region；Ship is left at platform alarm region
Reason；Warning message is inquired about.
In figure 3, Fig. 3 is pipeline information matrix schematic diagram in the present invention.Pipeline essential information in reading database, will
Full wafer marine site is divided into the zonule of rule.Concretely comprise the following steps：Marine site is divided into small rectangle and is numbered according to matrix form, so
The pipeline Basic Information Table in reading database obtains pipeline essential information afterwards, searches according to pipeline geographical coordinate small at each
Pipeline numbering in rectangle, and be stored in pipeline information matrix.
In fig. 4, Fig. 4 is platform information matrix schematic diagram in the present invention.
Platform essential information in reading database, full wafer marine site is divided into the zonule of rule, specific steps and pipe
Line is identical, and difference is each small rectangle only one of which platform, may but there is a plurality of pipeline.
In Figure 5, Fig. 5 is platform, the pipeline alarm region setting page.Different, the platform alarm region according to Platform Type
Arrange parameter is also different, and the platform border of type two is irregular polygon, alarm region with Platform center as the center of circle, setting
Length is the border circular areas of radius.The platform border of type one is the polygon of rule, with platform border to extending out during alarm region
Exhibition setpoint distance is alarm region.It, with pipeline as axis, is report to both sides extension setpoint distance that the alarm region of pipeline is exactly
Police region domain.
In figure 6, Fig. 6 is that ship enters alarm region schematic diagram.According between matrix algorithm Ship ' and pipeline
Distance, then compares according to discriminant by distance and set point pipeline perimeter distance, if less than perimeter distance, then produces alarm,
Alarm signal is passed into front end to show, and by warning message write-in pipeline warning message table.
Wherein dotted line represents the scope of safety zone, and green straight line represents ship in safe distance, and red straight line represents ship
Only have been incorporated into alarm region.
In the figure 7, Fig. 7 is stay of ship pipeline alarm region schematic diagram.The treatment of stay of ship platform alarm region is identical,
When the dead time is more than 5s in alarm region for ship, that is, it is considered as ship and is stopped in alarm region.
In Fig. 8, Fig. 9, Fig. 8, Fig. 9 are ship near two kinds of platform alarm region schematic diagrames.
Determination methods with judge ship enter pipeline alarm region method it is identical.Wherein dotted line represents platform alarm region model
Enclose, green straight line represents the ship outside alarm region, red line represents the ship within alarm region.
In Fig. 10, Figure 10 is ship away from rear and close schematic diagram.Ship is stopped or through pipeline in alarm region
Afterwards, in the event of away from situation again close after pipeline or platform, then alarm signal to front end is sent.
Wherein dotted line represents stay of ship position, and curve represents the movement locus after ship leaves stop place, from figure
As can be seen that ship sails out of pipeline after leaving stop place, but return near pipeline, such case will send alarm signal
Number.
In fig. 11, Figure 11 is platform, pipeline warning message query page.Query page connects database, can be according to
Official number, pipeline numbering and platform numbering carry out warning message inquiry, and Query Result is shown in the way of list, and unit is detailed
Information field can inquire about alarm details.
The present invention proposes the offshore platform alarm method that a kind of ship stops pipeline, is in platform information matrix and pipeline
On the basis of information matrix, alarm region is set up, alarm region is monitored, by judging vessel position and alarm region position
The relation put, determines whether ship enters alarm region.
If it find that there is ship to enter alarm region, then warning message table is set up, alarm signal is sent to front end and is continued
Monitoring, warning message table is updated when ship leaves alarm region again, and by warning message table write into Databasce.The present invention
Purpose be by pipeline peace platform essential information and alarm region parameter set up alarm region, determine whether ship enter
Alarm region, whether stopped in alarm region and whether pass through pipeline, and can afterwards carry out inquiry warning message.For
Ensure that offshore oil delivery pipeline and platform safety tool are of great significance.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of ship stops the offshore platform alarm method of pipeline, it is characterised in that put down at the sea that the ship stops pipeline
Platform alarm method sets up pipeline and platform information matrix with pipeline peace platform essential information as data source；Built using matrix algorithm
The alarm region of standpipe line and platform, determines whether that ship enters pipeline or platform alarm region by discriminant by distance, is
It is not no to be stopped in pipeline or platform alarm region, and whether away from rear and close, and warning message is passed into front end show；Hair
Spot ship enters alarm region, then set up warning message table, send alarm signal to front end and continue monitoring, works as stay of ship
Alarm signal to front end is sent again when returning near pipeline or platform afterwards again, updates report again when ship leaves alarm region
Alert information table, and by warning message table write into Databasce.
2. ship as claimed in claim 1 stops the offshore platform alarm method of pipeline, it is characterised in that by reading data
Pipeline and platform essential information set up pipeline matrix information table and platform matrix information table in storehouse, then according to the report of artificial setting
Police region's field parameter updates alarm region and sets.
3. ship as claimed in claim 1 stops the offshore platform alarm method of pipeline, it is characterised in that by pipeline report
Alert area monitoring, front end is passed to according to discriminant by distance discovery into the ship of pipeline alarm region and by warning message, and will
In warning message write-in pipeline warning message table.
4. ship as claimed in claim 1 stops the offshore platform alarm method of pipeline, it is characterised in that by pipeline report
Alert area monitoring, according to finding whether vessel position changes, judges whether ship stops in alarm region, will if stopping
Location information writes pipeline warning message table.
5. ship as claimed in claim 1 stops the offshore platform alarm method of pipeline, it is characterised in that by pipeline report
Alert area monitoring, judges whether ship leaves alarm region according to discriminant by distance, and alarm region letter will be left if leaving
Breath write-in pipeline warning message table.
6. ship as claimed in claim 1 stops the offshore platform alarm method of pipeline, it is characterised in that by platform report
Alert area monitoring, front end is passed to according to discriminant by distance discovery into the ship of platform alarm region and by warning message, and will
Warning message is written in platform warning message table.
7. ship as claimed in claim 1 stops the offshore platform alarm method of pipeline, it is characterised in that by platform report
Alert area monitoring, according to finding whether vessel position changes, judges whether ship stops in alarm region, will if stopping
Location information writes platform warning message table.
8. ship as claimed in claim 1 stops the offshore platform alarm method of pipeline, it is characterised in that by platform report
Alert area monitoring, judges whether ship leaves alarm region according to discriminant by distance, and alarm region letter will be left if leaving
Breath write-in platform warning message table.
9. ship as claimed in claim 1 stops the offshore platform alarm method of pipeline, it is characterised in that by platform or
Whether pipeline alarm region is monitored, judge stay of ship according to discriminant by distance or be close to again through after pipeline, if close
Alarm signal to front end is sent again；
By the warning message table in reading database, by official number, pipeline numbering or platform numbering inquiry warning message.
10. ship as claimed in claim 1 stops the offshore platform alarm method of pipeline, it is characterised in that the ship stops
The offshore platform alarm method of tube line is specifically included：
(1) platform data treatment：By reading pipeline inflection point coordinate in pipeline peace platform Basic Information Table, between adjacent comers
A sub-value is taken every 10m, the coordinate for calculating each point is sij, set up pipeline i paths arrays si=[si1,si2,…sin], it is false
If the coordinate of adjacent two flex point be (110,102) and (130,102), then the path array of this pipe string for s=[(110,
102),(120,102),(130,102)]；Each pipeline is all so processed, the path array s of all pipelines is obtained
=[s1,s2,…sn]；
(2) pipeline and platform information matrix are set up：
By marine site with 100m as the length of side is divided into many lattices, obtain the transverse and longitudinal coordinate (x of four points of each latticei,
yj), (xi+1,yj), (xi,yj+1), (xi+1,yj+1)；The path array of pipeline is traveled through, if for certain in the array of pipeline path
One point sij(x, y) meets following condition, xi＜ x ＜ xi+1,yj＜ y ＜ yj+1, then by the numbering i of this pipeline write-in matrix (i,
J) position, until having traveled through a little in this pipeline path array, remaining pipeline then being traveled through again；From platform information table
Middle reading platform transverse and longitudinal coordinate, if for some platform sij(x, y) meets following condition, xi＜ x ＜ xi+1,yj＜ y ＜
yj+1, then the numbering i of this platform is write into matrix (i, j) position, travel through all platforms；
(3) alarm region is set up：Alarm region imagines out that set up without actual, the region exactly delimited does not have
Storing process；
(4) Distance Judgment：
Pipeline Distance Judgment
Using radar fix vessel position, the matrix coordinate that vessel position is divided with marine site is compared, finds out ship at which
In one grid, it is assumed that ship then reads pipeline information matrix in grid (i, j), and finding out in grid (i, j) has which to manage
Line, the point s searched in all path arrays in that region is numbered by pipelinei, Ship ' with a little apart from li, find out
Minimum liThe as distance of ship and pipeline；
Platform Distance Judgment
Platform distance is similar to pipeline Distance Judgment, first looks for ship region, then looks up the platform in region, calculates and puts down
The distance of platform, finds the distance that minimum range is exactly ship and platform.
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