CN117278116A - Fault diagnosis method and system for optical fiber jumper - Google Patents
Fault diagnosis method and system for optical fiber jumper Download PDFInfo
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000003745 diagnosis Methods 0.000 title claims abstract description 19
- 238000012360 testing method Methods 0.000 claims description 92
- 230000003287 optical effect Effects 0.000 claims description 51
- 238000001514 detection method Methods 0.000 claims description 42
- 230000002159 abnormal effect Effects 0.000 claims description 30
- 230000009467 reduction Effects 0.000 claims description 27
- 239000011159 matrix material Substances 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000012216 screening Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 9
- 230000000977 initiatory effect Effects 0.000 description 7
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000011664 signaling Effects 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002547 anomalous effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
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- 238000003032 molecular docking Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
- H04B10/0771—Fault location on the transmission path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
- H04B10/0775—Performance monitoring and measurement of transmission parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
- H04B10/0779—Monitoring line transmitter or line receiver equipment
Abstract
The invention discloses a fault diagnosis method and system for an optical fiber jumper, and belongs to the technical field of optical fiber communication technology and operation and maintenance. According to the invention, through a plurality of data dimensions, the fault judgment of the optical fiber jumper is realized, so that the non-monitoring property of the connection of the optical fiber jumper and equipment is avoided, and the operation and maintenance efficiency is improved; by performing fault positioning, the fault position can be determined more quickly, so that the operation and maintenance efficiency is further improved; the fault judgment is realized through a plurality of data dimensions, and compared with a single dimension, the accuracy of the fault judgment is improved.
Description
Technical Field
The invention relates to the technical field of optical fiber communication and operation and maintenance, in particular to a fault diagnosis method and system for an optical fiber jumper.
Background
Optical fiber jumpers (also known as optical fiber connectors) are a type of patch cord used for routing links from equipment to optical fibers, and are generally used for connection between an optical transceiver and a terminal box, and are mainly applied to the fields of optical fiber communication systems, optical fiber access networks, optical fiber data transmission, local area networks and the like.
Before the optical fiber jumper leaves the factory, both ends of the optical fiber jumper can be connected to the insertion loss return loss tester, and the insertion loss and return loss of the optical fiber jumper are detected in batches by using the insertion loss return loss tester. However, in practical applications, when one end of the optical fiber jumper is connected to a device (such as a terminal box), the optical path docking effect of the one end of the optical fiber jumper cannot be tested by the insertion loss return loss tester. Once the abnormal optical path communication caused by the fact that the optical fiber jumper is not in place in the butt joint of the equipment occurs, people can hardly observe and judge the abnormal optical path communication through naked eyes, and the problem that an optical path is built again through replacing new optical components is solved, so that the non-monitoring property of the connection of the optical fiber jumper and the equipment brings unnecessary waste to the construction and the fault elimination of the optical path.
Disclosure of Invention
In order to solve the problems in the prior art, the embodiment of the invention provides a fault diagnosis method and a fault diagnosis system for an optical fiber jumper. The technical scheme is as follows:
in a first aspect, a fault diagnosis method for an optical fiber jumper is provided, the method comprising:
transmitting test data to the first end of the optical fiber jumper through the test module, and receiving feedback data fed back by the second end of the optical fiber jumper, wherein the feedback data is generated based on the test data; the test module is respectively connected with the first end and the second end; the test module comprises an optical eye diagram instrument, an optical power meter, an error rate tester, an optical time domain reflectometer and an optical return loss tester;
setting the data dimension of the feedback data according to the number of the devices in the test module;
based on correlation coefficients of data corresponding to a plurality of data dimensions, acquiring fault description data corresponding to the feedback data according to a PCA algorithm;
judging whether the optical fiber jumper fails according to the failure description data;
and after the optical fiber jumper is judged to have faults, fault positioning is carried out according to the feedback data.
Optionally, before the test module transmits the test data to the first end of the optical fiber jumper and receives the feedback data fed back by the second end of the optical fiber jumper, the method further includes:
through the second end, the transmission data is monitored in real time;
when the transmission data meets a trigger condition, the second end initiates a detection request;
and according to the detection request, the test module transmits test data to the first end of the optical fiber jumper and receives feedback data fed back by the second end of the optical fiber jumper.
Optionally, the setting the data dimension of the feedback data according to the number of devices in the test module includes:
screening the feedback data based on the abnormal data to obtain screened feedback data;
and setting the data dimension of the feedback data according to the number of source equipment of the data contained in the screened feedback data.
Optionally, before the filtering the feedback data based on the abnormal data to obtain the filtered feedback data, the method further includes:
carrying out noise reduction treatment on all data in the feedback data to obtain feedback data after the noise reduction treatment;
based on the abnormal time, performing erroneous judgment and identification on the feedback data after the noise reduction processing;
and after judging that the feedback data after the noise reduction processing has no misjudgment, continuing to execute the step of screening the feedback data based on the abnormal data to obtain screened feedback data.
Optionally, the filtering the feedback data based on the abnormal data to obtain filtered feedback data includes:
screening the feedback data based on the abnormal data to obtain screened feedback data; the filtered feedback data includes the anomaly data and data associated with the anomaly data.
Optionally, the method includes:
and acquiring the correlation coefficient of the data corresponding to the data dimensions according to the description data of the data corresponding to the data dimensions.
Optionally, the obtaining, based on the correlation coefficients of the data corresponding to the plurality of data dimensions and according to the PCA algorithm, the fault description data corresponding to the feedback data includes:
calculating a correlation coefficient matrix according to the correlation coefficient;
and according to the correlation coefficient matrix, performing dimension reduction on the feedback data based on the PCA algorithm to obtain fault description data.
Optionally, the determining whether the optical fiber jumper fails according to the fault description data includes:
setting a plurality of fault judgment models based on a depth recognition algorithm;
setting a plurality of fault description data meeting the correlation coefficient condition as input parameters of the fault judgment model, wherein the output of the fault judgment model is a fault reason;
setting a decision model, inputting a plurality of fault reasons output by the plurality of fault judgment models into the decision model, and outputting final fault reasons.
Optionally, the fault locating according to the feedback data includes:
determining a fault interval according to the fault description data;
and optimizing the fault interval and determining the fault position.
In a second aspect, a fault diagnosis system for an optical fiber jumper is provided, the system comprising;
the test module is connected with the optical fiber through a first end and a second end respectively;
the test module is used for transmitting test data to the first end of the optical fiber jumper and receiving feedback data fed back by the second end of the optical fiber jumper, and the feedback data is generated based on the test data; the test module is respectively connected with the first end and the second end; the test module comprises an optical eye diagram instrument, an optical power meter, an error rate tester, an optical time domain reflectometer and an optical return loss tester;
the detection module is used for setting the data dimension of the feedback data according to the number of the devices in the test module;
the detection module is also used for acquiring fault description data corresponding to the feedback data according to a PCA algorithm based on correlation coefficients of data corresponding to a plurality of data dimensions;
the detection module is also used for judging whether the optical fiber jumper fails or not according to the failure description data;
and the detection module is also used for carrying out fault positioning according to the feedback data after judging that the optical fiber jumper fails.
Optionally, the test module is further configured to:
through the second end, the transmission data is monitored in real time;
when the transmission data meets a trigger condition, the second end initiates a detection request;
and according to the detection request, the test module transmits test data to the first end of the optical fiber jumper and receives feedback data fed back by the second end of the optical fiber jumper.
Optionally, the detection module is specifically configured to:
screening the feedback data based on the abnormal data to obtain screened feedback data;
and setting the data dimension of the feedback data according to the number of source equipment of the data contained in the screened feedback data.
Optionally, the detection module is further specifically configured to:
carrying out noise reduction treatment on all data in the feedback data to obtain feedback data after the noise reduction treatment;
based on the abnormal time, performing erroneous judgment and identification on the feedback data after the noise reduction processing;
and after judging that the feedback data after the noise reduction processing has no misjudgment, continuing to execute the step of screening the feedback data based on the abnormal data to obtain screened feedback data.
Optionally, the detection module is specifically configured to:
screening the feedback data based on the abnormal data to obtain screened feedback data; the filtered feedback data includes the anomaly data and data associated with the anomaly data.
Optionally, the detection module is specifically configured to:
and acquiring the correlation coefficient of the data corresponding to the data dimensions according to the description data of the data corresponding to the data dimensions.
Optionally, the detection module is specifically configured to:
calculating a correlation coefficient matrix according to the correlation coefficient;
and according to the correlation coefficient matrix, performing dimension reduction on the feedback data based on the PCA algorithm to obtain fault description data.
Optionally, the detection module is specifically configured to:
setting a plurality of fault judgment models based on a depth recognition algorithm;
setting a plurality of fault description data meeting the correlation coefficient condition as input parameters of the fault judgment model, wherein the output of the fault judgment model is a fault reason;
setting a decision model, inputting a plurality of fault reasons output by the plurality of fault judgment models into the decision model, and outputting final fault reasons.
Optionally, the detection module is specifically configured to:
determining a fault interval according to the fault description data;
and optimizing the fault interval and determining the fault position.
The technical scheme provided by the invention has the following beneficial effects:
transmitting test data to the first end of the optical fiber jumper through the test module, and receiving feedback data fed back by the second end of the optical fiber jumper, wherein the feedback data is generated based on the test data; the test module is respectively connected with the first end and the second end; the test module comprises an optical eye diagram instrument, an optical power meter, an error rate tester, an optical time domain reflectometer and an optical return loss tester;
setting the data dimension of the feedback data according to the number of the devices in the test module;
1. through a plurality of data dimensions, the monitoring and fault judgment of the optical fiber jumper are realized, so that the non-monitoring property of the connection of the optical fiber jumper and equipment is avoided, and the operation and maintenance efficiency is improved;
2. through fault location, the fault position can be determined more quickly, and therefore operation and maintenance efficiency is further improved.
3. The fault judgment is realized through a plurality of data dimensions, and compared with a single dimension, the accuracy of the fault judgment is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a fault diagnosis method for an optical fiber jumper according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a fault diagnosis method for an optical fiber jumper according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a fault diagnosis system for an optical fiber jumper according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, in practical application, the fault diagnosis method for the optical fiber jumper provided by the embodiment of the invention is implemented through a test module, and the connection position of the test module to the two ends of the optical fiber can be customized, specifically:
dividing an optical fiber into a plurality of optical fibers according to a preset rule (such as based on the optical fibers between preset distances or the optical fibers between an optical transceiver and a terminal box), and connecting two ends of the optical fibers by a test module for the optical fibers meeting preset conditions in the plurality of optical fibers.
For the optical fiber link, a plurality of test modules or a plurality of connection points can be arranged, the plurality of test modules are connected through a server, the plurality of connection points are respectively arranged at two ends of the optical fiber and used for connecting the two ends of the test module, the connection points are also provided with a communication module and a signal detection module, and after the signal detection module detects an optical fiber signal, the communication module sends a signaling to the server;
in practical application, the test module may be configured with a communication module, and the test module may be connected to the connection point through the communication module.
The optical fiber with preset conditions in the embodiment of the invention can be an optical fiber which is set manually, or can be an optical fiber which is judged to have failed according to failure history data or operation and maintenance history data, and the embodiment of the invention does not limit specific preset rules and preset conditions.
Referring to fig. 1, there is provided a fault diagnosis method for an optical fiber jumper, the method comprising:
101. transmitting test data to the first end of the optical fiber jumper through the test module, and receiving feedback data fed back by the second end of the optical fiber jumper;
specifically, the process may be:
after the test module meets the preset condition, initiating test data, namely initiating the test data to the first end, and receiving feedback data by the second end, wherein in practical application, the process can be as follows:
the test module initiates test data to the optical fiber link, namely, the test data is electrically initiated through a certain connection on the optical fiber link, and after receiving the test data, all other connection points in the transmission direction of the optical fiber link send signaling to the server; it should be noted that, in order to avoid signal loss, the connection mode between the test module and the first end is a wired connection.
Acquiring a connection point of a non-transmitted signaling; setting the last connection point corresponding to the connection point which does not send the signaling as a second end, and connecting the second end through a communication module.
The specific process of initiating the test data is as follows:
the test data, such as 1dBm, is initiated to the first end according to a preset step length, and the embodiment of the invention does not limit the specific step length.
Setting the transmitting power of the output optical signal for a signal source initiating the test data, and increasing the transmitting power from low transmitting power to high transmitting power; for example, increasing from-35 dBm to-10 dBm, the above power values are merely exemplary, and embodiments of the present invention are not limited to specific power values.
After the test data reaches the second end, the test data fed back by the second end through the communication module is received and used as feedback data.
Wherein the feedback data is generated based on the test data; the test module is respectively connected with the first end and the second end; the test module comprises an optical eye diagram instrument, an optical power meter, an error rate tester, an optical time domain reflectometer and an optical return loss tester; the devices included in the test module are merely exemplary, and other devices may be included in the actual application.
If the feedback data fed back by the second end indicates that there is no fault between the first end and the second end, the output fault point is located between the second end and the next connection point of the second end;
and resetting the second end to be the first end, and the next connection point of the second end to be the second end, and continuing to execute step 101.
102. Setting the data dimension of feedback data according to the number of the devices in the test module;
103. based on the correlation coefficients of the data corresponding to the data dimensions, acquiring fault description data corresponding to the feedback data according to a PCA algorithm;
104. judging whether the optical fiber jumper fails according to the failure description data;
105. and after the optical fiber jumper is judged to be faulty, fault positioning is performed according to the feedback data.
Optionally, before the step 101 of transmitting test data to the first end of the optical fiber patch cord through the test module and receiving feedback data fed back by the second end of the optical fiber patch cord, the method further includes:
106. monitoring transmission data in real time through the second end;
specifically, the second end communicates with a data initiating end and a data receiving end connected with the optical fiber;
acquiring transmission data sent by a data initiating terminal of the transmission data;
acquiring receiving data sent by a data initiating terminal of the transmission data;
from the test data and the received data, a bit error rate is calculated, and the process may be:
the multiple connection points respectively calculate the error rate in real time and transmit the error rate to a server;
the server judges whether the triggering condition is met according to the plurality of error rates, specifically:
setting a current transmission period;
the average value of the error rate of the current transmission period is evaluated in real time, and in practical application, the calculation process of the average value of the error rate of the current transmission period is as follows:
bit error rate mean = sum of bit errors/bit error rate sample time sum.
And if the error rate is more than or equal to 10-12, judging that the triggering condition is met.
107. When the transmission data meets the triggering condition, the second end initiates a detection request;
specifically, the second end initiates the detection request including:
the second end initiates a detection request to the server, wherein the detection request at least comprises the identification of the second end or the connection point and the identification of the optical fiber link;
the server transmits an operation task to the test module according to the detection request;
and the test module executes step 101 after verifying the identification of the second end or the connection point and the identification of the optical fiber link according to the operation and maintenance task.
108. According to the detection request, the process of transmitting the test data to the first end of the optical fiber jumper through the test module and receiving the feedback data fed back by the second end of the optical fiber jumper in step 101 is executed.
Optionally, referring to fig. 2, step 102, setting the data dimension of the feedback data according to the number of devices in the test module includes:
201. screening the feedback data based on the abnormal data to obtain screened feedback data;
202. and setting the data dimension of the feedback data according to the number of source equipment of the data contained in the screened feedback data.
Specifically, the process may be:
acquiring characteristic parameters of data output by an optical eye diagram instrument, an optical power meter, an error rate tester, an optical time domain reflectometer and an optical return loss tester; the characteristic parameter is used for indicating a description object of data output by the instrument, for example, the characteristic parameter of the optical power meter indicates that the description object is optical power, and the characteristic parameter of the error rate tester indicates that the description object is error rate;
evaluating whether the descriptive objects are the same or similar according to the characteristic parameters; if the object is a time domain and a frequency domain, the objects are similar;
setting similar or identical objects as the same dimension, and setting the other objects as one dimension according to the objects; obtaining the number of final devices;
and setting the data dimension of the feedback data according to the number of the final devices.
Optionally, step 201 filters the feedback data based on the abnormal data, and before obtaining the filtered feedback data, the method further includes:
203. carrying out noise reduction treatment on all data in the feedback data to obtain feedback data after the noise reduction treatment;
performing quadrature demodulation on the original signal of the feedback data to obtain demodulated data;
stacking the demodulated data according to the time sequence of the light pulses to form a two-dimensional matrix;
performing rapid discrete curvelet transformation and scale decomposition on the two-dimensional matrix to obtain a curvelet coefficient matrix;
threshold processing is carried out on the corresponding sub-matrix blocks in each direction of each scale, and a processed curvelet coefficient matrix is obtained;
performing fast discrete inverse curvelet transform on the processed curvelet coefficient matrix to obtain a transformed matrix; and moving difference is carried out by utilizing the transformed matrix, the disturbance position on the optical fiber is determined by using the amplitude difference between the back scattering signals generated by the light pulses with different time, the noise reduction processing is realized, and the feedback data after the noise reduction processing is acquired.
204. Based on the abnormal time, performing erroneous judgment and identification on the feedback data after the noise reduction treatment;
specifically, for abnormal data corresponding to any device, the process of screening the feedback data to obtain screened feedback data may be:
setting abnormal time;
detecting feedback data of continuous abnormality occurrence in the abnormal time; the feedback data is marked as anomalous data.
And after judging that the feedback data after the noise reduction processing has no misjudgment, continuing to execute step 201 to screen the feedback data based on the abnormal data to obtain screened feedback data.
Optionally, step 201 filters the feedback data based on the abnormal data, and the obtaining the filtered feedback data includes:
screening the feedback data based on the abnormal data to obtain screened feedback data; the filtered feedback data includes anomaly data and data associated with the anomaly data.
Optionally, the method comprises:
and acquiring the correlation coefficient of the data corresponding to the data dimensions according to the description data of the data corresponding to the data dimensions.
Acquiring description data of data corresponding to a plurality of data dimensions;
according to the description data, testing the importance degree of the data corresponding to the description data;
calculating statistic characteristics of data corresponding to the plurality of data dimensions;
text recognition is carried out on the description data, and data representation contents indicated by data corresponding to at least two description data are obtained;
classifying the data representing the similarity of the content; acquiring data of a plurality of categories;
and calculating the correlation coefficient of the data of the multiple categories according to the statistic characteristics corresponding to the data of the multiple categories.
Optionally, step 103 includes, based on correlation coefficients of data corresponding to the plurality of data dimensions, obtaining fault description data corresponding to the feedback data according to a PCA algorithm:
301. calculating a correlation coefficient matrix according to the correlation coefficient;
302. and according to the correlation coefficient matrix, performing dimension reduction on the feedback data based on a PCA algorithm to obtain fault description data.
Setting an original matrix of data corresponding to the plurality of data dimensions;
performing standardization processing on the original matrix to obtain a covariance matrix;
calculating eigenvalues and eigenvectors of the covariance matrix according to the correlation coefficient;
calculating principal component data among the plurality of data, and calculating a principal component data contribution rate;
setting a main component data, obtaining main component data corresponding to the main component data based on a threshold value of the contribution rate of the main component data, deleting other data, and reducing the dimension of the feedback data to obtain fault description data.
Optionally, step 104 includes determining, according to the fault description data, whether the optical fiber jumper fails or not:
401. setting a plurality of fault judgment models based on a depth recognition algorithm;
402. setting a plurality of fault description data meeting the correlation coefficient condition as input parameters of a fault judgment model, wherein the output of the fault judgment model is a fault reason;
403. setting a decision model, inputting a plurality of fault reasons output by the plurality of fault judgment models into the decision model, and outputting final fault reasons.
Optionally, step 105 includes performing fault location according to the feedback data:
501. determining a fault interval according to the fault description data;
calculating a problem link of the optical signal according to the attenuation amount of the optical signal corresponding to the fault description data;
setting a corresponding relation between the transmission distance and the attenuation of the optical signal;
determining a fault interval according to the corresponding relation and the light signal attenuation; or,
in addition, whether the optical fiber is faulty or not can be judged by the optical power value in the fault description data. When the optical path communication is abnormal, whether the abnormality is caused by the fact that the connection is not in place or not can be checked, timeliness of fault checking is improved, unnecessary waste caused by the fact that the optical components are not in place in connection is avoided, and time cost and labor cost caused by the fact that the optical path is built again by replacing the components are saved.
502. And optimizing the fault interval and determining the fault position.
Setting multiplexing optical fiber channels;
acquiring state information of each channel interval in the multiplexing optical fiber channel; and optimizing the fault interval and determining the fault position.
Referring to fig. 3, there is provided a fault diagnosis system for an optical fiber jumper, the system including;
the test module is connected with the optical fiber through the first end and the second end respectively;
the test module is used for transmitting test data to the first end of the optical fiber jumper and receiving feedback data fed back by the second end of the optical fiber jumper, and the feedback data is generated based on the test data; the test module is respectively connected with the first end and the second end; the test module comprises an optical eye diagram instrument, an optical power meter, an error rate tester, an optical time domain reflectometer and an optical return loss tester;
the detection module is used for setting the data dimension of the feedback data according to the number of the devices in the test module;
the detection module is also used for acquiring fault description data corresponding to the feedback data according to a PCA algorithm based on the correlation coefficients of the data corresponding to the data dimensions;
the detection module is also used for judging whether the optical fiber jumper fails or not according to the failure description data;
the detection module is also used for carrying out fault positioning according to the feedback data after the optical fiber jumper is judged to be faulty.
Optionally, the test module is further configured to:
monitoring transmission data in real time through the second end;
when the transmission data meets the triggering condition, the second end initiates a detection request;
according to the detection request, test data are transmitted to the first end of the optical fiber jumper through the test module, and feedback data fed back by the second end of the optical fiber jumper are received.
Optionally, the detection module is specifically configured to:
screening the feedback data based on the abnormal data to obtain screened feedback data;
and setting the data dimension of the feedback data according to the number of source equipment of the data contained in the screened feedback data.
Optionally, the detection module is further specifically configured to:
carrying out noise reduction treatment on all data in the feedback data to obtain feedback data after the noise reduction treatment;
based on the abnormal time, performing erroneous judgment and identification on the feedback data after the noise reduction treatment;
and after judging that the feedback data after the noise reduction processing has no misjudgment, continuing to execute the step of screening the feedback data based on the abnormal data to obtain screened feedback data.
Optionally, the detection module is specifically configured to:
screening the feedback data based on the abnormal data to obtain screened feedback data; the filtered feedback data includes anomaly data and data associated with the anomaly data.
Optionally, the detection module is specifically configured to:
and acquiring the correlation coefficient of the data corresponding to the data dimensions according to the description data of the data corresponding to the data dimensions.
Optionally, the detection module is specifically configured to:
calculating a correlation coefficient matrix according to the correlation coefficient;
and according to the correlation coefficient matrix, performing dimension reduction on the feedback data based on a PCA algorithm to obtain fault description data.
Optionally, the detection module is specifically configured to:
setting a plurality of fault judgment models based on a depth recognition algorithm;
setting a plurality of fault description data meeting the correlation coefficient condition as input parameters of a fault judgment model, wherein the output of the fault judgment model is a fault reason;
setting a decision model, inputting a plurality of fault reasons output by the plurality of fault judgment models into the decision model, and outputting final fault reasons.
Optionally, the detection module is specifically configured to:
determining a fault interval according to the fault description data;
and optimizing the fault interval and determining the fault position.
The invention has been described above with particularity and detail in connection with general description and specific embodiments. It should be noted that it is obvious that several variations and modifications can be made to these specific embodiments without departing from the spirit of the present invention, which are all within the scope of protection of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
It should be noted that: in the fault diagnosis system for optical fiber patch cords according to the above embodiment, when the fault diagnosis method for optical fiber patch cords is executed, only the division of the above functional modules is used for illustration, and in practical application, the above functional allocation may be performed by different functional modules according to needs, that is, the internal structure of the system is divided into different functional modules, so as to complete all or part of the functions described above. In addition, the embodiments of the fault diagnosis system and method for optical fiber patch cords provided in the foregoing embodiments belong to the same concept, and specific implementation processes thereof are detailed in the method embodiments, which are not repeated herein.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program for instructing relevant hardware, where the program may be stored in a computer readable storage medium, and the storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A fault diagnosis method for an optical fiber jumper, the method comprising:
transmitting test data to the first end of the optical fiber jumper through the test module, and receiving feedback data fed back by the second end of the optical fiber jumper, wherein the feedback data is generated based on the test data; the test module is respectively connected with the first end and the second end; the test module comprises an optical eye diagram instrument, an optical power meter, an error rate tester, an optical time domain reflectometer and an optical return loss tester;
setting the data dimension of the feedback data according to the number of the devices in the test module;
based on correlation coefficients of data corresponding to a plurality of data dimensions, acquiring fault description data corresponding to the feedback data according to a PCA algorithm;
judging whether the optical fiber jumper fails according to the failure description data;
and after the optical fiber jumper is judged to have faults, fault positioning is carried out according to the feedback data.
2. The method of claim 1, wherein before transmitting test data to the first end of the optical fiber jumper and receiving feedback data fed back from the second end of the optical fiber jumper by the test module, the method further comprises:
through the second end, the transmission data is monitored in real time;
when the transmission data meets a trigger condition, the second end initiates a detection request;
and according to the detection request, the test module transmits test data to the first end of the optical fiber jumper and receives feedback data fed back by the second end of the optical fiber jumper.
3. The method of claim 2, wherein setting the data dimension of the feedback data according to the number of devices in the test module comprises:
screening the feedback data based on the abnormal data to obtain screened feedback data;
and setting the data dimension of the feedback data according to the number of source equipment of the data contained in the screened feedback data.
4. The method of claim 3, wherein the filtering the feedback data based on the anomaly data, before the filtering the feedback data, further comprises:
carrying out noise reduction treatment on all data in the feedback data to obtain feedback data after the noise reduction treatment;
based on the abnormal time, performing erroneous judgment and identification on the feedback data after the noise reduction processing;
and after judging that the feedback data after the noise reduction processing has no misjudgment, continuing to execute the step of screening the feedback data based on the abnormal data to obtain screened feedback data.
5. The method of claim 4, wherein filtering the feedback data based on the anomaly data to obtain filtered feedback data comprises:
screening the feedback data based on the abnormal data to obtain screened feedback data; the filtered feedback data includes the anomaly data and data associated with the anomaly data.
6. The method according to claim 5, characterized in that the method comprises:
and acquiring the correlation coefficient of the data corresponding to the data dimensions according to the description data of the data corresponding to the data dimensions.
7. The method of claim 8, wherein the obtaining fault description data corresponding to the feedback data according to a PCA algorithm based on correlation coefficients of data corresponding to a plurality of data dimensions comprises:
calculating a correlation coefficient matrix according to the correlation coefficient;
and according to the correlation coefficient matrix, performing dimension reduction on the feedback data based on the PCA algorithm to obtain fault description data.
8. The method of claim 7, wherein determining whether the optical fiber jumper has failed based on the fault description data comprises:
setting a plurality of fault judgment models based on a depth recognition algorithm;
setting a plurality of fault description data meeting the correlation coefficient condition as input parameters of the fault judgment model, wherein the output of the fault judgment model is a fault reason;
setting a decision model, inputting a plurality of fault reasons output by the plurality of fault judgment models into the decision model, and outputting final fault reasons.
9. The method of claim 8, wherein said fault locating based on said feedback data comprises:
determining a fault interval according to the fault description data;
and optimizing the fault interval and determining the fault position.
10. A fault diagnosis system for an optical fiber jumper, the system comprising:
the test module is connected with the optical fiber through a first end and a second end respectively;
the test module is used for transmitting test data to the first end of the optical fiber jumper and receiving feedback data fed back by the second end of the optical fiber jumper, and the feedback data is generated based on the test data; the test module is respectively connected with the first end and the second end; the test module comprises an optical eye diagram instrument, an optical power meter, an error rate tester, an optical time domain reflectometer and an optical return loss tester;
the detection module is used for setting the data dimension of the feedback data according to the number of the devices in the test module;
the detection module is also used for acquiring fault description data corresponding to the feedback data according to a PCA algorithm based on correlation coefficients of data corresponding to a plurality of data dimensions;
the detection module is also used for judging whether the optical fiber jumper fails or not according to the failure description data;
and the detection module is also used for carrying out fault positioning according to the feedback data after judging that the optical fiber jumper fails.
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| CN202311366188.7A CN117278116A (en) | 2023-10-20 | 2023-10-20 | Fault diagnosis method and system for optical fiber jumper |
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| CN202311366188.7A CN117278116A (en) | 2023-10-20 | 2023-10-20 | Fault diagnosis method and system for optical fiber jumper |
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