CN210011844U - High-speed ship with additional tail wave pressing plate - Google Patents
High-speed ship with additional tail wave pressing plate Download PDFInfo
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- CN210011844U CN210011844U CN201920518576.5U CN201920518576U CN210011844U CN 210011844 U CN210011844 U CN 210011844U CN 201920518576 U CN201920518576 U CN 201920518576U CN 210011844 U CN210011844 U CN 210011844U
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The utility model discloses a high-speed ship of tailgating is additionally equipped with, be provided with fixed duck tongue type hydrofoil at the bow and be provided with initiative controllable formula tailgating at the stern, duck tongue type hydrofoil and bow lower part fixed connection, tailgating are at hull central line bilateral symmetry arrangement, and two boards are the same, all are the cuboid board, and tailgating both ends are articulated with the support frame, and support frame fixed mounting is on the stern shrouding, and the support frame plays the effect of stabilizing the tailgating, the angle of adjustment tailgating is at 0 ~ 10 within range internal rotation, and duck tongue type hydrofoil and tailgating can increase vertical motion damping and obtain the moment of restraining the pitch, and the tailgating can also improve the afterbody flow field, reduces the boats and ships resistance, and the combination of duck tongue type hydrofoil and tailgating can improve boats and ships suitability, wave resistance and rapidity.
Description
Technical Field
The utility model discloses an improve boats and ships rapidity and resistant ripples nature, specifically be provided with fixed duck tongue type hydrofoil and stern at the bow and be provided with initiative controllable formula tail wave suppression board.
Background
The ship has to have excellent rapidity and wave resistance as an important platform for marine operations, and the rapidity and wave resistance are related to the vitality and the fighting capacity of the ship. The bottom fouling phenomenon of ships and warships and the mechanical wear of screw can both increase host computer power consumption, through installing tail wave pressing plate at the stern, can improve the flow field of boats and ships afterbody, reduce the tail wave, increase "virtual length" to reduce boats and ships resistance, the rapidity improves. The ship sails in waves and sways, wherein pitching, rolling and heaving have great influence on the comfort of crews and the operational capacity of the ship, and vertical motion damping is increased, a moment opposite to the pitching direction is obtained, and the generation of ship swaying is restrained by installing an actively controllable tail surfboard at the stern and installing a fixed duck tongue type hydrofoil at the bow. The installation combination of the duck-tongue type hydrofoil and the tail wave suppression plate improves the rapidity and the wave resistance of the ship.
The Chinese patent application number is 201520226617.5, the name is 'a drag reduction tail plate for a pleasure boat', one side of the horizontal section of the tail plate is a line segment, the other side of the horizontal section of the tail plate is a circular minor arc, the minor arc is connected with two ends of the line segment, one end of the longitudinal section of the tail plate is a tip, the other end of the longitudinal section of the tail plate is a line segment, the tip and two ends of the line segment are transited through two symmetrical minor arcs, two ends of the transverse section are tips, and the middle of the transverse section is transited through two symmetrical minor arcs. Although the 'virtual length' is increased and the tail pressure distribution is improved by installing the tail plate, the resistance is reduced, the dihedral angle of the tail plate needs to be closely matched with the navigation state of the ship to obtain the best effect at each navigation speed, and the matching is particularly sensitive at high speed.
Chinese patent application No. 2013101699272. X, entitled "a hydraulic drive type variable area T-shaped anti-rolling hydrofoil", the area and aspect ratio of the T-shaped hydrofoil can be changed, including a column, a horizontal main wing and a retractable aileron. The ailerons are pushed out from the aileron cabin of the horizontal main wing by the hydraulic oil cylinder, so that larger wing area and aspect ratio are obtained, the lift coefficient is improved, and the functions of inhibiting pitching and heaving are enhanced. The said patent has single performance, small application range, and is suitable for specific ship only, and the added equipment has great change range to the ship body or great influence on the original performance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an install controllable formula tail wave suppression board 1 of initiative at fixed duck tongue type hydrofoil 10 of bow installation and stern, restrain boats and ships and rock and reduce the boats and ships resistance, improve boats and ships wave resistance and rapidity.
The utility model provides a following technical scheme:
a high-speed ship additionally provided with a tail surfboard comprises a ship body 13, and is characterized in that a fixed type duck tongue type hydrofoil 10 is arranged on the bow of the ship body 13, the tail surfboard 1 is arranged on the stern, a gyroscope 11 is arranged at the gravity center of the ship, and a controller 12 is arranged close to the gyroscope 11; wherein the content of the first and second substances,
the longitudinal section of the fixed duck tongue type hydrofoil 10 is a streamline section;
the number of the tail wave pressing plates 1 is 2, the tail wave pressing plates 1 are symmetrically arranged on two sides of the center line of the ship body 13, the tail wave pressing plates 1 are connected with the hydraulic cylinder 5, and the hydraulic push rod 7 in the hydraulic cylinder 5 can push the tail wave pressing plates 1 to rotate so as to adjust the angle of the tail wave pressing plates 1;
the controller 12 controls the hydraulic push rod 7 in the hydraulic cylinder 5 to move according to the ship longitudinal rocking angle information, and further adjusts the angle of the tail corrugated board 1 to enable the tail corrugated board to rotate within the range of 0-10 degrees;
the gyroscope 11 is used for monitoring the size of the pitch angle and feeding back monitoring information to the controller 12.
Further, the streamline section of the fixed type duck-tongue type hydrofoil 10 is an NACA type section, the maximum thickness of the NACA type section is located at a position 30% of the chord length of the section from the front edge, and the thickness ratio is 12%; the longitudinal section of the fixed type duck-tongue type hydrofoil 10 is symmetrical to the center line of the hull 13 from left to right, the maximum chord length is 4.5m, and the minimum chord lengths at the left side and the right side are 3.2 m.
Further, the tail corrugated board 1 is in a rectangular parallelepiped shape, and has a longitudinal length of 3.66m, a width of 10m, and a thickness of 0.01 m.
Furthermore, the two ends of the tail corrugated board 1 are hinged to the support frames 3, the support frames 3 are fixedly mounted on the tail sealing board 9, and the support frames 3 are used for stabilizing the tail corrugated board 1.
Further, the hydraulic cylinder 5 is installed on the ship body 13 through the fixed base 4, the hydraulic push rod 7 in the hydraulic cylinder 5 is hinged to the upper end of the right-angle connecting rod 8, the middle portion of the right-angle connecting rod 8 is fixedly installed on the stern sealing plate 9 through the fixed hinge seat 6, the lower end of the right-angle connecting rod 8 is hinged to the upper end of the connecting rod 2, and the lower end of the connecting rod 2 is hinged to the middle portion of the stern pressing plate 1.
Further, the controller 12 is an ARM series single chip microcomputer, and is specifically configured as,
when the ship accelerates, the controller 12 adjusts the angle of the tail pressure wave plate 1 to be within the range of 8 degrees to 10 degrees by controlling the hydraulic push rod 7 in the hydraulic cylinder 5, so that the fluid below the tail part of the ship body 13 is decelerated, the pressure of the tail part is increased, the thrust acting on the rear body is generated, and the rapidity of the ship is improved.
When the ship sails stably, the controller 12 adjusts the angle of the tail wave pressing plate 1 to be within the range of 0-3 degrees by controlling the hydraulic push rod 7 in the hydraulic cylinder 5, and the tail wave pressing plate 1 is equivalent to increase the virtual length of the ship, reduce tail waves and broken waves, reduce the energy consumption of the tail waves, reduce the wave making resistance, reduce the total resistance of the ship and save the power consumption of a main engine.
The utility model discloses a control method of high-speed ship who has increased tail pressure wave board, including following step:
s1, when the ship accelerates, the controller 12 adjusts the angle of the tail surfboard 1 to be within the range of 8-10 degrees by controlling the hydraulic push rod 7 in the hydraulic cylinder 5, so that the fluid below the tail of the ship body 13 is decelerated, the tail pressure is increased, the thrust acting on the rear body is generated, and the rapidity of the ship is improved;
s2, when the ship stably navigates, the controller 12 adjusts the angle of the tail wave pressing plate 1 to be within the range of 0-3 degrees by controlling the hydraulic push rod 7 in the hydraulic cylinder 5, the installation of the tail wave pressing plate 1 is equivalent to the increase of the virtual length of the ship, which is beneficial to reducing wave making resistance and tail waves and broken waves, and the energy consumption of the tail waves is reduced;
s3, when the ship sails in waves, swaying motion can be generated, wherein pitching has a large influence on the performance of the ship, the gyroscope 11 feeds information back to the controller 12 by monitoring the size of a pitching angle, the controller 12 adjusts the angle of the tail pressure wave plate 1 by controlling the hydraulic push rod 7 in the hydraulic cylinder 5, large moment for inhibiting pitching and vertical motion damping are obtained, the swaying amplitude and acceleration of the ship are reduced, and pitching, rolling and heaving of the ship are improved;
s4, the fixed type duck-tongue-shaped hydrofoil 10 is arranged on the bow, vertical motion damping is increased, a moment opposite to the pitching direction is obtained, the lower dihedral angle of the tail corrugated plate 1 is matched with the fixed type duck-tongue-shaped hydrofoil 10 in different sailing states, wave resistance of the ship is improved, and the rapidity of the ship is improved.
Compared with the prior art, the beneficial effects of the utility model are that:
1. by installing the fixed type duck tongue type hydrofoil 10 on the bow, the vertical motion damping is increased, the moment opposite to the pitching direction is obtained, the bow motion amplitude and the bow acceleration are reduced, the pitching, rolling and heaving are inhibited, and the wave resistance performance is improved.
2. The controller 12 adjusts the plate angle of the tail wave pressing 1 by controlling the hydraulic push rod 7 in the hydraulic cylinder 5, changes the flow field at the tail part of the ship, decelerates the fluid below the tail part of the ship body 13, increases the pressure, generates thrust acting on the rear body of the ship, and improves the rapidity of the ship.
3. By installing the tail wave pressing plate 1 at the stern, the virtual length of the ship is increased, tail waves and broken waves are reduced, the energy consumption of the tail waves is reduced, the wave making resistance is reduced, the total resistance of the ship is reduced, and the power consumption of a main engine is saved.
4. The gyroscope 11 monitors the size of the longitudinal rocking angle and feeds information back to the controller 12, the controller 12 has certain flexibility by controlling the hydraulic push rod 7 in the hydraulic cylinder 5 to adjust the angle of the tail pressing plate 1, the heading moment is obtained, the navigation attitude of the ship is adjusted, and the mooring resistance is improved.
5. An actively controllable tail wave suppression plate 1 is arranged at the stern, and the tail wave suppression plate 1 can be matched with a fixed type canard hydrofoil 10 by adjusting the lower dihedral angle of the tail wave suppression plate, so that rapidity and wave resistance can be improved at the same time.
Drawings
FIG. 1 is a top view of an inverted V vessel;
FIG. 2 is a front view of an inverted V vessel;
FIG. 3 is a left side view of the inverted V vessel;
FIG. 4 is an enlarged view of portion I of FIG. 1;
FIG. 5 is an enlarged view of section II of FIG. 1;
in the figure: 1, pressing a corrugated board at the tail; 2, connecting rods; 3, supporting a frame; 4, fixing a base; 5, a hydraulic cylinder; 6 fixing a hinge seat; 7, a hydraulic push rod; 8, a right-angle connecting rod; 9 stern closing plates; 10 duck tongue type hydrofoil; 11 a gyroscope; 12 a controller; 13 hull.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 5, a fixed type duck-tongue type hydrofoil 10 is installed on the bow of a ship and an actively controllable tail wave suppression plate 1 is installed on the stern of the ship to suppress the swaying of the ship and reduce the ship resistance, thereby improving the seakeeping performance and the rapidity of the ship.
The high-speed ship has the following parameters:
as shown in fig. 1, 2 and 3, the high-speed ship is an inverted V-shaped bow, also called an inward-leaning bow or an inverted bow, and is different from a forward-leaning stem of a conventional ship, and the stem of the inverted V-shaped bow inclines towards the inner side of a ship body. The inverted V-shaped bow is sharp and thin in appearance, the bow part is small in water discharge volume, and wave making resistance and pitching motion during navigation in waves are favorably reduced. Research shows that the resistance and the wave resistance increasing of the inverted V-shaped bow in waves are smaller than those of a common ship; and the response amplitude of the pitching motion is obviously smaller than that of the common ship. Meanwhile, the reflection area is small, and a larger vertical surface is not provided, so that the probability of being found by a radar is reduced. Therefore, the inverted V-shaped bow is generally applied to warships, yachts and certain special ships.
As shown in fig. 5, by installing the stern breakwater 1 at the stern, the pressure distribution behind the ship is changed, the ship resistance is reduced, the ship body efficiency is increased, the rapidity is improved, and the stern breakwater 1 can provide a heading moment, adjust the navigation attitude of the ship, and improve the trim. The tail press wave plates 1 are symmetrically arranged on the left side and the right side of the center line of the ship body 13, the two plates are the same and are rectangular plates, the longitudinal length is 3.66m, the width is 10m, and the thickness is 0.01 m.
As shown in figure 4, a fixed type duck-tongue type hydrofoil 10 is arranged on the bow, the longitudinal section of the hydrofoil is of a streamline section NACA type, the maximum thickness of the NACA type section is located at a position 30% of the section chord length from the front edge, the thickness ratio is 12%, the longitudinal section and the center line of a ship body 13 are symmetrical left and right, the maximum chord length is 4.5m, and the shortest chord length on the left side and the right side is 3.2 m.
Wherein: b is wing width, lambda is aspect ratio, h is wing length, ARIs wing area, CyThe coefficient of lift is 2.99 m/s. M measured by ship model testy＝78N·M，Fy0.63N. The lift coefficient C can be obtained according to the finite aspect ratio wing lift line theoretical formula 5yThe area A of the duck tongue type hydrofoil 10 can be finally obtained by the formula as 0.237R＝13.65m2。
As shown in fig. 1, 4 and 5, the high speed boat with additional tail surfboards of the present invention has a fixed type duck tongue type hydrofoil 10 installed on the bow, the longitudinal section of the high speed boat is a streamline section NACA type, the maximum thickness of the NACA type section is located at the position of 30% section chord length from the front edge, the thickness ratio is 12%, the longitudinal section is symmetrical with the center line of the boat body 13 in the left-right direction, the maximum chord length is 4.5m, and the minimum chord length of the left side and the right side is 3.2 m. The tail corrugated board 1 is symmetrically arranged on two sides of the center line of the ship body 13, the two boards are the same and are cuboid boards, the longitudinal length is 3.66m, the width is 10m, the thickness is 0.01m, two ends of the tail corrugated board 1 are hinged with the supporting frame 3, the supporting frame 3 is fixedly installed on the stern sealing board 9, and the supporting frame 3 plays a role in stabilizing the tail corrugated board 1. The hydraulic cylinder 5 is installed on a ship body 13 through a fixed base 4, a hydraulic push rod 7 in the hydraulic cylinder 5 is hinged with the upper end of a right-angle connecting rod 8, the middle part of the right-angle connecting rod 8 is fixedly installed on a stern sealing plate 9 through a fixed hinge seat 6, the lower end of the right-angle connecting rod 8 is hinged with the upper end of a connecting rod 2, the lower end of the connecting rod 2 is hinged with the middle part of a tail pressure wave plate 1, a gyroscope 11 is fixedly installed at the gravity center of a ship through screws, the size of a longitudinal rocking angle is monitored, information is fed back to a controller 12 fixedly installed behind the gyroscope 11, the controller 12 controls the hydraulic push rod 7 in the hydraulic cylinder 5 to move, the angle of the tail pressure wave plate 1 is adjusted, the tail pressure wave plate rotates within the range of.
As shown in fig. 1 and 5, in the embodiment, the controller 12 is an ARM-series single chip, and is specifically configured such that, when the ship accelerates, the controller 12 controls the hydraulic push rod 7 in the hydraulic cylinder 5 to adjust the angle of the tail pressure wave plate 1 to be within a range of 8 ° to 10 °, so that the fluid below the tail of the ship body 13 is decelerated, the tail pressure is increased, thrust acting on the rear body is generated, and the rapidity of the ship is improved.
When the ship sails stably, the controller 12 adjusts the angle of the tail wave pressing plate 1 to be within the range of 0-3 degrees by controlling the hydraulic push rod 7 in the hydraulic cylinder 5, and the tail wave pressing plate 1 is equivalent to increase the virtual length of the ship, reduce tail waves and broken waves, reduce the energy consumption of the tail waves, reduce the wave making resistance, reduce the total resistance of the ship and save the power consumption of a main engine.
The utility model discloses a control method of high-speed ship of tail pressure wave board has increased, the technical scheme of adoption has following step:
1. when the ship accelerates, the controller 12 adjusts the angle of the tail pressure wave plate 1 to be within the range of 8 degrees to 10 degrees by controlling the hydraulic push rod 7 in the hydraulic cylinder 5, so that the fluid below the tail part of the ship body 13 is decelerated, the pressure of the tail part is increased, the thrust acting on the rear body is generated, and the rapidity of the ship is improved.
2. When the ship sails stably, the controller 12 adjusts the angle of the tail wave pressing plate 1 to be within the range of 0-3 degrees by controlling the hydraulic push rod 7 in the hydraulic cylinder 5, the installation of the tail wave pressing plate 1 is equivalent to the increase of the virtual length of the ship, the wave making resistance is favorably reduced, tail waves and broken waves are reduced, and the energy consumption of the tail waves is reduced.
3. When the ship sails in waves, swaying motion can be generated, wherein pitching has great influence on the performance of the ship, the gyroscope 11 monitors the size of the pitching angle of the ship and feeds information back to the controller 12, the controller 12 adjusts the angle of the tail pressure wave plate 1 by controlling the hydraulic push rod 7 in the hydraulic cylinder 5, so that the tail pressure wave plate obtains great moment for inhibiting pitching and increases vertical motion damping, the action of the tail pressure wave plate is the same as that of the fixed duck tongue type hydrofoil 1, the vertical motion acceleration is reduced, the pitching, the rolling and the heaving of the ship are inhibited, and the wave resistance of the ship is improved.
4. The fixed type duck tongue type hydrofoil 10 is arranged on the bow, so that the vertical motion damping is increased, the moment opposite to the pitching direction is obtained, and the pitching, rolling and heaving are restrained. The lower dihedral of the tail wave pressing plate 1 is matched with the fixed type canard hydrofoil 10 in different sailing states, so that the wave resistance of the ship is improved, and the rapidity of the ship is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A high-speed ship additionally provided with a tail surfboard comprises a ship body (13), and is characterized in that a fixed type duck tongue type hydrofoil (10) is arranged on the bow of the ship body (13), the tail surfboard (1) is arranged on the stern, a gyroscope (11) is arranged at the gravity center of the ship, and a controller (12) is arranged close to the gyroscope (11); wherein the content of the first and second substances,
the longitudinal section of the fixed type duck tongue shaped hydrofoil (10) is a streamline section;
the number of the tail wave pressing plates (1) is 2, the tail wave pressing plates (1) are symmetrically arranged on two sides of the center line of the ship body (13), the tail wave pressing plates (1) are connected with the hydraulic cylinder (5), and the hydraulic push rod (7) in the hydraulic cylinder (5) can push the tail wave pressing plates (1) to rotate so as to adjust the angles of the tail wave pressing plates (1);
the controller (12) controls a hydraulic push rod (7) in the hydraulic cylinder (5) to move according to the ship longitudinal rocking angle information, so that the angle of the tail wave pressing plate (1) is adjusted to rotate within the range of 0-10 degrees;
the gyroscope (11) is used for monitoring the size of the pitch angle and feeding monitoring information back to the controller (12).
2. The high-speed ship added with the tail press board according to claim 1, wherein the streamline section of the fixed type canard hydrofoil (10) is an NACA type section, the maximum thickness of the NACA type section is located at 30% of the chord length of the section from the front edge, and the thickness ratio is 12%; the longitudinal section of the fixed type duck-tongue type hydrofoil (10) is symmetrical to the center line of the hull (13) from left to right, the chord length at the maximum position is 4.5m, and the chord length at the shortest positions at the left side and the right side is 3.2 m.
3. The high-speed ship added with the tail corrugated board as claimed in claim 1, wherein the tail corrugated board (1) has a shape of a rectangular parallelepiped, a longitudinal length of 3.66m, a width of 10m, and a thickness of 0.01 m.
4. The high-speed ship added with the tail corrugated board as claimed in claim 1, wherein both ends of the tail corrugated board (1) are hinged to the supporting frames (3), the supporting frames (3) are fixedly installed on the stern sealing board (9), and the supporting frames (3) are used for stabilizing the tail corrugated board (1).
5. The high-speed ship with the added tail pressure wave plate as claimed in claim 1, wherein the hydraulic cylinder (5) is mounted on the hull (13) through a fixed base (4), a hydraulic push rod (7) in the hydraulic cylinder (5) is hinged with the upper end of a right-angle connecting rod (8), the middle part of the right-angle connecting rod (8) is fixedly mounted on the stern sealing plate (9) through a fixed hinge seat (6), the lower end of the right-angle connecting rod (8) is hinged with the upper end of a connecting rod (2), and the lower end of the connecting rod (2) is hinged with the middle part of the tail pressure wave plate (1).
6. The high-speed ship with the added tail pressure wave board as claimed in claim 1, wherein the controller (12) is an ARM series single chip microcomputer, and is specifically configured as,
when the ship accelerates to navigate, the controller (12) adjusts the angle of the tail pressure wave plate (1) to be within the range of 8-10 degrees by controlling the hydraulic push rod (7) in the hydraulic cylinder (5), so that the fluid below the tail of the ship body (13) is decelerated, the tail pressure is increased, thrust acting on the rear body is generated, and the rapidity of the ship is improved;
when the ship sails stably, the controller (12) adjusts the angle of the tail wave pressing plate (1) to be within the range of 0-3 degrees by controlling the hydraulic push rod (7) in the hydraulic cylinder (5), the tail wave pressing plate (1) is equivalent to increasing the virtual length of the ship, reducing tail waves and broken waves, reducing the energy consumption of the tail waves and the wave making resistance, reducing the total resistance of the ship and saving the power consumption of a main engine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920518576.5U CN210011844U (en) | 2019-04-17 | 2019-04-17 | High-speed ship with additional tail wave pressing plate |
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| CN201920518576.5U CN210011844U (en) | 2019-04-17 | 2019-04-17 | High-speed ship with additional tail wave pressing plate |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911100A (en) * | 2019-04-17 | 2019-06-21 | 江苏科技大学 | A kind of high-speed craft having additional spin characteristics and its control method |
| CN111332423A (en) * | 2020-03-24 | 2020-06-26 | 上海大学 | Double-shaft transmission system for realizing multiple motion modes of stern wing of water surface robot |
| CN111332424A (en) * | 2020-03-24 | 2020-06-26 | 上海大学 | Water surface robot full-navigational-speed stabilization and stabilization reduction method in lift-drag combined mode |
| CN111332422A (en) * | 2020-03-24 | 2020-06-26 | 上海大学 | Differential wave pressing plate mechanism for realizing high-speed stability augmentation of unmanned ship |
| CN111332425A (en) * | 2020-03-16 | 2020-06-26 | 广东民华船艇科技有限公司 | Marine pressurized-water board automatically regulated's device |
| CN113044156A (en) * | 2021-03-30 | 2021-06-29 | 四川摩比斯新能源水翼船有限责任公司 | Method and device for controlling inclination angle of hydrofoil |
| CN115871864A (en) * | 2022-12-07 | 2023-03-31 | 华南理工大学 | Stern drag reduction and pitching device |
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2019
- 2019-04-17 CN CN201920518576.5U patent/CN210011844U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911100A (en) * | 2019-04-17 | 2019-06-21 | 江苏科技大学 | A kind of high-speed craft having additional spin characteristics and its control method |
| CN111332425A (en) * | 2020-03-16 | 2020-06-26 | 广东民华船艇科技有限公司 | Marine pressurized-water board automatically regulated's device |
| CN111332423A (en) * | 2020-03-24 | 2020-06-26 | 上海大学 | Double-shaft transmission system for realizing multiple motion modes of stern wing of water surface robot |
| CN111332424A (en) * | 2020-03-24 | 2020-06-26 | 上海大学 | Water surface robot full-navigational-speed stabilization and stabilization reduction method in lift-drag combined mode |
| CN111332422A (en) * | 2020-03-24 | 2020-06-26 | 上海大学 | Differential wave pressing plate mechanism for realizing high-speed stability augmentation of unmanned ship |
| CN113044156A (en) * | 2021-03-30 | 2021-06-29 | 四川摩比斯新能源水翼船有限责任公司 | Method and device for controlling inclination angle of hydrofoil |
| CN115871864A (en) * | 2022-12-07 | 2023-03-31 | 华南理工大学 | Stern drag reduction and pitching device |
| CN115871864B (en) * | 2022-12-07 | 2024-04-19 | 华南理工大学 | Stern drag reduction and pitching reduction device |
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Granted publication date: 20200204 |