CN103196513A - Tide display method and system for ship - Google Patents
Tide display method and system for ship Download PDFInfo
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- CN103196513A CN103196513A CN2013100331851A CN201310033185A CN103196513A CN 103196513 A CN103196513 A CN 103196513A CN 2013100331851 A CN2013100331851 A CN 2013100331851A CN 201310033185 A CN201310033185 A CN 201310033185A CN 103196513 A CN103196513 A CN 103196513A
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- morning
- ships
- boats
- evening tides
- latitude
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Abstract
The invention provides a tide display method and system for a ship. The system comprises a GPS module, a speed instrument, an electronic compass and a CPU (central processing unit) module, wherein the GPS module, the speed instrument and the electronic compass are connected with a CPU respectively; and the CPU is provided with electronic map software, and further connected with a memory where a tidal table is stored. The method comprises the steps of determining the ship position at future time according to the information such as the position, the direction, the speed, the route and the like; inquiring the tidal height of position when the ship reaches the position; and displaying the height through a curve chart. The method can provide dynamic and accurate predicted tidal information in accordance with the route for the sailing ship; and the system and the method are suitable for marine ships such as a fishing boat, a military warship and the like which are strong in activity.
Description
Technical field
The present invention relates to ocean navigation, navigation field, especially relate to a kind of method and system that can show the following position of boats and ships morning and evening tides height.
Background technology
Aspect shipping, some water channel and bay must could be navigated by water and the entering and leaving port before and after climax; At military aspect, sometimes in order to select favourable debarkation point and time, just must consider and grasp the situation of morning and evening tides; Aspect production, coastal fishery, culture fishery, agricultural, salt industry, development of resources, port engineering construction, measurement, environmental protection and tidal power generation etc., all rule of GPRS tidal fluctuations.
Existing morning and evening tides inquiry generally is based on tide-prediction table (abbreviating tidal table as), according to longitude and latitude and the temporal information of position, inquires about corresponding morning and evening tides height.Comparatively Xian Jin mode is the tide-prediction table to be input in the smart machines such as computing machine, import position and the time that to inquire about then, directly transfer corresponding morning and evening tides height change numerical value by computing machine and show, perhaps the form of corresponding numerical value by curve map showed more intuitively.On the tidal table query page (http://app.cnss.com.cn/tide_search.php) as Chinese maritime affairs net, can select harbour and the query time inquired about, and obtain the morning and evening tides height change curve map at corresponding this harbour of date.This mode can satisfy the demand of harbour service, but for the boats and ships that the position constantly changes, and just can't obtain the morning and evening tides height change information in the zone that boats and ships will reach, and is unfavorable for sea faring the development.
Summary of the invention
The present invention solves the technical matters that existing in prior technology can only be obtained the morning and evening tides height of fixed location, a kind of morning and evening tides height number that can obtain the zone that boats and ships will arrive is provided, provides dynamically, predict accurately the boats and ships morning and evening tides display packing of morning and evening tides information for navigating.
The present invention is directed to above-mentioned technical matters is mainly solved by following technical proposals: a kind of boats and ships morning and evening tides display packing may further comprise the steps:
A, the longitude J that from the GPS module, reads the current present position of boats and ships, latitude W and time T
0
B, from navigational speed measuring instrument, read the boats and ships present speed;
C, from electronic compass, read the current course of boats and ships;
D, according to the longitude J of course, speed, longitude and latitude Ship ' present position after the t
1With latitude W
1, t is the time interval, t is more than or equal to 10 minutes and smaller or equal to 3 hours;
E, from tidal table the inquiry longitude be J
1Latitude is W
1The morning and evening tides height H of position in the time of T0+t
1, carry out record;
F, t is replaced with nt, n is the natural number that increases one by one from 2, and n is smaller or equal to 100, repeating step d and step e several times, and the acquisition longitude is J
nLatitude is W
nThe position at T
0Morning and evening tides height H in the time of+nt
n
G, be transverse axis with time, the morning and evening tides height is that the longitudinal axis is drawn the following position marigram figure of boats and ships.
The position that this programme will reach by prediction follow-up a period of time of boats and ships, and the height of this place's morning and evening tides inquires when estimating to reach this place, the mode by curve map shows.Can know from the curve map and know boats and ships in the tidal fluctuations on following time sea of living in, for fishery, navigate, marine mobile operating such as military affairs brings great help.
A kind of boats and ships morning and evening tides display packing may further comprise the steps:
A, the longitude J that from the GPS module, reads the current present position of boats and ships, latitude W and time T
0
B, from navigational speed measuring instrument, read the boats and ships present speed;
C, boats and ships control personnel are by the predetermined navigation of electronic chart input circuit;
The longitude J of d, the predetermined navigation of basis circuit, speed, longitude and latitude Ship ' present position after t
1With latitude W
1, t is the time interval;
E, from tidal table the inquiry longitude be J
1Latitude is W
1The position at T
0Morning and evening tides height H in the time of+t
1, carry out record;
F, t is replaced with nt, n is the natural number that increases one by one from 2, repeating step d and step e several times, and the acquisition longitude is J
nLatitude is W
nThe position at T
0Morning and evening tides height H in the time of+nt
n
G, be transverse axis with time, the morning and evening tides height is that the longitudinal axis is drawn the following position marigram figure of boats and ships.
As preferably, described t is more than or equal to 10 minutes and smaller or equal to 3 hours.
As preferably, described n is smaller or equal to 100.The size of t and n can be set as required, and suitable numerical value can be saved computational resource providing under the situation of enough information, namely reduces hardware requirement, controls cost, and reduces the response time.
Need in electronic chart, to set in advance navigation route in this programme, than last scheme, can make the staff understand the variation of morning and evening tides height on the course line better, satisfy the demand under the scheduled airline situation.
Aforesaid two kinds of schemes, all need to set a refresh interval (as 1 minute), repeat a whole steps every refresh interval, the curve map of demonstration can be changed or vessel orientation changes and constantly changes along with the course line, and data presented is revised.
A kind of boats and ships morning and evening tides display system, comprise GPS module, navigational speed measuring instrument, electronic compass and CPU module, described GPS module, navigational speed measuring instrument and electronic compass are connected with central processing unit respectively, described central processing unit operation has electronic chart software, and described central processing unit also is connected with the storer that stores tidal table.
As preferably, described central processing unit also is connected with wireless communication unit, described central processing unit by wireless communication unit be arranged on land morning and evening tides querying server and be connected.
As preferably, described central processing unit also is connected with echo sounder, described central processing unit is with current vessel position information, temporal information and sea water advancedly send to the morning and evening tides querying server by wireless communication unit, and described vessel position information comprises altitude information.
Native system is applicable to aforesaid two kinds of query and indication methods.The GPS module is used for providing current location information, and navigational speed measuring instrument is used for providing velocity information, and electronic compass is used for providing directional information, and central processing unit is used for controlling and calculating.In the native system, the tidal table that tidal table in the storer is compared routine is more detailed, conventional tidal table can only provide the morning and evening tides information at each harbour, and this programme needs is the morning and evening tides information on whole sea, the tidal table that uses is more perfect, data volume is very huge, obviously is irrealizable by artificial enquiry.Because the memory capacity of storer is limited, from inquiry velocity, also be not suitable for all storing into global sea tidal fluctuations data the storer, so can in storer, only store the tidal data of the conventional navigation area of these boats and ships, and when ship's navigation when not storing data regional, from be arranged on the comparatively complete morning and evening tides querying server of land, information, inquire about the data that need by wireless communication unit.
Because the tidal data that relates to of this programme is not limited to harbour information, namely for the requirement of tidal table (tidal data storehouse) tidal table far above routine, this only depends in the past detection means to be difficult to finish all data and collects.Can find out the height at the echo sounder end off sea by being installed in echo sounder on the boats and ships, calculate the sea level height of boats and ships present position again according to the distance (this distance is definite value, can record by the manual input of staff or by senser element) on instrument and sea.Can record the sea level elevation of GPS module present position by the GPS module, calculate the sea level elevation of boats and ships present position according to the difference in height (difference in height is similarly definite value, can record by the manual input of staff or by senser element) on GPS module and sea.By wireless communication unit data such as sea level height, sea level elevation, temporal information, latitude and longitude information are sent to the morning and evening tides querying server, the morning and evening tides querying server calculates the difference of sea level height and superelevation reference field, is the morning and evening tides height.Also can draw the altitude information on sea by sea level elevation and the data that are stored in the morning and evening tides querying server, thereby calculate the morning and evening tides height of this position this moment, two morning and evening tides height are used for revising mutually, obtain information accurately.Constantly above-mentioned information is sent to the morning and evening tides querying server by boats and ships, the morning and evening tides querying server uses the tide prediction algorithm constantly to improve and to revise the numerical value in the tidal data storehouse by real-time morning and evening tides height, obtains result more accurately.Boats and ships morning and evening tides display system can be downloaded revised tidal data by wireless communication unit, and the data in the storer are upgraded, and keeps the accuracy of the marigram figure of prediction.
The substantial effect that the present invention brings is, can show the tidal data that boats and ships will the in-position, and dynamic curve map is provided, and the boats and ships that constantly change for the position provide morning and evening tides information accurately; Can constantly revise tidal table, form complete tidal data storehouse, rather than only limit to limited several harbours.
Description of drawings
Fig. 1 is a kind of structural representation of boats and ships morning and evening tides display system of the present invention;
Among the figure: 1, GPS module, 2, navigational speed measuring instrument, 3, electronic compass, 4, CPU module, 5, storer, 6, wireless communication unit, 7, echo sounder, 8, the morning and evening tides querying server.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1: a kind of boats and ships morning and evening tides display system of present embodiment as shown in Figure 1, comprises GPS module 1, navigational speed measuring instrument 2, electronic compass 3, CPU module 4, storer 5, wireless communication unit 6, echo scanner 7 and morning and evening tides querying server 8.GPS module 1, navigational speed measuring instrument 2, electronic compass 3, storer 5, wireless communication unit 6 and echo scanner 7 connect and compose the boats and ships terminal with CPU module 4 respectively, and wireless communication unit 6 is connected with morning and evening tides querying server 8 by wireless network.A morning and evening tides querying server can connect a plurality of boats and ships terminals.
Operation has electronic chart software on the boats and ships terminal, stores tidal table (tidal data storehouse) in the storer 5.
The GPS module is used for providing current location information, and navigational speed measuring instrument is used for providing velocity information, and electronic compass is used for providing directional information, and central processing unit is used for controlling and calculating.
A kind of boats and ships morning and evening tides display packing may further comprise the steps:
A, the longitude J that from the GPS module, reads the current present position of boats and ships, latitude W and time T
0
B, from navigational speed measuring instrument, read the boats and ships present speed;
C, from electronic compass, read the current course of boats and ships;
D, according to the longitude J of course, speed, longitude and latitude Ship ' present position after the t
1With latitude W
1, t is the time interval, t is more than or equal to 10 minutes and smaller or equal to 3 hours;
E, from the tidal table of storer the inquiry longitude be J
1Latitude is W
1The position at T
0Morning and evening tides height H in the time of+t
1, carry out record;
F, t is replaced with nt, n is the natural number that increases one by one from 2, and n is smaller or equal to 100, repeating step d and step e several times, and the acquisition longitude is J
nLatitude is W
nThe position at T
0Morning and evening tides height H in the time of+nt
n
G, be transverse axis with time, the morning and evening tides height is that the longitudinal axis is drawn the following position marigram figure of boats and ships.
The position that this programme will reach by prediction follow-up a period of time of boats and ships, and the height of this place's morning and evening tides inquires when estimating to reach this place, the mode by curve map shows.Can know from the curve map and know that boats and ships are in the tidal fluctuations on following time sea of living in.
Only store the tidal data of the conventional navigation area of these boats and ships in the storer, and when ship's navigation when not storing data regional, the data of from be arranged on the comparatively complete morning and evening tides querying server of land, information, inquiring about needs by wireless communication unit.
Can find out the height at the echo sounder end off sea by being installed in echo sounder on the boats and ships, calculate the sea level height of boats and ships present position again according to the distance (this distance is definite value, can record by the manual input of staff or by senser element) on instrument and sea.Can record the sea level elevation of GPS module present position by the GPS module, calculate the sea level elevation of boats and ships present position according to the difference in height (difference in height is similarly definite value, can record by the manual input of staff or by senser element) on GPS module and sea.By wireless communication unit data such as sea level height, sea level elevation, temporal information, latitude and longitude information are sent to the morning and evening tides querying server, the morning and evening tides querying server calculates the difference of sea level height and superelevation reference field, is the morning and evening tides height.Also can draw the altitude information on sea by sea level elevation and the data that are stored in the morning and evening tides querying server, thereby calculate the morning and evening tides height of this position this moment, two morning and evening tides height are used for revising mutually.Constantly above-mentioned information is sent to the morning and evening tides querying server by boats and ships, the morning and evening tides querying server uses the tide prediction algorithm constantly to improve and to revise the numerical value in the tidal data storehouse by real-time morning and evening tides height.Boats and ships morning and evening tides display system can be downloaded revised tidal data by wireless communication unit, and the data in the storer are upgraded.
Embodiment 2: the boats and ships morning and evening tides display system of present embodiment is identical with embodiment 1, and boats and ships morning and evening tides display packing is different, and the concrete steps of method are as follows:
A, the longitude J that from the GPS module, reads the current present position of boats and ships, latitude W and time T
0
B, from navigational speed measuring instrument, read the boats and ships present speed;
C, boats and ships control personnel are by the predetermined navigation of electronic chart input circuit;
The longitude J of d, the predetermined navigation of basis circuit, speed, longitude and latitude Ship ' present position after t
1With latitude W
1, t is the time interval;
E, from the tidal table of storer the inquiry longitude be J
1Latitude is W
1The position at T
0Morning and evening tides height H in the time of+t
1, carry out record;
F, t is replaced with nt, n is the natural number that increases one by one from 2, repeating step d and step e several times, and the acquisition longitude is J
nLatitude is W
nThe position at T
0Morning and evening tides height H in the time of+nt
n
G, be transverse axis with time, the morning and evening tides height is that the longitudinal axis is drawn the following position marigram figure of boats and ships.
T is more than or equal to 10 minutes and smaller or equal to 3 hours; N is smaller or equal to 100.The size of t and n can be set as required, and suitable numerical value can be saved computational resource providing under the situation of enough information, namely reduces hardware requirement, controls cost, and reduces the response time.
This programme can make the staff understand the variation of morning and evening tides height on the course line better, satisfies the demand under the scheduled airline situation.All the other provide the method in sea level height data correction tidal data storehouse identical with embodiment 1.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used terms such as GPS module, navigational speed measuring instrument morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (9)
1. a boats and ships morning and evening tides display packing is characterized in that, may further comprise the steps:
A, the longitude J that from the GPS module, reads the current present position of boats and ships, latitude W and time T
0
B, from navigational speed measuring instrument, read the boats and ships present speed;
C, from electronic compass, read the current course of boats and ships;
D, according to the longitude J of course, speed, longitude and latitude Ship ' present position after the t
1With latitude W
1, t is the time interval;
E, from tidal table the inquiry longitude be J
1Latitude is W
1The position at T
0Morning and evening tides height H in the time of+t
1, carry out record;
F, t is replaced with nt, n is the natural number that increases one by one from 2, repeating step d and step e several times, and the acquisition longitude is J
nLatitude is W
nThe position at T
0Morning and evening tides height H in the time of+nt
n
G, be transverse axis with time, the morning and evening tides height is that the longitudinal axis is drawn the following position marigram figure of boats and ships.
2. boats and ships morning and evening tides display packing according to claim 1 is characterized in that, described t is more than or equal to 10 minutes and smaller or equal to 3 hours.
3. boats and ships morning and evening tides display packing according to claim 1 and 2 is characterized in that described n is smaller or equal to 100.
4. a boats and ships morning and evening tides display packing is characterized in that, may further comprise the steps:
A, the longitude J that from the GPS module, reads the current present position of boats and ships, latitude W and time T
0
B, from navigational speed measuring instrument, read the boats and ships present speed;
C, boats and ships control personnel are by the predetermined navigation of electronic chart input circuit;
The longitude J of d, the predetermined navigation of basis circuit, speed, longitude and latitude Ship ' present position after t
1With latitude W
1, t is the time interval;
E, from tidal table the inquiry longitude be J
1Latitude is W
1The position at T
0Morning and evening tides height H in the time of+t
1, carry out record;
F, t is replaced with nt, n is the natural number that increases one by one from 2, repeating step d and step e several times, and the acquisition longitude is J
nLatitude is W
nThe position at T
0Morning and evening tides height H in the time of+nt
n
G, be transverse axis with time, the morning and evening tides height is that the longitudinal axis is drawn the following position marigram figure of boats and ships.
5. boats and ships morning and evening tides display packing according to claim 4 is characterized in that, described t is more than or equal to 10 minutes and smaller or equal to 3 hours.
6. according to claim 4 or 5 described boats and ships morning and evening tides display packings, it is characterized in that described n is smaller or equal to 100.
7. boats and ships morning and evening tides display system, it is characterized in that, comprise GPS module, navigational speed measuring instrument, electronic compass and CPU module, described GPS module, navigational speed measuring instrument and electronic compass are connected with central processing unit respectively, described central processing unit operation has electronic chart software, and described central processing unit also is connected with the storer that stores tidal table.
8. boats and ships morning and evening tides display system according to claim 7 is characterized in that described central processing unit also is connected with wireless communication unit, described central processing unit by wireless communication unit be arranged on land morning and evening tides querying server and be connected.
9. boats and ships morning and evening tides display system according to claim 8, it is characterized in that, described central processing unit also is connected with echo sounder, described central processing unit is with current vessel position information, temporal information and sea water advancedly send to the morning and evening tides querying server by wireless communication unit, and described vessel position information comprises altitude information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310033185.1A CN103196513B (en) | 2013-01-29 | 2013-01-29 | Boats and ships tide display method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310033185.1A CN103196513B (en) | 2013-01-29 | 2013-01-29 | Boats and ships tide display method and system |
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| Publication Number | Publication Date |
|---|---|
| CN103196513A true CN103196513A (en) | 2013-07-10 |
| CN103196513B CN103196513B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310033185.1A Expired - Fee Related CN103196513B (en) | 2013-01-29 | 2013-01-29 | Boats and ships tide display method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441244A (en) * | 2016-09-19 | 2017-02-22 | 青岛地球软件技术有限公司 | Tide forecasting device based on satellite positioning system |
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| CN2718517Y (en) * | 2004-04-29 | 2005-08-17 | 陈新 | Sea level buoy detector based on satellite positioning system |
| CN101256721A (en) * | 2008-02-03 | 2008-09-03 | 上海海事大学 | Grounding early-warning system for ship |
| CN101319903A (en) * | 2008-07-15 | 2008-12-10 | 浙江思拓信息工程有限公司 | Intelligent navigation monitoring system for vessel |
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2013
- 2013-01-29 CN CN201310033185.1A patent/CN103196513B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| CN2718517Y (en) * | 2004-04-29 | 2005-08-17 | 陈新 | Sea level buoy detector based on satellite positioning system |
| CN101256721A (en) * | 2008-02-03 | 2008-09-03 | 上海海事大学 | Grounding early-warning system for ship |
| CN101319903A (en) * | 2008-07-15 | 2008-12-10 | 浙江思拓信息工程有限公司 | Intelligent navigation monitoring system for vessel |
Non-Patent Citations (2)
| Title |
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| 冯义楷等: "远程GPS验潮方法研究", 《海洋测绘》, vol. 30, no. 1, 31 January 2010 (2010-01-31), pages 4 - 6 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441244A (en) * | 2016-09-19 | 2017-02-22 | 青岛地球软件技术有限公司 | Tide forecasting device based on satellite positioning system |
| CN106441244B (en) * | 2016-09-19 | 2018-09-18 | 青岛地球软件技术有限公司 | A kind of tide prediction device based on global position system |
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| Publication number | Publication date |
|---|---|
| CN103196513B (en) | 2015-12-02 |
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