CN109269788B - Integrative ship propulsion analogue means - Google Patents
Integrative ship propulsion analogue means Download PDFInfo
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- CN109269788B CN109269788B CN201811275745.3A CN201811275745A CN109269788B CN 109269788 B CN109269788 B CN 109269788B CN 201811275745 A CN201811275745 A CN 201811275745A CN 109269788 B CN109269788 B CN 109269788B
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- 230000033001 locomotion Effects 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 18
- 238000004088 simulation Methods 0.000 claims abstract description 16
- 230000000295 complement effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000001141 propulsive effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention relates to an integrated ship propulsion simulation device, and belongs to the technical field of load simulation experiment devices. The simulation device mainly comprises a shell, a rotary servo motor, a driving wheel, a driven wheel, a transmission sphere, a piston and an output shaft, wherein the rotary servo motor, the driving wheel, the driven wheel, the transmission sphere and the piston are arranged in the shell, the rotary servo motor is connected with the driving wheel, the driving wheel is matched with the driven wheel through the transmission sphere, the driven wheel, the shell and the piston form a hydraulic oil cavity, and the output shaft is connected with the piston; the rotary servo motor drives the driving wheel to do linear or rotary motion, constant force or pulsating force in propelling force is simulated, and as the rotary motion of the driven wheel in the shell is limited, the driving wheel drives the driven wheel to do reciprocating linear motion through the transmission sphere, hydraulic oil in the hydraulic oil cavity is compressed, and exciting force is output through the piston and the output shaft.
Description
Technical Field
The invention relates to an integrated ship propulsion simulation device, and belongs to the technical field of load simulation experiment devices.
Background
The ship propeller is a power conversion device of a ship. By utilizing the propelling force generated by the propeller, the ship can overcome the resistance of sailing in water and realize acceleration and deceleration. The most common propeller is a propeller, which is rotated at high speed in water, so that it is subjected to the reaction force of the water, which is applied to the shaft and transmitted to the hull to propel the ship. This propulsion force is generally fluctuating due to the action of the water flow, which contains two components: constant propulsion force and exciting force generated after fluid-solid coupling, and the frequency of the exciting force is approximately positively correlated with the rotating speed of the propeller.
It can be seen that the propeller shaft connected to the propeller on the vessel and the shafting means behind it are subjected to the reaction of fluctuating propulsive forces. Therefore, when performing a related experiment on a ship shaft or shafting, such a propulsive force needs to be applied to a simulation thereof to verify the related performance of the shaft and shafting or obtain corresponding experimental data. The common means is that a constant force part and a pulsating force part in the propelling force are respectively simulated by two sets of power devices (such as electric cylinders), and the scheme needs to additionally design a tool structure, so that the installation difficulty is high; along with the development of electromagnetic valve technology, a hydraulic cylinder is also provided with a high-speed electromagnetic valve group to realize the function of simulating ship propulsion by continuously changing the pressure in the hydraulic cylinder, but the scheme has higher requirement on the switching frequency of the valve, and in order to accurately control the output force, the equipment also needs to be provided with a pressure sensor, so that on one hand, the cost of the equipment is increased, and meanwhile, the reliability is lower.
Disclosure of Invention
Aiming at the defects of the existing power device for simulating the ship propulsion, the invention provides the integrated ship propulsion simulation device which adopts the rotary servo motor as a single power source, can provide exciting force with variable frequency, and can selectively drive the driving wheel to rotate or linearly move under different states of the driving wheel so as to simulate a constant force part and a pulse force part in the ship propulsion.
The aim of the invention is achieved by the following technical scheme.
An integrated ship propulsion simulation device comprises a shell, a rotary servo motor, a driving wheel, a driven wheel, a transmission sphere, a piston, an output shaft, a spring and an output shaft end cover;
the inside of the shell is a convex cavity, a spline groove and a smooth groove are sequentially processed on the inner wall of one end of the small-diameter cavity, and the inner wall from the smooth groove to the other end of the small-diameter cavity is designed into a non-rotationally symmetrical structure (such as a rectangle, an ellipse and the like); rectangular splines matched with the spline grooves are processed on the driving wheel;
the rotary servo motor is arranged in a large-diameter cavity in the shell, the driving wheel, the driven wheel, the transmission sphere and the piston are arranged in a small-diameter cavity in the shell, the rotary servo motor is connected with the driving wheel, the driving wheel is matched with the driven wheel through the transmission sphere, the driving wheel is positioned in a spline groove or a smooth groove on the inner wall of the small-diameter cavity of the shell, the driven wheel and the piston are respectively in sliding fit with the inner wall of the small-diameter cavity of the shell, and the driven wheel, the inner wall of the small-diameter cavity of the shell and the piston enclose a hydraulic oil cavity; the output shaft end cover is arranged on the end face of one end of the small-diameter cavity of the shell, the output shaft penetrates through the end face of one end of the small-diameter cavity of the shell and the output shaft end cover and is supported on the end face of one end of the small-diameter cavity of the shell through a sliding bearing, one end of the output shaft is connected with the piston, and the other end of the output shaft is positioned outside the shell; one end of the spring is abutted against the inner surface of the end face of one end of the small-diameter cavity of the shell, and the other end of the spring is abutted against the end face of the output shaft on the piston.
When the driving wheel is positioned in the spline groove on the inner wall of the small-diameter cavity of the shell, rectangular splines on the driving wheel are matched with the spline groove, the rotation movement is limited, and the rotation movement of the rotary servo motor is converted into the linear movement of the driving wheel; when the driving wheel is positioned in the smooth groove on the inner wall of the small-diameter cavity of the shell, the linear motion is limited by a boss formed between the smooth groove and the inner wall of the small-diameter cavity of the shell, and the rotary servo motor drives the driving wheel to do rotary motion through rotation. The inner wall of the small-diameter cavity of the shell of the part matched with the driven wheel and the piston is in a non-rotationally symmetrical contour, so that the rotation movement of the driven wheel and the piston is limited and only can do reciprocating rectilinear movement. Therefore, when the rotation motion or the linear motion of the driving wheel acts on the driven wheel through the transmission sphere, the driven wheel is driven to do reciprocating linear motion, hydraulic oil in the hydraulic oil cavity is compressed, and then exciting force is output through the piston and the output shaft.
Further, the driving wheel and the driven wheel are respectively provided with a space groove on the end face contacted with the transmission sphere, so that the transmission sphere can freely roll in the space grooves, and the space grooves on the driving wheel and the space grooves on the driven wheel are complementary in the normal direction of the end face. And the space grooves on the end surfaces of the driving wheel and the driven wheel can be designed according to the requirement, so that the rotation of the motor rotor for one circle can be converted into the reciprocating linear motion of the driven wheel for a plurality of times.
Further, the rotary servo motor comprises a motor shaft, a motor shaft end cover, a first support sleeve, a second support sleeve, a motor rotor and a motor stator;
center holes are respectively processed on the two ends of the large-diameter cavity of the shell and the shaft end cover of the motor; threads are respectively processed on the motor shaft and the motor rotor;
the first support sleeve is arranged in a central hole at one end of the large-diameter cavity of the shell, the motor shaft end cover is connected with one end of the first support sleeve positioned outside the shell, and the second support sleeve is arranged in a central hole at the other end of the large-diameter cavity of the shell; the motor shaft penetrates through the first support sleeve and the second support sleeve and is supported on the first support sleeve and the second support sleeve through sliding bearings respectively, one end of the motor shaft is in clearance fit with a central hole in a shaft end cover of the motor, and the other end of the motor shaft is connected with the driving wheel; the motor rotor is in threaded connection with the motor shaft, and the motor stator is arranged on the inner wall of the large-diameter cavity of the shell.
Advantageous effects
(1) The rotary servo motor is adopted as a single power source, and can selectively drive the driving wheel to rotate or linearly move under different states of the driving wheel, so that a constant force part and a pulsating force part in the ship propulsion can be simulated, and the reliability is high.
(2) The amplitude of the output exciting force can be adjusted by changing the volume of the initial hydraulic oil in the hydraulic oil cavity; and the rotary servo motor is adopted to control the piston movement of the hydraulic oil cavity, so that the control is accurate and the response is quick.
(3) The end face space grooves of the driving wheel and the driven wheel can be designed according to the requirement, so that the rotation of the motor rotor for one circle can be converted into the reciprocating linear motion of the driven wheel for a plurality of times, and the output exciting force has a wide exciting frequency adjusting range in cooperation with the speed regulation of the rotary servo motor.
Drawings
Fig. 1 is a schematic structural view of an integrated ship propulsion simulation device according to the present invention.
Wherein, 1-motor shaft, 2-motor shaft end cover, 3-first support sleeve, 4-first positioning sleeve, 5-first end cover, 6-second positioning sleeve, 7-first side shell, 8-motor rotor, 9-motor stator, 10-third positioning sleeve, 11-second support sleeve, 12-fourth positioning sleeve, 13-second end cover, 14-second side shell, 14-1-spline groove, 14-2-smooth groove, 15-driving wheel, 16-driven wheel, 17-driving ball, 18-hydraulic oil cavity, 19-piston, 20-spring, 21-third end cover, 22-output shaft end cover, 23-output shaft.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
Example 1
An integrated ship propulsion simulation device comprises a first end cover 5, a first side shell 7, a second end cover 13, a second side shell 14, a third end cover 21, a rotary servo motor, a driving wheel 15, a driven wheel 16, a transmission sphere 17, a piston 19, an output shaft 23, a spring 20 and an output shaft end cover 22; the rotary servo motor comprises a motor shaft 1, a motor shaft end cover 2, a first support sleeve 3, a second support sleeve 11, a motor rotor 8 and a motor stator 9;
center holes are respectively processed on the first end cover 5, the motor shaft end cover 2, the second end cover 13, the third end cover 21 and the output shaft end cover 22;
threads are respectively machined on the motor shaft 1 and the motor rotor 8;
the driving wheel 15 and the driven wheel 16 are respectively provided with a space groove on the end surface contacted with the transmission sphere 17, the depth of the space grooves is changed along the circumferential direction, the transmission sphere 17 can freely roll in the space grooves, and the space grooves on the driving wheel 15 and the space grooves on the driven wheel 16 are complemented in the normal direction of the end surface; the space grooves on the end surfaces of the driving wheel 15 and the driven wheel 16 can be designed according to the requirement, so that the rotation of the motor rotor 8 for one circle can be converted into a plurality of reciprocating linear movements of the driven wheel 16;
the inner surface of one end of the second side shell 14 is sequentially provided with a spline groove 14-1 and a smooth groove 14-2, and the inner surfaces from the smooth groove 14-2 to the other end of the second side shell 14 are designed to be non-rotationally symmetrical profiles (such as rectangular, elliptic and the like); rectangular splines matched with the spline grooves are processed on the driving wheel 15;
as shown in fig. 1, the assembly relationship between the components in the illustrated simulation apparatus is as follows: the first end cover 5, the first side shell 7, the second end cover 13, the second side shell 14 and the third end cover 21 are sequentially connected to form a shell of the simulation device, and a convex cavity is formed in the shell; the rotary servo motor is arranged in a large-diameter cavity in the shell, wherein a first support sleeve 3 is arranged in a central hole of a first end cover 5, a motor shaft end cover 2 is connected with one end of the first support sleeve 3 positioned outside the shell, a second support sleeve 11 is arranged in a central hole of a second end cover 13, a motor shaft 1 passes through the first support sleeve 3 and the second support sleeve 11 and is respectively supported on the first support sleeve 3 and the second support sleeve 11 through sliding bearings, one end of the motor shaft 1 is in clearance fit with the central hole in the motor shaft end cover 2, the other end of the motor shaft 1 is connected with a driving wheel 15, a motor rotor 8 is in threaded connection with the motor shaft 1 and positions the motor rotor 8 through a first positioning sleeve 4 and a third positioning sleeve 10 which are arranged at two ends of the motor rotor 8, a motor stator 9 is arranged on a first side shell 7, and positions the motor stator 9 through a second positioning sleeve 6 and a fourth positioning sleeve 12, and the motor rotor 8 is in clearance fit with the motor stator 9; the driving wheel 15, the driven wheel 16, the transmission sphere 17 and the piston 19 are arranged in a small-diameter cavity in the shell, the driving wheel 15 is positioned in a spline groove 14-1 or a smooth groove 14-2 on the second side shell 14, the driving wheel 15 is matched with the driven wheel 16 through the transmission sphere 17, the driven wheel 16 and the piston 19 are respectively in sliding fit with the second side shell 14, and the driven wheel 16, the second side shell 14 and the piston 19 enclose a hydraulic oil cavity 18; the output shaft end cover 22 is arranged on the third end cover 21, the output shaft 23 passes through the central hole of the third end cover 21 and the central hole of the output shaft end cover 22 and is supported on the central hole of the third end cover 21 through a sliding bearing, one end of the output shaft 23 is connected with the piston 19, and the other end is positioned outside the shell; one end of the spring 20 abuts against the inner surface of the third end cap 21, and the other end abuts against the end face of the output shaft 23 on the piston 19.
The operation of the integrated ship propulsion simulation device is divided into two stages: (1) In the first stage, when the driving wheel 15 is positioned in the spline groove 14-1 on the second side shell 14, rectangular splines on the driving wheel 15 are matched with the spline groove 14-1, the rotation motion is limited, the rotation motion of the motor rotor 8 is converted into the linear motion of the motor shaft 1 and the driving wheel 15, the driven wheel 16 is driven to do reciprocating linear motion, hydraulic oil in the hydraulic oil cavity 18 is compressed, and then exciting force is output through the piston 19 and the output shaft 23, and a constant force part in ship propelling force is provided in a simulation mode; (2) In the second stage, when the driving wheel 15 is located in the smooth groove 14-2 on the second side shell 14, the linear motion is limited by a boss formed between the smooth groove 14-2 and the second side shell 14, the rotation of the motor rotor 8 drives the motor shaft 1 and the driving wheel 15 to perform rotary motion, the rotary motion of the driven wheel 16 is limited by the second side shell 14, the rotary motion of the driving wheel 15 acts on the driven wheel 16 through the transmission sphere 17, the driven wheel 16 is driven to perform reciprocating linear motion, hydraulic oil in the hydraulic oil cavity 18 is compressed, and then exciting force is output through the piston 19 and the output shaft 23, and at the moment, pulse power parts in ship propelling force are provided in a simulation mode. Since the portion of the second side case 14, which cooperates with the driven wheel 16 and the piston 19, has a non-rotationally symmetrical profile, the rotational movement of the driven wheel 16 and the piston 19 is restricted and only a reciprocating linear movement is possible, so that the rotational movement or linear movement of the driving wheel 15 drives the driven wheel 16 to reciprocate in a linear movement when acting on the driven wheel 16 through the transmission sphere 17.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An integrative ship propulsion analogue means, its characterized in that: the simulation device comprises a shell, a rotary servo motor, a driving wheel (15), a driven wheel (16), a transmission sphere (17), a piston (19), an output shaft (23), a spring (20) and an output shaft end cover (22);
the inside of the shell is a convex cavity, a spline groove (14-1) and a smooth groove (14-2) are sequentially processed on the inner wall of one end of the small-diameter cavity, and the inner wall from the smooth groove (14-2) to the other end of the small-diameter cavity is designed into a non-rotationally symmetrical structure; rectangular splines are processed on the driving wheel (15);
the rotary servo motor is arranged in a large-diameter cavity in the shell, the driving wheel (15), the driven wheel (16), the transmission sphere (17) and the piston (19) are arranged in a small-diameter cavity in the shell, the rotary servo motor is connected with the driving wheel (15), the driving wheel (15) is matched with the driven wheel (16) through the transmission sphere (17), the driving wheel (15) is positioned in a spline groove (14-1) or a smooth groove (14-2) on the inner wall of the small-diameter cavity of the shell, the driven wheel (16) and the piston (19) are respectively in sliding fit with the inner wall of the small-diameter cavity of the shell, and a hydraulic oil cavity (18) is formed by the driven wheel (16), the inner wall of the small-diameter cavity of the shell and the piston (19) in an enclosing mode; the output shaft end cover (22) is arranged on the end face of one end of the small-diameter cavity of the shell, the output shaft (23) penetrates through the end face of one end of the small-diameter cavity of the shell and the output shaft end cover (22) and is supported on the end face of one end of the small-diameter cavity of the shell through a sliding bearing, one end of the output shaft (23) is connected with the piston (19), and the other end of the output shaft is positioned outside the shell; one end of the spring (20) is abutted against the inner surface of the end face of one end of the small-diameter cavity of the shell, and the other end of the spring is abutted against the end face of an output shaft (23) positioned on the piston (19);
when the driving wheel (15) is positioned in the spline groove (14-1) on the inner wall of the small-diameter cavity of the shell, rectangular splines on the driving wheel (15) are matched with the spline groove (14-1), the rotation movement is limited, and the rotation movement of the rotation servo motor is converted into linear movement of the driving wheel (15); when the driving wheel (15) is positioned in the smooth groove (14-2) on the inner wall of the small-diameter cavity of the shell, the linear motion is limited by a boss formed between the smooth groove (14-2) and the inner wall of the small-diameter cavity of the shell, and the rotary servo motor drives the driving wheel (15) to perform rotary motion through rotation; the inner wall of the small-diameter cavity of the shell of the part matched with the driven wheel (16) and the piston (19) is in a non-rotationally symmetrical outline, so that the rotation movement of the driven wheel (16) and the piston (19) is limited and only can do reciprocating rectilinear movement; therefore, when the rotation motion or the linear motion of the driving wheel (15) acts on the driven wheel (16) through the transmission sphere (17), the driven wheel (16) is driven to do reciprocating linear motion, hydraulic oil in the hydraulic oil cavity (18) is compressed, and then exciting force is output through the piston (19) and the output shaft (23).
2. An integrated marine propulsion simulator as claimed in claim 1 wherein: the end surfaces of the driving wheel (15) and the driven wheel (16) which are contacted with the transmission sphere (17) are respectively provided with a space groove, and the space grooves on the driving wheel (15) and the space grooves on the driven wheel (16) are complementary in the normal direction of the end surfaces.
3. An integrated marine propulsion simulator as claimed in claim 1 wherein: the rotary servo motor comprises a motor shaft (1), a motor shaft end cover (2), a first support sleeve (3), a second support sleeve (11), a motor rotor (8) and a motor stator (9);
center holes are respectively processed on two ends of the large-diameter cavity of the shell and the motor shaft end cover (2); threads are respectively machined on the motor shaft (1) and the motor rotor (8);
the first support sleeve (3) is arranged in a central hole at one end of the large-diameter cavity of the shell, the motor shaft end cover (2) is connected with one end of the first support sleeve (3) positioned outside the shell, and the second support sleeve (11) is arranged in a central hole at the other end of the large-diameter cavity of the shell; the motor shaft (1) passes through the first support sleeve (3) and the second support sleeve (11) and is respectively supported on the first support sleeve (3) and the second support sleeve (11) through sliding bearings, one end of the motor shaft (1) is in clearance fit with a central hole on the motor shaft end cover (2), and the other end of the motor shaft (1) is connected with the driving wheel (15); the motor rotor (8) is in threaded connection with the motor shaft (1), and the motor stator (9) is arranged on the inner wall of the large-diameter cavity of the shell.
4. An integrated marine propulsion simulator as claimed in claim 1 wherein: the inner wall of one end of the small-diameter cavity of the shell is sequentially provided with a spline groove (14-1) and a smooth groove (14-2), and the inner wall from the smooth groove (14-2) to the other end of the small-diameter cavity of the shell is designed to be rectangular or elliptical.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275745.3A CN109269788B (en) | 2018-10-30 | 2018-10-30 | Integrative ship propulsion analogue means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275745.3A CN109269788B (en) | 2018-10-30 | 2018-10-30 | Integrative ship propulsion analogue means |
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| CN109269788A CN109269788A (en) | 2019-01-25 |
| CN109269788B true CN109269788B (en) | 2023-11-17 |
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| CN201811275745.3A Active CN109269788B (en) | 2018-10-30 | 2018-10-30 | Integrative ship propulsion analogue means |
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| CN111964735B (en) * | 2020-09-30 | 2022-05-17 | 中国船舶科学研究中心 | Dynamic characteristic test system for ship propulsion shafting |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980054684A (en) * | 1996-12-27 | 1998-09-25 | 추호석 | Deceleration reversing device of ship |
| CN101271052A (en) * | 2008-04-08 | 2008-09-24 | 广西工学院 | Flat plate fatigue bending machine |
| CN202216820U (en) * | 2011-07-19 | 2012-05-09 | 华中科技大学 | Simulation test stand of longitudinal vibration of marine propulsion shafting |
| KR20120006426U (en) * | 2011-03-09 | 2012-09-19 | 현대중공업 주식회사 | Controllable type jig for load test over head crane |
| CN104697777A (en) * | 2015-03-20 | 2015-06-10 | 中船黄埔文冲船舶有限公司 | Dead load testing device and dead load testing method for large anchor handling lift winch |
| CN107152994A (en) * | 2017-06-05 | 2017-09-12 | 武汉理工大学 | Torsional vibration of shafting signal imitation experimental stand system and its application |
-
2018
- 2018-10-30 CN CN201811275745.3A patent/CN109269788B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980054684A (en) * | 1996-12-27 | 1998-09-25 | 추호석 | Deceleration reversing device of ship |
| CN101271052A (en) * | 2008-04-08 | 2008-09-24 | 广西工学院 | Flat plate fatigue bending machine |
| KR20120006426U (en) * | 2011-03-09 | 2012-09-19 | 현대중공업 주식회사 | Controllable type jig for load test over head crane |
| CN202216820U (en) * | 2011-07-19 | 2012-05-09 | 华中科技大学 | Simulation test stand of longitudinal vibration of marine propulsion shafting |
| CN104697777A (en) * | 2015-03-20 | 2015-06-10 | 中船黄埔文冲船舶有限公司 | Dead load testing device and dead load testing method for large anchor handling lift winch |
| CN107152994A (en) * | 2017-06-05 | 2017-09-12 | 武汉理工大学 | Torsional vibration of shafting signal imitation experimental stand system and its application |
Non-Patent Citations (2)
| Title |
|---|
| Ship tracking control based on linear active disturbance rejection control;Ronghui Li;2012 Third International Conference on Intelligent Control and Information Processing (ICICIP 2012);全文 * |
| 基于希尔波特一黄变换的海洋平台 结构模态参数识别;刘俊斐;中国海洋平台;全文 * |
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