CN114860813A - Full life cycle management system for metering device - Google Patents
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Abstract
The invention discloses a full life cycle management system of a metering device, which comprises a quality inspection sensing terminal and a data analysis terminal, wherein the quality inspection sensing terminal is used for acquiring environmental data of the metering device and sending the environmental data to the data analysis terminal; the data analysis terminal is used for carrying out fault analysis on the metering device according to the environmental data, generating a data acquisition instruction according to a fault analysis result, and sending the data acquisition instruction to the quality inspection sensing terminal, so that the quality inspection sensing terminal sends the environmental data according to the data acquisition instruction. From this, directly gather metering device's data information from the source, realized the unified collection to metering device environmental data, solved in the past the electric wire netting and be difficult to carry out the difficult problem of unified collection to each producer's metering device data, simultaneously, carry out failure analysis according to the environmental data who gathers, can provide data support for the improvement of later stage product quality, be favorable to product quality's promotion.
Description
Technical Field
The invention relates to the technical field of metering device detection, in particular to a full life cycle management system of a metering device.
Background
The accuracy of the metering result is directly influenced by the quality of the metering device, and in order to improve the reliability of the metering device, all the metering devices need to be strictly checked before leaving a factory, cannot be directly used by users after leaving the factory, and can be delivered to end users through a strict verification party of a power grid metering department.
However, in the actual use process, a large number of technical problems still occur in the metering device, and the reason for this phenomenon is that the working conditions of the actual application scene and the working conditions of the verification workshop are different, so that various quality problems of the metering device in the actual use process are frequent. In order to solve the quality problems, if the traditional methods of spot check and multiple check and verification are still used, the quality problems of the metering device can not be eradicated obviously, the only solution is to carry out full life cycle management and control on the metering device of each manufacturer, track the detection result of each link of the metering device and the application condition of a use scene from the verification stage when the product leaves the factory, track and manage the quality of the metering device from multiple dimensions and multiple directions, and finally realize that the manufacturer is improved according to the actual working condition of the application scene by taking a power grid user as the leading factor, thereby realizing the improvement of the product quality.
Although the problem of frequent quality can be well solved by carrying out full life cycle management and control on the metering device of each manufacturer, the verification equipment of each manufacturer is a customized product due to numerous manufacturers for producing the metering device, and the verification equipment cannot be mutually interconnected and intercommunicated, so that the power grid is difficult to uniformly collect the data of the metering device of each manufacturer, and the promotion of the product quality of the metering device is not facilitated.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, a first objective of the present invention is to provide a full life cycle management system for a metering device, which directly collects data information of the metering device from a source, thereby implementing uniform collection of environmental data of the metering device, solving the problem that it is difficult for a power grid to uniformly collect data of the metering device of each manufacturer in the past, and meanwhile, performing fault analysis according to collected environmental data, so as to provide data support for improvement of product quality at a later stage, thereby facilitating improvement of product quality, and generating a data collection instruction according to a fault analysis result, thereby implementing collection and transmission of key environmental data, and facilitating reduction of burden of network transmission.
The second objective of the present invention is to provide a quality inspection sensing terminal.
A third object of the present invention is to provide a data analysis terminal.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides a full life cycle management system for a metering device, where the system includes a quality inspection sensing terminal and a data analysis terminal, where the quality inspection sensing terminal is configured to collect environmental data of the metering device and send the environmental data to the data analysis terminal; the data analysis terminal is used for carrying out fault analysis on the metering device according to the environmental data, generating a data acquisition instruction according to a fault analysis result, and sending the data acquisition instruction to the quality inspection sensing terminal, so that the quality inspection sensing terminal sends the environmental data according to the data acquisition instruction.
According to the full-life-cycle management system of the metering device, the environmental data of the metering device is collected through the quality inspection sensing terminal and is sent to the data analysis terminal, the data analysis terminal carries out fault analysis on the metering device according to the environmental data, the data collection instruction is regenerated according to the fault analysis result and is fed back to the quality inspection sensing terminal, the quality inspection sensing terminal carries out environmental data collection according to the data collection instruction, and the newly collected environmental data are sent to the data analysis terminal. From this, direct data information from the source to metering device gathers, the unified collection to metering device environmental data has been realized, the difficult problem that the electric wire netting was difficult to carry out unified collection to the metering device data of each producer in the past has been solved, and simultaneously, carry out failure analysis according to the environmental data who gathers, can provide data support for the improvement of later stage product quality, be favorable to product quality's promotion, and can generate data acquisition instruction according to the failure analysis result, in order to realize sending the collection of key environmental data, be favorable to reducing network transmission's burden.
According to one embodiment of the invention, the quality inspection sensing terminal comprises a sensing module, a communication module and a control module, wherein the sensing module is used for collecting environmental data of the metering device; the control module is used for sending the environment data to the data analysis terminal through the communication module.
According to one embodiment of the invention, the sensing module includes at least one of a temperature sensor, a humidity sensor, a barometric pressure sensor, an illumination intensity sensor, an altitude sensor, and a magnetic field strength sensor.
According to one embodiment of the invention, the communication module comprises a wired communication module and a wireless communication module, wherein the wired communication module comprises a wired public network sub-module and/or a power carrier sub-module; the wireless communication module comprises a wireless public network sub-module and/or a micro-power wireless sub-module.
According to an embodiment of the present invention, the control module is further configured to determine a type of the communication module, and determine a data transmission manner according to the type, wherein when the communication module is a wired public network sub-module, a power carrier sub-module, or a wireless public network sub-module, the control module configures a transmission route in a direct connection manner, and performs data transmission based on the transmission route; and when the communication module is a micro-power wireless sub-module, the control module transmits data based on the AODVjr algorithm.
According to an embodiment of the present invention, the control module is specifically configured to: acquiring the address of the node and the address of a target node, wherein the target node is a quality inspection sensing terminal or a data analysis terminal; determining the maximum transmission distance of the data packet according to the address of the node and the address of the destination node; if the transmission distance of the current data packet is greater than the maximum transmission distance, discarding the current data packet; and if the transmission distance of the current data packet is less than or equal to the maximum transmission distance, transmitting the current data packet.
According to an embodiment of the present invention, the control module is specifically configured to: determining whether the node and the destination node are in a parent-child relationship or not according to the address of the node and the address of the destination node; if the node and the destination node are in a parent-child relationship, acquiring an absolute value of a difference value between the network depth of the node and the network depth of the destination node to obtain a maximum transmission distance; if the node and the destination node are not in a parent-child relationship, determining a common parent node of the node and the destination node, obtaining a difference value between the network depth of the node and the network depth of the common parent node to obtain a first difference value and a difference value between the network depth of the destination node and the network depth of the common parent node to obtain a second difference value, and summing the first difference value and the second difference value to obtain the maximum transmission distance.
According to one embodiment of the invention, the control module is further configured to: if the node and the destination node are in a parent-child relationship, determining the address of the next hop node according to the address of the node and the address of the destination node; and if the node and the destination node are not in a parent-child relationship, taking the address of the parent node of the node as the address of the next-hop node.
According to one embodiment of the invention, the control module is further configured to: and acquiring a node pressure value of the adjacent node, and prohibiting sending of a data packet to the adjacent node when the node pressure value of the adjacent node exceeds a preset pressure value, wherein the node pressure value is used for indicating the congestion degree of the adjacent node.
According to one embodiment of the invention, the quality inspection sensing terminal further comprises a positioning module, wherein the positioning module is used for determining the position data of the quality inspection sensing terminal; the control module is also used for sending the position data and the environment data to the data analysis terminal through the communication module.
According to one embodiment of the invention, the data analysis terminal performs fault analysis on the environmental data based on a gray ELM prediction model.
According to an embodiment of the present invention, the data analysis terminal is specifically configured to: generating an environment data amplitude sequence according to the environment data; accumulating the environment data amplitude sequence to obtain an accumulated amplitude sequence; training an ELM neural network by using an amplitude sequence generated by accumulation to obtain a development coefficient and a gray effect quantity; determining a gray differential equation of a gray prediction model according to the development coefficient and the gray acting quantity, and calculating the general solution of the gray differential equation to obtain a generation sequence prediction value; and performing accumulation reduction on the generated sequence predicted value to obtain a predicted value of the environmental data amplitude sequence, and identifying whether the metering device has a fault risk or not according to the predicted value.
According to one embodiment of the invention, the data analysis terminal further performs normalization processing on the environmental data before generating the environmental data amplitude sequence according to the environmental data.
According to an embodiment of the invention, the data analysis terminal is further configured to perform non-negative processing on the environment data magnitude sequence and perform negative processing on the predicted value.
In order to achieve the above object, a second embodiment of the present invention provides a quality inspection sensing terminal, which includes a sensing module, a communication module, and a control module, wherein the sensing module is configured to collect environmental data of a metering device; the control module is used for sending the environmental data to the data analysis terminal through the communication module according to the data acquisition instruction so that the data analysis terminal can carry out fault analysis on the metering device according to the environmental data and generate the data acquisition instruction according to a fault analysis result.
According to the quality inspection sensing terminal provided by the embodiment of the invention, the sensing module is used for collecting the environmental data of the metering device, and the control module is used for sending the environmental data to the data analysis terminal through the communication module according to the data collection instruction, so that the data analysis terminal can analyze the fault of the metering device according to the environmental data and generate the data collection instruction according to the fault analysis result. From this, directly gather metering device's data information from the source, realized the unified collection to metering device environmental data, solved in the past the electric wire netting and be difficult to carry out the difficult problem of unified collection to each producer's metering device data, simultaneously, carry out failure analysis according to the environmental data who gathers, can provide data support for the improvement of later stage product quality, be favorable to product quality's promotion.
In order to achieve the above object, a third embodiment of the present invention provides a data analysis terminal, including: the receiving module is used for receiving the environment data of the metering device sent by the quality inspection sensing terminal; and the analysis module is used for carrying out fault analysis on the metering device according to the environmental data, generating a data acquisition instruction according to a fault analysis result, and sending the data acquisition instruction to the quality inspection sensing terminal so that the quality inspection sensing terminal sends the environmental data according to the data acquisition instruction.
According to the data analysis terminal provided by the embodiment of the invention, the receiving module is used for receiving the environmental data of the metering device sent by the quality inspection sensing terminal, the analysis module is used for carrying out fault analysis on the metering device according to the environmental data, generating a data acquisition instruction according to the fault analysis result and sending the data acquisition instruction to the quality inspection sensing terminal, so that the quality inspection sensing terminal can send the environmental data according to the data acquisition instruction. From this, carry out failure analysis according to the environmental data of gathering, can provide data support for the improvement of later stage product quality, be favorable to product quality's promotion to can generate data acquisition instruction according to the failure analysis result, with the realization is sent the collection of key environmental data, be favorable to reducing network transmission's burden.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic diagram of a full lifecycle management system for a metering device, according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a quality inspection sensing terminal according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a communication module according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a quality inspection sensing terminal according to another embodiment of the present invention;
FIG. 5 is a block diagram of a gray ELM prediction model according to one embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a quality inspection sensing terminal according to another embodiment of the present invention;
fig. 7 is a schematic structural diagram of a data analysis terminal according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The following describes a full life cycle management system, a quality inspection sensing terminal, and a data analysis terminal of a metering device according to an embodiment of the present invention with reference to the drawings.
Fig. 1 is a schematic structural diagram of a full-life-cycle management system of a metering device according to an embodiment of the present invention. As shown in fig. 1, the full lifecycle management system 10 of the metering device comprises: quality control perception terminal 11 and data analysis terminal 12.
The quality inspection sensing terminal 11 is used for acquiring environmental data of the metering device and sending the environmental data to the data analysis terminal 12; the data analysis terminal 12 is used for performing fault analysis on the metering device according to the environmental data, generating a data acquisition instruction according to a fault analysis result, and sending the data acquisition instruction to the quality inspection sensing terminal 11, so that the quality inspection sensing terminal 11 sends the environmental data according to the data acquisition instruction.
It should be noted that, in order to improve the reliability of the metering devices, all the metering devices need to be strictly checked before being shipped from the factory, and the metering devices cannot be directly used by users after being shipped from the factory, and also need to be delivered to end users by a strict verification party of a power grid metering department.
However, in the actual use process, a large number of technical problems still occur in the metering device, and the reason for this phenomenon is that the working conditions of the actual application scene and the working conditions of the verification workshop are different, so that various quality problems of the metering device in the actual use process are frequent. In order to solve the quality problems, if the traditional methods of spot check and multiple check and verification are still used, the quality problems of the metering device can not be eradicated obviously, the only solution is to carry out full life cycle management and control on the metering device of each manufacturer, track the detection result of each link of the metering device and the application condition of a use scene from the verification stage when the product leaves the factory, track and manage the quality of the metering device from multiple dimensions and multiple directions, and finally realize that the manufacturer is improved according to the actual working condition of the application scene by taking a power grid user as the leading factor, thereby realizing the improvement of the product quality.
Although the problem of frequent quality can be well solved by carrying out full life cycle management and control on the metering device of each manufacturer, the verification equipment of each manufacturer is a customized product due to numerous manufacturers for producing the metering device, and the verification equipment cannot be mutually interconnected and intercommunicated, so that the power grid is difficult to uniformly collect the data of the metering device of each manufacturer, and the promotion of the product quality of the metering device is not facilitated.
Based on this, in some embodiments of the present invention, as shown in fig. 1, the quality inspection sensing terminal 11 in the full life cycle management system 10 of the metering device is installed in various practical application scenes and verification workshops, and directly collects data information of the metering device in the practical application scenes and the verification workshops from a source, thereby realizing unified collection of environmental data of the metering device, replacing the problem that each original manufacturer firstly performs self-collection of environmental data through customized verification equipment, and then performs docking with a power grid system to complete transmission of the environmental data, solving the problem that the power grid is difficult to perform unified collection of the metering device data of each manufacturer in the past, and reducing workload of data collection.
The environmental data collected by the quality inspection sensing terminal 11 includes both the environmental data of the actual application scene and the environmental data of the verification workshop, therefore, the summary of the environmental data of the actual application scene and the verification workshop can be realized, the quality inspection sensing terminal 11 sends the summarized environmental data to the data analysis terminal 12, when the metering device fails, the data analysis terminal 12 performs failure analysis based on the environmental data to determine environmental influencers at the time of failure occurrence, because the collected environmental data integrates the practical application scene and the environmental data of the verification workshop, the fault of the metering device can be comprehensively analyzed from multiple dimensions, so that the cause of the fault can be better found out and the fault of the metering device can be more accurately predicted, and then for the improvement of later stage product quality provides data support, be favorable to product quality's promotion.
The data analysis terminal 12 can also determine the environmental factors causing the fault according to the fault analysis result, therefore, only the environmental factors causing the fault are collected by counting the environmental factors causing the fault, the environmental factors which cannot cause the fault are ignored, the corresponding data collection instruction is regenerated according to the environmental factors causing the fault, and the quality inspection sensing terminal 11 collects the corresponding environmental data according to the regenerated data collection instruction, so that the important collection of the environmental information causing the fault can be realized, the uploading of the collected data can be reduced, and the network transmission pressure of the data can be reduced.
From this, direct data information from the source to metering device gathers, the unified collection to metering device environmental data has been realized, the difficult problem that the electric wire netting was difficult to carry out unified collection to the metering device data of each producer in the past has been solved, and simultaneously, carry out failure analysis according to the environmental data who gathers, can provide data support for the improvement of later stage product quality, be favorable to product quality's promotion, and can generate data acquisition instruction according to the failure analysis result, in order to realize sending the collection of key environmental data, be favorable to reducing network transmission's burden.
In some embodiments, as shown in fig. 2, the quality inspection sensing terminal 11 includes a sensing module 111, a communication module 112, and a control module 113, where the sensing module 111 is configured to collect environmental data of the metering device; the control module 113 is configured to send the environment data to the data analysis terminal 12 through the communication module 112.
Further, the sensing module 111 includes at least one of a temperature sensor, a humidity sensor, a barometric pressure sensor, an illumination intensity sensor, an altitude sensor, and a magnetic field intensity sensor.
Specifically, as shown in fig. 2, the quality inspection sensing terminal 11 collects the environmental data of the metering device through the internal sensing module 111, for example, when the sensing module 111 includes a temperature sensor, a humidity sensor, an air pressure sensor, an illumination intensity sensor, an altitude sensor and a magnetic field intensity sensor, the quality inspection sensing terminal 11 may obtain the temperature data, the humidity data, the air pressure data, the illumination intensity data, the altitude data and the magnetic field intensity data of the environment where the metering device is located, and the control module 113 controls the communication module 112 to send the obtained temperature data, humidity data, air pressure data, illumination intensity data, altitude data and magnetic field intensity data to the data analysis terminal 12.
When the metering device fails, the data analysis terminal 12 may determine environmental factors causing the failure according to the failure analysis result, when the failure statistical analysis result shows that temperature, humidity and air pressure are causes of the failure of the metering device, corresponding temperature acquisition, humidity acquisition and air pressure acquisition instructions may be generated and issued to the quality inspection sensing terminal 11, the quality inspection sensing terminal 11 may acquire corresponding temperature data, humidity data and air pressure data according to the temperature acquisition, humidity acquisition and air pressure acquisition instructions, for other sensors, the control module 113 may directly control the illumination intensity sensor, the altitude sensor and the magnetic field intensity sensor to be turned off to avoid obtaining data information, or control to prohibit uploading of data acquired by the illumination intensity sensor, the altitude sensor and the magnetic field intensity sensor to reduce the uploading of environmental information, therefore, the important collection of the environmental information causing the fault can be realized, and the network transmission pressure of the data is reduced.
In some embodiments, as shown in fig. 3, the communication module 112 includes a wired communication module 1121 and a wireless communication module 1122, and the wired communication module 1121 includes a wired public network sub-module and/or a power carrier sub-module; the wireless communication module 1122 includes a wireless public network sub-module and/or a micro-power wireless sub-module.
Further, the control module 113 is further configured to determine a type of the communication module 112, and determine a data transmission manner according to the type, where when the communication module 112 is a wired public network sub-module, a power carrier sub-module, or a wireless public network sub-module, the control module 113 configures a transmission route in a direct connection manner, and performs data transmission based on the transmission route; when the communication module 112 is a micro-power wireless sub-module, the control module 113 performs data transmission based on the AODVjr algorithm.
Specifically, as shown in fig. 3, the communication module 112 includes a wired communication module 1121 and a wireless communication module 1122, the wired communication module 1121 may include a wired public network sub-module or a power carrier sub-module, and may further include both a public network sub-module and a power carrier sub-module, and the wireless communication module 1122 may include a wireless public network sub-module or a micropower wireless sub-module, and may further include both a wireless public network sub-module and a micropower wireless sub-module.
In a general situation, in a practical application scenario of the metering device, a power carrier submodule and/or a micropower wireless submodule is mainly used as the communication module 112, and a wired public network submodule and/or a wireless public network submodule is mainly used as the communication module 112 in a calibration workshop of the metering device.
In order to ensure the reliability of network transmission, the control module 113 adopts different data transmission modes according to the type of the communication module 112, and if the communication module 112 is a wired public network submodule, a power carrier submodule or a wireless public network submodule, when a transmission route is configured, the control module 113 configures the transmission route in a direct connection mode to carry out data transmission, namely, a transmission strategy which does not consider communication interruption and carries out remediation is adopted; when the communication module 112 is a micro-power wireless sub-module, in order to avoid a large-scale network congestion caused by channel collision due to simultaneous data transmission by a plurality of nodes, the control module 113 performs data transmission based on the AODVjr algorithm.
In some embodiments, the control module 113 is specifically configured to: acquiring the address of the node and the address of a target node, wherein the target node is a quality inspection sensing terminal or a data analysis terminal; determining the maximum transmission distance of the data packet according to the address of the node and the address of the destination node; if the transmission distance of the current data packet is greater than the maximum transmission distance, discarding the current data packet; and if the transmission distance of the current data packet is less than or equal to the maximum transmission distance, transmitting the current data packet.
Further, the control module 113 is specifically configured to: determining whether the node and the destination node are in a parent-child relationship or not according to the address of the node and the address of the destination node; if the node and the destination node are in a parent-child relationship, acquiring an absolute value of a difference value between the network depth of the node and the network depth of the destination node to obtain a maximum transmission distance; if the node and the destination node are not in a parent-child relationship, determining a common parent node of the node and the destination node, obtaining a difference value between the network depth of the node and the network depth of the common parent node to obtain a first difference value and a difference value between the network depth of the destination node and the network depth of the common parent node to obtain a second difference value, and summing the first difference value and the second difference value to obtain the maximum transmission distance.
Specifically, when the communication module 112 is a micropower wireless sub-module, a plurality of source nodes are likely to collide and interfere with each other when sending data to the central master coordinator, and therefore, when the node initiates a route discovery to the destination node, the AODVjr algorithm is used to perform data transmission, that is, the maximum transmission distance of a data packet is preferentially calculated according to the addresses of the node and the destination node, and once the transmission distance of the data packet exceeds the maximum transmission distance, the node itself will actively drop the received data packet, thereby effectively avoiding collision interference, that is, only when the transmission distance of the data segment message packet is less than or equal to the maximum transmission distance, the node will send the received data packet. It should be noted that the destination node may be a quality inspection sensing terminal or a data analysis terminal, that is, when data is sent from the quality inspection sensing terminal to the data analysis terminal, the data analysis terminal is regarded as the destination node, and when the data is fed back from the data analysis terminal to the quality inspection sensing terminal, the quality inspection sensing terminal is regarded as the destination node.
Determining the maximum transmission distance of data packet according to the address of the node and the address of the destination node, firstly determining whether the node and the destination node are in parent-child relationship according to the address of the node and the address of the destination node, assuming that the address of the node is A and the depth of the node is d A Destination node address is D, destination node depth is D D And determining whether the node and the destination node are in a parent-child relationship according to the following formula, wherein the maximum transmission distance of the data packet is Lm:
wherein,
as the address of the present node,
in order to be the address of the destination node,
the number of address spaces which can be allocated to the node when the network depth is d + 1.
When the address A of the node and the address D of the destination node satisfy the relationship of the formula (1), the destination node is a descendant of the node, that is, the node and the destination node are in a parent-child relationship, otherwise, the node and the destination node are not in a parent-child relationship.
If the node and the destination node are in a parent-child relationship, the maximum transmission distance of the data packet is equal to the absolute value of the difference between the depths of the two nodes, namely
。
If the node and the destination node are not in a parent-child relationship, the network depth of the common parent node is assumed to be d F The maximum transmission distance of the data packet between the node and the destination node is equal to the value of the data packet after the maximum transmission distance is calculated and superposed with the depth difference of the parent node and the destination node respectively, that is to say
。
In some embodiments, the control module 113 is further configured to: if the node and the destination node are in a parent-child relationship, determining the address of the next hop node according to the address of the node and the address of the destination node; and if the node and the destination node are not in a parent-child relationship, taking the address of the parent node of the node as the address of the next-hop node.
Specifically, when the node and the destination node are judged to be in a parent-child relationship, the address of the next-hop node is determined according to the address of the node and the address of the destination node, and the address of the next-hop node is determined according to the following formula:
wherein,
in order to be the address of the next-hop node,
as the address of the present node,
in order to be the address of the destination node,
the number of address spaces that the node can allocate when the network depth is d,
the maximum number of child routing nodes that can be in the destination node.
If the node and the destination node are not in a parent-child relationship, the address of the parent node of the node is used as the address of the next-hop node, that is, when the node and the destination node are not in a parent-child relationship, the next hop returns to the parent node of the node, and the parent node of the node reselects the address of the next-hop node.
Therefore, by the method for selecting the next hop node address, the optimal transmission route can be obtained, so that network collision in the transmission process is effectively avoided, the utilization rate of the network is improved, and the occurrence of network congestion is further avoided.
In some embodiments, the control module 113 is further configured to: and acquiring a node pressure value of the adjacent node, and prohibiting sending of a data packet to the adjacent node when the node pressure value of the adjacent node exceeds a preset pressure value, wherein the node pressure value is used for indicating the congestion degree of the adjacent node.
Specifically, on the basis of the planned transmission route, node pressure values of adjacent nodes are also obtained, the node pressure values represent the congestion degree of the adjacent nodes, the larger the node pressure values are, the more congested the adjacent nodes are, when data are transmitted along the planned transmission route, when the pressure values of some two adjacent nodes are found to exceed a preset pressure value, the node congestion is indicated, data transmission between the two nodes is stopped, and the data are immediately transmitted to the adjacent node with the smallest pressure value, so that the network burden is relieved.
Therefore, the congestion of the network can be avoided, the unbalanced network load can be effectively solved, the flow distribution in the network is more uniform and reasonable, and the transmission delay is further reduced.
In some embodiments, as shown in fig. 4, the quality control sensing terminal 11 further includes a positioning module 114, where the positioning module 114 is configured to determine the position data of the quality control sensing terminal 11; the control module 113 is also used to send the location data and the environment data to the data analysis terminal 12 through the communication module 112.
Specifically, as shown in fig. 4, the quality inspection sensing terminal 11 may obtain, through the positioning module 114, the position data of the current quality inspection sensing terminal 11, and form a complete database with the position data obtained by the positioning module 114 and the environment data obtained by the sensing module 111, so as to facilitate the later-stage search of the metering device with the fault during fault analysis. It should be noted that the positioning module in the present application includes, but is not limited to, a GPS positioning module and a beidou positioning module.
In some embodiments, the data analysis terminal 12 performs fault analysis on the environmental data based on a gray ELM predictive model.
Specifically, the data analysis terminal 12 performs fault analysis on the environmental data based on a gray ELM prediction model, the gray ELM prediction model combines a gray prediction model with an ELM neural network, the gray prediction model has the advantages of low requirement on data volume, high prediction precision and capability of processing non-stationary time sequences, the ELM neural network has the advantages of high learning efficiency, good generalization performance and no falling into a local minimum problem, and the combination of the gray prediction model and the ELM neural network can not only retain the advantages of the gray prediction model, but also optimize the fitting process of a gray differential equation in the gray prediction model through the ELM neural network, improve the problem of insufficient mapping relation in the least square solution process, improve the fitting precision of parameters, enhance the prediction effect of the gray model, and further improve and improve the accurate prediction of the correlation between the fault and the generation reason of the metering device.
In some embodiments, the data analysis terminal 12 is specifically configured to: generating an environment data amplitude sequence according to the environment data; accumulating the environment data amplitude sequence to obtain an accumulated amplitude sequence; training an ELM neural network by using an accumulated generated amplitude sequence to obtain a development coefficient and a gray effect quantity; determining a gray differential equation of a gray prediction model according to the development coefficient and the gray action quantity, and calculating a general solution of the gray differential equation to obtain a generation sequence prediction value; and carrying out accumulation reduction on the generated sequence predicted value to obtain a predicted value of the environment data amplitude sequence, and identifying whether the metering device has a fault risk according to the predicted value.
Further, the data analysis terminal 12 performs normalization processing on the environment data before generating the environment data amplitude sequence according to the environment data.
Specifically, before the environment data amplitude sequence is generated according to the environment data, normalization processing is carried out on the environment data, and the situation that physical quantities of different units cannot be directly calculated is prevented.
Specifically, as shown in fig. 5, the gray ELM prediction model first generates an environmental data amplitude sequence according to the environmental data, and assumes that the generated environmental data amplitude sequence is
，
In the formula,
（4）
wherein,
is the kth environmental data collected when the fault occurred.
Referring to FIG. 5, a sequence of magnitudes for environmental data is shown
Performing Accumulation (AGO) to obtain an accumulated generated amplitude sequence
，
In the formula,
（6）
wherein,
is the accumulated value of the accumulated k pieces of environment data.
The amplitude sequence generated by accumulation can weaken the random fluctuation of the sequence and dig out the depth rule of the sequence.
Generating the generated accumulation into a magnitude sequence
As training input data of the ELM neural network, as shown in FIG. 5, the number K of hidden layer nodes is set, and input weight a generated randomly is set i And unit deviation b i Calculating the hidden layer cell output matrix by
：
Wherein,
in order to output the weight matrix,
is the desired output.
At this time, the ELM neural network training is to solve the output weight matrix
The specific calculation formula of the least square norm solution is as follows:
wherein,
outputting matrices for hidden layer elements
The generalized inverse matrix of (2).
According to the output weight matrix
The least squares norm solution of (a) yields a coefficient of development (a) and an amount of gray contribution (b).
That is, in the ELM neural network training process, the output weight matrix is solved
And comparing the output value obtained by each calculation with an expected value, and adjusting the development coefficient a and the gray action amount b according to the comparison result until the output value of the neural network is consistent with the expected value, so as to obtain the optimal values of the development coefficient a and the gray action amount b.
And calculating a general solution of the ash differential equation according to the development coefficient a and the ash action amount b and obtaining a generation sequence predicted value.
The general solution to the ash differential equation is as follows:
wherein,
accumulated prediction values for accumulated k +1 environmental data.
Thereby generating sequence prediction values
。
And carrying out accumulation reduction (IAGO) on the generated sequence predicted value to obtain the predicted value of the environment data amplitude sequence.
The predicted value of each element of the environmental data amplitude sequence is calculated by the following formula:
wherein,
is a predicted value of the (k + 1) th environmental data,
for the accumulated prediction values of the accumulated k +1 environment data,
accumulated prediction values for the accumulated k environment data.
Therefore, by obtaining the predicted value of the environment data amplitude sequence, when the metering device data is collected, the potential fault can be predicted, the potential fault can be maintained in advance, and therefore loss caused by the fault is reduced.
It should be noted that, because a large amount of data is needed for training in the early stage of the gray ELM prediction model, fault data detected by each manufacturer can be used as training data of the model, and during training, the correlation between each parameter and the fault is counted, a common fault and parameter association table is established, and the table data can also guide the selection of the acquisition parameters, for example, some sensors which have little influence on the fault are turned off, so as to save network transmission resources.
In some embodiments, the data analysis terminal 12 is further configured to perform non-negative processing on the sequence of magnitude values of the environmental data and negative processing on the predicted values.
Specifically, in performing gray prediction, it is required that the magnitude sequence of the environmental data generated from the environmental data is a non-negative sequence, therefore, for a magnitude sequence with negative numbers, it is necessary to perform non-negative processing on the magnitude sequence of the environment data, and optionally, all numbers in the sequence are added to the absolute value of the minimum value in the magnitude sequence, thereby converting the sequence of environmental data magnitudes to a non-negative sequence, accumulating the environmental data magnitudes converted to the non-negative sequence to obtain an accumulated generated magnitude sequence, after the predicted value of the environmental data amplitude sequence is obtained by carrying out accumulation reduction according to the generated sequence predicted value in the later period, the predicted value also needs to be subjected to negative processing, the absolute value of the minimum value in the amplitude sequence is subtracted from the predicted value of the environment data amplitude sequence to obtain the predicted value of the real environment data amplitude sequence containing the negative number, so that the prediction of the environment data containing the negative number can be realized.
In summary, according to the full-life-cycle management system of the metering device in the embodiment of the present invention, the quality control sensing terminal collects the environmental data of the metering device and sends the environmental data to the data analysis terminal, the data analysis terminal performs fault analysis on the metering device according to the environmental data, the data collection instruction is generated again according to the fault analysis result and is fed back to the quality control sensing terminal, the quality control sensing terminal performs environmental data collection according to the data collection instruction, and sends the environmental data collected again to the data analysis terminal. From this, direct data information from the source to metering device gathers, the unified collection to metering device environmental data has been realized, the difficult problem that the electric wire netting was difficult to carry out unified collection to the metering device data of each producer in the past has been solved, and simultaneously, carry out failure analysis according to the environmental data who gathers, can provide data support for the improvement of later stage product quality, be favorable to product quality's promotion, and can generate data acquisition instruction according to the failure analysis result, in order to realize sending the collection of key environmental data, be favorable to reducing network transmission's burden.
Fig. 6 is a schematic structural diagram of a quality inspection sensing terminal according to another embodiment of the present invention. As shown in fig. 6, the quality inspection sensing terminal 11 includes a sensing module 111, a communication module 112, and a control module 113.
The sensing module 111 is used for acquiring environmental data of the metering device; the control module 113 is configured to send the environment data to the data analysis terminal through the communication module 112 according to the data acquisition instruction, so that the data analysis terminal performs fault analysis on the metering device according to the environment data, and generates a data acquisition instruction according to a fault analysis result.
It should be noted that, for the description of the quality inspection sensing terminal in the present application, please refer to the description of the full life cycle management system of the metering device in the present application, and detailed description thereof is omitted here.
According to the quality inspection sensing terminal provided by the embodiment of the invention, the sensing module is used for collecting environmental data of the metering device, and the control module is used for sending the environmental data to the data analysis terminal through the communication module according to the data collection instruction, so that the data analysis terminal can analyze the fault of the metering device according to the environmental data and generate the data collection instruction according to the fault analysis result. From this, directly gather metering device's data information from the source, realized the unified collection to metering device environmental data, solved in the past the electric wire netting and be difficult to carry out the difficult problem of unified collection to each producer's metering device data, simultaneously, carry out failure analysis according to the environmental data who gathers, can provide data support for the improvement of later stage product quality, be favorable to product quality's promotion.
Fig. 7 is a schematic structural diagram of a data analysis terminal according to an embodiment of the present invention. As shown in fig. 7, the data analysis terminal 12 includes a receiving module 121 and an analyzing module 122.
The receiving module 121 is configured to receive environment data of the metering device sent by the quality inspection sensing terminal; the analysis module 122 is used for performing fault analysis on the metering device according to the environmental data, generating a data acquisition instruction according to a fault analysis result, and sending the data acquisition instruction to the quality inspection sensing terminal, so that the quality inspection sensing terminal sends the environmental data according to the data acquisition instruction.
It should be noted that, for the description of the data analysis terminal in the present application, please refer to the description of the full life cycle management system of the metering device in the present application, and details are not repeated herein.
According to the data analysis terminal provided by the embodiment of the invention, the receiving module is used for receiving the environmental data of the metering device sent by the quality inspection sensing terminal, the analysis module is used for carrying out fault analysis on the metering device according to the environmental data, generating a data acquisition instruction according to the fault analysis result and sending the data acquisition instruction to the quality inspection sensing terminal, so that the quality inspection sensing terminal can send the environmental data according to the data acquisition instruction. From this, carry out failure analysis according to the environmental data of gathering, can provide data support for the improvement of later stage product quality, be favorable to product quality's promotion to can generate data acquisition instruction according to the failure analysis result, with the realization is sent the collection of key environmental data, be favorable to reducing network transmission's burden.
It should be noted that the logic and/or steps shown in the flowcharts or otherwise described herein, such as an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (16)
1. The full life cycle management system of the metering device is characterized by comprising a quality inspection sensing terminal and a data analysis terminal, wherein,
the quality inspection perception terminal is used for acquiring environmental data of the metering device and sending the environmental data to the data analysis terminal;
the data analysis terminal is used for carrying out fault analysis on the metering device according to the environment data, generating a data acquisition instruction according to a fault analysis result, and sending the data acquisition instruction to the quality inspection sensing terminal, so that the quality inspection sensing terminal can send the environment data according to the data acquisition instruction.
2. The management system of claim 1, wherein the quality inspection sensing terminal comprises a sensing module, a communication module and a control module,
the sensing module is used for collecting environmental data of the metering device;
the control module is used for sending the environment data to the data analysis terminal through the communication module.
3. The management system of claim 2, wherein the perception module comprises at least one of a temperature sensor, a humidity sensor, a barometric pressure sensor, an illumination intensity sensor, an altitude sensor, and a magnetic field strength sensor.
4. The management system of claim 2, wherein the communication module comprises a wired communication module and a wireless communication module, the wired communication module comprises a wired public network sub-module and/or a power carrier sub-module; the wireless communication module comprises a wireless public network sub-module and/or a micro-power wireless sub-module.
5. The management system of claim 4, wherein the control module is further configured to determine a type of the communication module and determine a data transmission manner according to the type, wherein,
when the communication module is the wired public network submodule, the power carrier submodule or the wireless public network submodule, the control module configures a transmission route in a direct connection mode and carries out data transmission based on the transmission route;
and when the communication module is the micro-power wireless sub-module, the control module transmits data based on the AODVjr algorithm.
6. The management system of claim 5, wherein the control module is specifically configured to:
acquiring an address of the node and an address of a destination node, wherein the destination node is the quality inspection sensing terminal or the data analysis terminal;
determining the maximum transmission distance of the data packet according to the address of the node and the address of the destination node;
if the transmission distance of the current data packet is greater than the maximum transmission distance, discarding the current data packet;
and if the transmission distance of the current data packet is less than or equal to the maximum transmission distance, transmitting the current data packet.
7. The management system of claim 6, wherein the control module is specifically configured to:
determining whether the local node and the destination node are in a parent-child relationship according to the address of the local node and the address of the destination node;
if the node and the destination node are in a parent-child relationship, acquiring an absolute value of a difference value between the network depth of the node and the network depth of the destination node to obtain the maximum transmission distance;
if the node and the destination node are not in a parent-child relationship, determining a common parent node of the node and the destination node, obtaining a difference between the network depth of the node and the network depth of the common parent node to obtain a first difference and a difference between the network depth of the destination node and the network depth of the common parent node to obtain a second difference, and summing the first difference and the second difference to obtain the maximum transmission distance.
8. The management system of claim 7, wherein the control module is further configured to:
if the local node and the destination node are in a parent-child relationship, determining the address of a next hop node according to the address of the local node and the address of the destination node;
and if the node and the destination node are not in a parent-child relationship, taking the address of the parent node of the node as the address of the next hop node.
9. The management system of any of claims 6-8, wherein the control module is further configured to:
and acquiring a node pressure value of an adjacent node, and prohibiting sending the data packet to the adjacent node when the node pressure value of the adjacent node exceeds a preset pressure value, wherein the node pressure value is used for indicating the congestion degree of the adjacent node.
10. The management system according to claim 2, wherein the quality control sensing terminal further comprises a positioning module, and the positioning module is configured to determine location data of the quality control sensing terminal; the control module is further used for sending the position data and the environment data to the data analysis terminal through the communication module.
11. The management system according to claim 1, wherein the data analysis terminal performs fault analysis on the environmental data based on a gray ELM prediction model.
12. The management system according to claim 11, wherein the data analysis terminal is specifically configured to:
generating an environment data amplitude sequence according to the environment data;
accumulating the environment data amplitude sequence to obtain an accumulated amplitude sequence;
training an ELM neural network by utilizing the accumulated generated amplitude sequence to obtain a development coefficient and a gray effect quantity;
determining a gray differential equation of a gray prediction model according to the development coefficient and the gray acting quantity, and calculating a general solution of the gray differential equation to obtain a generation sequence prediction value;
and carrying out accumulation reduction on the generated sequence predicted value to obtain the predicted value of the environment data amplitude sequence, and identifying whether the metering device has a fault risk according to the predicted value.
13. The management system of claim 12, wherein the data analysis terminal further normalizes the environmental data prior to generating the sequence of environmental data magnitudes from the environmental data.
14. The management system of claim 12, wherein the data analysis terminal is further configured to non-negatively process the sequence of environmental data magnitudes and negatively process the predicted values.
15. A quality detection sensing terminal is characterized by comprising a sensing module, a communication module and a control module, wherein,
the sensing module is used for acquiring environmental data of the metering device;
the control module is used for sending the environment data to a data analysis terminal through the communication module according to a data acquisition instruction so that the data analysis terminal can carry out fault analysis on the metering device according to the environment data and generate the data acquisition instruction according to a fault analysis result.
16. A data analysis terminal, comprising:
the receiving module is used for receiving the environment data of the metering device sent by the quality inspection sensing terminal;
and the analysis module is used for carrying out fault analysis on the metering device according to the environmental data, generating a data acquisition instruction according to a fault analysis result, and sending the data acquisition instruction to the quality inspection sensing terminal so that the quality inspection sensing terminal can send the environmental data according to the data acquisition instruction.
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