CN104709448B - The maximum allowable speed of a ship or plane setting device of ship - Google Patents
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- CN104709448B CN104709448B CN201510117216.0A CN201510117216A CN104709448B CN 104709448 B CN104709448 B CN 104709448B CN 201510117216 A CN201510117216 A CN 201510117216A CN 104709448 B CN104709448 B CN 104709448B
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Abstract
The present invention relates to a kind of maximum allowable speed of a ship or plane setting devices of ship, described device includes GPS locator, wireless communication interface, scattering formula visibility visualizer, weight input equipment and control device, control device respectively with GPS locator, wireless communication interface, the water channel width value of water channel where current course line of the scattering formula visibility visualizer connection to receive ship, the visibility of the airline traffic density and ship current location in current course line, water channel width value of the weight input equipment setting for speed of the ship in metres per second control, visibility and corresponding three weight factors of airline traffic density, control device is connect with weight input equipment, according to water channel width value, airline traffic density, visibility and three weight factors, determine the maximum allowable speed of a ship or plane of ship current location.The present invention can be in the water surface complicated and changeable, and flexibly setting effectively avoids the generation of marine incident suitable for ship running, different safe speed.
Description
It is on July 29th, 2014 that the present invention, which is application No. is 201410365798X, the applying date, entitled " ship is most
The divisional application of the patent of big permission speed of a ship or plane setting device ".
Technical field
The present invention relates to ship speed control field more particularly to a kind of maximum allowable speed of a ship or plane setting devices of ship.
Background technology
For highway transportation, the water surface transport the case where it is more complicated.The air visibility of current location, current location
The stenosis of residing water channel, the vessel traffic density in current waters and the landforms situation, etc. of underwater are all to influence water
The element of ship speed on face.It is thus impossible to as highway transportation, simply it is directed to a certain super expressway and defines one not
The fixed maximum permission speed of road condition change is changed over time, travels, but to consider influences ship speed on the water surface
Each main element, formulate a maximum speed that can change, ensure the safety traffic of the ship of current location.
The determination scheme that some ships limitation speed of a ship or plane exists in the prior art, each master of ship speed on influencing the water surface
It wants selection in element to influence maximum element to current location, carries out the setting of the maximum allowable speed of a ship or plane of ship of current location, this
A little technical solutions are to ensuring that certain positive effect is played in the safety traffic of ship, but disadvantage is also obvious.They are only
The limitation that the maximum allowable speed of a ship or plane is carried out using only single element causes speed-limiting proposal excessively single, inaccurate, the effect of speed limit
Generally, not comprehensive enough, or even in certain extreme cases, the generation of still unavoidable course line failure.
Therefore, it is necessary to a kind of comprehensive maximum allowable speed of a ship or plane of ship to set scheme, overcome spot ship speed of a ship or plane control device
By the technical problem that single element, speed limit effect are poor, by detecting the water channel width value of ship current location in real time, can see
Degree and airline traffic density formulate the weight factor of three above factor according to user experience or historical data, to current location
The maximum allowable speed of a ship or plane of ship calculated, farthest calculate meet safety traffic require the limitation speed of a ship or plane, improve water
The accuracy that the speed limit of face transport calculates.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of maximum allowable speed of a ship or plane setting devices of ship, fixed by introducing
The water channel width value of water channel where position equipment determines the current course line of ship, introduces the boat that wireless communication interface determines current course line
Line traffic density introduces the visibility that scattering formula visibility visualizer determines ship current location, and uses weight input equipment
Water channel width value, visibility and airline traffic density corresponding three weight factor of the setting for speed of the ship in metres per second control,
The maximum allowable speed of a ship or plane of COMPREHENSIVE CALCULATING ship current location, important referential data is provided for ship running.
According to an aspect of the present invention, a kind of maximum allowable speed of a ship or plane setting device of ship, the setting device packet are provided
It is fixed to include GPS locator, wireless communication interface, scattering formula visibility visualizer, weight input equipment and control device, the GPS
The water channel width value of water channel, the wireless communication interface connect from ship-handling center where the current course line of position device output ship
The airline traffic density in current course line is received, the scattering formula visibility visualizer obtains the visibility of ship current location, described
Water channel width value, visibility and airline traffic density corresponding three of the weight input equipment setting for speed of the ship in metres per second control
A weight factor, the control device respectively with the GPS locator, the wireless communication interface, the scattering formula visibility
Visualizer is connected with the weight input equipment, according to the water channel width value, the airline traffic density, the visibility and
Three weight factors, determine the maximum allowable speed of a ship or plane of ship current location.
More specifically, in the maximum allowable speed of a ship or plane setting device of the ship, further comprise：GPS locator, including it is interior
The user's setup unit and GPS positioning unit set, user's setup unit are used to receive the setting operation of user, the GPS
Positioning unit is used for the setting operation according to user, provides the current location of ship and current course line, and provide the current of ship
The water channel width value of water channel where course line；Wireless communication interface connects the GPS locator to receive the current location and institute
Current course line is stated, the current location and the current course line are sent to by wireless data communication network in ship-handling
The heart, and receive from ship-handling center the airline traffic density in current course line；Scattering formula visibility visualizer, including holder, hair
Unit, receiving unit and control unit are penetrated, the holder is fixed on Ship body top, the transmitter unit, the reception
Unit and described control unit are fixed on the bracket, and described control unit includes micro- CPU and communication interface, and the transmitting is single
The first and described receiving unit is staggered relatively, and the transmitter unit emits scattering light using GaAs infrared LEDs as light source, described to connect
It receives unit and scattering light is received using PIN type photosensitive tube, described control unit is separately connected the transmitter unit and the reception is single
Member, micro- CPU calculate visibility, the communication interface connection according to the light intensity of transmitting scattering light and the light intensity of reception scattering light
Micro- CPU is to export the visibility of ship current location；Weight input equipment, for according to the input of user, respectively into
The water channel width value of oceangoing ship speed control, visibility and the airline traffic density of navigating set the first weight factor, the second weight factor
With third weight factor；Ship's speed measuring apparatus, the current driving speed for measuring and exporting ship in real time；Control device, point
It is not connect with the GPS locator, the wireless communication interface and the scattering formula visibility visualizer to receive the water channel
Width value, the visibility and the airline traffic density, connect the weight input equipment with receive first weight because
Sub, described second weight factor and the third weight factor, based on the water channel width value, first weight factor, institute
State visibility, second weight factor, the airline traffic density and the third weight factor Ship ' current location
The maximum allowable speed of a ship or plane, connect with the ship's speed measuring apparatus to receive the current driving speed, and in the current driving
When speed is more than or equal to the maximum allowable speed of a ship or plane, sending out the speed of a ship or plane transfinites signal, the current driving speed be less than it is described most
When the big permission speed of a ship or plane, speed of a ship or plane normal signal is sent out；It shows equipment, the control device is connected, for receiving the speed of a ship or plane
Transfinite signal when, it is aobvious with low-light level when receiving the speed of a ship or plane normal signal the current driving speed is highlighted
Show the current driving speed；Wherein, the ships quantity that the airline traffic density is every nautical mile on course line is set in the control
It is standby to be handed over based on the water channel width value, first weight factor, the visibility, second weight factor, the course line
When flux density and the maximum allowable speed of a ship or plane of the third weight factor Ship ' current location, in the use of the visibility
On, it is the meter of the maximum allowable speed of a ship or plane of the visibility scale range progress ship current location at the visibility
It calculates, the visibility scale range includes less than 100 meters, 100 meters to 1 kilometer, 1 kilometer to 2 kilometers, 2 kilometers to 5 kilometers, 5 public affairs
In to 100 kilometers and 100 kilometers or more multiple visibility scale ranges；Wherein, the GPS locator, the wireless communication connect
Mouth and the scattering formula visibility visualizer are all located at the hull front end of ship, and the weight input equipment, the ship's speed measure
Equipment, the control device and the display equipment are located in the instrument board in ship control cabin；Wherein, the wireless communication interface
Receive the speed of a ship or plane transfinite signal when, the maximum allowable speed of a ship or plane of the current location of ship and ship current location is passed through into nothing
Line data communication network is sent to ship-handling center.
More specifically, in the maximum allowable speed of a ship or plane setting device of the ship, further comprise storage device, described in connection
Control device, for water channel width value, first weight factor, the visibility, second weight described in real-time storage
The maximum allowable speed of a ship or plane of the factor, the airline traffic density, the third weight factor and the ship current location.
More specifically, in the maximum allowable speed of a ship or plane setting device of the ship, the storage device is located at ship control cabin
Instrument board in.
More specifically, in the maximum allowable speed of a ship or plane setting device of the ship, the weight input equipment is keyboard or touches
Touch screen.
More specifically, in the maximum allowable speed of a ship or plane setting device of the ship, the control device is serially total by RS232
Line is connect with the wireless communication interface.
More specifically, in the maximum allowable speed of a ship or plane setting device of the ship, further comprise voice playing equipment, connects
The control device, for receive the speed of a ship or plane transfinite signal when, play audio alert file.
More specifically, in the maximum allowable speed of a ship or plane setting device of the ship, the voice playing equipment is located at ship control
In the instrument board in cabin processed.
More specifically, in the maximum allowable speed of a ship or plane setting device of the ship, the voice playing equipment is loud speaker.
Description of the drawings
Embodiment of the present invention is described below with reference to attached drawing, wherein：
Fig. 1 is the block diagram according to the maximum allowable speed of a ship or plane setting device of ship shown in embodiment of the present invention.
Fig. 2 is the knot according to the GPS locator of the maximum allowable speed of a ship or plane setting device of ship shown in embodiment of the present invention
Structure block diagram.
Specific implementation mode
The embodiment of the maximum allowable speed of a ship or plane setting device of ship of the present invention is carried out specifically below with reference to accompanying drawings
It is bright.
In driving process of the ship on the water surface, water channel is narrow residing for the air visibility of current location, current location
Degree and the vessel traffic density in current waters are to influence three key factors of safety of ship travel speed.Such as in visibility
It requires to use " safety speed " when bad (such as mist boat), in ship collision prevention rule；When by narrow channel, such as canal, sea
It easily causes danger, so sailing directions and traffic control portion waterborne since these more navigation channels of local ship are narrow in the relatively narrow place in the navigation channels such as gorge
Door also may require that using speed appropriate；In addition, in harbour, on the one hand because ship is more in harbour, on the other hand, shipping high speed
Prodigious wave can be evoked when navigation, the ship for berthing on bank, especially canoe can cause hull and water front to collide and cause
" swell damage " may be because that the wave is high and leads to shipwreck accident, so harbour in the area of port for navigating by water for the canoe of other navigation
Speed of the ship in metres per second it is also restricted.
In order to avoid accident occurs on the water surface for ship, the safety traffic strategy of current ship is, according to current driving position
The middle most important factor for influencing safety is set, the maximum allowable headway of current driving location is set, is permitted more than the maximum
Perhaps when headway, speed of a ship or plane alarm is carried out, when less than the maximum allowable headway, is operated without any alarm.It is this
Safety traffic strategy is simple, economical and have certain warning effect, but for complicated water surface situation, since influent factor is inclined
More, this safety traffic strategy is not comprehensive enough, and the computational accuracy of maximum allowable headway is not high, and warning effect is poor, only
In the case of considering a factor, other factors are often had ignored, influencing the crisis of safety traffic can not still eliminate, in extreme feelings
The generation of marine incident is resulted even under condition, and accident occurs for ship one, repairs difficulty and cost is all very high, gives the fortune of ship
Battalion quotient brings high economic loss.
The maximum allowable speed of a ship or plane setting device of ship proposed by the present invention, can obtain in real time influences the three of water speed
The vessel traffic density of the stenosis of water channel and current waters residing for a key data, i.e. visibility, current location, according to this
A little weight factors for obtaining data and Scientific Establishment in real time, determine the maximum allowable speed of a ship or plane of current location, full-scope safeguards ship in time
The safety traffic of oceangoing ship.
Fig. 1 is the block diagram according to the maximum allowable speed of a ship or plane setting device of ship shown in embodiment of the present invention.Such as
Shown in Fig. 1, the setting device includes GPS locator 1, wireless communication interface 2, scattering formula visibility visualizer 3, weight input
Equipment 4, control device 5, ship's speed measuring apparatus 6, display equipment 7, storage device 8 and voice playing equipment 9, control device 5 divide
Not with GPS locator 1, wireless communication interface 2, scattering formula visibility visualizer 3, weight input equipment 4, ship's speed measuring apparatus 6,
Show that equipment 7, storage device 8 and voice playing equipment 9 connect, GPS locator 1 is connect with wireless communication interface 2.The setting
The more specific structure of device is as described below.
As shown in Fig. 2, GPS locator 1 includes built-in user's setup unit 11 and GPS positioning unit 12, the user
Setup unit 11 is used to receive the setting operation of user, and the GPS positioning unit 12 is used for the setting operation according to user, provides
The current location of ship and current course line, and provide the water channel width value of the current course line place water channel of ship.
Wireless communication interface 2 connects the GPS locator 1 to receive the current location and the current course line, by institute
It states current location and the current course line and ship-handling center is sent to by wireless data communication network, and from ship-handling
The heart receives the airline traffic density in current course line.
Scattering formula visibility visualizer 3, including holder, transmitter unit, receiving unit and control unit, the holder are fixed
On at the top of the Ship body, the transmitter unit, the receiving unit and described control unit are fixed on the bracket, described
Control unit includes micro- CPU and communication interface, and the transmitter unit and the receiving unit are staggered relatively, and the transmitter unit is adopted
GaAs infrared LEDs are used to emit scattering light as light source, the receiving unit receives scattering light, the control using PIN type photosensitive tube
Unit processed is separately connected the transmitter unit and the receiving unit, light intensity and reception of the micro- CPU according to transmitting scattering light
The light intensity for scattering light calculates visibility, and the communication interface connects micro- CPU to export the visibility of ship current location.
Weight input equipment 4, for according to the input of user, respectively to carry out speed of the ship in metres per second control water channel width value,
Visibility and airline traffic density set the first weight factor, the second weight factor and third weight factor, the weight input
Equipment 4 is chosen as keyboard or touch screen.
Ship's speed measuring apparatus 6, the current driving speed for measuring and exporting ship in real time.
Control device 5 is seen with the GPS locator 1, the wireless communication interface 2 and the scattering formula visibility respectively
The connection of instrument 3 is surveyed to receive the water channel width value, the visibility and the airline traffic density, the weight input is connected and sets
Standby 4 to receive first weight factor, second weight factor and the third weight factor, is based on the water channel width
Value, first weight factor, the visibility, second weight factor, the airline traffic density and third power
The maximum allowable speed of a ship or plane of repeated factor Ship ' current location is connect with the ship's speed measuring apparatus 6 to receive the current line
Sail speed, and when the current driving speed is more than or equal to the maximum allowable speed of a ship or plane, sending out the speed of a ship or plane transfinites signal, described
When current driving speed is less than the maximum allowable speed of a ship or plane, speed of a ship or plane normal signal is sent out, control device 5 can be serial by RS232
Bus is connect with the wireless communication interface 2.
Show equipment 7, for receive the speed of a ship or plane transfinite signal when, current driving speed is highlighted
Degree, when receiving the speed of a ship or plane normal signal, the current driving speed is shown with low-light level.
Storage device 8, for water channel width value, first weight factor, the visibility described in real-time storage, described
The maximum allowable boat of second weight factor, the airline traffic density, the third weight factor and the ship current location
Speed.
Voice playing equipment 9, for receive the speed of a ship or plane transfinite signal when, play audio alert file, voice broadcasts
It puts equipment 9 and is chosen as loud speaker or other broadcasting devices.
Wherein, the ships quantity that the airline traffic density is every nautical mile on course line is based on described in the control device 5
Water channel width value, first weight factor, the visibility, second weight factor, the airline traffic density and institute
It is according to institute in the use of the visibility when stating the maximum allowable speed of a ship or plane of third weight factor Ship ' current location
State the calculating that the visibility scale range at visibility carries out the maximum allowable speed of a ship or plane of ship current location, the visibility
Rate range include less than 100 meters, 100 meters to 1 kilometer, 1 kilometer to 2 kilometers, 2 kilometers to 5 kilometers, 5 kilometers to 100 kilometers and
100 kilometers or more multiple visibility scale ranges；The GPS locator 1, the wireless communication interface 2 and the scattering formula energy
Degree of opinion visualizer 3 is all located at the hull front end of ship, the weight input equipment 4, the ship's speed measuring apparatus 6, the control
The equipment 5 and display equipment 7, the storage device 8 and voice playing equipment 9 are located at the instrument board in ship control cabin
It is interior；The wireless communication interface 2 receive the speed of a ship or plane transfinite signal when, by the current location of ship and ship current location
The maximum allowable speed of a ship or plane ship-handling center is sent to by wireless data communication network.
In addition, for the description that the traffic conditions to navigation channel quantize, people refer to vessel traffic density this
Parameter.So-called vessel traffic density refers to the ship quantity in certain navigation waters, generally with every nautical mile of ship quantity
As measurement standard.For example, the competent authority in certain countries provides, front and back 1 nautical mile of two ships spacing (or being spaced 6 minutes), i.e.,
Vessel traffic density most preferably 2 to 3 ships (every nautical mile).
In addition, GPS is the abbreviation of English Global Positioning System (global positioning system).GPS originates in
One project of US military in 1958, comes into operation for 1964.In the 1970s, land, sea, and air of U.S. joint research and development
Global Positioning System of new generation.Main purpose is to provide real-time, round-the-clock and global navigation for three big field of land, sea and air
Service, and for some military purposes such as information gathering, Nuclear detonation monitoring and emergency communications, by the research experiment in more than 20 years, consumption
30,000,000,000 dollars are provided, by 1994, own lay of 24 GPS satellite constellations that Global coverage rate is up to 98% was completed.GPS navigation system
System be based on global 24 positioning satellites, to all parts of the world it is round-the-clock the letters such as three-dimensional position, three-dimensional velocity are provided
A kind of radio-navigation positioning system of breath.He is made of three parts, first, ground control segment, by master station, ground day
Line, monitoring station and communication auxiliary system composition.Second is that space segment, is made of 24 satellites, it is distributed in 6 orbit planes.Three
It is user apparatus part, is made of GPS receiver and satellite antenna.Civilian positioning accuracy is up in 10 meters.GPS navigation system
Basic principle be to measure the satellite of known location the distance between to receiver user, then integrate the data of multi-satellite
It just may know that the specific location of receiver.Reach this purpose, the position of satellite can be recorded according to spaceborne clock when
Between found in satellite ephemeris.And user to satellite distance then by record that satellite-signal travels to that user undergone when
Between, then be multiplied by the light velocity and obtain that (due to the interference in atmosphere ionosphere, this distance is not true between user and satellite
Actual distance from, but pseudorange).It, can be constantly with the pseudo noise code of 1 and 0 binary element composition when GPS satellite works normally
(abbreviation pseudo-code) emits navigation message.When user receives navigation message, extract satellite time and by its with oneself when
Clock, which carries out comparison, can learn satellite at a distance from user, and the satellite almanac data in navigation message is recycled to extrapolate satellite hair
Present position when radio text, the information such as the position and speed of user in WGS-84 earth coordinates can be learnt.
The maximum allowable speed of a ship or plane setting device of ship of the present invention, when formulating the maximum allowable speed of a ship or plane of ship current location,
Each main element for influencing the speed of a ship or plane is considered comprehensively, i.e., water channel width value, the boat in current course line of water channel where current course line
The visibility of line traffic density and ship current location, and formulate according to historical data or driver experience the influence of each element
Weight factor formulates the maximum allowable speed of a ship or plane in correct current location, when ship exceeds the speed limit, alarms in time, avoids ship thing
Therefore occur, ensure that water surface traffic is unobstructed, maintains the economic interests of shipping transport quotient.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, every content without departing from technical solution of the present invention is right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (1)
1. a kind of maximum allowable speed of a ship or plane setting device of ship, the setting device includes GPS locator, wireless communication interface, dissipates
Penetrate formula visibility visualizer, weight input equipment and control device, water where the current course line of the GPS locator output ship
The water channel width value in road, the wireless communication interface receive the airline traffic density in current course line, institute from ship-handling center
The visibility that scattering formula visibility visualizer obtains ship current location is stated, the weight input equipment setting is used for speed of the ship in metres per second
Water channel width value, visibility and corresponding three weight factors of airline traffic density of control, the control device difference
Connect with the GPS locator, the wireless communication interface, the scattering formula visibility visualizer and the weight input equipment
It connects, according to the water channel width value, the airline traffic density, the visibility and three weight factors, determines ship
The maximum allowable speed of a ship or plane of current location；
It is characterized in that,
GPS locator, including built-in user's setup unit and GPS positioning unit, user's setup unit are used for receiving
The setting operation at family, the GPS positioning unit are used for the setting operation according to user, provide the current location of ship and current boat
Line, and provide the water channel width value of the current course line place water channel of ship；
Wireless communication interface, connects the GPS locator to receive the current location and the current course line, will be described current
Position and the current course line are sent to ship-handling center by wireless data communication network, and are received from ship-handling center
The airline traffic density in current course line；
Scattering formula visibility visualizer, including holder, transmitter unit, receiving unit and control unit, the holder are fixed on ship
In oceangoing ship hull top, the transmitter unit, the receiving unit and described control unit are fixed on the bracket, the control
Unit includes micro- CPU and communication interface, and the transmitter unit and the receiving unit are staggered relatively, and the transmitter unit uses
GaAs infrared LEDs emit scattering light as light source, and the receiving unit receives scattering light, the control using PIN type photosensitive tube
Unit is separately connected the transmitter unit and the receiving unit, and micro- CPU is dissipated according to the light intensity and reception of transmitting scattering light
The light intensity for penetrating light calculates visibility, and the communication interface connects micro- CPU to export the visibility of ship current location；
Weight input equipment, for the input according to user, respectively to water channel width value, the visibility of progress speed of the ship in metres per second control
The first weight factor, the second weight factor and third weight factor are set with airline traffic density；
Ship's speed measuring apparatus, the current driving speed for measuring and exporting ship in real time；
Control device is connect with the GPS locator, the wireless communication interface and the scattering formula visibility visualizer respectively
To receive the water channel width value, the visibility and the airline traffic density, the weight input equipment is connected to receive
First weight factor, second weight factor and the third weight factor, based on the water channel width value, described the
One weight factor, the visibility, second weight factor, the airline traffic density and the third weight factor calculate
The maximum allowable speed of a ship or plane of ship current location is connect with the ship's speed measuring apparatus to receive the current driving speed, and
When the current driving speed is more than or equal to the maximum allowable speed of a ship or plane, sending out the speed of a ship or plane transfinites signal, in current driving speed
When degree is less than the maximum allowable speed of a ship or plane, speed of a ship or plane normal signal is sent out；
Show equipment, connect the control device, for receive the speed of a ship or plane transfinite signal when, it is described to be highlighted
Current driving speed shows the current driving speed when receiving the speed of a ship or plane normal signal with low-light level；
Wherein, the ships quantity that the airline traffic density is every nautical mile on course line is based on the water channel in the control device
Width value, first weight factor, the visibility, second weight factor, the airline traffic density and described
It is according to the energy in the use of the visibility when the maximum allowable speed of a ship or plane of three weight factor Ship ' current locations
Visibility scale range at degree of opinion carries out the calculating of the maximum allowable speed of a ship or plane of ship current location, the visibility scale
Range includes less than 100 meters, 100 meters to 1 kilometer, 1 kilometer to 2 kilometers, 2 kilometers to 5 kilometers, 5 kilometers to 100 kilometers and 100
Kilometer or more multiple visibility scale ranges；
Wherein, the GPS locator, the wireless communication interface and the scattering formula visibility visualizer are all located at the ship of ship
Body front end, the weight input equipment, the ship's speed measuring apparatus, the control device and the display equipment are located at ship control
In the instrument board in cabin processed；
Wherein, the wireless communication interface receive the speed of a ship or plane transfinite signal when, the current location of ship and ship are worked as
The maximum allowable speed of a ship or plane of front position is sent to ship-handling center by wireless data communication network；
The weight input equipment is keyboard or touch screen.
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| CN201510117216.0A CN104709448B (en) | 2014-07-29 | 2014-07-29 | The maximum allowable speed of a ship or plane setting device of ship |
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| CN201410365798.XA CN104129482B (en) | 2014-07-29 | 2014-07-29 | Boats and ships maximum permission speed of a ship or plane setting device |
| CN201510117216.0A CN104709448B (en) | 2014-07-29 | 2014-07-29 | The maximum allowable speed of a ship or plane setting device of ship |
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| CN104129482A (en) * | 2014-07-29 | 2014-11-05 | 无锡北斗星通信息科技有限公司 | Maximum permitted sailing speed setting device of ship |
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| US6456941B1 (en) * | 2001-03-26 | 2002-09-24 | William Gutierrez | System and method for aircraft and watercraft control and collision prevention |
| CN101866157B (en) * | 2009-04-20 | 2012-01-11 | 中国水产科学研究院东海水产研究所 | Ship track recording and monitoring method |
| US8645012B2 (en) * | 2010-08-20 | 2014-02-04 | Johnson Outdoors Inc. | System and method for automatically navigating a depth contour |
| CN102938218B (en) * | 2012-12-05 | 2014-07-23 | 江苏省交通规划设计院股份有限公司 | Environment airworthiness pre-warning system of inland vessel and management method thereof |
| CN103398710B (en) * | 2013-08-06 | 2015-11-25 | 大连海事大学 | A navigation system for ships entering and leaving port under night fog conditions and its construction method |
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| CN104129482A (en) * | 2014-07-29 | 2014-11-05 | 无锡北斗星通信息科技有限公司 | Maximum permitted sailing speed setting device of ship |
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