WO2024252476A1 - Vibration monitoring system, vibration monitoring device, and vibration monitoring method - Google Patents

Abstract

A vibration monitoring system according to the present disclosure comprises: a management device (10) that manages a vibration generation source; a sensing device (20) that executes optical fiber sensing using an optical fiber laid around an area in which the vibration generation source is operated; a first acquisition unit (31) that acquires, from the management device (10), operation data indicating, in time series, the operation state of the vibration generation source; a second acquisition unit (32) that acquires, from the sensing device (20), sensing data indicating a time-series change in the vibration intensity of vibrations detected at each of a plurality of measurement points on the optical fiber by means of the optical fiber sensing; and a processing unit (33) that associates the operation data and the sensing data by performing time synchronization between the operation data and the sensing data.

Description

Vibration monitoring system, vibration monitoring device, and vibration monitoring method

This disclosure relates to a vibration monitoring system, a vibration monitoring device, and a vibration monitoring method.

Large vibrations are generated during civil engineering works such as tunnel construction and road construction, and during the construction of buildings. For example, in tunnel construction using the shield method, excavation is carried out using a shield machine, which generates large vibrations that originate from the shield machine.

As a result, social problems can arise where residents living near construction sites feel stressed, anxious, or even experience a deterioration in their physical condition due to the vibrations generated by the work. For this reason, construction companies often receive complaints about vibrations from nearby residents.

When complaints are reported from nearby residents, the general response of construction companies is to temporarily halt construction. However, halting construction can result in longer construction periods and increased construction costs.

In light of this situation, construction companies need to regularly monitor vibrations around construction sites in order to carry out construction work efficiently and minimize the impact of vibrations on nearby residents.
However, monitoring vibrations around a construction site manually requires a lot of time and money, so there is a growing demand for technology to monitor vibrations generated by construction work without relying on human labor.

For example, Patent Document 1 describes a technology for monitoring vibrations caused by road construction. Specifically, the technology described in Patent Document 1 observes the interference of light transmitted through an optical fiber embedded in or installed alongside a power cable. When road construction is carried out near a power cable, vibrations are generated and distortion occurs in the optical fiber. Therefore, the presence or absence of road construction can be detected by observing the interference of light.

Japanese Patent Application Publication No. 05-180690

As mentioned above, the technology described in Patent Document 1 is capable of detecting whether road construction is taking place. However, the sources of vibration generated during road construction (e.g., bulldozers) are not always in operation, and there are times when they are not in operation.

However, the technology described in Patent Document 1 cannot grasp the operating status of a vibration generating source when vibration occurs around a construction site. Therefore, simply using the technology described in Patent Document 1 does not allow efficient construction work to be carried out while minimizing the impact of vibration on surrounding residents. Therefore, there is a demand for technology that can grasp the operating status of a vibration generating source when vibration occurs around an area where the vibration generating source is operating at a construction site or the like.

In view of the above-mentioned problems, the objective of this disclosure is to provide a vibration monitoring system, a vibration monitoring device, and a vibration monitoring method that can grasp the operating status of a vibration generating source when vibration occurs in the vicinity of the area in which the vibration generating source is operated.

A vibration monitoring system according to one aspect includes:
A management device for managing a vibration source;
a sensing device that performs optical fiber sensing using optical fibers laid around an area in which the vibration generating source is operated;
a first acquisition unit that acquires operation data indicating an operation status of the vibration generation source in a time series from the management device;
a second acquisition unit that acquires sensing data indicating a time series change in vibration intensity of vibration detected at each of a plurality of measurement points on the optical fiber by the optical fiber sensing from the sensing device;
The system further includes a processing unit that associates the operation data with the sensing data by performing time synchronization between the operation data and the sensing data.

A vibration monitoring device according to one aspect includes:
a first acquisition unit that acquires operation data indicating an operation status of the vibration generation source in a time series from a management device that manages the vibration generation source;
a second acquisition unit that acquires, from a sensing device that performs optical fiber sensing using an optical fiber laid around an area in which the vibration generating source is operated, sensing data that indicates a time series change in vibration intensity of vibration detected at each of a plurality of measurement points on the optical fiber by the optical fiber sensing;
The system further includes a processing unit that associates the operation data with the sensing data by performing time synchronization between the operation data and the sensing data.

A vibration monitoring method according to one aspect includes the steps of:
A vibration monitoring method using a vibration monitoring device, comprising:
a first acquisition step of acquiring operation data indicating an operation status of the vibration generation source in a time series from a management device that manages the vibration generation source;
a second acquisition step of acquiring, from a sensing device that performs optical fiber sensing using an optical fiber laid around an area in which the vibration generating source is operated, sensing data indicating a time series change in vibration intensity of vibration detected at each of a plurality of measurement points on the optical fiber by the optical fiber sensing;
The method includes a processing step of associating the operation data with the sensing data by performing time synchronization between the operation data and the sensing data.

The above-mentioned aspects have the advantage of providing a vibration monitoring system, a vibration monitoring device, and a vibration monitoring method that can grasp the operating status of a vibration generating source when vibration occurs in the vicinity of an area in which the vibration generating source is operated.

1 is a diagram illustrating a configuration example of a vibration monitoring system according to a first embodiment; A figure showing an example of the results of associating sensing data indicating the vibration intensity of vibration detected at a certain measurement point with operation data of a shield machine in a processing unit related to embodiments 1 and 2. 4 is a flowchart showing an example of a schematic operation flow of the vibration monitoring device according to the first embodiment. FIG. 11 is a diagram illustrating a configuration example of a vibration monitoring system according to a second embodiment. 13 is a diagram showing an example of a GUI screen that a display control unit according to the second embodiment causes to be displayed on a display unit; FIG. 11 is a flowchart showing an example of a schematic operation flow of a vibration monitoring device according to a second embodiment. A figure showing another example of the result of matching sensing data indicating the vibration intensity of vibration detected at a certain measurement point with operation data of a shield machine in a processing unit related to embodiments 1 and 2. 2 is a block diagram showing an example of a hardware configuration of a computer that realizes the vibration monitoring device according to the first and second embodiments. FIG.

Below, the embodiments of the present disclosure will be described with reference to the drawings. Note that the following description and drawings have been omitted and simplified as appropriate for clarity of explanation. In addition, in each of the following drawings, the same elements are given the same reference numerals, and duplicate explanations are omitted as necessary. In addition, in each of the following embodiments, the vibration source will be described as a vibration source in construction work. However, the vibration source is not limited to a vibration source in construction work, and may be, for example, a vibration source in a factory. In addition, in each of the following embodiments, the type of construction work will be described as tunnel construction, for example, tunnel construction using a blasting method, and the type of vibration source in construction work will be described as a shield machine. Note that the type of construction work is not limited to tunnel construction, and may be, for example, other civil engineering work such as road construction, or construction work for buildings such as buildings. In addition, the type of vibration source is not limited to a shield machine, and may be, for example, other construction vehicles such as bulldozers, power shovels, and dump trucks.

<First embodiment>
First, a configuration example of a vibration monitoring system according to the present embodiment 1 will be described with reference to Fig. 1. As shown in Fig. 1, the vibration monitoring system according to the present embodiment 1 includes a management device 10, a sensing device 20, and a vibration monitoring device 30.

The management device 10 is a device for managing the shield machine, which is a source of vibration in tunnel construction carried out by construction companies. Specifically, the management device 10 manages the operating status of the shield machine, etc.

The sensing device 20 is a device that performs optical fiber sensing using optical fibers laid around the area where the shield machine is operating at the construction site where tunnel construction is being carried out, and is realized, for example, by a DFOS (Distributed Fiber Optic Sensing) device. Specifically, the sensing device 20 performs optical fiber sensing to detect vibrations and the vibration intensity of the vibrations at each of multiple measurement points on the optical fiber. Note that the optical fiber used by the sensing device 20 for optical fiber sensing may be one or multiple.

The vibration monitoring device 30 is a device for monitoring vibrations occurring around the area where the shield machine is operating at a construction site where tunnel construction is being carried out, and is equipped with a first acquisition unit 31, a second acquisition unit 32, and a processing unit 33.

The first acquisition unit 31 is connected to the management device 10 via a wireless or wired line, and acquires from the management device 10 operation data indicating the operation status of the shield machine, which is the source of vibration in tunnel construction, in a chronological order.

The second acquisition unit 32 is connected to the sensing device 20 via a wireless or wired line, and acquires from the sensing device 20 sensing data indicating time-series changes in vibration intensity of vibrations detected at each of multiple measurement points on the optical fiber by optical fiber sensing.

The processing unit 33 correlates the shield machine operation data and the sensing data by performing time synchronization between the shield machine operation data acquired from the management device 10 by the first acquisition unit 31 and the sensing data acquired from the sensing device 20 by the second acquisition unit 32.

FIG. 2 shows an example of the result of matching sensing data indicating the vibration intensity of vibrations detected at a certain measurement point with operation data of the shield machine, performed by the processing unit 33. Note that in the example of FIG. 2, the processing unit 33 classifies the vibration intensity in the sensing data into one of three levels: A or higher, B or higher (A>B), and B or lower, and then matches the sensing data with the operation data. However, this is not limited to this, and the processing unit 33 may match the sensing data with the operation data without classifying the vibration intensity in the sensing data into one of the above levels, leaving it as a raw numerical value.

In the first embodiment, the first acquisition unit 31, the second acquisition unit 32, and the processing unit 33 are provided in the same vibration monitoring device 30, but this is not limited to the above and they may be arranged separately from each other. For example, the first acquisition unit 31, the second acquisition unit 32, and the processing unit 33 may be arranged in separate devices. Furthermore, the first acquisition unit 31, the second acquisition unit 32, and the processing unit 33 may be arranged on the cloud.

Next, an example of a schematic operation flow of the vibration monitoring device 30 according to the first embodiment will be described with reference to FIG.
As shown in FIG. 3, the first acquisition unit 31 acquires operation data indicating the operation status of the shield machine in chronological order from the management device 10 that manages the shield machine, which is a vibration generating source in tunnel construction (step S11).

The second acquisition unit 32 also acquires sensing data indicating time-series changes in vibration intensity of vibrations detected by optical fiber sensing at each of multiple measurement points on the optical fiber from the sensing device 20 that performs optical fiber sensing using optical fiber laid around the area where the shield machine is operating at the construction site where tunnel construction is being carried out (step S12).

The order of steps S11 and S12 may be reversed, with step S11 being performed after step S12. Alternatively, steps S11 and S12 may be performed in parallel, approximately simultaneously.

Then, the processing unit 33 time-synchronizes the shield machine operation data acquired from the management device 10 by the first acquisition unit 31 with the sensing data acquired from the sensing device 20 by the second acquisition unit 32, thereby associating the shield machine operation data with the sensing data (step S13).

As described above, according to the first embodiment, the first acquisition unit 31 acquires operation data indicating the operation status of the shield machine in a time series from the management device 10 that manages the shield machine, which is a vibration generating source in tunnel construction. The second acquisition unit 32 acquires sensing data indicating the time series change in vibration intensity of vibration detected at each of multiple measurement points on the optical fiber by optical fiber sensing from the sensing device 20 that performs optical fiber sensing using optical fiber laid around the area where the shield machine is operated at the construction site where tunnel construction is being carried out. The processing unit 33 associates the shield machine operation data with the sensing data by performing time synchronization between the shield machine operation data acquired from the management device 10 and the sensing data acquired from the sensing device 20.

As a result, it is possible to grasp the operating status of the shield machine when vibrations occur around the area where the shield machine is operating at the construction site where tunnel construction is taking place. This allows construction to proceed efficiently while minimizing the impact of vibrations on surrounding residents. As a result, it is possible to prevent the occurrence of social problems caused by vibrations and to carry out construction work that is safe and secure for surrounding residents.

<Embodiment 2>
Next, a configuration example of a vibration monitoring system according to the second embodiment will be described with reference to Fig. 4. As shown in Fig. 4, the vibration monitoring system according to the second embodiment differs from the configuration of the first embodiment shown in Fig. 1 in that a display unit 40 is added and a display control unit 34 is added inside the vibration monitoring device 30.

The display unit 40 is realized by a display, monitor, etc. Note that in FIG. 4, the display unit 40 is provided outside the vibration monitoring device 30, but this is not limited thereto, and the display unit 40 may be provided inside the vibration monitoring device 30.

The display control unit 34 causes various GUI (Graphical User Interface) screens to be displayed on the display unit 40. In this second embodiment, the display control unit 34 causes each of the multiple measurement points to be displayed on the display unit 40 together with the vibration intensity detected at that measurement point, superimposed on a map. The display control unit 34 also causes the display unit 40 to display the shield machine, which is the source of vibration, together with the operating status of the shield machine, superimposed on a map.

In addition, in the display control unit 34, the positions of each of the multiple measurement points and the position of the optical fiber may be known, or may be acquired from the sensing device 20, for example, at the same time that sensing data is acquired. In addition, in the display control unit 34, the position of the shield machine may be known, or may be acquired from the management device 10, for example, at the same time that operation data is acquired.

FIG. 5 shows an example of a GUI screen that the display control unit 34 causes the display unit 40 to display.
In the example of FIG. 5, each of the multiple measurement points is displayed superimposed on the map in a manner corresponding to the level of vibration intensity detected at that measurement point (similar to FIG. 2, three levels: A or more, B or more (A>B), and B or less). Specifically, each measurement point is displayed with hatching corresponding to the level of vibration intensity. However, the method of displaying vibration intensity at each measurement point in FIG. 5 is one example and is not limited to this. For example, the color or shape of the mark for each measurement point may be changed according to the level of vibration intensity. Alternatively, the numerical value or level of vibration intensity may be displayed in text near each measurement point.

In the example of Figure 5, the shield machine is displayed superimposed on the map in a manner that corresponds to the operation status of the shield machine. Specifically, the shield machine is displayed with hatching that corresponds to the operation status. However, the method of displaying the operation status of the shield machine in Figure 5 is one example and is not limited to this. For example, the color of the shield machine may be changed depending on the operation status, or the shape of the mark may be changed. Or, the operation status may be displayed in text near the shield machine.

Next, an example of a schematic operation flow of the vibration monitoring device 30 according to the second embodiment will be described with reference to FIG.
As shown in FIG. 6, first, the processes of steps S21 to S23 are performed, which are similar to steps S11 to S13 in FIG. 3 of the above-mentioned first embodiment.

Then, the display control unit 34 causes the display unit 40 to display each of the multiple measurement points together with the vibration intensity detected at that measurement point, superimposed on the map. The display control unit 34 also causes the display unit 40 to display the shield machine, which is the source of the vibration, together with the operating status of the shield machine, superimposed on the map (step S24).

As described above, according to the second embodiment, the display control unit 34 causes the display unit 40 to display each of the multiple measurement points together with the vibration intensity detected at that measurement point, superimposed on the map. The display control unit 34 also causes the display unit 40 to display the shield machine, which is the vibration source, together with the operating status of the shield machine, superimposed on the map. This allows the positions of the multiple measurement points and the vibration intensity of the vibration detected at those measurement points to be visually recognized. Also, the position of the shield machine and the operating status of the shield machine can be visually recognized.
The other effects are the same as those of the first embodiment described above.

<Other embodiments>
In the above-described first and second embodiments, the processing unit 33 associated the operation data of the shield machine obtained from the management device 10 with the sensing data obtained from the sensing device 20, but further additional processing may be performed thereafter.

For example, the processing unit 33 may determine the causal relationship between the vibrations detected at each of the multiple measurement points and the operating status of the shield machine based on the results of matching the shield machine's operating data with the sensing data.

Here, in the processing unit 33, the result of associating sensing data indicating the vibration intensity of vibrations detected at a certain measurement point with the operation data of the shield machine is shown in FIG. 2, and the result of associating sensing data indicating the vibration intensity of vibrations detected at a measurement point other than that of FIG. 2 with the operation data of the shield machine is shown in FIG. 7.

At the measurement point in Figure 2, the vibration intensity increases when the shield machine is operating. Therefore, the processing unit 33 determines that vibrations are occurring at the measurement point in Figure 2 due to the influence of the operating status of the shield machine.

On the other hand, at the measurement point in Figure 7, the vibration intensity is large regardless of the operating status of the shield machine. Therefore, the processing unit 33 determines that vibration is occurring at the measurement point in Figure 7 without being affected by the operating status of the shield machine.

In addition, the processing unit 33 may identify, among the multiple measurement points, a measurement point that is not affected by the operating status of the shield machine and where a vibration intensity equal to or greater than a threshold value is detected, based on the results of the causal relationship determination described above.

Here, since the measurement points identified as described above are experiencing large vibrations without being affected by the operating status of the shield machine, it is believed that an abnormality such as ground subsidence has occurred or that there are signs of such an abnormality occurring. Therefore, the processing unit 33 may determine that an abnormality has occurred or that there are signs of an abnormality occurring at the measurement points identified as described above. For example, if "A" in FIG. 7 is the threshold value, the processing unit 33 identifies the measurement points in FIG. 7 as measurement points that are not affected by the operating status of the shield machine and where vibration intensity equal to or greater than the threshold value has been detected, and determines that an abnormality has occurred or that there are signs of an abnormality occurring at the measurement points in FIG. 7.

The processing unit 33 may also control the shield machine based on the results of the causal relationship determination described above. For example, the processing unit 33 may control the strength of the vibrations generated by the shield machine, the intervals between vibration occurrences, etc. This allows the results of the causal relationship determination described above to be fed back to the construction work.

<Hardware configuration of vibration monitoring device according to embodiment>
Next, an example of the hardware configuration of a computer 90 that realizes the vibration monitoring device 30 according to the above-mentioned first and second embodiments will be described with reference to FIG.

As shown in FIG. 8, the computer 90 includes a processor 91, a memory 92, a storage 93, an input/output interface (input/output I/F) 94, and a communication interface (communication I/F) 95. The processor 91, the memory 92, the storage 93, the input/output interface 94, and the communication interface 95 are connected by a data transmission path for transmitting and receiving data to and from each other.

The processor 91 is, for example, an arithmetic processing device such as a CPU (Central Processing Unit) or a GPU (Graphics Processing Unit). The memory 92 is, for example, a memory such as a RAM (Random Access Memory) or a ROM (Read Only Memory). The storage 93 is, for example, a storage device such as a HDD (Hard Disk Drive), an SSD (Solid State Drive), or a memory card. The storage 93 may also be a memory such as a RAM or ROM.

Storage 93 stores programs that realize the functions of the components of vibration monitoring device 30. Processor 91 executes each of these programs to realize the functions of each of the components of vibration monitoring device 30. When executing each of the above programs, processor 91 may read these programs onto memory 92 before executing them, or may execute them without reading them onto memory 92. Memory 92 and storage 93 also serve to store information and data held by the components of vibration monitoring device 30.

The above-mentioned program may also be stored and supplied to a computer (including computer 90) using various types of non-transitory computer readable medium. Non-transitory computer readable medium includes various types of tangible storage medium. Examples of non-transitory computer readable medium include magnetic recording media (e.g., flexible disks, magnetic tapes, hard disk drives), magneto-optical recording media (e.g., magneto-optical disks), Compact Disc-ROM (CD-ROM), CD-Recordable (CD-R), CD-ReWritable (CD-R/W), and semiconductor memory (e.g., mask ROM, Programmable ROM (PROM), Erasable PROM (EPROM), flash ROM, RAM). The program may also be supplied to a computer by various types of transitory computer readable medium. Examples of transitory computer readable medium include electrical signals, optical signals, and electromagnetic waves. The temporary computer-readable medium can provide the program to the computer via a wired communication path, such as an electric wire or optical fiber, or via a wireless communication path.

The input/output interface 94 is connected to a display device 941, an input device 942, a sound output device 943, etc. The display device 941 is a device that displays a screen corresponding to drawing data processed by the processor 91, such as an LCD (Liquid Crystal Display), a CRT (Cathode Ray Tube) display, or a monitor. The input device 942 is a device that accepts operational input from an operator, such as a keyboard, a mouse, or a touch sensor. The display device 941 and the input device 942 may be integrated and realized as a touch panel. The sound output device 943 is a device that acoustically outputs sound corresponding to the audio data processed by the processor 91, such as a speaker.

The communication interface 95 transmits and receives data to and from an external device. For example, the communication interface 95 communicates with the external device via a wired communication path or a wireless communication path.

Although the present disclosure has been described above with reference to the embodiments, the present disclosure is not limited to the above-described embodiments. Various modifications that can be understood by a person skilled in the art can be made to the configuration and details of the present disclosure within the scope of the present disclosure.
For example, the above-described embodiments may be used in combination with one another in whole or in part.

Furthermore, some or all of the above-described embodiments can be described as, but are not limited to, the following supplementary notes.
(Appendix 1)
A management device for managing a vibration source;
a sensing device that performs optical fiber sensing using optical fibers laid around an area in which the vibration generating source is operated;
a first acquisition unit that acquires operation data indicating an operation status of the vibration generation source in a time series from the management device;
a second acquisition unit that acquires sensing data indicating a time series change in vibration intensity of vibration detected at each of a plurality of measurement points on the optical fiber by the optical fiber sensing from the sensing device;
a processing unit that associates the operation data with the sensing data by performing time synchronization between the operation data and the sensing data,
Vibration monitoring system.
(Appendix 2)
The processing unit determines a causal relationship between the vibration detected at each of the plurality of measurement points and an operating status of the vibration generation source based on a result of the association.
2. The vibration monitoring system of claim 1.
(Appendix 3)
The processing unit, based on a result of the determination of the causal relationship, identifies a measurement point among the plurality of measurement points that is not affected by the operating status of the vibration generation source and at which a vibration intensity equal to or greater than a threshold value is detected, and determines that an abnormality has occurred or there is a sign of an abnormality occurring at the identified measurement point.
3. The vibration monitoring system of claim 2.
(Appendix 4)
a display control unit that causes each of the plurality of measurement points to be superimposed on a map together with vibration intensities detected at the measurement points to be displayed on a display unit, and causes the vibration generation source to be superimposed on the map together with an operation status of the vibration generation source to be displayed on the display unit.
2. The vibration monitoring system of claim 1.
(Appendix 5)
the display control unit causes each of the plurality of measurement points to be superimposed on the map in a manner corresponding to a level of vibration intensity detected at the measurement point, and causes the display unit to display the vibration generation source in a manner corresponding to an operation status of the vibration generation source in a manner superimposed on the map.
5. The vibration monitoring system of claim 4.
(Appendix 6)
The processing unit controls the vibration generation source based on a result of the determination of the causal relationship.
3. The vibration monitoring system of claim 2.
(Appendix 7)
a first acquisition unit that acquires operation data indicating an operation status of the vibration generation source in a time series from a management device that manages the vibration generation source;
a second acquisition unit that acquires, from a sensing device that performs optical fiber sensing using an optical fiber laid around an area in which the vibration generating source is operated, sensing data that indicates a time series change in vibration intensity of vibration detected at each of a plurality of measurement points on the optical fiber by the optical fiber sensing;
a processing unit that associates the operation data with the sensing data by performing time synchronization between the operation data and the sensing data,
Vibration monitoring device.
(Appendix 8)
The processing unit determines a causal relationship between the vibration detected at each of the plurality of measurement points and an operating status of the vibration generation source based on a result of the association.
8. The vibration monitoring device of claim 7.
(Appendix 9)
The processing unit, based on a result of the determination of the causal relationship, identifies a measurement point among the plurality of measurement points that is not affected by the operating status of the vibration generation source and at which a vibration intensity equal to or greater than a threshold value is detected, and determines that an abnormality has occurred or there is a sign of an abnormality occurring at the identified measurement point.
9. The vibration monitoring device of claim 8.
(Appendix 10)
a display control unit that causes each of the plurality of measurement points to be superimposed on a map together with vibration intensities detected at the measurement points to be displayed on a display unit, and causes the vibration generation source to be superimposed on the map together with an operation status of the vibration generation source to be displayed on the display unit.
8. The vibration monitoring device of claim 7.
(Appendix 11)
the display control unit causes each of the plurality of measurement points to be superimposed on the map in a manner corresponding to a level of vibration intensity detected at the measurement point, and causes the display unit to display the vibration generation source in a manner corresponding to an operation status of the vibration generation source in a manner superimposed on the map.
11. The vibration monitoring device of claim 10.
(Appendix 12)
The processing unit controls the vibration generation source based on a result of the determination of the causal relationship.
9. The vibration monitoring device of claim 8.
(Appendix 13)
A vibration monitoring method using a vibration monitoring device, comprising:
a first acquisition step of acquiring operation data indicating an operation status of the vibration generation source in a time series from a management device that manages the vibration generation source;
a second acquisition step of acquiring, from a sensing device that performs optical fiber sensing using an optical fiber laid around an area in which the vibration generating source is operated, sensing data indicating a time series change in vibration intensity of vibration detected at each of a plurality of measurement points on the optical fiber by the optical fiber sensing;
A processing step of associating the operation data with the sensing data by performing time synchronization between the operation data and the sensing data.
Vibration monitoring methods.
(Appendix 14)
In the processing step, a causal relationship between the vibration detected at each of the plurality of measurement points and an operating state of the vibration generation source is determined based on a result of the pre-association.
14. The vibration monitoring method of claim 13.
(Appendix 15)
In the processing step, based on the result of the determination of the causal relationship, a measurement point that is not affected by the operating status of the vibration generation source and at which a vibration intensity equal to or greater than a threshold is detected is identified from among the plurality of measurement points, and it is determined that an abnormality has occurred or there is a sign of an abnormality occurring at the identified measurement point.
15. The vibration monitoring method of claim 14.
(Appendix 16)
a display control step of displaying each of the plurality of measurement points together with vibration intensities detected at the measurement points on a map in a superimposed manner on a display unit, and displaying the vibration generation source together with an operation status of the vibration generation source on the display unit in a superimposed manner on the map.
14. The vibration monitoring method of claim 13.
(Appendix 17)
In the display control step, each of the plurality of measurement points is displayed on the display unit in a manner corresponding to a level of vibration intensity detected at the measurement point, superimposed on the map, and the vibration source is displayed on the display unit in a manner corresponding to an operation status of the vibration source, superimposed on the map.
17. The vibration monitoring method of claim 16.
(Appendix 18)
In the processing step, the vibration generation source is controlled based on the result of the determination of the causal relationship.
15. The vibration monitoring method of claim 14.

The present disclosure can also be used for the following purposes, for example.
- A device for managing vibrations caused by construction work. For example, an operation management device for managing the operation of heavy construction machinery.
- Devices that manage vibrations caused by train movements, such as traffic management devices that manage train operations.
- Devices that control vibrations caused by factory machinery. For example, operation control devices that control factory operations.
A device for managing vibrations caused by vehicles, such as a vehicle traffic management device for managing the traffic of vehicles on a road.
・Systems that manage vibrations related to human activities, such as attendance management systems.

REFERENCE SIGNS LIST 10 Management device 20 Sensing device 30 Vibration monitoring device 31 First acquisition unit 32 Second acquisition unit 33 Processing unit 34 Display control unit 40 Display unit 90 Computer 91 Processor 92 Memory 93 Storage 94 Input/output interface 941 Display device 942 Input device 943 Sound output device 95 Communication interface

Claims (18)

A management device for managing a vibration source;
a sensing device that performs optical fiber sensing using optical fibers laid around an area in which the vibration generating source is operated;
a first acquisition unit that acquires operation data indicating an operation status of the vibration generation source in a time series from the management device;
a second acquisition unit that acquires sensing data indicating a time series change in vibration intensity of vibration detected at each of a plurality of measurement points on the optical fiber by the optical fiber sensing from the sensing device;
a processing unit that associates the operation data with the sensing data by performing time synchronization between the operation data and the sensing data,
Vibration monitoring system. The processing unit determines a causal relationship between the vibration detected at each of the plurality of measurement points and an operating status of the vibration generation source based on a result of the association.
The vibration monitoring system of claim 1 . The processing unit, based on a result of the determination of the causal relationship, identifies a measurement point among the plurality of measurement points that is not affected by the operating status of the vibration generation source and at which a vibration intensity equal to or greater than a threshold value is detected, and determines that an abnormality has occurred or there is a sign of an abnormality occurring at the identified measurement point.
The vibration monitoring system of claim 2 . a display control unit that causes each of the plurality of measurement points to be superimposed on a map together with vibration intensities detected at the measurement points to be displayed on a display unit, and causes the vibration generation source to be superimposed on the map together with an operation status of the vibration generation source to be displayed on the display unit.
The vibration monitoring system of claim 1 . the display control unit causes each of the plurality of measurement points to be superimposed on the map in a manner corresponding to a level of vibration intensity detected at the measurement point, and causes the display unit to display the vibration generation source in a manner corresponding to an operation status of the vibration generation source in a manner superimposed on the map.
The vibration monitoring system of claim 4. The processing unit controls the vibration generation source based on a result of the determination of the causal relationship.
The vibration monitoring system of claim 2 . a first acquisition unit that acquires operation data indicating an operation status of the vibration generation source in a time series from a management device that manages the vibration generation source;
a second acquisition unit that acquires, from a sensing device that performs optical fiber sensing using an optical fiber laid around an area in which the vibration generating source is operated, sensing data that indicates a time series change in vibration intensity of vibration detected at each of a plurality of measurement points on the optical fiber by the optical fiber sensing;
a processing unit that associates the operation data with the sensing data by performing time synchronization between the operation data and the sensing data,
Vibration monitoring device. The processing unit determines a causal relationship between the vibration detected at each of the plurality of measurement points and an operating status of the vibration generation source based on a result of the association.
8. A vibration monitoring device according to claim 7. The processing unit, based on a result of the determination of the causal relationship, identifies a measurement point among the plurality of measurement points that is not affected by the operating status of the vibration generation source and at which a vibration intensity equal to or greater than a threshold value is detected, and determines that an abnormality has occurred or there is a sign of an abnormality occurring at the identified measurement point.
9. A vibration monitoring device according to claim 8. a display control unit that causes each of the plurality of measurement points to be superimposed on a map together with vibration intensities detected at the measurement points to be displayed on a display unit, and causes the vibration generation source to be superimposed on the map together with an operation status of the vibration generation source to be displayed on the display unit.
8. A vibration monitoring device according to claim 7. the display control unit causes each of the plurality of measurement points to be superimposed on the map in a manner corresponding to a level of vibration intensity detected at the measurement point, and causes the display unit to display the vibration generation source in a manner corresponding to an operation status of the vibration generation source in a manner superimposed on the map.
A vibration monitoring device according to claim 10. The processing unit controls the vibration generation source based on a result of the determination of the causal relationship.
9. A vibration monitoring device according to claim 8. A vibration monitoring method using a vibration monitoring device, comprising:
a first acquisition step of acquiring operation data indicating an operation status of the vibration generation source in a time series from a management device that manages the vibration generation source;
a second acquisition step of acquiring, from a sensing device that performs optical fiber sensing using an optical fiber laid around an area in which the vibration generating source is operated, sensing data indicating a time series change in vibration intensity of vibration detected at each of a plurality of measurement points on the optical fiber by the optical fiber sensing;
A processing step of associating the operation data with the sensing data by performing time synchronization between the operation data and the sensing data.
Vibration monitoring methods. In the processing step, a causal relationship between the vibration detected at each of the plurality of measurement points and an operating state of the vibration generation source is determined based on a result of the pre-association.
The vibration monitoring method according to claim 13. In the processing step, based on the result of the determination of the causal relationship, a measurement point that is not affected by the operating status of the vibration generation source and at which a vibration intensity equal to or greater than a threshold is detected is identified from among the plurality of measurement points, and it is determined that an abnormality has occurred or there is a sign of an abnormality occurring at the identified measurement point.
The vibration monitoring method according to claim 14. a display control step of displaying each of the plurality of measurement points together with vibration intensities detected at the measurement points on a map in a superimposed manner on a display unit, and displaying the vibration generation source together with an operation status of the vibration generation source on the display unit in a superimposed manner on the map.
The vibration monitoring method according to claim 13. In the display control step, each of the plurality of measurement points is displayed on the display unit in a manner corresponding to a level of vibration intensity detected at the measurement point, superimposed on the map, and the vibration source is displayed on the display unit in a manner corresponding to an operation status of the vibration source, superimposed on the map.
17. The vibration monitoring method of claim 16. In the processing step, the vibration generation source is controlled based on the result of the determination of the causal relationship.
The vibration monitoring method according to claim 14.

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