CN112311454B - Method, device and equipment for determining state of optical module - Google Patents
Method, device and equipment for determining state of optical module Download PDFInfo
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- 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
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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
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- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
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Abstract
The embodiment of the application provides a method, a device and equipment for determining the state of an optical module, wherein the method comprises the following steps: acquiring first optical power of the optical module at the current moment, wherein the first optical power comprises optical transmission power and/or optical receiving power; determining at least one second optical power of the optical module in a future time period according to the first optical power; acquiring at least one third optical power of the optical module in a historical period; and determining the working state of the optical module in the future period according to the at least one second optical power and the at least one third optical power, wherein the working state is a normal state or an abnormal state. The safety of the data transmission process is improved.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method, an apparatus, and a device for determining a state of an optical module.
Background
Optical modules are an important component of optical communication networks. The optical module receives or transmits optical power through a port to realize conversion between optical signals and electric signals.
In the prior art, the operating state of an optical module is determined by monitoring data of optical power. For example, a network device equipped with an optical module is logged in, optical power data of the network device is obtained through an input instruction, whether the optical power data exceeds an optical power threshold value is judged, and then the working state of the optical module is determined. However, when the optical power data approaches the optical power threshold, the optical power has an influence on the optical fiber data, so that the transmitted data is lost, and when the optical power data reaches the optical power threshold, the optical module is abnormal, so that the service cannot be normally used, and further, the security of the data transmission process is low.
Disclosure of Invention
The application provides a method, a device and equipment for determining the state of an optical module. The safety of the data transmission process is improved.
In a first aspect, an embodiment of the present application provides a method for determining a state of an optical module, where the method includes:
acquiring first optical power of the optical module at the current moment, wherein the first optical power comprises optical transmission power and/or optical receiving power;
determining at least one second optical power of the optical module in a future time period according to the first optical power;
acquiring at least one third optical power of the optical module in a historical period;
and determining the working state of the optical module in the future period according to the at least one second optical power and the at least one third optical power, wherein the working state is a normal state or an abnormal state.
In a possible embodiment, determining the operating state of the light module in the future period of time according to the at least one second optical power and the at least one third optical power comprises:
determining a fluctuation state of the optical module in a future period according to the at least one second optical power and the at least one third optical power, wherein the fluctuation state is a normal state or an abnormal state;
and determining the working state of the optical module in the future period according to the at least one second optical power and the fluctuation state.
In a possible implementation, determining the operating state of the light module in the future period according to the second optical power and the fluctuation state includes:
if the optical power in the at least one second optical power is larger than or equal to a first threshold value, or the fluctuation state is an abnormal fluctuation state, determining that the working state of the optical module in the future period is an abnormal state; alternatively, the first and second electrodes may be,
and if the at least one second optical power is smaller than the first threshold value and the fluctuation state is a normal fluctuation state, determining that the working state of the optical module in the future period is a normal state.
In a possible embodiment, determining a fluctuation state of the light module for a future period of time from the at least one second optical power and the at least one third optical power comprises:
determining a first fluctuation value of the optical module in the future time period according to the at least one second optical power, wherein the first fluctuation value is a variance of the at least one second optical power;
determining a second fluctuation value of the optical module in the historical period according to the at least one third optical power, wherein the second fluctuation value is a variance of the at least one third optical power;
and determining the fluctuation state according to the first fluctuation value and the second fluctuation value.
In a possible embodiment, determining the fluctuation state based on the first fluctuation value and the second fluctuation value includes:
acquiring a first difference value of the first fluctuation value and the second fluctuation value;
if the first difference is larger than or equal to a second threshold value, determining that the fluctuation state is an abnormal state;
and if the first difference is smaller than the second threshold, determining that the fluctuation state is a normal state.
In a possible embodiment, determining a fluctuation state of the light module for a future period of time from the at least one second optical power and the at least one third optical power comprises:
determining a first fitted straight line according to the at least one second optical power;
determining a second fitted straight line according to the at least one third optical power;
and determining the fluctuation state according to the slope of the first fitting straight line and the slope of the second fitting straight line.
In one possible embodiment, determining the fluctuation state according to the slope of the first fitted straight line and the slope of the second fitted straight line includes:
obtaining a second difference value between the slope of the first fitting straight line and the slope of the second fitting straight line;
if the second difference is larger than or equal to a third threshold, determining that the fluctuation state is an abnormal state;
and if the second difference is smaller than the third threshold, determining that the fluctuation state is a normal state.
In a possible embodiment, determining at least one second optical power of the light module for a future period of time from the first optical power comprises:
processing the first optical power through a preset model to obtain at least one second optical power;
the preset model is obtained by learning a plurality of groups of samples, each group of samples comprises the sample light power of a sample light module at a sample time and the sample predicted light power of the sample light module at a sample future time period, and the sample time is before the sample future time period.
In another possible embodiment, the method further comprises:
acquiring fourth optical power of the optical module at a previous moment of the current moment;
if the difference value between the first optical power and the fourth optical power is greater than or equal to a fourth threshold, determining that the working state of the optical module at the current moment is an abnormal state;
and if the difference value between the first optical power and the fourth optical power is smaller than the fourth threshold, determining that the working state of the optical module at the current moment is a normal state.
In a second aspect, an embodiment of the present application provides an apparatus for determining a status of a light module, where the apparatus includes: the device comprises a first obtaining module, a first determining module, a second obtaining module and a second determining module, wherein:
the first obtaining module is configured to obtain a first optical power of the optical module at a current time, where the first optical power includes optical emission power and/or optical reception power;
the first determining module is configured to determine at least one second optical power of the optical module in a future time period according to the first optical power;
the second obtaining module is used for obtaining at least one third optical power of the optical module in a historical period;
the second determining module is configured to determine a working state of the optical module in the future period according to the at least one second optical power and the at least one third optical power, where the working state is a normal state or an abnormal state.
In a possible implementation manner, the second determining module is specifically configured to:
determining a fluctuation state of the optical module in a future period according to the at least one second optical power and the at least one third optical power, wherein the fluctuation state is a normal state or an abnormal state;
and determining the working state of the optical module in the future period according to the at least one second optical power and the fluctuation state.
In a possible implementation manner, the second determining module is specifically configured to:
if the optical power in the at least one second optical power is larger than or equal to a first threshold value, or the fluctuation state is an abnormal fluctuation state, determining that the working state of the optical module in the future period is an abnormal state; alternatively, the first and second electrodes may be,
and if the at least one second optical power is smaller than the first threshold value and the fluctuation state is a normal fluctuation state, determining that the working state of the optical module in the future period is a normal state.
In a possible implementation manner, the second determining module is specifically configured to:
determining a first fluctuation value of the optical module in the future time period according to the at least one second optical power, wherein the first fluctuation value is a variance of the at least one second optical power;
determining a second fluctuation value of the optical module in the historical period according to the at least one third optical power, wherein the second fluctuation value is a variance of the at least one third optical power;
and determining the fluctuation state according to the first fluctuation value and the second fluctuation value.
In a possible implementation manner, the second determining module is specifically configured to:
acquiring a first difference value of the first fluctuation value and the second fluctuation value;
if the first difference is larger than or equal to a second threshold value, determining that the fluctuation state is an abnormal state;
and if the first difference is smaller than the second threshold, determining that the fluctuation state is a normal state.
In a possible implementation manner, the second determining module is specifically configured to:
determining a first fitted straight line according to the at least one second optical power;
determining a second fitted straight line according to the at least one third optical power;
and determining the fluctuation state according to the slope of the first fitting straight line and the slope of the second fitting straight line.
In a possible implementation manner, the second determining module is specifically configured to:
obtaining a second difference value between the slope of the first fitting straight line and the slope of the second fitting straight line;
if the second difference is larger than or equal to a third threshold, determining that the fluctuation state is an abnormal state;
and if the second difference is smaller than the third threshold, determining that the fluctuation state is a normal state.
In a possible implementation manner, the first determining module is specifically configured to:
processing the first optical power through a preset model to obtain at least one second optical power;
the preset model is obtained by learning a plurality of groups of samples, each group of samples comprises the sample light power of a sample light module at a sample time and the sample predicted light power of the sample light module at a sample future time period, and the sample time is before the sample future time period.
In another possible implementation, the apparatus further includes a third determining module, configured to:
acquiring fourth optical power of the optical module at a previous moment of the current moment;
if the difference value between the first optical power and the fourth optical power is greater than or equal to a fourth threshold, determining that the working state of the optical module at the current moment is an abnormal state;
and if the difference value between the first optical power and the fourth optical power is smaller than the fourth threshold, determining that the working state of the optical module at the current moment is a normal state.
In a third aspect, an embodiment of the present application provides a data processing apparatus, including: a memory for storing program instructions, a processor for invoking the program instructions in the memory to perform the method of determining the status of a light module according to any of the first aspects, and a communication interface.
In a fourth aspect, an embodiment of the present application provides a readable storage medium, on which a computer program is stored; the computer program is for implementing a method of determining a status of a light module as defined in any of the first aspects.
The embodiment of the application provides a method, a device and equipment for determining the state of an optical module, which are used for acquiring first optical power of the optical module at the current moment, wherein the first optical power comprises optical transmission power and/or optical receiving power. And determining at least one second optical power of the optical module in a future time period according to the first optical power, and acquiring at least one third optical power of the optical module in a historical time period. And determining the working state of the optical module in the future period according to the at least one second optical power and the at least one third optical power, wherein the working state is a normal state or an abnormal state. According to the method, the working state of the optical module in the future period can be accurately determined according to at least one second optical power of the optical module in the future period and at least one third optical power of the optical module in the historical period, so that maintenance personnel can replace the optical module which is about to be abnormal in advance, and the safety of the data transmission process is improved.
Drawings
Fig. 1 is a schematic architecture diagram of an optical network according to an embodiment of the present application;
fig. 2 is a schematic flowchart of a method for determining a state of an optical module according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram illustrating an optical module operating state provided in the embodiment of the present application as an abnormal state;
fig. 4 is a schematic diagram illustrating another optical module according to an embodiment of the present disclosure in an abnormal operating state;
FIG. 5 is a schematic flow chart illustrating a process for determining a surge condition according to an embodiment of the present application;
FIG. 6 is a schematic flow chart illustrating another method for determining a surge condition according to an embodiment of the present disclosure;
FIG. 7 is a schematic diagram of a first fitted straight line provided by an embodiment of the present application;
FIG. 8 is a schematic diagram of a second fitted straight line provided by an embodiment of the present application;
fig. 9 is a schematic flowchart of determining an operating state of an optical module at a current time according to an embodiment of the present disclosure;
fig. 10 is a schematic structural diagram of a state determination apparatus for an optical module according to an embodiment of the present application;
fig. 11 is a schematic structural diagram of another optical module status determination apparatus according to an embodiment of the present application;
fig. 12 is a schematic diagram of a hardware structure of a status determining device of an optical module according to the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
For ease of understanding, the architecture of the optical network in the embodiment of the present application is described below with reference to fig. 1.
Fig. 1 is a schematic architecture diagram of an optical network according to an embodiment of the present application. Referring to fig. 1, network device 101 and network device 102 are included. The network device 101 is provided with an optical module 1, and the network device 102 is provided with an optical module 2, where the optical module is used to convert an optical signal into an electrical signal or convert an electrical signal into an optical signal. The optical module comprises an optical power transmitting end and an optical power receiving end, wherein the optical power transmitting end is used for transmitting optical power, and the optical power receiving end is used for receiving the optical power. The optical modules are connected through optical fibers. For example, referring to fig. 1, an optical power transmitting end of the optical module 1 is connected to an optical power receiving end of the optical module 2 through an optical fiber, and the optical power receiving end of the optical module 1 is connected to the optical power transmitting end of the optical module 2 through an optical fiber.
The network device 101 can send an electrical signal to the optical module 1, after receiving the electrical signal sent by the network device 101, the optical module 1 converts the electrical signal into an optical signal and sends the optical signal to the optical module 2 through the optical power sending end, after receiving the optical signal sent by the optical module 1, the optical module 2 converts the optical signal into an electrical signal and sends the electrical signal to the network device 102, and then data transmission between the network devices is achieved.
The embodiment of the application provides a method for determining the state of an optical module, which is used for acquiring first optical power of the optical module at the current moment, wherein the first optical power comprises optical transmission power and/or optical receiving power. And determining at least one second optical power of the optical module in a future time period according to the first optical power, and acquiring at least one third optical power of the optical module in a historical time period. And determining the working state of the optical module in the future period according to the at least one second optical power and the at least one third optical power, wherein the working state is a normal state or an abnormal state. According to the method, the working state of the optical module in the future period can be accurately determined according to at least one second optical power of the optical module in the future period and at least one third optical power of the optical module in the historical period, so that maintenance personnel can replace the optical module which is about to be abnormal in advance, and the safety of the data transmission process is improved.
The technical means shown in the present application will be described in detail below with reference to specific examples. It should be noted that the following embodiments may be combined with each other, and the description of the same or similar contents in different embodiments is not repeated.
Fig. 2 is a flowchart illustrating a method for determining a state of an optical module according to an embodiment of the present application. Referring to fig. 2, the method may include:
s201, acquiring first optical power of an optical module at the current moment.
The execution subject of the embodiment of the present invention may be a state determination device of an optical module, the state determination device of the optical module is disposed in a network device, and the state determination device of the optical module may be a processing chip in the network device. Alternatively, the network device may include a computer, a switch, and the like.
The optical module is a photoelectronic device for performing photoelectric conversion and electro-optical conversion, and comprises an optical power transmitting end and an optical power receiving end. For example, an optical power transmitting end of the optical module may convert an electrical signal into an optical signal, and an optical power receiving end of the optical module may convert an optical signal into an electrical signal.
Optical power is the work that light does per unit time. The first optical power is used to indicate the optical power of the optical module at the current time. For example, the first optical power may be work performed by the optical module in the unit time in the optical signal at the current time. Wherein the first optical power comprises optical transmitting power and/or optical receiving power. For example, the optical module may transmit an optical signal at the current time, may also receive an optical signal, and may also transmit and receive an optical signal at the same time.
Optionally, the first optical power of the optical module at the current time may be obtained through the following feasible implementation manners: the method comprises the steps of obtaining an object identifier of a management information base of the network equipment for the optical power condition of a physical port, starting an SNMP service in the network equipment, configuring a group name, and obtaining the first optical power of an optical module at the current moment according to the object identifier and the configured group name. For example, taking the router device of hua of model NE40E-X8 as an example, the object identifiers determining the optical power condition of the physical port in the management information base of the router device are respectively: { iso (1) identified-organization (3) dod (6) internet (1) private (4) entry (1)2011huaweiMgmt (5) huaweiDatacomm (25) hwEntityExtentMIB (31) hwEntityExtentObjects (1) hwEntityObjects (1) hwEntityState (1) hw optical ModulaInfoTable (3) hw optical ModuleInfoEntry (1) hwEntityRxPower (8) } and { iso (1) identified-organization (3) dod (6) private (1) private (4) entry (1) entry (6) private (1) private EntityInetyIn (1) are configured by the slave EntityInnet (1) private (5) entry (25) and the optical-managed (9) port of the router-EntityInethEntityInetItemtEntesIn (1) and the optical-EntityInject (1) express-OpityInethEntehEntexWhityInetIfInetIfIt (1) are configured by the router-express (9) and the optical-managed-express-managed-express-weInetIfInetIfInetIfInetyInetsInetIfIt (1) and the optical-EntEntEntEntEntEntEntEntIfInethEntEntEntEntIfIt (1) port.
S202, at least one second optical power of the optical module in a future time period is determined according to the first optical power.
The second optical power is at least one optical power of the optical module for a future time period. Optionally, the second optical power may be an optical power corresponding to a future time, or an optical power corresponding to a future time period. For example, the second optical power may be an optical power of eight am of tomorrow, or an average of optical powers of three days in the future.
Alternatively, at least one second optical power of the optical module in the future period may be determined according to the first optical power by the following feasible implementation manners: and processing the first optical power through a preset model to obtain at least one second optical power. The preset model is obtained by learning a plurality of groups of samples, each group of samples comprises the sample light power of the sample light module at the sample time and the sample predicted light power of the sample light module at the future time period of the samples, and the sample time is before the sample time period.
The sets of samples may be pre-labeled samples. For example, a set of samples is obtained for a sample optical power 1 of the sample optical module at a sample time instant and a sample predicted optical power 2 of the sample optical module at a sample future time period. The set of samples comprises a sample optical power 1 of the sample light module at the sample instant, a sample future time period, and a sample predicted optical power 2 of the sample light module at the sample future time period. The sample time is located before the sample future period. For example, the sets of samples may be as shown in table 1:
TABLE 1
It should be noted that table 1 illustrates the sets of samples by way of example only, and does not limit the sets of samples.
For example, if the sample optical power of the sample bin at the sample time is sample optical power 1, the sample predicted optical power of the sample bin at the sample future period 1 is sample predicted optical power 1; if the sample optical power of the sample module at the sample time is the sample optical power 1, the sample predicted optical power of the sample module at the sample future time period 2 is the sample predicted optical power 2; if the sample optical power of the sample bin at the sample time is sample optical power 2, the sample predicted optical power of the sample bin at the sample future period 3 is sample predicted optical power 3.
Optionally, the at least one second optical power may be obtained by processing the first optical power through a preset model.
S203, at least one third optical power of the optical module in the historical period is obtained.
The third optical power is at least one optical power of the optical module during the history period. Optionally, the third optical power may be an optical power corresponding to a historical time, or an optical power corresponding to a historical time period. For example, the third optical power may be the optical power of yesterday at eight am, or may be the average of the optical powers of the last three days.
Optionally, a network device where the optical module is located may be logged in, and the third optical power of each physical port of the network device may be obtained according to the input optical power obtaining instruction. For example, the network device may be logged in, and an instruction for acquiring the historical optical power of each physical port of the network device is input, so as to acquire the historical optical power of each physical port of the network device.
Optionally, the third optical power of each physical port of the network device may be obtained according to the communication protocol. For example, the historical optical power of each physical port of the network device may be obtained according to common communication protocols such as SNMP and FTP.
Optionally, the operation instruction of the network device may be simulated according to a mode of simulating manual login of the network device, so as to obtain the third optical power of each physical port of the network device.
And S204, determining the working state of the optical module in the future period according to the at least one second optical power and the at least one third optical power.
The working state of the optical module can be a normal state or an abnormal state. When the working state of the optical module is abnormal, the safety of data transmission is reduced. For example, when the operating state of the optical module is an abnormal state, the optical power transmitted or received by the optical module is unstable, thereby reducing the security of data transmission.
The operating state of the light module in the future period may be determined according to the following feasible implementation: and determining the fluctuation state of the optical module in the future period according to the at least one second optical power and the at least one third optical power, wherein the fluctuation state is a normal state or an abnormal state, and determining the working state of the optical module in the future period according to the at least one second optical power and the fluctuation state.
Optionally, if the optical power in the at least one second optical power is greater than or equal to the first threshold, or the fluctuation state is an abnormal fluctuation state, determining that the working state of the optical module in a future period is an abnormal state; or, if the at least one second optical power is smaller than the first threshold and the fluctuation state is the normal fluctuation state, determining that the working state of the optical module in the future period is the normal state, where the first threshold may be a threshold of the optical module. For example, if there is a second optical power whose optical power is greater than or equal to the threshold value of the optical module, or the fluctuation state of the optical module in the future time period is an abnormal fluctuation state, the working state of the optical module in the future time period is an abnormal state, and the optical module needs to be replaced by an operation and maintenance worker; and if each second optical power is smaller than the threshold value of the optical module and the fluctuation state of the optical module in the future time period is the normal fluctuation state, determining that the working state of the optical module in the future time period is the normal state.
The following describes the process of determining the operating state of the optical module as an abnormal state in detail with reference to fig. 3 to 4.
Fig. 3 is a schematic diagram illustrating an optical module operating state being an abnormal state according to an embodiment of the present application. Referring to fig. 3, a horizontal axis x of a coordinate axis is time, a vertical axis y of the coordinate axis is second optical power, an origin o of the coordinate axis is a current time, and a dotted line is a threshold of the optical module.
Referring to fig. 3, a functional relationship between the second optical power and time is shown in fig. 3, where the second optical power has a plurality of optical powers exceeding the threshold value of the optical module in a future time period, and the working state of the optical module in the future time period is an abnormal state.
Optionally, the working state of the optical module may be determined according to a preset time threshold. For example, if the second optical power does not exceed the threshold value of the optical module in seven days in the future, the operating state of the optical module is normal, and if at least one second optical power exceeding the threshold value of the optical module exists in seven days in the future, the operating state of the optical module is abnormal.
Fig. 4 is a schematic diagram of another optical module according to an embodiment of the present disclosure, where the working state of the optical module is an abnormal state. Referring to fig. 4, a horizontal axis x of a coordinate axis of a coordinate system is time, a vertical axis y of the coordinate axis is optical power, an origin o of the coordinate axis is a current time, wherein an x axis on a right side of the origin o of the coordinate axis is a future time period, an x axis on a left side of the origin o of the coordinate axis is a history time period, a dotted line on the left side of the y axis is an average value of third optical power, a polygonal line is used for indicating a functional relationship between the third optical power and the history time, a dotted line on the right side of the y axis is an average value of second optical power, and a polygonal line is used for indicating a functional relationship between the second optical power and the future time.
Referring to fig. 4, the third optical power fluctuates to a smaller extent in the history time period than the average value of the third optical power, and the second optical power fluctuates to a larger extent in the future time period than the average value of the second optical power. That is, the fluctuation value of the second optical power is larger than the fluctuation value of the third optical power, and thus the operating state of the optical module in the future time period is abnormal.
Optionally, the working state of the optical module may be determined according to a preset time threshold. For example, if the fluctuation value of the second optical power in the future seven days is less than or equal to the fluctuation value of the third optical power in the historical seven days, the operating state of the optical module is normal, and if the fluctuation value of the second optical power in the future seven days is greater than the fluctuation value of the third optical power in the historical seven days, the operating state of the optical module is abnormal.
The embodiment of the application provides a method for determining the state of an optical module, which is used for acquiring first optical power of the optical module at the current moment, wherein the first optical power comprises optical transmission power and/or optical receiving power. And determining at least one second optical power of the optical module in a future time period according to the first optical power, and acquiring at least one third optical power of the optical module in a historical time period. And determining the fluctuation state of the optical module in the future time period according to the at least one second optical power and the at least one third optical power, and determining the working state of the optical module in the future time period according to the at least one second optical power and the fluctuation state. In the method, whether the second optical power in the future time period exceeds the threshold value of the optical module can be accurately determined according to at least one second optical power, and the fluctuation state of the second optical power of the optical module in the future time period can be accurately determined according to the fluctuation state. When the second optical power in the future period exceeds the threshold value of the optical module or the fluctuation state is abnormal, maintenance personnel can be informed to replace the optical module which is about to be abnormal in advance, and the safety of the data transmission process is further improved.
The surge condition may be determined in a number of ways, and two processes for determining the surge condition are described below in conjunction with fig. 5-6.
Fig. 5 is a schematic flowchart of determining a fluctuation state according to an embodiment of the present application. Referring to fig. 5, the method may include:
s501, determining a first fluctuation value of the optical module in a future time period according to at least one second optical power.
The first fluctuation value is a variance of the at least one second optical power. For example, the first fluctuation value may be a variance of the at least one second optical power with respect to a mean of the second optical powers over a future time period.
And S502, determining a second fluctuation value of the optical module in the historical period according to at least one third optical power.
The second fluctuation value is a variance of the at least one third optical power. For example, the second fluctuation value may be a variance of the at least one third optical power with respect to a mean value of the third optical powers over the history period.
S503, determining the fluctuation state according to the first fluctuation value and the second fluctuation value.
The surge state is a normal state or an abnormal state.
Alternatively, the surge state may be determined according to the following possible implementation: and acquiring a first difference value of the first fluctuation value and the second fluctuation value, if the first difference value is greater than or equal to a second threshold value, determining that the fluctuation state is an abnormal state, and if the first difference value is smaller than the second threshold value, determining that the fluctuation state is a normal state. For example, the first fluctuation value and the second fluctuation value are subtracted to obtain a first difference value, if the first difference value is smaller than the second threshold, the second optical power in the future period will not fluctuate greatly, and the fluctuation state is a normal state, and if the first difference value is greater than or equal to the second threshold, the second optical power in the future period will fluctuate greatly, and the fluctuation state is an abnormal state.
Alternatively, the fluctuation state may be determined according to the magnitudes of the first fluctuation value and the second fluctuation value. For example, if the first fluctuation value is larger than the second fluctuation value, the fluctuation range of the second optical power in the future period is larger than the fluctuation range of the third optical power in the history period, and the fluctuation state is an abnormal state; if the first fluctuation value is smaller than or equal to the second fluctuation value, the fluctuation range of the second optical power in the future time period is smaller than or equal to the fluctuation range of the third optical power in the historical time period, and the fluctuation state is a normal state.
The embodiment of the application provides a method for determining a fluctuation state, which includes determining a first fluctuation value of an optical module in a future time period according to at least one second optical power, determining a second fluctuation value of the optical module in a historical time period according to at least one third optical power, obtaining a first difference value according to the first fluctuation value and the second fluctuation value, and determining the fluctuation state according to the first difference value. In the method, if the first difference is greater than or equal to the second threshold, the fluctuation state is determined to be an abnormal state, and when the fluctuation state of the second optical power in a future period is abnormal, a maintainer can be informed to replace an optical module which is about to be abnormal in advance, so that the safety of the data transmission process is improved.
Fig. 6 is a schematic flow chart of another method for determining a fluctuation state according to an embodiment of the present application. Referring to fig. 6, the method may include:
s601, determining a first fitting straight line according to at least one second optical power.
The first fitted straight line is a straight line to which at least one second optical power is linearly fitted. For example, the plurality of second optical powers may be fitted to a straight line according to a linear fitting manner.
Alternatively, the first fitted straight line may be determined according to the following feasible implementation: and determining the optimal estimation value corresponding to each second optical power, and determining a first fitting straight line according to the optimal estimation value. For example, the best estimation value corresponding to each second optical power may be determined according to a least squares estimation algorithm, and the first fitted straight line may be determined according to the best estimation value.
The process of determining the first fitted straight line is described in detail below with reference to fig. 7.
Fig. 7 is a schematic diagram of a first fitted straight line provided in an embodiment of the present application. Referring to fig. 7, the horizontal axis x of the coordinate axis is time, the vertical axis y of the coordinate axis is second optical power, the origin o of the coordinate axis is the current time, and the straight line is a first fitting straight line.
Referring to fig. 7, the coordinate system includes a plurality of points corresponding to the second optical power and time, and each point represents the second optical power corresponding to the point at a future time. And determining the optimal estimation value corresponding to each point according to a least square estimation algorithm, and further obtaining a first fitting straight line according to the optimal estimation values.
Alternatively, points in the coordinate system where the plurality of second optical powers correspond to time may represent second optical powers for a future period. For example, a point of the second optical power corresponding to time may represent a second optical power of a future day corresponding to the point.
And S602, determining a second fitting straight line according to at least one third optical power.
The second fitted straight line is a straight line to which at least one third optical power is linearly fitted. For example, the plurality of third optical powers may be fitted to a straight line according to a linear fitting manner.
Alternatively, the second fitted straight line may be determined according to the following feasible implementation: and determining the optimal estimation value corresponding to each third optical power, and determining a second fitting straight line according to the optimal estimation value. For example, the best estimation value corresponding to each third optical power may be determined according to a least squares estimation algorithm, and the second fitted straight line may be determined according to the best estimation value.
The process of determining the second fitted straight line is described in detail below with reference to fig. 8.
Fig. 8 is a schematic diagram of a second fitted straight line provided in the embodiment of the present application. Referring to fig. 8, the horizontal axis x of the coordinate axis is the history time, the vertical axis y of the coordinate axis is the third optical power, the origin o of the coordinate axis is the current time, and the straight line is the second fitting straight line.
Referring to fig. 8, the coordinate system includes a plurality of points corresponding to the historical time, where each point represents the third optical power at the corresponding historical time. And determining the optimal estimation value corresponding to each point according to a least square estimation algorithm, and further obtaining a second fitting straight line according to the optimal estimation values.
Alternatively, points of the plurality of third optical powers in the coordinate system corresponding to time may represent the third optical power of the history period. For example, a point of the third optical power corresponding to time may represent the third optical power of the past day corresponding to the point.
And S603, determining the fluctuation state according to the slope of the first fitting straight line and the slope of the second fitting straight line.
Alternatively, the fluctuation state may be determined according to the slope of the first fitted straight line and the slope of the second fitted straight line according to the following feasible implementation manners: and obtaining a second difference value between the slope of the first fitting straight line and the slope of the second fitting straight line, if the second difference value is greater than or equal to a third threshold value, determining that the fluctuation state is an abnormal state, and if the second difference value is smaller than the third threshold value, determining that the fluctuation state is a normal state. For example, the slope of the first fitted straight line is subtracted from the slope of the second fitted straight line to obtain a second difference value, and if the second difference value is greater than or equal to a third threshold, the second optical power is continuously increased in a future period, and the fluctuation state is an abnormal state; if the second difference is smaller than the third threshold, the trend of the second optical power in the future time period is stable, and the fluctuation state is a normal state.
Alternatively, the fluctuation state may be determined according to the magnitude of the slope of the first fitted straight line and the slope of the second fitted straight line. For example, if the slope of the first fitted straight line is greater than the slope of the second fitted straight line, the second optical power in the future period will continuously increase, and the fluctuation state is an abnormal state; if the slope of the first fitting straight line is smaller than or equal to the slope of the second fitting straight line, the trend of the second optical power in the future period is stable, and the fluctuation state is a normal state.
The embodiment of the application provides a method for determining a fluctuation state, which includes determining a first fitted straight line according to at least one second optical power, determining a second fitted straight line according to at least one third optical power, and determining the fluctuation state according to a second difference between a slope of the first fitted straight line and a slope of the second fitted straight line. In the method, if the second difference is greater than or equal to the third threshold, the fluctuation state is determined to be an abnormal state, and when the fluctuation state of the second optical power in a future period is abnormal, a maintainer can be informed to replace an optical module which is about to be abnormal in advance, so that the safety of the data transmission process is improved.
On the basis of any of the above embodiments, the method further includes a method for determining an operating state of the optical module at the current time, and a process for determining the operating state of the optical module at the current time is described in detail below with reference to fig. 9.
Fig. 9 is a schematic flowchart of determining an operating state of an optical module at a current time according to an embodiment of the present application. Referring to fig. 9, the method may include:
and S901, acquiring fourth optical power of the optical module at a previous moment of the current moment.
The fourth optical power is an optical power of the optical module at a time immediately before the current time. Optionally, the fourth optical power may be an optical power corresponding to a previous time, or an optical power of a previous time period.
Alternatively, the fourth optical power may be determined according to the optical power of the optical module in the history period. For example, a previous time or a previous time period of the current time may be determined, and the fourth optical power may be determined according to the optical power corresponding to the previous time or the previous time period and the history period.
Optionally, the fourth optical power may be determined according to a corresponding relationship between the historical time period and the optical power. For example, the correspondence of the history period to the optical power may be as shown in table 2:
TABLE 2
| Historical period | Optical power |
| History period 1 | Optical power 1 |
| History period 2 | Optical power 2 |
| History period 3 | Optical power 3 |
| …… | …… |
It should be noted that table 2 shows the correspondence between the history period and the optical power by way of example only, and does not limit the correspondence between the history period and the optical power.
For example, the optical power corresponding to the history period 1 is optical power 1; the optical power corresponding to the historical period 2 is the optical power 2; the optical power corresponding to the history period 3 is the optical power 3.
Optionally, a history time period is determined according to a time previous to the current time, and a fourth optical power corresponding to the time previous to the current time is determined according to a corresponding relationship between the history time period and the optical power.
And S902, determining a third difference value between the first optical power and the fourth optical power.
The third difference is a difference between the first optical power and the fourth optical power. Alternatively, the third difference may be an absolute value of a difference between the first optical power and the fourth optical power.
And S903, judging whether the third difference value is larger than or equal to a fourth threshold value.
If yes, S904 is performed.
If not, go to S905.
Alternatively, the fourth threshold may be determined according to the light module. For example, the optical module may be determined to have an abnormality when the optical power fluctuation width exceeds 10dBm, and the fourth threshold value may be set to 10 dBm.
And S904, determining the working state of the optical module at the current moment to be an abnormal state.
Optionally, if a difference between the first optical power and the fourth optical power is greater than or equal to a fourth threshold, it is determined that the operating state of the optical module at the current time is an abnormal state. For example, when the difference between the first optical power and the fourth optical power is greater than or equal to the fourth threshold, the variation range of the optical power already affects the performance of the optical module, so that part of the optical signal is lost during transmission, and therefore, the operating state of the optical module at the current time is an abnormal state.
And S905, determining that the working state of the optical module at the current moment is a normal state.
Optionally, if a difference between the first optical power at the current time and a fourth optical power at a previous time of the current time is smaller than a fourth threshold, it is determined that the operating state of the optical module at the current time is a normal state. For example, the difference between the first optical power and the fourth optical power is smaller than the fourth threshold, and the fluctuation range of the optical power is small, so that the performance of the optical module is not affected.
The embodiment of the application provides a method for determining the state of an optical module, which is used for acquiring fourth optical power of the optical module at the previous moment of the current moment. If the difference value between the first optical power and the fourth optical power is larger than or equal to a fourth threshold value, determining that the working state of the optical module at the current moment is an abnormal state, and if the difference value between the first optical power and the fourth optical power is smaller than the fourth threshold value, determining that the working state of the optical module at the current moment is a normal state. In the method, the difference value between the first optical power and the fourth optical power can determine the change amplitude of the optical power at the current moment, and when the change amplitude affects the performance of the optical module, the state of the optical module is determined to be an abnormal state, so that maintenance personnel can be informed to replace the optical module which is about to be abnormal in advance, and the safety of the data transmission process is improved.
Fig. 10 is a schematic structural diagram of a state determination apparatus for an optical module according to an embodiment of the present application. The status determination means of the light module may be provided in the network device. Referring to fig. 10, the optical module status determining apparatus 10 includes: a first obtaining module 11, a first determining module 12, a second obtaining module 13, and a second determining module 14, wherein:
the first obtaining module 11 is configured to obtain a first optical power of the optical module at a current time, where the first optical power includes an optical transmission power and/or an optical reception power;
the first determining module 12 is configured to determine at least one second optical power of the optical module in a future time period according to the first optical power;
the second obtaining module 13 is configured to obtain at least one third optical power of the optical module in a historical period;
the second determining module 14 is configured to determine, according to the at least one second optical power and the at least one third optical power, a working state of the optical module in the future time period, where the working state is a normal state or an abnormal state.
In a possible implementation, the second determining module 14 is specifically configured to:
determining a fluctuation state of the optical module in a future period according to the at least one second optical power and the at least one third optical power, wherein the fluctuation state is a normal state or an abnormal state;
and determining the working state of the optical module in the future period according to the at least one second optical power and the fluctuation state.
In a possible implementation, the second determining module 14 is specifically configured to:
if the optical power in the at least one second optical power is larger than or equal to a first threshold value, or the fluctuation state is an abnormal fluctuation state, determining that the working state of the optical module in the future period is an abnormal state; alternatively, the first and second electrodes may be,
and if the at least one second optical power is smaller than the first threshold value and the fluctuation state is a normal fluctuation state, determining that the working state of the optical module in the future period is a normal state.
In a possible implementation, the second determining module 14 is specifically configured to:
determining a first fluctuation value of the optical module in the future time period according to the at least one second optical power, wherein the first fluctuation value is a variance of the at least one second optical power;
determining a second fluctuation value of the optical module in the historical period according to the at least one third optical power, wherein the second fluctuation value is a variance of the at least one third optical power;
and determining the fluctuation state according to the first fluctuation value and the second fluctuation value.
In a possible implementation, the second determining module 14 is specifically configured to:
acquiring a first difference value of the first fluctuation value and the second fluctuation value;
if the first difference is larger than or equal to a second threshold value, determining that the fluctuation state is an abnormal state;
and if the first difference is smaller than the second threshold, determining that the fluctuation state is a normal state.
In a possible implementation, the second determining module 14 is specifically configured to:
determining a first fitted straight line according to the at least one second optical power;
determining a second fitted straight line according to the at least one third optical power;
and determining the fluctuation state according to the slope of the first fitting straight line and the slope of the second fitting straight line.
In a possible implementation, the second determining module 14 is specifically configured to:
obtaining a second difference value between the slope of the first fitting straight line and the slope of the second fitting straight line;
if the second difference is larger than or equal to a third threshold, determining that the fluctuation state is an abnormal state;
and if the second difference is smaller than the third threshold, determining that the fluctuation state is a normal state.
In a possible implementation, the first determining module 12 is specifically configured to:
processing the first optical power through a preset model to obtain at least one second optical power;
the preset model is obtained by learning a plurality of groups of samples, each group of samples comprises the sample light power of a sample light module at a sample time and the sample predicted light power of the sample light module at a sample future time period, and the sample time is before the sample future time period.
The apparatus for determining a state of an optical module according to the embodiment of the present application may implement the technical solution shown in the above method embodiment, and its implementation principle and beneficial effects are similar, which are not described herein again.
Fig. 11 is a schematic structural diagram of another optical module status determination apparatus according to an embodiment of the present application. On the basis of the embodiment shown in fig. 10, please refer to fig. 11, the optical module status determining apparatus 10 further includes a third determining module, wherein the third determining module 15 is configured to:
acquiring fourth optical power of the optical module at a previous moment of the current moment;
if the difference value between the first optical power and the fourth optical power is greater than or equal to a fourth threshold, determining that the working state of the optical module at the current moment is an abnormal state;
and if the difference value between the first optical power and the fourth optical power is smaller than the fourth threshold, determining that the working state of the optical module at the current moment is a normal state.
The apparatus for determining a state of an optical module according to the embodiment of the present application may implement the technical solution shown in the above method embodiment, and its implementation principle and beneficial effects are similar, which are not described herein again.
Fig. 12 is a schematic diagram of a hardware structure of a status determining device of an optical module according to the present application. Referring to fig. 12, the light module status determining apparatus 20 may include: a processor 21 and a memory 22, wherein the processor 21 and the memory 22 may communicate; illustratively, the processor 21 and the memory 22 communicate via a communication bus 23, the memory 22 is configured to store program instructions, and the processor 21 is configured to call the program instructions in the memory to execute the method for determining the status of the optical module according to any of the above-mentioned method embodiments.
Optionally, the exhaust gas control apparatus 20 of the vehicle may further include a communication interface, which may include a transmitter and/or a receiver.
Optionally, the Processor may be a Central Processing Unit (CPU), or may be another general-purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the present application may be embodied directly in a hardware processor, or in a combination of the hardware and software modules in the processor.
A readable storage medium having a computer program stored thereon; the computer program is for implementing a method for determining a status of a light module as described in any of the above embodiments.
The embodiment of the present application provides a computer program product, which includes instructions, and when the instructions are executed, the instructions cause a computer to execute the method for determining the state of the optical module.
All or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The aforementioned program may be stored in a readable memory. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned memory (storage medium) includes: read-only memory (ROM), RAM, flash memory, hard disk, solid state disk, magnetic tape (magnetic tape), floppy disk (flexible disk), optical disk (optical disk), and any combination thereof.
Embodiments of the present application are described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processing unit of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processing unit of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the embodiments of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to encompass such modifications and variations.
In the present application, the terms "include" and variations thereof may refer to non-limiting inclusions; the term "or" and variations thereof may mean "and/or". The terms "first," "second," and the like in this application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. In the present application, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
Claims (10)
1. A method for determining a status of an optical module, comprising:
acquiring first optical power of the optical module at the current moment, wherein the first optical power comprises optical transmission power and/or optical receiving power;
determining at least one second optical power of the optical module in a future time period according to the first optical power;
acquiring at least one third optical power of the optical module in a historical period;
determining a fluctuation state of the optical module in a future period according to the at least one second optical power and the at least one third optical power, wherein the fluctuation state is a normal state or an abnormal state;
determining the working state of the optical module in the future period according to the at least one second optical power and the fluctuation state, wherein the working state is a normal state or an abnormal state;
determining the working state of the optical module in the future period according to the second optical power and the fluctuation state, including:
if the optical power in the at least one second optical power is larger than or equal to a first threshold value, or the fluctuation state is an abnormal fluctuation state, determining that the working state of the optical module in the future period is an abnormal state;
and if the at least one second optical power is smaller than the first threshold value and the fluctuation state is a normal fluctuation state, determining that the working state of the optical module in the future period is a normal state.
2. The method of claim 1, wherein determining a fluctuation status of the light module over a future period of time based on the at least one second optical power and the at least one third optical power comprises:
determining a first fluctuation value of the optical module in the future time period according to the at least one second optical power, wherein the first fluctuation value is a variance of the at least one second optical power;
determining a second fluctuation value of the optical module in the historical period according to the at least one third optical power, wherein the second fluctuation value is a variance of the at least one third optical power;
and determining the fluctuation state according to the first fluctuation value and the second fluctuation value.
3. The method of claim 2, wherein determining the surge condition based on the first surge value and the second surge value comprises:
acquiring a first difference value of the first fluctuation value and the second fluctuation value;
if the first difference is larger than or equal to a second threshold value, determining that the fluctuation state is an abnormal state;
and if the first difference is smaller than the second threshold, determining that the fluctuation state is a normal state.
4. The method of claim 1, wherein determining a fluctuation status of the light module over a future period of time based on the at least one second optical power and the at least one third optical power comprises:
determining a first fitted straight line according to the at least one second optical power;
determining a second fitted straight line according to the at least one third optical power;
and determining the fluctuation state according to the slope of the first fitting straight line and the slope of the second fitting straight line.
5. The method of claim 4, wherein determining the fluctuation state based on the slope of the first fitted line and the slope of the second fitted line comprises:
obtaining a second difference value between the slope of the first fitting straight line and the slope of the second fitting straight line;
if the second difference is larger than or equal to a third threshold, determining that the fluctuation state is an abnormal state;
and if the second difference is smaller than the third threshold, determining that the fluctuation state is a normal state.
6. The method of claim 1, wherein determining at least one second optical power of the light module for a future period of time from the first optical power comprises:
processing the first optical power through a preset model to obtain at least one second optical power;
the preset model is obtained by learning a plurality of groups of samples, each group of samples comprises the sample light power of a sample light module at a sample time and the sample predicted light power of the sample light module at a sample future time period, and the sample time is before the sample future time period.
7. The method of claim 1, further comprising:
acquiring fourth optical power of the optical module at a previous moment of the current moment;
if the difference value between the first optical power and the fourth optical power is greater than or equal to a fourth threshold, determining that the working state of the optical module at the current moment is an abnormal state;
and if the difference value between the first optical power and the fourth optical power is smaller than the fourth threshold, determining that the working state of the optical module at the current moment is a normal state.
8. A status determination apparatus for a light module, comprising: the device comprises a first obtaining module, a first determining module, a second obtaining module and a second determining module, wherein:
the first obtaining module is configured to obtain a first optical power of the optical module at a current time, where the first optical power includes optical emission power and/or optical reception power;
the first determining module is configured to determine at least one second optical power of the optical module in a future time period according to the first optical power;
the second obtaining module is used for obtaining at least one third optical power of the optical module in a historical period;
the second determining module is configured to determine a fluctuation state of the optical module in a future time period according to the at least one second optical power and the at least one third optical power, where the fluctuation state is a normal state or an abnormal state;
determining the working state of the optical module in the future period according to the at least one second optical power and the fluctuation state, wherein the working state is a normal state or an abnormal state;
the second determining module is specifically configured to:
if the optical power in the at least one second optical power is larger than or equal to a first threshold value, or the fluctuation state is an abnormal fluctuation state, determining that the working state of the optical module in the future period is an abnormal state;
and if the at least one second optical power is smaller than the first threshold value and the fluctuation state is a normal fluctuation state, determining that the working state of the optical module in the future period is a normal state.
9. A status determination device for a light module, comprising: a memory for storing program instructions, a processor for invoking the program instructions in the memory to perform a method of determining a status of a light module according to any of claims 1-7, and a communication interface.
10. A readable storage medium, characterized in that the readable storage medium has stored thereon a computer program; the computer program is for implementing a method for determining a status of a light module as claimed in any one of claims 1 to 7.
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