CN116878638A - Networking method and system for ship lock herringbone gate structure diversified monitoring points - Google Patents
Networking method and system for ship lock herringbone gate structure diversified monitoring points Download PDFInfo
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Abstract
The invention discloses a networking method and a networking system for a ship lock herringbone gate structure diversified monitoring point, wherein the method comprises the following steps: obtaining vibration history data of each part of the ship lock lambdoidal door structure, wherein the vibration history data comprises: the amplitude of the sinusoidal vibration at the fundamental frequency, the angular frequency of the fundamental frequency, the point in time when the vibration occurs, the phase angle of the fundamental frequency, the angular frequency of the additional vibration, and the phase angle of the additional vibration; setting a vibration monitoring model, and calculating the part amplitude of each part of the ship lock lambdoidal door structure according to vibration history data; the method comprises the steps of obtaining damage coefficients, attenuation coefficients, angular frequency of damaged fundamental frequency, phase angle and coupling coefficients of damaged fundamental frequency of each part of a ship lock lambdoidal door structure, optimizing a vibration monitoring model, generating an optimized vibration monitoring model, calculating optimized part amplitude, comparing the optimized part amplitude with vibration threshold values of all parts, and forming a monitoring network at the part corresponding to the optimized part amplitude exceeding the vibration threshold values.
Description
Technical Field
The invention belongs to the technical field of networking of monitoring points with diversified ship lock lambdoidal doors, and particularly relates to a networking method and system of monitoring points with diversified ship lock lambdoidal doors.
Background
The large-scale diversified measurement point networking analysis of the ship lock herringbone gate structure is to monitor and analyze the structure by arranging a large number of different types of measurement points in the ship lock herringbone gate structure. Such networking analysis can provide real-time monitoring data, help us understand the performance and safety state of the structure, and take corresponding measures to ensure the stability and operation safety of the structure when necessary.
When carrying out large-scale diversified measurement point networking analysis of the ship lock lambdoidal door structure, the following aspects can be considered:
1. and (3) a measuring point layout strategy: and (3) formulating a reasonable measuring point layout strategy according to the geometric shape, structural materials and design requirements of the ship lock herringbone gate structure. The key parts of the structure and potential safety hazards such as key connection points, key components and the like are considered, so that the full coverage of the measuring points is ensured.
2. Type of measurement point: the appropriate station type is selected to monitor the different parameters of the structure. Common measuring point types include displacement measuring points, stress measuring points, strain measuring points, vibration measuring points and the like. The sensors may be selected to be wired or wireless according to particular needs, and take into account the accuracy and stability of the sensors.
3. And a data acquisition system: and establishing a data acquisition system to acquire measurement point data in real time. The data acquisition system should be capable of synchronously acquiring data of all measuring points and providing corresponding data storage and processing functions. A conventional wired data acquisition system may be used, and a wireless sensor network (Wireless Sensor Network, WSN) may also be considered to implement distributed data acquisition.
4. Data analysis and processing: analyzing and processing the acquired data to obtain the running state and health condition of the structure. The performance of the structure can be evaluated by means of trend analysis, spectrum analysis, anomaly detection and the like of real-time monitoring data, and possible problems can be found in time.
5. Monitoring system management and maintenance: and a perfect monitoring system management and maintenance mechanism is established, calibration and maintenance are carried out on the measuring points regularly, and the accuracy and reliability of the measuring points are ensured. Meanwhile, a data analysis and alarm mechanism is established, the abnormal structure condition is responded in time, and necessary maintenance and reinforcement measures are adopted.
In the prior art, a technology does not exist, which monitoring points need to be networked according to a great amount of past historical data, and only the part needing to be networked is judged manually.
Disclosure of Invention
In order to solve the technical problems, the invention provides a networking method of a ship lock herringbone gate structure diversified monitoring points, which comprises the following steps:
obtaining vibration history data of each part of a ship lock lambdoidal door structure, wherein the vibration history data comprises: the amplitude of the fundamental frequency sinusoidal vibration, the angular frequency of the fundamental frequency, the point in time when the vibration occurs, the phase angle of the fundamental frequency, the amplitude of the fundamental frequency cosine vibration, the amplitude of the additional vibration, the damping ratio of the structure, the angular frequency of the additional vibration, and the phase angle of the additional vibration;
setting a vibration monitoring model, and calculating the part amplitude of each part of the ship lock lambdoidal door structure according to the vibration history data;
the method comprises the steps of obtaining damage coefficients, attenuation coefficients, angular frequencies of damaged fundamental frequencies, phase angles of damaged fundamental frequencies and coupling coefficients of all parts of a ship lock lambdoidal door structure, optimizing a vibration monitoring model, generating the optimized vibration monitoring model, calculating the optimized part amplitude, comparing the optimized part amplitude with vibration threshold values of all parts, and forming a monitoring network at the part corresponding to the optimized part amplitude exceeding the vibration threshold values.
Further, the vibration monitoring model is as follows:
wherein G is the amplitude of the part, A is the amplitude of sinusoidal vibration at the fundamental frequency, w is the angular frequency of the fundamental frequency, t is the time point when vibration occurs,for the phase angle of the fundamental frequency, B is the amplitude of the cosine vibration of the fundamental frequency, C is the amplitude of the additional vibration, delta is the damping ratio of the structure, w' is the angular frequency of the additional vibration, < >>Is the phase angle of the additional vibration.
Further, the optimized vibration monitoring model is as follows:
wherein G 'is the optimized part amplitude, D is the damage coefficient, alpha is the attenuation coefficient, w' is the angular frequency of the fundamental frequency after damage,is the phase angle of the fundamental frequency after the impairment.
Further, the optimized vibration monitoring model is as follows:
wherein E is a coupling coefficient.
Further, the obtaining the vibration history data of each part of the ship lock herringbone gate structure includes:
and acquiring vibration history data of the door leaf, the guide rail, the door wheel, the door post, the connection point between the door leaf and the guide rail and the connection point between the door leaf and the door wheel of the lock herringbone door structure.
The invention also provides a networking system of the ship lock herringbone gate structure diversified monitoring points, which comprises the following components:
the acquisition data module is used for acquiring vibration history data of all parts of the ship lock herringbone gate structure, wherein the vibration history data comprise: the amplitude of the fundamental frequency sinusoidal vibration, the angular frequency of the fundamental frequency, the point in time when the vibration occurs, the phase angle of the fundamental frequency, the amplitude of the fundamental frequency cosine vibration, the amplitude of the additional vibration, the damping ratio of the structure, the angular frequency of the additional vibration, and the phase angle of the additional vibration;
the setting model module is used for setting a vibration monitoring model and calculating the part amplitude of each part of the ship lock lambdoidal door structure according to the vibration history data;
the networking module is used for obtaining the damage coefficient, the attenuation coefficient, the angular frequency of the damaged fundamental frequency, the phase angle and the coupling coefficient of the damaged fundamental frequency of the ship lock lambdoidal gate structure, optimizing the vibration monitoring model, generating the optimized vibration monitoring model, calculating the optimized position amplitude, comparing the optimized position amplitude with the vibration threshold value of each position, and forming a monitoring network at the position corresponding to the optimized position amplitude exceeding the vibration threshold value.
Further, the vibration monitoring model is as follows:
wherein G is the amplitude of the part, A is the amplitude of sinusoidal vibration at the fundamental frequency, w is the angular frequency of the fundamental frequency, t is the time point when vibration occurs,for the phase angle of the fundamental frequency, B is the amplitude of the cosine vibration of the fundamental frequency, C is the amplitude of the additional vibration, delta is the damping ratio of the structure, w' is the angular frequency of the additional vibration, < >>Is the phase angle of the additional vibration.
Further, the optimized vibration monitoring model is as follows:
wherein G' is the optimized part amplitude and D is the damageThe coefficient, alpha, is the attenuation coefficient, w "is the angular frequency of the fundamental frequency after the lesion,is the phase angle of the fundamental frequency after the impairment.
Further, the optimized vibration monitoring model is as follows:
wherein E is a coupling coefficient.
Further, the obtaining the vibration history data of each part of the ship lock herringbone gate structure includes:
and acquiring vibration history data of the door leaf, the guide rail, the door wheel, the door post, the connection point between the door leaf and the guide rail and the connection point between the door leaf and the door wheel of the lock herringbone door structure.
In general, the above technical solutions conceived by the present invention have the following beneficial effects compared with the prior art:
the invention obtains vibration history data of all parts of a ship lock herringbone gate structure, wherein the vibration history data comprises the following steps: the amplitude of the fundamental frequency sinusoidal vibration, the angular frequency of the fundamental frequency, the point in time when the vibration occurs, the phase angle of the fundamental frequency, the amplitude of the fundamental frequency cosine vibration, the amplitude of the additional vibration, the damping ratio of the structure, the angular frequency of the additional vibration, and the phase angle of the additional vibration; setting a vibration monitoring model, and calculating the part amplitude of each part of the ship lock lambdoidal door structure according to the vibration history data; the method comprises the steps of obtaining damage coefficients, attenuation coefficients, angular frequencies of damaged fundamental frequencies, phase angles of damaged fundamental frequencies and coupling coefficients of all parts of a ship lock lambdoidal door structure, optimizing a vibration monitoring model, generating the optimized vibration monitoring model, calculating the optimized part amplitude, comparing the optimized part amplitude with vibration threshold values of all parts, and forming a monitoring network at the part corresponding to the optimized part amplitude exceeding the vibration threshold values. According to the technical scheme, the historical vibration condition of each part can be calculated and compared with the preset threshold value, so that the parts needing networking monitoring are determined, and the monitoring efficiency is improved.
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FIG. 1 is a flow chart of the method of embodiment 1 of the present invention;
fig. 2 is a block diagram of a system of embodiment 2 of the present invention.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The method provided by the invention can be implemented in a terminal environment, wherein the terminal can comprise one or more of the following components: processor, storage medium, and display screen. Wherein the storage medium has stored therein at least one instruction that is loaded and executed by the processor to implement the method described in the embodiments below.
The processor may include one or more processing cores. The processor connects various parts within the overall terminal using various interfaces and lines, performs various functions of the terminal and processes data by executing or executing instructions, programs, code sets, or instruction sets stored in the storage medium, and invoking data stored in the storage medium.
The storage medium may include a random access Memory (Random Access Memory, RAM) or a Read-Only Memory (ROM). The storage medium may be used to store instructions, programs, code sets, or instructions.
The display screen is used for displaying a user interface of each application program.
All subscripts in the formula of the invention are only used for distinguishing parameters and have no practical meaning.
In addition, it will be appreciated by those skilled in the art that the structure of the terminal described above is not limiting and that the terminal may include more or fewer components, or may combine certain components, or a different arrangement of components. For example, the terminal further includes components such as a radio frequency circuit, an input unit, a sensor, an audio circuit, a power supply, and the like, which are not described herein.
Example 1
As shown in fig. 1, an embodiment of the present invention provides a networking method for a ship lock herringbone gate structure diversity monitoring point, including:
step 101, obtaining vibration history data of all parts of a ship lock herringbone gate structure, wherein the vibration history data comprises: the amplitude of the fundamental frequency sinusoidal vibration, the angular frequency of the fundamental frequency, the point in time when the vibration occurs, the phase angle of the fundamental frequency, the amplitude of the fundamental frequency cosine vibration, the amplitude of the additional vibration, the damping ratio of the structure, the angular frequency of the additional vibration, and the phase angle of the additional vibration;
specifically, the obtaining vibration history data of each part of the ship lock herringbone gate structure includes:
and acquiring vibration history data of the door leaf, the guide rail, the door wheel, the door post, the connection point between the door leaf and the guide rail and the connection point between the door leaf and the door wheel of the lock herringbone door structure.
102, setting a vibration monitoring model, and calculating the part amplitude of each part of the ship lock lambdoidal door structure according to the vibration history data;
specifically, the vibration monitoring model is as follows:
wherein G is the amplitude of the part, A is the amplitude of sinusoidal vibration at the fundamental frequency, w is the angular frequency of the fundamental frequency, t is the time point when vibration occurs,for the phase angle of the fundamental frequency, B is the amplitude of the cosine vibration of the fundamental frequency, C is the amplitude of the additional vibration, delta is the damping ratio of the structure, w' is the angular frequency of the additional vibration, < >>Is the phase angle of the additional vibration.
Step 103, obtaining damage coefficients, attenuation coefficients, angular frequencies of damaged fundamental frequencies, phase angles of damaged fundamental frequencies and coupling coefficients of all parts of the ship lock herringbone gate structure, optimizing the vibration monitoring model, generating the optimized vibration monitoring model, calculating optimized part amplitudes, comparing the optimized part amplitudes with vibration thresholds of all parts, and forming a monitoring network by parts corresponding to the optimized part amplitudes exceeding the vibration thresholds.
Specifically, the optimized vibration monitoring model is as follows:
wherein G 'is the optimized part amplitude, D is the damage coefficient, alpha is the attenuation coefficient, w' is the angular frequency of the fundamental frequency after damage,is the phase angle of the fundamental frequency after the impairment.
Specifically, the optimized vibration monitoring model is as follows:
wherein E is a coupling coefficient.
Example 2
As shown in fig. 2, the embodiment of the present invention further provides a networking system for a ship lock herringbone gate structure diversity monitoring point, including:
the acquisition data module is used for acquiring vibration history data of all parts of the ship lock herringbone gate structure, wherein the vibration history data comprise: the amplitude of the fundamental frequency sinusoidal vibration, the angular frequency of the fundamental frequency, the point in time when the vibration occurs, the phase angle of the fundamental frequency, the amplitude of the fundamental frequency cosine vibration, the amplitude of the additional vibration, the damping ratio of the structure, the angular frequency of the additional vibration, and the phase angle of the additional vibration;
specifically, the obtaining vibration history data of each part of the ship lock herringbone gate structure includes:
and acquiring vibration history data of the door leaf, the guide rail, the door wheel, the door post, the connection point between the door leaf and the guide rail and the connection point between the door leaf and the door wheel of the lock herringbone door structure.
The setting model module is used for setting a vibration monitoring model and calculating the part amplitude of each part of the ship lock lambdoidal door structure according to the vibration history data;
specifically, the vibration monitoring model is as follows:
wherein G is the amplitude of the part, A is the amplitude of sinusoidal vibration at the fundamental frequency, w is the angular frequency of the fundamental frequency, t is the time point when vibration occurs,for the phase angle of the fundamental frequency, B is the amplitude of the cosine vibration of the fundamental frequency, C is the amplitude of the additional vibration, delta is the damping ratio of the structure, w' is the angular frequency of the additional vibration, < >>Is the phase angle of the additional vibration.
The networking module is used for obtaining the damage coefficient, the attenuation coefficient, the angular frequency of the damaged fundamental frequency, the phase angle and the coupling coefficient of the damaged fundamental frequency of the ship lock lambdoidal gate structure, optimizing the vibration monitoring model, generating the optimized vibration monitoring model, calculating the optimized position amplitude, comparing the optimized position amplitude with the vibration threshold value of each position, and forming a monitoring network at the position corresponding to the optimized position amplitude exceeding the vibration threshold value.
Specifically, the optimized vibration monitoring model is as follows:
wherein G is'is the optimized part amplitude, D is the damage coefficient, alpha is the attenuation coefficient, w' is the angular frequency of the fundamental frequency after damage,is the phase angle of the fundamental frequency after the impairment.
Specifically, the optimized vibration monitoring model is as follows:
wherein E is a coupling coefficient.
Example 3
The embodiment of the invention also provides a storage medium which stores a plurality of instructions for realizing the networking method of the ship lock herringbone gate structure diversified monitoring points.
Alternatively, in this embodiment, the storage medium may be located in any one of the computer terminals in the computer terminal group in the computer network, or in any one of the mobile terminals in the mobile terminal group.
Alternatively, in the present embodiment, the storage medium is configured to store program code for performing the steps of: step 101, obtaining vibration history data of all parts of a ship lock herringbone gate structure, wherein the vibration history data comprises: the amplitude of the fundamental frequency sinusoidal vibration, the angular frequency of the fundamental frequency, the point in time when the vibration occurs, the phase angle of the fundamental frequency, the amplitude of the fundamental frequency cosine vibration, the amplitude of the additional vibration, the damping ratio of the structure, the angular frequency of the additional vibration, and the phase angle of the additional vibration;
specifically, the obtaining vibration history data of each part of the ship lock herringbone gate structure includes:
and acquiring vibration history data of the door leaf, the guide rail, the door wheel, the door post, the connection point between the door leaf and the guide rail and the connection point between the door leaf and the door wheel of the lock herringbone door structure.
102, setting a vibration monitoring model, and calculating the part amplitude of each part of the ship lock lambdoidal door structure according to the vibration history data;
specifically, the vibration monitoring model is as follows:
wherein G is the amplitude of the part, A is the amplitude of sinusoidal vibration at the fundamental frequency, w is the angular frequency of the fundamental frequency, t is the time point when vibration occurs,for the phase angle of the fundamental frequency, B is the amplitude of the cosine vibration of the fundamental frequency, C is the amplitude of the additional vibration, delta is the damping ratio of the structure, w' is the angular frequency of the additional vibration, < >>Is the phase angle of the additional vibration.
Step 103, obtaining damage coefficients, attenuation coefficients, angular frequencies of damaged fundamental frequencies, phase angles of damaged fundamental frequencies and coupling coefficients of all parts of the ship lock herringbone gate structure, optimizing the vibration monitoring model, generating the optimized vibration monitoring model, calculating optimized part amplitudes, comparing the optimized part amplitudes with vibration thresholds of all parts, and forming a monitoring network by parts corresponding to the optimized part amplitudes exceeding the vibration thresholds.
Specifically, the optimized vibration monitoring model is as follows:
wherein G 'is the optimized part amplitude, D is the damage coefficient, alpha is the attenuation coefficient, w' is the angular frequency of the fundamental frequency after damage,is the phase angle of the fundamental frequency after the impairment.
Specifically, the optimized vibration monitoring model is as follows:
wherein E is a coupling coefficient.
Example 4
The embodiment of the invention also provides electronic equipment, which comprises a processor and a storage medium connected with the processor, wherein the storage medium stores a plurality of instructions, and the instructions can be loaded and executed by the processor so that the processor can execute the networking method of the ship lock herringbone gate structure diversified monitoring points.
Specifically, the electronic device of the present embodiment may be a computer terminal, and the computer terminal may include: one or more processors, and a storage medium.
The storage medium can be used for storing software programs and modules, such as a networking method of the ship lock herringbone gate structure diversity monitoring points in the embodiment of the invention, corresponding program instructions/modules, and the processor executes various functional applications and data processing by running the software programs and the modules stored in the storage medium, so that the networking method of the ship lock herringbone gate structure diversity monitoring points is realized. The storage medium may include a high-speed random access storage medium, and may also include a non-volatile storage medium, such as one or more magnetic storage systems, flash memory, or other non-volatile solid-state storage medium. In some examples, the storage medium may further include a storage medium remotely located with respect to the processor, and the remote storage medium may be connected to the terminal through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The processor may invoke the information stored in the storage medium and the application program via the transmission system to perform the following steps: step 101, obtaining vibration history data of all parts of a ship lock herringbone gate structure, wherein the vibration history data comprises: the amplitude of the fundamental frequency sinusoidal vibration, the angular frequency of the fundamental frequency, the point in time when the vibration occurs, the phase angle of the fundamental frequency, the amplitude of the fundamental frequency cosine vibration, the amplitude of the additional vibration, the damping ratio of the structure, the angular frequency of the additional vibration, and the phase angle of the additional vibration;
specifically, the obtaining vibration history data of each part of the ship lock herringbone gate structure includes:
and acquiring vibration history data of the door leaf, the guide rail, the door wheel, the door post, the connection point between the door leaf and the guide rail and the connection point between the door leaf and the door wheel of the lock herringbone door structure.
102, setting a vibration monitoring model, and calculating the part amplitude of each part of the ship lock lambdoidal door structure according to the vibration history data;
specifically, the vibration monitoring model is as follows:
wherein G is the amplitude of the part, A is the amplitude of sinusoidal vibration at the fundamental frequency, w is the angular frequency of the fundamental frequency, t is the time point when vibration occurs,for the phase angle of the fundamental frequency, B is the amplitude of the cosine vibration of the fundamental frequency, C is the amplitude of the additional vibration, delta is the damping ratio of the structure, w' is the angular frequency of the additional vibration, < >>Is the phase angle of the additional vibration.
Step 103, obtaining damage coefficients, attenuation coefficients, angular frequencies of damaged fundamental frequencies, phase angles of damaged fundamental frequencies and coupling coefficients of all parts of the ship lock herringbone gate structure, optimizing the vibration monitoring model, generating the optimized vibration monitoring model, calculating optimized part amplitudes, comparing the optimized part amplitudes with vibration thresholds of all parts, and forming a monitoring network by parts corresponding to the optimized part amplitudes exceeding the vibration thresholds.
Specifically, the optimized vibration monitoring model is as follows:
wherein G 'is the optimized part amplitude, D is the damage coefficient, alpha is the attenuation coefficient, w' is the angular frequency of the fundamental frequency after damage,is the phase angle of the fundamental frequency after the impairment.
Specifically, the optimized vibration monitoring model is as follows:
wherein E is a coupling coefficient.
In the foregoing embodiments of the present invention, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the embodiments provided in the present invention, it should be understood that the disclosed technology may be implemented in other manners. The system embodiments described above are merely exemplary, and for example, the division of the units is merely a logic function division, and there may be another division manner in actual implementation, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or partly in the form of a software product or all or part of the technical solution, which is stored in a storage medium, and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random-access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or the like, which can store program codes.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (10)
1. The networking method of the ship lock herringbone gate structure diversified monitoring points is characterized by comprising the following steps of:
obtaining vibration history data of each part of a ship lock lambdoidal door structure, wherein the vibration history data comprises: the amplitude of the fundamental frequency sinusoidal vibration, the angular frequency of the fundamental frequency, the point in time when the vibration occurs, the phase angle of the fundamental frequency, the amplitude of the fundamental frequency cosine vibration, the amplitude of the additional vibration, the damping ratio of the structure, the angular frequency of the additional vibration, and the phase angle of the additional vibration;
setting a vibration monitoring model, and calculating the part amplitude of each part of the ship lock lambdoidal door structure according to the vibration history data;
the method comprises the steps of obtaining damage coefficients, attenuation coefficients, angular frequencies of damaged fundamental frequencies, phase angles of damaged fundamental frequencies and coupling coefficients of all parts of a ship lock lambdoidal door structure, optimizing a vibration monitoring model, generating the optimized vibration monitoring model, calculating the optimized part amplitude, comparing the optimized part amplitude with vibration threshold values of all parts, and forming a monitoring network at the part corresponding to the optimized part amplitude exceeding the vibration threshold values.
2. The networking method of the ship lock herringbone gate structure diversity monitoring points according to claim 1, wherein the vibration monitoring model is as follows:
wherein G is the amplitude of the part, A is the amplitude of sinusoidal vibration at the fundamental frequency, w is the angular frequency of the fundamental frequency, t is the time point when vibration occurs,for the phase angle of the fundamental frequency, B is the amplitude of the cosine vibration of the fundamental frequency, C is the amplitude of the additional vibration, delta is the damping ratio of the structure, w' is the angular frequency of the additional vibration, < >>Is the phase angle of the additional vibration.
3. The networking method of the ship lock herringbone gate structure diversity monitoring points according to claim 2, wherein the optimized vibration monitoring model is as follows:
wherein G 'is the optimized part amplitude, D is the damage coefficient, alpha is the attenuation coefficient, w' is the angular frequency of the fundamental frequency after damage,is the phase angle of the fundamental frequency after the impairment.
4. The networking method of the ship lock herringbone gate structure diversity monitoring points according to claim 2, wherein the optimized vibration monitoring model is as follows:
wherein E is a coupling coefficient.
5. The networking method for the diversified monitoring points of the lock-up lambdoidal door structure according to claim 1, wherein the obtaining the vibration history data of each part of the lock-up lambdoidal door structure comprises:
and acquiring vibration history data of the door leaf, the guide rail, the door wheel, the door post, the connection point between the door leaf and the guide rail and the connection point between the door leaf and the door wheel of the lock herringbone door structure.
6. The utility model provides a networking system of diversified monitoring point of lock herringbone gate structure which characterized in that includes:
the acquisition data module is used for acquiring vibration history data of all parts of the ship lock herringbone gate structure, wherein the vibration history data comprise: the amplitude of the fundamental frequency sinusoidal vibration, the angular frequency of the fundamental frequency, the point in time when the vibration occurs, the phase angle of the fundamental frequency, the amplitude of the fundamental frequency cosine vibration, the amplitude of the additional vibration, the damping ratio of the structure, the angular frequency of the additional vibration, and the phase angle of the additional vibration;
the setting model module is used for setting a vibration monitoring model and calculating the part amplitude of each part of the ship lock lambdoidal door structure according to the vibration history data;
the networking module is used for obtaining the damage coefficient, the attenuation coefficient, the angular frequency of the damaged fundamental frequency, the phase angle and the coupling coefficient of the damaged fundamental frequency of the ship lock lambdoidal gate structure, optimizing the vibration monitoring model, generating the optimized vibration monitoring model, calculating the optimized position amplitude, comparing the optimized position amplitude with the vibration threshold value of each position, and forming a monitoring network at the position corresponding to the optimized position amplitude exceeding the vibration threshold value.
7. The networking system of the ship lock herringbone gate structure diversification monitoring points of claim 6, wherein the vibration monitoring model is:
wherein G is the amplitude of the part, A is the amplitude of sinusoidal vibration at the fundamental frequency, w is the angular frequency of the fundamental frequency, t is the time point when vibration occurs,for the phase angle of the fundamental frequency, B is the amplitude of the cosine vibration of the fundamental frequency, C is the amplitude of the additional vibration, delta is the damping ratio of the structure, w' is the angular frequency of the additional vibration, < >>Is the phase angle of the additional vibration.
8. The networking system of the ship lock herringbone gate structure diversity monitoring points of claim 7, wherein the optimized vibration monitoring model is:
wherein G 'is the optimized part amplitude, D is the damage coefficient, alpha is the attenuation coefficient, w' is the angular frequency of the fundamental frequency after damage,is the phase angle of the fundamental frequency after the impairment.
9. The networking system of the ship lock herringbone gate structure diversity monitoring points of claim 7, wherein the optimized vibration monitoring model is:
wherein E is a coupling coefficient.
10. The networking system for the diversified monitoring points of the lock-up chevron door structure of claim 6 wherein said obtaining vibration history data for each portion of the lock-up chevron door structure comprises:
and acquiring vibration history data of the door leaf, the guide rail, the door wheel, the door post, the connection point between the door leaf and the guide rail and the connection point between the door leaf and the door wheel of the lock herringbone door structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310745035.7A CN116878638B (en) | 2023-06-21 | 2023-06-21 | Networking method and system for ship lock herringbone gate structure diversified monitoring points |
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