Ship flexible pipe regulating system, cooling system, regulating method and storage medium

Abstract

The application provides a ship flexible joint pipe regulation system, a cooling system, a regulation method and a storage medium, wherein the system comprises: a flexible joint pipe; a normal stress sensor and a vibration acceleration sensor arranged at the rear end of the flexible joint pipe; a driving motor for adjusting the axial displacement of the flexible joint pipe under the action of a controller; and a controller for acquiring the normal stress and vibration acceleration collected by the normal stress sensor and the vibration acceleration sensor under each axial displacement, determining a target axial displacement from the axial displacements based on the normal stress and vibration acceleration under the axial displacements, and controlling the driving motor to adjust the axial displacement of the flexible joint pipe to the target axial displacement. The system, method and storage medium provided by the application can ensure that the flexible joint pipe is always in a state of synergistic improvement of displacement compensation capability and vibration isolation and noise reduction capability in various scenes, thereby supporting the synergistic development of safety and quietness of the ship.

Description

Technical Field

[0001] This invention relates to the field of marine technology, and in particular to a flexible control system, cooling system, control method, and storage medium for ships. Background Technology

[0002] With the development of larger, faster, and greener ships, the requirements for ship safety and quietness are also increasing. Vibration and noise, as well as safety and reliability, have become important indicators that cannot be ignored in ship design and manufacturing.

[0003] The marine cooling system is a key auxiliary system used to draw seawater to cool the ship's power plant. Figure 1 This is a structural diagram of a ship's sea-ventilated cooling system in existing technology, such as... Figure 1 As shown, the ship's sea-venting cooling system mainly includes a seawater pump 14, pipes 16, flexible connectors 13, inlet 11, outlet 17, etc. Among them, the flexible connector 13 is a key component of the ship's sea-venting cooling system and is often used at the connection between the sea-venting pipes 16 and the hull 10.

[0004] Flexible nozzles serve a dual purpose in marine sea-ventilated cooling systems. First, they compensate for axial displacement along the piping direction caused by hull vibration and impact, preventing it from exceeding permissible compensation limits. This avoids safety issues such as cracks at the pipe-hull connection and failure of the power seawater cooling system. Second, flexible nozzles isolate and attenuate vibrations and noise from the piping structure, suppressing the propagation of sea-ventilated cooling system vibrations along the piping towards the ocean. This helps prevent marine noise pollution and supports the goal of quieter ship design.

[0005] Therefore, flexible nozzles are directly related to the safety and quietness of ships. However, as ship navigation conditions become increasingly complex, flexible nozzles are gradually becoming insufficient to meet the multi-condition operation requirements of ships. How to ensure that flexible nozzles can balance displacement compensation and vibration isolation capabilities under complex operating conditions remains an urgent problem to be solved in this field. Summary of the Invention

[0006] This invention provides a flexible nozzle control system, cooling system, control method, and storage medium for ships, in order to solve the shortcomings of existing flexible nozzles in meeting the needs of ships under complex multi-condition scenarios.

[0007] This invention provides a ship flexible control system, comprising:

[0008] Flexible take-off;

[0009] A normal stress sensor and a vibration acceleration sensor are installed at the rear end of the flexible tube;

[0010] A drive motor is used to adjust the axial displacement of the flexible connector under the action of the controller;

[0011] The controller is used to acquire the normal stress and vibration acceleration collected by the normal stress sensor and the vibration acceleration sensor under each axial displacement, determine the target axial displacement from the axial displacement based on the normal stress and vibration acceleration under each axial displacement, and control the drive motor to adjust the axial displacement of the flexible pipe to the target axial displacement.

[0012] According to the present invention, a ship flexible control system includes a controller comprising:

[0013] The gear adjustment unit is used to control the drive motor to adjust the axial displacement of the flexible connector to each candidate axial displacement.

[0014] The data receiving unit is used to acquire the normal stress and vibration acceleration collected by the normal stress sensor and the vibration acceleration sensor under each candidate axial displacement;

[0015] The gear position determination unit is used to determine the target axial displacement from the candidate axial displacements based on the normal stress and vibration acceleration under each candidate axial displacement;

[0016] The gear control unit is used to control the drive motor to adjust the axial displacement of the flexible connector to the target axial displacement.

[0017] According to the present invention, a ship flexible control system is provided, wherein the gear adjustment unit is specifically used for:

[0018] Based on the ship's speed, multiple candidate axial displacements are determined, and the drive motor is controlled to adjust the axial displacement of the flexible connector to each candidate axial displacement one by one.

[0019] According to the present invention, a ship flexible control system includes a gear position determination unit comprising:

[0020] The performance evaluation subunit is used to determine the performance evaluation value of each candidate axial displacement based on the normal stress and vibration acceleration under each candidate axial displacement.

[0021] The target determination subunit is used to determine the target axial displacement from the candidate axial displacements based on the performance evaluation values ​​of the candidate axial displacements.

[0022] According to the present invention, a ship flexible control system is provided, wherein the performance evaluation subunit is specifically used for:

[0023] The normal stress and vibration acceleration under each candidate axial displacement are normalized to obtain the normalized normal stress and normalized acceleration under each candidate axial displacement.

[0024] The normalized normal stress and normalized acceleration under each candidate axial displacement are weighted and summed to obtain the performance evaluation value of each candidate axial displacement.

[0025] A flexible control system for ships according to the present invention further includes:

[0026] First limiting plate and second limiting plate;

[0027] The first limiting plate and the second limiting plate are respectively fixed to both ends of the flexible pipe, and the drive motor is disposed between the first limiting plate and the second limiting plate;

[0028] The drive motor is specifically used to adjust the axial displacement of the flexible pipe through the first limiting plate and the second limiting plate under the action of the controller.

[0029] A flexible control system for ships according to the present invention further includes:

[0030] The data acquisition unit is used to condition the electrical signal output by the normal stress sensor and the electrical signal output by the vibration acceleration sensor, and transmit the conditioned electrical signal as the normal stress and the vibration acceleration to the controller.

[0031] The present invention also provides a marine cooling system, including the ship flexible control system described above.

[0032] The present invention also provides a method for regulating flexible control of a ship, comprising:

[0033] The axial displacement of the flexible hose is adjusted based on the drive motor, and the normal stress and vibration acceleration under each axial displacement are obtained.

[0034] Based on the normal stress and vibration acceleration under each axial displacement, the target axial displacement is determined from each axial displacement, and the drive motor is controlled to adjust the axial displacement of the flexible tube to the target axial displacement.

[0035] The present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the ship flexible takeover control method as described above.

[0036] The present invention also provides a computer program product, including a computer program that, when executed by a processor, implements the ship flexible control method as described above.

[0037] The flexible nozzle control system, cooling system, control method, and storage medium provided by this invention collect the normal stress and vibration acceleration of the flexible nozzle under various axial displacements by setting normal stress sensors and vibration acceleration sensors. From these axial displacements, the target axial displacement with better safety and vibration isolation and noise reduction capabilities of the flexible nozzle is determined. The axial displacement of the flexible nozzle is adjusted to the target axial displacement by a drive motor, thereby ensuring that the flexible nozzle is always in a state of synergistic improvement in displacement compensation capability and vibration isolation and noise reduction capability under various scenarios, thus supporting the coordinated development of ship safety and quietness. Attached Figure Description

[0038] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0039] Figure 1 This is a structural schematic diagram of a ship's sea-crossing cooling system in the existing technology;

[0040] Figure 2 This is one of the structural schematic diagrams of the ship flexible control system provided by the present invention;

[0041] Figure 3 This is the second schematic diagram of the ship flexible control system provided by the present invention;

[0042] Figure 4 This is a schematic diagram of the ship's sea-crossing cooling system provided by the present invention;

[0043] Figure 5 This is a schematic flowchart of the ship flexible control method provided by the present invention;

[0044] Figure label:

[0045] 10: Hull; 11: Water inlet; 12: Seawater valve; 13: Flexible connector;

[0046] 14: Seawater pump; 15: Power equipment; 16: Pipeline; 17: Water outlet;

[0047] 21: Drive motor; 22: Controller; 23: Normal stress sensor;

[0048] 24: Vibration acceleration sensor; 25: First limiting plate;

[0049] 26: Second limit plate; 27: Data acquisition device. Detailed Implementation

[0050] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0051] In a ship's sea-ventilated cooling system, the flexible nozzle directly affects the ship's safety and quietness indicators. Regarding safety, displacement compensation performance is generally represented by the normal stress (along the central axis of the flexible nozzle) between the flexible nozzle and the seawater valve; a smaller normal stress indicates safer operation of the flexible nozzle. Regarding quietness, it is generally represented by the vibration acceleration at the rear end of the flexible nozzle (the end not connected to the seawater pump equipment); a smaller vibration acceleration indicates stronger vibration isolation and noise reduction capabilities of the flexible nozzle. Furthermore, research results show that the displacement compensation performance and vibration isolation performance of the flexible nozzle are closely related to its axial displacement (along the central axis of the flexible nozzle).

[0052] As ship navigation conditions become increasingly complex, flexible nozzles in ship cooling systems are gradually failing to meet the demands of multi-condition operation. On the one hand, axial displacement compensation often exceeds the maximum compensation specified for operation, leading to cracks or even breaks in the flexible nozzles. This causes the ship's power unit to lose its seawater cooling source, seriously threatening the ship's safe operation. On the other hand, the vibration isolation performance of flexible nozzles often suffers from severe degradation, resulting in noise leakage from the power equipment, causing excessive vibration and noise levels, and seriously affecting the quiet navigation of the ship.

[0053] Therefore, there is an urgent need to design a flexible nozzle for a sea cooling system that can balance displacement compensation and vibration isolation capabilities.

[0054] Figure 2 This is one of the structural schematic diagrams of the ship flexible control system provided by the present invention, such as... Figure 2 As shown, the system includes:

[0055] Flexible connector 13;

[0056] The normal stress sensor 23 and the vibration acceleration sensor 24 are installed at the rear end of the flexible tube 13;

[0057] Drive motor 21 is used to adjust the axial displacement of the flexible connector 13 under the action of controller 22;

[0058] The controller 22 is used to acquire the normal stress and vibration acceleration collected by the normal stress sensor 23 and the vibration acceleration sensor 24 under each axial displacement, determine the target axial displacement from the normal stress and vibration acceleration under each axial displacement based on the normal stress and vibration acceleration under each axial displacement, and control the drive motor 21 to adjust the axial displacement of the flexible pipe 13 to the target axial displacement.

[0059] Specifically, in order to achieve control over the flexible nozzle 13, this embodiment of the invention provides a normal stress sensor 23, a vibration acceleration sensor 24, a drive motor 21, and a controller 22 for the flexible nozzle 13.

[0060] The normal stress sensor 23 and the vibration acceleration sensor 24 are located at the rear end of the flexible connector 13, that is, at the end of the flexible connector 13 that is not connected to the seawater pump. Specifically, the normal stress sensor 23 and the vibration acceleration sensor 24 can be deployed at the connection between the flexible connector 13 and the seawater valve. Thus, the normal stress between the flexible connector 13 and the seawater valve along the axial direction of the flexible connector 13 can be detected by the normal stress sensor 23. The normal stress here can reflect the displacement compensation performance of the flexible connector 13, thereby reflecting the safety of the operation of the flexible connector 13. In addition, the vibration acceleration sensor 24 can detect the vibration acceleration between the flexible connector 13 and the seawater valve. The vibration acceleration here can reflect the pipe vibration isolation and noise reduction capability of the flexible connector 13, thereby reflecting the impact of the flexible connector 13 on the quiet operation of the ship.

[0061] The drive motor 21 can be connected to the flexible connector 13 to adjust the axial displacement of the flexible connector 13. Furthermore, limiting plates can be set at both ends of the flexible connector 13, so that the drive motor 21 controls the movement of the limiting plates, thereby causing the flexible connector 13 to extend or retract, so as to adjust the axial displacement of the flexible connector 13.

[0062] The controller 22 is connected to the drive motor 21, the normal stress sensor 23, and the vibration acceleration sensor 24 respectively. On the one hand, the controller 22 is connected to the drive motor 21 and can control the drive motor 21 to adjust the axial displacement of the flexible pipe 13. On the other hand, the controller 22 is connected to the normal stress sensor 23 and the vibration acceleration sensor 24 and can receive the normal stress and vibration acceleration under each axial displacement collected in real time by the normal stress sensor 23 and the vibration acceleration sensor 24 during the adjustment of the axial displacement.

[0063] Furthermore, after obtaining the normal stress and vibration acceleration under each axial displacement, the controller 22 can also measure the safety and vibration isolation and noise reduction capability of the flexible connector 13 under each axial displacement based on these two factors. Thus, the axial displacement with the best safety and vibration isolation and noise reduction capability is selected from each axial displacement as the target axial displacement, and the drive motor 21 is controlled to adjust the axial displacement of the flexible connector 13 to the target axial displacement so that the flexible connector 13 can operate under the best safety and vibration isolation and noise reduction capability.

[0064] Furthermore, when selecting the target axial displacement based on the normal stress and vibration acceleration under each axial displacement, for the flexible nozzle 13, the smaller the normal stress, the higher the safety; and the smaller the vibration acceleration, the better the vibration isolation and noise reduction capability. Based on this, the axial displacement with smaller normal stress and vibration acceleration can be preferentially selected as the target axial displacement, thereby ensuring the safety and quietness of ship operation.

[0065] The flexible nozzle control system provided in this invention collects the normal stress and vibration acceleration of the flexible nozzle under various axial displacements by setting up normal stress sensors and vibration acceleration sensors. From these axial displacements, the system determines the target axial displacement that provides the best safety and vibration isolation / noise reduction capability for the flexible nozzle. The system then uses a drive motor to adjust the axial displacement of the flexible nozzle to the target axial displacement. This ensures that the flexible nozzle is always in a state of synergistic improvement in displacement compensation capability and vibration isolation / noise reduction capability under various scenarios, thereby supporting the coordinated development of ship safety and quietness.

[0066] Based on the above embodiments, the controller includes:

[0067] The gear adjustment unit is used to control the drive motor to adjust the axial displacement of the flexible connector to each candidate axial displacement.

[0068] The data receiving unit is used to acquire the normal stress and vibration acceleration collected by the normal stress sensor and the vibration acceleration sensor under each candidate axial displacement;

[0069] The gear position determination unit is used to determine the target axial displacement from the candidate axial displacements based on the normal stress and vibration acceleration under each candidate axial displacement;

[0070] The gear control unit is used to control the drive motor to adjust the axial displacement of the flexible connector to the target axial displacement.

[0071] Specifically, in a ship's flexible control system, the controller can be divided into four units based on its functions: a gear adjustment unit, a data receiving unit, a gear determination unit, and a gear control unit.

[0072] The gear adjustment unit can preset multiple candidate axial displacements, and then control the drive motor to sequentially adjust the axial displacement of the flexible connector to each candidate axial displacement. Here, candidate axial displacements can be understood as preset axial displacement gears; one flexible connector can correspond to multiple axial displacement gears, that is, it can correspond to multiple candidate axial displacements. For example, m candidate axial displacements can be set, denoted as L1, L2, L3, ..., L... m .

[0073] Simultaneously, the normal stress sensor and vibration acceleration sensor respectively collect the normal stress and vibration acceleration of the flexible nozzle under each candidate axial displacement, and send the collected normal stress and vibration acceleration under each candidate axial displacement to the controller.

[0074] Accordingly, the data receiving unit can acquire the normal stress and vibration acceleration under each candidate axial displacement, that is, obtain the normal stress and vibration acceleration under each axial displacement level. For example, if there are m preset axial displacements, m normal stresses and m vibration accelerations can be obtained, with each preset axial displacement corresponding to one normal stress and one vibration acceleration.

[0075] Subsequently, the gear determination unit can determine the target axial displacement from among the candidate axial displacements based on the normal stress and vibration acceleration under each candidate axial displacement. It can be understood that the gear determination unit is used to determine the target gear, i.e., the target axial displacement in this case, from among the various axial displacement gears.

[0076] Next, the gear control unit controls the drive motor to adjust the axial displacement of the flexible connector to the target axial displacement, so that the flexible connector can operate with optimal safety and vibration isolation and noise reduction capabilities.

[0077] Based on any of the above embodiments, the gear adjustment unit is specifically used for:

[0078] Based on the ship's speed, multiple candidate axial displacements are determined, and the drive motor is controlled to adjust the axial displacement of the flexible connector to each candidate axial displacement one by one.

[0079] Specifically, for the gear adjustment unit, multiple candidate axial displacements can be preset. When the ship's operating conditions change and the axial displacement of the flexible nozzle needs to be adjusted adaptively, the drive motor can be directly controlled to adjust the axial displacement of the flexible nozzle to each candidate axial displacement in turn, so as to determine the target axial displacement from each candidate axial displacement.

[0080] Alternatively, when the ship's operating conditions change and an adaptive adjustment of the flexible nozzle's axial displacement is required, the gear adjustment unit determines multiple candidate axial displacements based on the current ship speed. That is, multiple sets of candidate axial displacements can be pre-set, each corresponding to a speed range. Thus, when the ship's operating conditions change, a set of candidate axial displacements matching the current ship speed can be determined from these multiple sets. This set of candidate axial displacements can include multiple candidate axial displacements. Afterward, the drive motor can be controlled to successively adjust the flexible nozzle's axial displacement to each candidate axial displacement, facilitating the determination of the target axial displacement from among these candidate displacements.

[0081] Understandably, compared to directly controlling the drive motor to adjust the axial displacement of the flexible connector to each preset candidate axial displacement one by one, determining multiple candidate axial displacements based on the ship's speed and then making adjustments can reduce the number of candidate axial displacements that need to be adjusted, speed up the acquisition of the target axial displacement, and thus achieve the adjustment of the flexible connector more quickly.

[0082] Based on any of the above embodiments, the gear position determination unit includes:

[0083] The performance evaluation subunit is used to determine the performance evaluation value of each candidate axial displacement based on the normal stress and vibration acceleration under each candidate axial displacement.

[0084] The target determination subunit is used to determine the target axial displacement from the candidate axial displacements based on the performance evaluation values ​​of the candidate axial displacements.

[0085] Specifically, the gear selection unit includes a performance evaluation subunit and a target selection subunit. The performance evaluation subunit calculates the performance evaluation value for each candidate axial displacement based on the normal stress and vibration acceleration under each candidate axial displacement. This performance evaluation value reflects a comprehensive assessment of displacement compensation capability and vibration isolation / noise reduction capability. Normal stress affects the evaluation of displacement compensation capability, while vibration acceleration affects the evaluation of vibration isolation / noise reduction capability.

[0086] Furthermore, the performance evaluation subunit normalizes the normal stress and vibration acceleration under each candidate axial displacement to obtain the normalized normal stress and normalized acceleration under each candidate axial displacement; and performs a weighted summation of the normalized normal stress and normalized acceleration under each candidate axial displacement to obtain the performance evaluation value of each candidate axial displacement.

[0087] Assuming there are m candidate axial displacements, each corresponding to a normal stress and a vibration acceleration, i.e., m normal stresses and m vibration accelerations, the normal stress and vibration acceleration under each candidate axial displacement can be normalized based on the following formulas:

[0088]

[0089]

[0090] In the formula, f and v represent the normal stress and vibration acceleration under any candidate axial displacement. and Let f represent the normalized normal stress and normalized acceleration under the candidate axial displacement, min(f) and max(f) are the maximum and minimum values ​​of m normal stresses, respectively, and min(v) and max(v) are the maximum and minimum values ​​of m vibration accelerations, respectively.

[0091] After normalization, the performance evaluation value of each candidate axial displacement can be calculated using the following formula:

[0092]

[0093] In the formula, and The normalized normal stress and normalized acceleration represent any candidate axial displacement, and μ represents the performance evaluation value of that candidate axial displacement. α and β are preset weights, α+β=1, and α,β≥0. α and β can be flexibly adjusted according to the specific operational requirements of the flexible nozzle for displacement compensation and vibration isolation capabilities.

[0094] After calculating the performance evaluation values ​​of each candidate axial displacement, the target axial displacement can be determined by the target determination sub-unit based on these performance evaluation values. Here, the candidate axial displacement with the smallest performance evaluation value can be selected as the target axial displacement.

[0095] Based on any of the above embodiments Figure 3 This is the second structural schematic diagram of the ship flexible control system provided by the present invention, as shown below. Figure 3 As shown, the system also includes:

[0096] First limiting plate 25 and second limiting plate 26;

[0097] The first limiting plate 25 and the second limiting plate 26 are respectively fixed to both ends of the flexible pipe 13, and the drive motor 21 is disposed between the first limiting plate 25 and the second limiting plate 26.

[0098] The drive motor 21 is specifically used to adjust the axial displacement of the flexible pipe 13 through the first limiting plate 25 and the second limiting plate 26 under the action of the controller 22.

[0099] Specifically, a first limiting plate 25 and a second limiting plate 26 can be fixedly connected to both ends of the flexible connector 13, and a drive motor 21 can be provided between the first limiting plate 25 and the second limiting plate 26. Thus, the drive motor can drive the first limiting plate 25 and the second limiting plate 26 to move, thereby causing the flexible connector 13 to extend and retract, thereby realizing the axial displacement of the flexible connector 13.

[0100] Based on any of the above embodiments, such as Figure 3 As shown, the system also includes:

[0101] The data acquisition unit 27 is used to perform signal conditioning on the electrical signal output by the normal stress sensor 23 and the electrical signal output by the vibration acceleration sensor 24, and transmit the signal-conditioned electrical signal as the normal stress and the vibration acceleration to the controller 22.

[0102] Specifically, the input terminal of the data acquisition unit 27 is connected to the output terminals of the normal stress sensor 23 and the vibration acceleration sensor 24, and the output terminal of the data acquisition unit 27 is connected to the input terminal of the controller 22. Thus, the data acquisition unit 27 can receive the electrical signals obtained from the normal stress sensor 23 and the vibration acceleration sensor 24 through normal stress and vibration acceleration acquisition, and perform signal conditioning on the electrical signals, thereby transmitting the conditioned electrical signals as normal stress and vibration acceleration to the controller 22.

[0103] Optionally, the data acquisition unit 27 here can not only perform signal conditioning, but also signal isolation.

[0104] Based on any of the above embodiments Figure 4 This is a structural schematic diagram of the marine cooling system provided by the present invention, as shown below. Figure 4 As shown, the ship's sea-going cooling system includes the ship's flexible control system as described above.

[0105] That is, the ship's sea-cooling system may include the hull 10, and a water inlet 11, a seawater valve 12, a flexible hose 13, a seawater pump 14, a power unit 15, pipes 16, and a water outlet 17 deployed inside the hull. Furthermore, to enable real-time adjustment of the flexible hose 13, a drive motor 21, a controller 22, a normal stress sensor 23, a vibration acceleration sensor 24, a first limit plate 25, a second limit plate 26, and a data acquisition unit 27 are also provided.

[0106] Specifically, a first limiting plate 25 and a second limiting plate 26 are fixedly connected to both ends of the flexible connector 13, and a drive motor 21 is provided between the first limiting plate 25 and the second limiting plate 26. Thus, the drive motor 21 can drive the first limiting plate 25 and the second limiting plate 26 to move, thereby causing the flexible connector 13 to extend and retract, and thus realizing the axial displacement of the flexible connector 13.

[0107] The normal stress sensor 23 and the vibration acceleration sensor 24 are located at the rear end of the flexible tube 13, and their output ends are connected to the input end of the data acquisition unit 27. Thus, the normal stress and vibration acceleration collected by the normal stress sensor 23 and the vibration acceleration sensor 24 are processed by the data acquisition unit 27 and then input to the controller 22. The controller 22 determines the target axial displacement from each axial displacement based on the normal stress and vibration acceleration under each axial displacement, and controls the drive motor 21 to adjust the axial displacement of the flexible tube 13 to the target axial displacement.

[0108] The marine cooling system provided in this embodiment of the invention collects the normal stress and vibration acceleration of the flexible nozzle under various axial displacements by setting up normal stress sensors and vibration acceleration sensors. From these axial displacements, the target axial displacement with better safety and vibration isolation and noise reduction capabilities of the flexible nozzle is determined. The axial displacement of the flexible nozzle is then adjusted to the target axial displacement by a drive motor. This ensures that the flexible nozzle is always in a state of synergistic improvement in displacement compensation capability and vibration isolation and noise reduction capability under various scenarios, thereby supporting the coordinated development of ship safety and quietness.

[0109] Based on any of the above embodiments Figure 5 This is a schematic flowchart of the ship flexible control method provided by the present invention, as shown below. Figure 5 As shown, the method includes:

[0110] Step 510: Adjust the axial displacement of the flexible hose based on the drive motor, and obtain the normal stress and vibration acceleration under each axial displacement.

[0111] Specifically, in order to achieve control over the flexible nozzle, embodiments of the present invention include a normal stress sensor, a vibration acceleration sensor, and a drive motor for the flexible nozzle.

[0112] The normal stress sensor and vibration acceleration sensor are installed at the rear end of the flexible connector, that is, the end of the flexible connector that is not connected to the seawater pump. Specifically, the normal stress sensor and vibration acceleration sensor can be deployed at the connection between the flexible connector and the seawater valve. Thus, the normal stress between the flexible connector and the seawater valve, along the axial direction of the flexible connector, can be detected by the normal stress sensor. The normal stress here can reflect the displacement compensation performance of the flexible connector, thereby reflecting the safety of the flexible connector operation. In addition, the vibration acceleration sensor can detect the vibration acceleration between the flexible connector and the seawater valve. The vibration acceleration here can reflect the pipe vibration isolation and noise reduction capability of the flexible connector, thereby reflecting the impact of the flexible connector on the quiet operation of the ship.

[0113] The drive motor can be connected to the flexible hose to adjust its axial displacement. By controlling the drive motor's operation, the axial displacement of the flexible hose can be adjusted; simultaneously, normal stress and vibration acceleration data at various axial displacements can be collected in real time by normal stress sensors and vibration acceleration sensors during the adjustment process.

[0114] Step 520: Based on the normal stress and vibration acceleration under each axial displacement, determine the target axial displacement from each axial displacement, and control the drive motor to adjust the axial displacement of the flexible connector to the target axial displacement.

[0115] Specifically, after obtaining the normal stress and vibration acceleration under each axial displacement, the safety and vibration isolation and noise reduction capabilities of the flexible connector under each axial displacement can be measured based on these two values. Thus, the axial displacement with the best safety and vibration isolation and noise reduction capabilities is selected from each axial displacement as the target axial displacement, and the drive motor is controlled to adjust the axial displacement of the flexible connector to the target axial displacement so that the flexible connector can operate under optimal safety and vibration isolation and noise reduction capabilities.

[0116] Furthermore, when selecting the target axial displacement based on the normal stress and vibration acceleration under various axial displacements, for flexible nozzles, the smaller the normal stress, the higher the safety; and the smaller the vibration acceleration, the better the vibration isolation and noise reduction capabilities. Therefore, the axial displacement with both smaller normal stress and vibration acceleration can be preferentially selected as the target axial displacement, thereby ensuring the safety and quietness of ship operation.

[0117] The flexible nozzle control method for ships provided in this invention collects the normal stress and vibration acceleration of the flexible nozzle under various axial displacements by setting up a normal stress sensor and a vibration acceleration sensor. From these axial displacements, a target axial displacement with better safety and vibration isolation and noise reduction capabilities for the flexible nozzle is determined. The axial displacement of the flexible nozzle is then adjusted to the target axial displacement by a drive motor. This ensures that the flexible nozzle is always in a state of synergistic improvement in displacement compensation capability and vibration isolation and noise reduction capability under various scenarios, thereby supporting the coordinated development of ship safety and quietness.

[0118] The present invention also provides a computer program product, the computer program product comprising a computer program that can be stored on a non-transitory computer-readable storage medium, wherein when the computer program is executed by a processor, the computer is able to execute the ship flexible control method provided by the above methods, the method comprising:

[0119] The axial displacement of the flexible hose is adjusted based on the drive motor, and the normal stress and vibration acceleration under each axial displacement are obtained.

[0120] Based on the normal stress and vibration acceleration under each axial displacement, the target axial displacement is determined from each axial displacement, and the drive motor is controlled to adjust the axial displacement of the flexible tube to the target axial displacement.

[0121] In another aspect, the present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, is implemented to perform the ship flexible takeover control method provided by the above methods, the method comprising:

[0122] The axial displacement of the flexible hose is adjusted based on the drive motor, and the normal stress and vibration acceleration under each axial displacement are obtained.

[0123] Based on the normal stress and vibration acceleration under each axial displacement, the target axial displacement is determined from each axial displacement, and the drive motor is controlled to adjust the axial displacement of the flexible tube to the target axial displacement.

[0124] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0125] Through the above description of the embodiments, those skilled in the art can clearly understand that each embodiment can be implemented by means of software plus necessary general-purpose hardware platforms, and of course, it can also be implemented by hardware. Based on this understanding, the above technical solutions, in essence or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, magnetic disk, optical disk, etc., and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute the methods described in the various embodiments or some parts of the embodiments.

[0126] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A marine vessel flexible jumper regulation system, characterized by, include: Flexible take-off; A normal stress sensor and a vibration acceleration sensor are installed at the rear end of the flexible tube. A drive motor is used to adjust the axial displacement of the flexible connector under the action of the controller; The controller is used to acquire the normal stress and vibration acceleration collected by the normal stress sensor and the vibration acceleration sensor under each axial displacement, determine the target axial displacement from the axial displacement based on the normal stress and vibration acceleration under each axial displacement, and control the drive motor to adjust the axial displacement of the flexible pipe to the target axial displacement.

2. The marine flexible jumpers regulation system of claim 1, wherein, The controller includes: The gear adjustment unit is used to control the drive motor to adjust the axial displacement of the flexible connector to each candidate axial displacement; The data receiving unit is used to acquire the normal stress and vibration acceleration collected by the normal stress sensor and the vibration acceleration sensor under each candidate axial displacement; The gear position determination unit is used to determine the target axial displacement from the candidate axial displacements based on the normal stress and vibration acceleration under each candidate axial displacement; The gear control unit is used to control the drive motor to adjust the axial displacement of the flexible connector to the target axial displacement.

3. The marine flexible jumpers regulation system of claim 2, wherein, The gear adjustment unit is specifically used for: Based on the ship's speed, multiple candidate axial displacements are determined, and the drive motor is controlled to adjust the axial displacement of the flexible connector to each candidate axial displacement one by one.

4. The marine flexible jumpers regulation system of claim 2, wherein, The gear selection unit includes: The performance evaluation subunit is used to determine the performance evaluation value of each candidate axial displacement based on the normal stress and vibration acceleration under each candidate axial displacement. The target determination subunit is used to determine the target axial displacement from the candidate axial displacements based on the performance evaluation values ​​of the candidate axial displacements.

5. The marine flexible jumpers regulation system of claim 4, wherein, The performance evaluation subunit is specifically used for: The normal stress and vibration acceleration under each candidate axial displacement are normalized to obtain the normalized normal stress and normalized acceleration under each candidate axial displacement. The normalized normal stress and normalized acceleration under each candidate axial displacement are weighted and summed to obtain the performance evaluation value of each candidate axial displacement.

6. The marine flexible jumpers regulation system according to any of claims 1 to 5, characterized in that, Also includes: First limiting plate and second limiting plate; The first limiting plate and the second limiting plate are respectively fixedly connected to both ends of the flexible pipe, and the drive motor is disposed between the first limiting plate and the second limiting plate; The drive motor is specifically used to adjust the axial displacement of the flexible pipe through the first limiting plate and the second limiting plate under the action of the controller.

7. The marine flexible jumpers regulation system according to any of claims 1 to 5, characterized in that, Also includes: The data acquisition unit is used to condition the electrical signal output by the normal stress sensor and the electrical signal output by the vibration acceleration sensor, and transmit the conditioned electrical signal as the normal stress and the vibration acceleration to the controller.

8. A marine cooling system, characterized in that, Includes the ship flexible takeover control system as described in any one of claims 1 to 7.

9. A method of regulating a flexible marine riser, characterized by, include: The axial displacement of the flexible hose is adjusted based on the drive motor, and the normal stress and vibration acceleration under each axial displacement are obtained. Based on the normal stress and vibration acceleration under each axial displacement, the target axial displacement is determined from each axial displacement, and the drive motor is controlled to adjust the axial displacement of the flexible tube to the target axial displacement.

10. A non-transitory computer-readable storage medium having stored thereon a computer program, characterized in that, When the computer program is executed by the processor, it implements the ship flexible control method as described in claim 9.

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