CN107310688A - The ship model and its test method of maneuvering motion are done under distinguished and admirable load effect for simulating - Google Patents
The ship model and its test method of maneuvering motion are done under distinguished and admirable load effect for simulating Download PDFInfo
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- CN107310688A CN107310688A CN201710361665.9A CN201710361665A CN107310688A CN 107310688 A CN107310688 A CN 107310688A CN 201710361665 A CN201710361665 A CN 201710361665A CN 107310688 A CN107310688 A CN 107310688A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B71/00—Designing vessels; Predicting their performance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B79/00—Monitoring properties or operating parameters of vessels in operation
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
It is used to simulate the ship model and its test method that do maneuvering motion under distinguished and admirable load effect the present invention relates to a kind of, the ship model includes：Ship model body；On ship model body, for the beam wind group of planes for providing cross force He turning bow torque；On ship model body, longitudinal blower fan for providing longitudinal force；And, the control system of the state for doing maneuvering motion under the effect of distinguished and admirable load according to required simulation ship, it controls the work of the beam wind group of planes and longitudinal blower fan.The present invention reaches that realization carries out the purpose of maneuverability exercise test to surface vessel by fan action under conditions of without using distinguished and admirable pond in the different distinguished and admirable load of operating mode Imitating by installing power and torque that the distinguished and admirable load of blower fan equivalent simulation is acted on ship in deck in ship structure.
Description
Technical field
The present invention relates to the research of ship's manoeuverability, maneuvering motion is done under distinguished and admirable load effect in particular to for simulating
Ship model and its test method, for being simulated for ship in the effect lower-pilot motion of distinguished and admirable load.
Background technology
In early days, navigation performance research of the people to ship is primarily focused in hydrostatic, is visited as people are continuous to ocean
Rope, the time that ship is navigated by water across the sea lengthens significantly, and the distance for deviateing seashore is also more and more remote, and what is brought is the sea of experience
Condition is more complicated, and by less wind load and stream loading the phenomenons such as horizontal drift, course position change will be occurred for ship,
Particularly under the sea situation of strong wind and complicated ocean current, when Ship Maneuverability is not good or improper maneuver probably sends out ship
The raw danger toppled and collided, therefore, the influence of research wind load and stream loading to ship manoeuvrability are significant.
It was found from from substantial amounts of free-sailing model, general free-sailing model is primarily directed in hydrostatic, but large-scale water
When face naval vessel rides the sea, the factor that distinguished and admirable load influences on navigation safety is especially prominent.Therefore, before the construction of real ship
When carrying out model test, it is considered to which influence of the different sea situation leeward stream loadings to ship's manoeuverability is just particularly important, general
Method, which is utilized in stormy waves flowing water pond, carries out.And stormy waves flowing water pond carries out related manipulation and tests its cost height, and can only pin
To the surface vessel model of small yardstick, and the surface vessel model of large scale can not be carried out back in limited stormy waves flowing water pond
Turn, other maneuverability tests such as Z-shaped.
The content of the invention
Present invention aims in order to make up the existing deficiency to distinguished and admirable load maneuverability forecasting procedure, and there is provided one kind
The ship model and its analogy method of maneuvering motion are done under distinguished and admirable load effect for simulating, the present invention in deck in ship structure by installing
Power and torque that the distinguished and admirable load of blower fan equivalent simulation is acted on ship, reach that realization is led under conditions of without using distinguished and admirable pond
Fan action is crossed to carry out the purpose of maneuverability exercise test in the different distinguished and admirable load of operating mode Imitating to surface vessel.
Realize technical scheme that the object of the invention is used be it is a kind of be used to simulate under the effect of distinguished and admirable load do maneuvering motion
Ship model, including：
Ship model body；
A beam wind group of planes, on ship model body, for providing cross force and turning bow torque；
Longitudinal blower fan, on ship model body, for providing longitudinal force；And,
Control system, the state for doing maneuvering motion under the effect of distinguished and admirable load according to required simulation ship, controls institute
State the work of a beam wind group of planes and longitudinal blower fan.
In addition, the present invention also provide it is a kind of by above-mentioned ship model simulate ship distinguished and admirable load effect under do maneuvering motion
Test method, this method includes：
Pass through the speed and angle information of sensor detection ship model body；
Computer controlling center receive sensor detection information, and to described information processing after, output control servo electricity
The instruction of machine.
First servomotor, which is received, drives the beam wind group of planes and longitudinal blower fan to provide cross force and turn after the instruction
Bow torque and the longitudinal blower fan of control provide longitudinal force, with simulate cross force that distinguished and admirable load acted on ship model, turn bow torque with
And longitudinal force.
The present invention simulates power and torque that distinguished and admirable load is acted on ship with blower fan, i.e., realize ship using blower fan
Maneuverability test under different sea situations, experimentation cost can be substantially reduced by this ship model, and the cycle is short, for free-sailing model
Prospect is very wide.The key that the present invention is achieved is to be that turn being continually changing to angle with bow can accurately be exported in real time
Speed, and the power that rotating speed is produced can be also applied on hull model with bow to angle in real time.
The present invention can be simulated the cross force that distinguished and admirable load acted on ship model, longitudinal force simultaneously by blower fan and turn bow power
Square, greatlys save the cost of the manipulation free-sailing model conducted in stormy waves flowing water pond, and the test period is short, and precision is high,
And provide reliable foundation for forecast of the real ship under different sea situations.
Brief description of the drawings
Fig. 1 is used for the structural representation for simulating the ship model that maneuvering motion is done under distinguished and admirable load effect for the present invention.
Fig. 2 is Fig. 1 cut-away view.
In figure marked as：1-1 blower fans, 2-2 blower fans, 3-3 blower fans, 4-4 blower fans, 5-5 blower fans, 6-6 wind
Machine, 7-7 blower fans, 8-8 blower fans, 9-9 blower fans, 10-10 blower fans, 11-11 blower fans, 12- transmission lines, 13-GPS is passed
Sensor, 14- controllers, 15- sliding blocks, 16- slideways, 17- servomotors, 18- obliquity sensors.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the present invention does maneuvering motion for simulating ship model under distinguished and admirable load effect includes：Transverse fan
Group, longitudinal blower fan and control system.
A beam wind group of planes is on ship model body, the horizontal direction of the axially in parallel ship of the blower fan in a beam wind group of planes
(ship cross section), for providing cross force and turning bow torque.A beam wind group of planes of the present invention includes 6~16 transverse fans, 6~
16 transverse fans by two blower fans be two blower fans in one group, every group two-by-two by center of gravity be symmetrically distributed in ship model it is vertical in cut open
On the deck of face position.Symmetrically refer to that the two blower fans (are mainly center of gravity in center of gravity respectively by center of gravity two-by-two in the present invention
Lengthwise position) both sides, and it is equal to center of gravity (the mainly lengthwise position of center of gravity) fore-and-aft distance, so being referred to as to press center of gravity two-by-two
It is symmetrical.Wherein, two transverse fans in 6~16 transverse fans are symmetrically distributed in the stern of a bow one on deck by center of gravity,
Two blower fans can be rotated forward and can also inverted, for realizing that equivalent simulation turns bow torque.Remaining transverse fan is by two blower fans
Symmetrical and be from the close-by examples to those far off distributed in deck away from center of gravity by center of gravity two-by-two for two blower fans in one group, every group, described remaining is horizontal
It can only all be rotated forward to blower fan, for realizing equivalent simulation cross force.
Longitudinal draught fan group is on ship model body, and the longitudinal direction of the axially in parallel ship of the blower fan in longitudinal draught fan group is used
In offer longitudinal force.Longitudinal direction draught fan group of the invention includes 1~4 longitudinal blower fan, 1~4 longitudinal blower fan it is long axially along ship model
It is longitudinally arranged, the lengthwise position of its center of gravity is located at ship model center of gravity, and its transverse position of gravity center is located at ship model and indulged at midship section.
Control system is used for the state for doing maneuvering motion under the effect of distinguished and admirable load according to required simulation ship, and control is laterally
The work of draught fan group and longitudinal draught fan group.
The present embodiment illustrates technical solution of the present invention with 10 transverse fans and 1 with longitudinal blower fan.
Beam wind unit is by No. 1 blower fan 1, No. 2 blower fans 2, No. 3 blower fans 3, No. 4 blower fans 4, No. 5 blower fans 5, No. 6 blower fans 6,7
Number blower fan 7, No. 8 blower fans 8, No. 9 blower fans 9, No. 10 blower fans 10 totally ten blower fans compositions, ten transverse fans can be divided into two parts,
Part I includes 8 blower fans, and wherein this 8 blower fans are symmetrical and be from the close-by examples to those far off distributed away from center of gravity, 8 blower fans by center of gravity two-by-two
It can only all rotate forward, its function realizes equivalent simulation cross force；Part II includes 2 blower fans, and deck is symmetrically distributed in by center of gravity
The stern of a bow one, two blower fans can rotate forward and can also invert, and its function realizes that equivalent simulation turns bow torque；Longitudinal blower fan be for
No. 11 blower fans 11.
The arrangement to transverse fan group and longitudinal blower fan is illustrated respectively below：
The arrangement of beam wind unit includes：The starboard for being axially directed to ship, No. 2 blower fans of No. 1 blower fan 1 in beam wind unit
2 be axially directed to port, No. 3 blower fans 3 be axially directed to port, the starboard for being axially directed to ship of No. 4 blower fans 4, No. 5
The right side for being axially directed to ship for being axially directed to port, No. 7 blower fans 7 for being axially directed to port, No. 6 blower fans 6 of blower fan 5
The side of a ship, be axially directed to port, the starboard for being axially directed to ship of No. 9 blower fans 9, No. 10 blower fans 10 of No. 8 blower fans 8 are axially directed to
The starboard of ship, wherein, No. 5 blower fans 5 and No. 6 blower fans 6 are symmetrical by center of gravity two-by-two, and No. 4 blower fans 4 and No. 7 blower fans 7 are two
Two is symmetrical by center of gravity, and No. 3 blower fans 3 and No. 8 blower fans 8 are symmetrical by center of gravity two-by-two, No. 9 blower fans 9 and No. 10 wind
Machine 10 is symmetrical by center of gravity two-by-two, and 3~No. 10 blower fans do not provide reversion, i.e., only provide horizontal drawing in axial direction
Power, this is the transverse fan of a set type；Wherein ship model does gyration bow to angle in the range of 0-180 °, and selection is No. 3
Blower fan 3, No. 5 blower fans 5, No. 6 blower fans 6, No. 8 blower fans 8；Bow is to angle in the range of 180-360 °, and selection is No. 10 blower fans 10,4
Number blower fan 4, No. 7 blower fans 7, No. 9 blower fans 9；Chosen when ship model does Z-shaped motion according to the program set according to bow to the change at angle
Different transverse fans.No. 1 blower fan 1 and No. 2 blower fans 2 in beam wind unit are symmetrical by center of gravity two-by-two, two wind
Machine is located at the stern of a bow one, is respectively arranged at the bow of ship model and stern, and No. 1 blower fan 1 and No. 2 blower fans 2 can be rotated forward and can also inverted, wind
Machine it is axial opposed can provide it is larger turn bow torque, this is the transverse fan of another set type, and no matter ship model does revolution fortune
The such blower fan of dynamic or Z-shaped motion is all to open always.
The arrangement of longitudinal blower fan refers to that the lengthwise position of No. 11 blower fans 11 is located at the lengthwise position of the ship model center of gravity, horizontal position
Setting in the vertical midship section of ship model, it is axially directed to stem, and the blower fan both can be rotated forward or inverted, and no matter ship model does gyration
Or the Z-shaped such blower fan of motion is all to open always.11 blower fans are all individually to be connected with controller 14, according to the difference of operating mode
The rotating speed of different types of blower fan and blower fan is chosen, the rotating speed of blower fan is all change of the synchronous and bow to angle under each operating mode
And change.
Control system used of the invention includes sensor, servomotor, computer controlling center, and wherein sensor includes using
The speed of a ship or plane sensor of ship model body speed is detected in detection and the posture instrument sensor of ship model body angle is detected for detection.This
Speed of a ship or plane sensor used in embodiment is GPS sensor 13, and posture instrument sensor used is obliquity sensor 18.
Computer controlling center includes the computer of controller 14, transmission line 12 and ground, and transmission line 12 will be controlled
Device 14 processed is connected with sensor, servomotor, and detailed process is：The ship model body rate signal that GPS sensor 13 is detected
The ship model body angle signal detected with obliquity sensor 18 is transmitted to controller, is transmitted to computer, calculated by controller
Machine goes out the control for needing to drive a beam wind group of planes and longitudinal blower fan according to the signal of detection and the ship model condition calculating of required realization
Signal, and control signal is exported into the servomotor to the servomotor of beam wind group of planes apoplexy machine and longitudinal blower fan, servo electricity
Blower fan and longitudinal blower fan in a machine driving beam wind group of planes realize required simulation effect.
Because the height of 11 blower fan centers of gravity is significantly larger than the height of C.G. of actual distinguished and admirable load, therefore there is a transverse direction
The difference of torque, as a kind of preferred embodiment of the present invention, sets up a heel compensation device, the heel compensation device includes
Sliding block 15, slideway 16, servomotor 17, slideway 16 is laterally on ship model body, and sliding block 15 is located in slideway 16, sliding block 16
Can be the square iron block with certain mass, its quality maximum heeling moment needed for calculates gained, and it is moved and wind
The rotating speed of machine is synchronous；Servomotor 17 is the high-power electricity that can drive sliding block on slideway along ship model port and starboard transverse shifting
Machine.In the present embodiment, using two sets of identical heel devices along center of gravity it is symmetrical be arranged on inside the hull of ship model.Sliding block
15 can carry out transverse reciprocating under the driving of servomotor 17 on slideway 16 is constantly moved, and heel power is realized so as to reach
The compensation of square.
Thus, the present invention can complete the feedback of the information between computer-sensor-servo control mechanism three on ground
Transmitted with instruction, may finally drive and be rotated according to the different different types of blower fans of operating mode selection, and synchronous heel
Equipment mechanism implements the movement of sliding block to reach the compensation of heeling moment, the final manipulation realized under the distinguished and admirable load effect of simulation
Property motion.
Claims (10)
1. a kind of be used to simulate the ship model for doing maneuvering motion under distinguished and admirable load effect, including ship model body, it is characterised in that bag
Include：
A beam wind group of planes, on ship model body, for providing cross force and turning bow torque；
Longitudinal draught fan group, on ship model body, for providing longitudinal force；And,
Control system, the state for doing maneuvering motion under the effect of distinguished and admirable load according to required simulation ship, controls the horizontal stroke
To the work of draught fan group and longitudinal draught fan group.
2. it is used to simulate the ship model for doing maneuvering motion under distinguished and admirable load effect according to claim 1, it is characterised in that described
Control system includes：
Sensor, speed and angle information for detection ship model body；
First servomotor, for driving the beam wind group of planes and longitudinal draught fan group；And
Computer controlling center, the information for receiving sensor detection, and to described information processing after, output control institute
State the instruction of the first servomotor.
3. it is used to simulate the ship model for doing maneuvering motion under distinguished and admirable load effect according to claim 2, it is characterised in that：It is described
Sensor includes being used for the speed of a ship or plane sensor of detection ship model body speed and the appearance for detection ship model body angle
State instrument sensor.
4. it is used to simulate the ship model for doing maneuvering motion under distinguished and admirable load effect according to claim 3, it is characterised in that：It is described
Speed of a ship or plane sensor is GPS sensor, and the posture instrument sensor is obliquity sensor.
5. it is used to simulate the ship model for doing maneuvering motion under distinguished and admirable load effect according to claim 4, it is characterised in that also wrap
Heel compensation device is included, the heel compensation device includes：
Slideway, laterally on ship model body；
Sliding block, in the slideway；And,
Second servomotor, for driving the sliding block to be slided in slideway.
6. it is used to simulate the ship model for doing maneuvering motion under distinguished and admirable load effect according to claim 5, it is characterised in that：It is described
Heel compensation device is two sets, and two sets of heel compensation devices are symmetrically distributed in along center of gravity in the hull of ship model body.
7. being used to simulate the ship model for doing maneuvering motion under distinguished and admirable load effect according to claim 1~6 is any, its feature exists
In：
The beam wind group of planes includes 6~16 transverse fans, and 6~16 transverse fans are symmetrically distributed in by center of gravity two-by-two
On the deck of the vertical midship section position of ship model；
Longitudinal draught fan group includes 1~4 longitudinal blower fan, described 1~4 longitudinal blower fan axially along the longitudinal cloth of ship model length
Put, the lengthwise position of its center of gravity is located at ship model center of gravity, and its transverse position of gravity center is located at ship model and indulged at midship section.
8. it is used to simulate the ship model for doing maneuvering motion under distinguished and admirable load effect according to claim 7, it is characterised in that：
Two transverse fans in 6~16 transverse fans are symmetrically distributed in the stern of a bow one on deck, this two by center of gravity
Blower fan, which can be rotated forward, can also invert, for realizing that equivalent simulation turns bow torque；
Remaining transverse fan is one group by two blower fans in 6~16 transverse fans, every group two-by-two by center of gravity it is symmetrical and
Deck is from the close-by examples to those far off distributed in away from center of gravity, remaining described transverse fan can only all be rotated forward, for realizing equivalent simulation cross force.
9. a kind of simulate the test method that ship does maneuvering motion under the effect of distinguished and admirable load by ship model described in claim 1,
It is characterised in that it includes：
Pass through the speed and angle information of sensor detection ship model body；
Computer controlling center receive sensor detection information, and to described information processing after, output control servomotor
Instruction；
First servomotor, which is received, drives the beam wind group of planes and longitudinal blower fan to provide cross force and turn bow power after the instruction
Square and the longitudinal blower fan of control provide longitudinal force, to simulate cross force that distinguished and admirable load acted on ship model, turn bow torque and vertical
Xiang Li.
10. ship model simulation ship does the test method of maneuvering motion under the effect of distinguished and admirable load according to claim 9, it is special
Levy and be：By being symmetrically distributed in the benefit that two sets of heel compensation devices in the hull of ship model body realize heeling moment along center of gravity
Repay；Two sets of heel compensation devices include：Laterally the slideway on ship model body, the sliding block in the slideway, are used
The servomotor slided in driving sliding block in slideway；
Computer controlling center is according to a beam wind group of planes and longitudinal blower fan and the athwartship moment of actual distinguished and admirable load gravity center height
Difference, computer controlling center controls the second servomotor driving sliding block transverse reciprocating in slideway constantly to move, so that real
The compensation of existing heeling moment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710361665.9A CN107310688B (en) | 2017-05-22 | 2017-05-22 | For simulating the ship model and its test method that do maneuvering motion under distinguished and admirable load effect |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572930A (en) * | 2019-01-31 | 2019-04-05 | 烟台中集来福士海洋工程有限公司 | A kind of evaluation method of semisubmersible platform stream loading |
| CN111580499A (en) * | 2020-05-08 | 2020-08-25 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Verification method and device for automatic navigation function and electronic equipment |
| CN114088341A (en) * | 2021-11-24 | 2022-02-25 | 武汉理工大学 | Ship model uniform wind simulation system and method |
| CN114781074A (en) * | 2022-06-20 | 2022-07-22 | 交通运输部天津水运工程科学研究所 | Ship simulation and risk assessment method in complex environment |
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| CN107310688B (en) | 2019-01-04 |
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