WO2023236836A1 - 故障工单的质检方法、设备及存储介质 - Google Patents
故障工单的质检方法、设备及存储介质 Download PDFInfo
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Definitions
- the embodiments of the present application relate to but are not limited to the field of communication technology, and in particular, to a quality inspection method, equipment and storage medium for fault work orders.
- operation and maintenance includes that after a fault occurs, a work order is dispatched for processing after analysis, delimitation and positioning. After the processing is completed, a quality inspection of the fault work order is required to check whether the fault has been cleared and the corresponding processing - including fault handling and fault description. --is it right or not. Due to the large number of faulty work orders, operators' traditional method of quality inspection for work order processing is manual random inspection. Although with the development of AI, automatic intelligent quality inspection has also been applied to quality inspection. However, among related technologies, intelligent quality inspection usually The fault category and solution method will be matched and verified from one dimension to determine whether the quality of the work order is qualified. The accuracy of intelligent quality inspection is low.
- the embodiments of this application provide a quality inspection method, equipment and storage medium for fault work orders.
- inventions of the present application provide a quality inspection method for faulty work orders.
- the quality inspection method includes: obtaining work order data corresponding to the work order to be inspected; inputting the work order data into a preset Perform multi-dimensional work order factor correlation analysis and processing in the perspective model to obtain the quality inspection classification information corresponding to the work order.
- embodiments of the present application also provide an electronic device, including: a memory, a processor, and a computer program stored in the memory and executable on the processor.
- the processor executes the computer program, the first step is implemented.
- embodiments of the present application also provide a computer-readable storage medium that stores computer-executable instructions.
- the computer-executable instructions are used to implement the quality of the fault work order as described in any one of the first aspects. inspection method.
- Figure 1 is a general schematic diagram of the module of the quality inspection device for fault work orders in the embodiment of the present application
- FIG. 2 is a detailed schematic diagram of the module of the quality inspection device for fault work orders in the embodiment of the present application
- Figure 3 is the parameters set by the work order setting module in the embodiment of this application.
- FIG. 4 is a detailed schematic diagram of the module of the quality inspection device for fault work orders in the embodiment of the present application.
- Figure 5 is a schematic flow chart of the quality inspection method of fault work orders in the embodiment of the present application.
- Figure 6 is a schematic flow chart of perspective model processing in the embodiment of the present application.
- Figure 7 is a schematic diagram of the processing results of the work order quantum model in the embodiment of the present application.
- Figure 8 is a work order processed by the quality inspection method of the fault work order in the embodiment of the present application.
- Figure 9 is another work order processed by the quality inspection method of the fault work order in the embodiment of the present application.
- Figure 10 is a schematic diagram of the origin of the work order vector quantum model in the embodiment of the present application.
- Figure 11 is a schematic flowchart of accuracy improvement during perspective model training in the embodiment of the present application.
- Figure 12 is a schematic flow chart of an embodiment of the quality inspection method using fault work orders in the embodiment of the present application.
- Figure 13 is a schematic flow chart of historical work order processing using the quality inspection method of fault work orders in the embodiment of the present application.
- Figure 14 is a schematic diagram of the process of improving perspective model accuracy using the quality inspection method of fault work orders in the embodiment of the present application;
- Figure 15 is a schematic diagram of the hardware structure of the electronic device in the embodiment of the present application.
- operation and maintenance includes that after a fault occurs, a work order is dispatched for processing after analysis, delimitation and positioning. After the processing is completed, a quality inspection of the fault work order is required to check whether the fault has been cleared and the corresponding processing - including fault handling and fault description. --is it right or not. Due to the large number of faulty work orders, operators' traditional method of quality inspection for work order processing is manual random inspection. Although with the development of AI, automatic intelligent quality inspection has also been applied to quality inspection.
- the embodiment of the present application provides a quality inspection device for faulty work orders, including an acquisition module 100 and a classification module 200.
- the acquisition module 100 is configured to acquire a work order corresponding to a work order to be inspected.
- the data; classification module 200 is configured to input work order data into a preset perspective model to perform multi-dimensional work order factor correlation analysis processing to obtain quality inspection classification information corresponding to the work order.
- multi-dimensional work order factors include analysis of single dimensions of work order processing process and processing time, as well as analysis of related dimensions of work order processing process and processing time.
- the classification module 200 includes a vector conversion module 210, a duration analysis module 220, and a multi-classification module.
- Processing module 230 wherein the outputs of the vector conversion module 210 and the duration analysis module 220 are input data of the multi-classification processing module 230, and the multi-classification processing module 230 outputs quality inspection classification information.
- the work order data may be unpreprocessed data in the work order.
- the quality inspection device for faulty work orders also includes a work order The setting module 300.
- the work order setting module 300 is configured to determine, according to the preset work order fields, the settings of multiple parameters extracted from the work order for multi-dimensional work order factor correlation and the settings of the model parameters of the perspective model.
- the parameter settings of the work order setting module 300 may be as shown in Figure 3 .
- the work order data for processing by the classification module 200 can be extracted from the work order by calling the work order setting module 300 (corresponding to the data in the configured work order fields except the quality inspection fields and quality inspection keywords).
- the quality inspection device for fault work orders also includes a content extraction module 400.
- the content extraction module 400 calls the work order setting module 300 to extract multi-dimensional work order factors, and performs one-hot encoding on the work order.
- the data is transformed so that the classification model can process it more efficiently.
- the vector conversion module 210 vectorizes the one-hot encoding obtained in the content extraction module 400 to obtain a work order vector;
- the duration analysis module 220 analyzes the processing duration corresponding to different fault cause categories obtained in the content extraction module 400 to obtain the duration Abnormal probability value;
- the multi-classification processing module 230 performs multi-dimensional analysis on the duration abnormal probability value and work order vector to obtain quality inspection classification information.
- the quality inspection classification information is obtained .
- the work order data may be processed data.
- the acquisition module 100 calls the content extraction module 400, and the content extraction module 400 passes the work
- the order setting module 300 determines the work order data.
- the vector conversion module 210 extracts the required processing process data from the work order data and performs vectorization processing.
- the duration analysis module 220 extracts the duration data from the work order data and performs duration probability distribution processing. The duration exception was obtained and the value was changed.
- the work order fields configured in the work order setting module 300 include, for example, "work order number”, “order dispatch time”, “faulty equipment”, and “fault cause category processing measures” , “Fault Clearing Time”, “Fault Clearing Time”, “Fault Description” and “Quality Inspection Field”, “Quality Inspection Keyword”, where "Quality Inspection Field” corresponds to quality inspection classification information; "Quality Inspection Keyword” is used To indicate whether the work order is qualified for quality inspection, the "quality inspection field” and “quality inspection keyword” are used to set labels before perspective model training for supervised training. The common word segmentation, one-hot encoding, etc.
- the work order setting module 300 is used in the content extraction module 400 and the vector conversion module 210 to perform one-hot encoding and vectorization processing respectively.
- the left and right standard deviation of the duration distribution in the work order setting module 300 is used In order to divide the duration anomaly probability into intervals, the return value of the duration anomaly probability has a corresponding relationship with the interval.
- the work order setting module 300 can be manually modified and adjusted through the terminal.
- topological structures shown in Figures 1, 2 and 4 do not limit the embodiments of the present application, and may include more or less components than those shown in the figures, or some combinations. components, or different arrangements of components.
- an embodiment of the present application also proposes a quality inspection method for fault work orders.
- the quality inspection method includes steps S100 and S200.
- Step S100 Obtain work order data corresponding to the work order to be inspected.
- the work order data can be the original content in the work order, or it can be pre-processed data that can be directly parsed by the perspective model. This is not limited by the embodiments of the present application.
- the work order data is preprocessed data, and the work order setting module 300 is called through the content extraction module 400 to extract the data used to calculate the work order vector.
- the processing process data and duration analysis module 220 is used for processing duration data of duration abnormality probability distribution.
- the data used for processing by the work order setting module 300 is a plurality of one-hot encoded data obtained by extracting content from the work order and performing one-hot encoding.
- Step S200 Input the work order data into a preset perspective model to perform multi-dimensional work order factor correlation analysis processing to obtain quality inspection classification information corresponding to the work order.
- multi-dimensional work order factor correlation analysis processing includes single-dimensional analysis of processing time, single-dimensional analysis of processing process information, and analysis of the correlation between processing time and processing process.
- the quality inspection classification information is used to characterize the reasons for unqualified quality inspection, such as the fault clearing time is wrong, the work order fault cause is wrong, the fault cause classification does not match the fault description.
- the reasons for quality inspection failure can be quickly clarified, and during further random inspections, work orders that failed quality inspection can be quickly obtained for retraining the model to improve the quality inspection accuracy of the perspective model.
- the quality inspection can then be determined through the rationality between the multi-dimensional work order factors.
- embodiments of the present application can perform multi-dimensional correlation analysis. Therefore, embodiments of the present application can improve the accuracy of intelligent quality inspection.
- weight learning will be performed on each dimension, and then the quality inspection classification information can be determined based on the corresponding weights after feature extraction.
- the perspective model includes a work order vector sub-model, a duration sub-model and a multi-class sub-model. Therefore, by integrating the work order vector quantum model, duration sub-model and multi-class sub-model into one perspective model, during training, the output of the work order vector quantum model and duration sub-model can be reversely adjusted according to the multi-class sub-model. In turn, the output accuracy of the multi-class sub-model is higher, and the quality inspection accuracy of the entire perspective model is higher.
- step S200 is to input work order data into a preset perspective model to perform multi-dimensional work order factor correlation analysis processing to obtain quality inspection classification information corresponding to the work order, including step S210- S230.
- Step S210 Vectorize the work order data through the work order vector sub-model to obtain a work order vector.
- the work order vector sub-model uses historical work orders as a corpus, and outputs corresponding word vectors for fault categories, basic information, and fault operation data. At this time, the work order vector is the sum of multiple corresponding word vectors.
- the work order vector contains processing process data, such as fault category, basic information (such as occurrence location, device type, device hardware parameters (such as IP, etc.)), as well as processing measures and fault description.
- the work order vector sub-model vectorizes the processing data, so that the work order vector can represent the processing process of the work order.
- one-hot encoding can be performed on multiple sub-items of the processing data (such as one-hot encoding on the equipment type and one-hot encoding on the processing measures), and the work order vector quantum model performs one-hot encoding on each After the word vectorization process, the summation process is performed to obtain the work order vector.
- the work order vector that can be obtained is a software fault.
- Step S220 Predict the duration distribution of the work order data through the duration sub-model to obtain the duration anomaly probability value.
- the duration sub-model obtains the duration anomaly probabilities of different fault cause categories through historical work orders, and performs statistical analysis on four time fields, order dispatch time, alarm clearing time, fault elimination time, and fault description time. obtained model.
- the duration sub-model is used to predict and judge the distribution probability of time-related data in the work order data.
- the return value of the duration sub-model is between 0-1, and 0-1 represents the probability of a problem, that is, 0 means There is no problem at all. 1 means there is definitely a problem. The closer it is to 1, such as 0.85, the greater the probability that there may be a problem.
- the duration sub-model sets the probability value distributed in the corresponding interval based on the left and right standard deviations obtained from historical work order statistics; if the distribution is within one standard deviation, 0.33 is returned; if the distribution is within two Within one standard time difference, 0.66 is returned.
- the alarm clearing time is no later than the fault clearing time. If it is later than the fault clearing time, 1 is returned. For example, if the fault description contains time information, it needs to correspond to the dispatch time and the fault clearing time. , if it is earlier than the order dispatch time or later than the fault elimination time, 1 will be returned; for example, for different fault cause categories, the difference between the fault elimination time and the order dispatch time must have its own duration distribution.
- Step S230 Perform multi-dimensional feature extraction on the work order vector and duration anomaly probability value through the multi-classification sub-model to obtain quality inspection classification information.
- the processing process and duration processing can be associated, and features can be extracted separately for each dimension, thereby improving the output of the perspective model. accuracy.
- the fault says that the fault is a pigtail failure and the fault will be restored after the pigtail is replaced, but the time from the order dispatch time to the fault recovery does not exceed 10 minutes. Judging from the experience of historical work orders, unlike troubleshooting such as software restart or call recovery, replacing pigtails requires preparing materials and going to the station. In addition, the replacement time will definitely exceed 30 minutes.
- the root cause of this fault may be It is not a pigtail fault, it may even be that the fault has automatically recovered, and the handling may not be realistic.
- the power outage fault is repaired after a call is received, but the fault clearing time is earlier than the alarm recovery time. This is also problematic.
- the main module is fine and the alarm is cleared.
- some auxiliary modules still need to wait for verification after restarting. Therefore, it is necessary to wait until all relevant alarms are cleared before confirming system recovery.
- the embodiment of the present application by adding the analysis of this dimension of the duration abnormality probability value and combining it with the correlation analysis of the fault description in the work order vector, the quality inspection classification information can be more accurately identified.
- the quality inspection method before step S210, also includes: determining multiple one-hot encoding data according to the work order data, wherein the multiple one-hot encoding data respectively correspond to the basic data of the work order, the fault cause category and the fault. Operation data.
- step S210 is to vectorize the work order data through the work order vector quantum model to obtain the work order vector, including: vectorizing multiple one-hot encoding data through the work order vector quantum model to obtain the work order vector. .
- the basic work order data, fault cause categories and fault operation data are all process data of the work order. After performing one-hot encoding on the basic work order data, fault cause categories and fault operation data respectively, the corresponding data can be obtained. of one-hot encoded data. By first performing one-hot encoding and then performing vectorization processing, the processing efficiency of work order vectors can be improved.
- the basic work order data includes the network element type.
- the basic work order data includes the location of occurrence, the faulty network element, and the network element type. Specifically, this field can appropriately increase the dimension of judgment based on the actual situation and the type of network element.
- Fault operation data is the content obtained from the processing measures and fault description word segmentation in the work order. Among them, the fault operation data does not contain time-related information.
- Word2Vec is used to segment the work order information into words and then vectorize it.
- the word vector model is trained to obtain a work order vector quantum model.
- the word segmentation can be such as Jieba (stammering) word segmentation, etc.
- common words, dictionaries and stop words need to be set. These words can be input via external Enter the setting (work order setting module 300 shown in Figure 2). When the training effect is not good, it may be necessary to adjust the dictionary to make the word segmentation more reasonable and the obtained vector representation to be better.
- the bag-of-words model (CBOW) and skip-gram model (Skip-Gram) in Word2Vec are used for training, where the bag-of-words model (CBOW) uses surrounding context words to predict the center word.
- Probability, skip-gram model (Skip-Gram) uses the center word to predict the probability of context words.
- the so-called work order quantum model is To get the model of the middle hidden layer, it is a word vector model, which can also be called word vector embedding.
- the basic work order data, fault cause category and fault operation data will be extracted and one-hot encoded respectively before processing the work order vector quantum model.
- the work order data is preprocessed data, and the plurality of one-hot encoding data are one of the work order data.
- the work orders are normalized before being loaded into the system to obtain the corresponding content of the work order fields in the work orders with the same format as shown in Figure 3 ( Excluding quality inspection fields and quality inspection keywords).
- the quality inspection method before step S220, also includes: extracting fault category, fault description time and fault processing time data from the work order data; correspondingly, step S220, performing the work order data through the duration sub-model.
- Duration probability prediction to obtain the duration abnormality probability value includes: using the duration sub-model to predict the duration distribution of fault category, fault description time and fault processing time data to obtain the duration abnormality probability value.
- fault description time and fault processing time data can be extracted from the work order data through content extraction; the fault description time represents the time included in the fault description field; fault processing Time data includes work order dispatch time, alarm clearing time, and alarm clearing time.
- step S230 is to perform multi-dimensional feature extraction on the work order vector and the duration abnormality probability value through a multi-classification sub-model to obtain quality inspection classification information; including: performing vector features on the work order vector through a multi-classification sub-model. Extraction and fault type feature extraction to obtain the first feature data corresponding to the vector feature and the second feature data corresponding to the fault type feature; perform multi-dimensional duration feature extraction on the duration abnormal probability value through a multi-classification sub-model to obtain the third feature data; The first feature data, the second feature data and the third feature data are weighted through the multi-classification sub-model, and quality inspection classification information is output according to the weight processing results.
- weight training will be performed on the work order vector and duration abnormal probability value respectively to obtain the weight of the work order vector, the weight corresponding to the fault type in the work order vector, and the corresponding duration probability value.
- the weight can then be used to weight the first feature data, the second feature data and the third feature data through the multi-classification sub-model after feature extraction to determine the probability distribution of the work order corresponding to the quality inspection classification, and then Get quality inspection classification information.
- the feature extraction of the abnormal duration probability value includes two aspects.
- the first aspect is to determine whether the abnormal duration probability value is an abnormal basic dimension based on the duration abnormal probability value. If the duration abnormal probability value is 1, then 1 is output, indicating that the fault processing time is error. Secondly, the output will be based on the duration anomaly probability interval distribution dimension. For example, the distribution dimension is set to (0,0.33], (0.33,0.66], (0.66,1]; then when the corresponding dimension is satisfied, the corresponding dimension will be set is 1, and the remaining dimensions are set to 1.
- the third feature data includes basic dimension anomaly features and duration distribution probability features.
- step S230 is to perform multi-dimensional feature extraction on the work order vector and duration anomaly probability value through a multi-classification sub-model to obtain quality inspection classification information; it also includes: performing similarity analysis on the work order vector through a multi-classification sub-model.
- Feature extraction is used to obtain the fourth feature data; correspondingly, the first feature data, the second feature data and the third feature data are weighted through the multi-classification sub-model, and quality inspection classification information is output according to the weight processing results, including: The first feature data, the second feature data, the third feature data and the fourth feature data are weighted through the multi-classification sub-model, and quality inspection classification information is output according to the weight processing results.
- the preset quality inspection categories are A, B, C, D, and E.
- the difference between the current work order vector and the historical standard work order vector will be judged. Similarity, when the similarity is greater than the preset threshold, the value of the corresponding quality inspection classification is set to 1, and the rest are set to 0. At this time, the fourth feature data of this dimension can be obtained.
- the perspective model is trained through the following steps: label the historical work order set according to the preset fault classification to obtain a labeled training set; extract work order data from the labeled training set to obtain a sample labeled training set;
- the annotated training set is used as the input data of the work order vector quantum model and the duration sub-model of the preset machine learning model.
- the output of the work order vector quantum model and the output of the duration sub-model are both used as the input of the multi-classification sub-model of the machine learning model.
- Data, the quality inspection data of the annotated training set are used as the expected output of the multi-classification sub-model, and the machine learning model is trained to obtain the perspective model.
- the content of the historical work order is extracted and the model parameters are adjusted according to the work order setting parameters.
- the corresponding quality inspection data such as quality inspection overview and quality inspection results, will be configured after the historical work order to represent the status of the quality inspection after a faulty work order is processed, such as whether the quality inspection is qualified, and whether the quality inspection is qualified.
- Reasons for unqualified inspections such as "wrong fault clearing time” or "fault cause classification does not match the fault description", etc., so that these quality inspection data can be extracted as the classification of unqualified quality inspection (that is, the expected output of the model).
- the historical work order set will be annotated with the quality inspection data for supervised training, so that the expected output will be one of the contents of the quality inspection data.
- the quality inspection classification of the perspective model in the embodiment of the present application performs correlation analysis based on multiple dimensions, and is more accurate.
- the traditional similarity relies on the similarity of word vectors to determine the similarity.
- Especially Chinese requires word segmentation processing to obtain word vectors. For example, “single board software failure” can be split into three words, “single board”, “single board”. "Software” and “fault” can also be split into two words: “single board” and "software fault”. Then there will be deviations in the word segmentation, such as improper segmentation of "hardware fault” and "hardware”, “fault” or improper dictionary settings. , it is easy to produce deviations. It is obviously incorrect to think that software faults and hardware faults are highly similar.
- the embodiment of the present application also performs accuracy improvement training on the machine learning model with the help of similarity through steps S310 to S350.
- the method for handling a fault work order further includes steps S310-S350.
- Step S310 During the training process of the machine learning model, count the training failure data subset when the training fails.
- training failure indicates a classification error.
- Step S320 Calculate the similarity corresponding to each failed data in the training failed data subset to obtain a similarity set.
- the similarity is calculated by calculating the similarity between each failed data and its matching historical work orders.
- resemblance Degree is used to characterize the degree of similarity between failure data and historical work orders that are expected to match.
- Step S330 Based on the similarity set, determine whether to adjust the word segmentation dictionary and/or the work order corpus used for vectorization processing of the work order vector sub-model.
- multiple failure data with low similarity are selected from the similarity set.
- the work order vector quantum model is trained through the failure data and based on the multi-classification sub-model. The output determines whether to continue adjusting the word segmentation dictionary and work order corpus.
- Step S340 Based on the similarity set, determine whether to adjust the left and right standard deviation of the duration distribution of the duration sub-model.
- the setting of the similarity threshold itself will also affect the correctness of the judgment, such as 70% similarity or 90% similarity.
- the actual processing cannot be considered correct because the setting is too high, but the quality inspection is considered unqualified; Therefore, when the similarity threshold is set in a relatively reasonable range and the failed data all meet the similarity threshold, the accuracy of the perspective model output can be improved by adjusting the left and right standard deviation of the duration distribution of the duration model.
- the left and right standard deviation of the duration distribution is used to measure the interval in which the input duration data is located, and then determine the output duration anomaly probability value.
- Step S350 Determine whether to adjust the model parameters of the multi-classification submodel based on the similarity set and the output of the duration submodel.
- the model parameters include at least one of the fault classification, the fault label corresponding to the fault classification, and the hyperparameter.
- the hyperparameters can be adjusted first.
- the fault classification and the fault label corresponding to the fault classification will be processed with priority. If the output of the eldest child model is correct at that time, the fault classification is redefined and the fault classification label is adjusted, so that the machine learning model is retrained.
- any one or more steps from step S320 to step S350 can be selected to improve model training.
- the training and use of perspective models are described in detail with reference to FIGS. 11 to 14 .
- the historical work order set is imported through the model training module, and the work order content is extracted through the content extraction module 400 for each historical work order in the historical work order set to obtain the processing process data (basic data, fault category and fault operation data ) and time-related data, and perform one-hot encoding on multiple sub-data in the processing data to obtain multiple one-hot encoded data.
- Work order vectorization is performed on multiple one-hot encoding data through the work order vector sub-model.
- the duration sub-model predicts duration distribution anomalies for time-related data.
- the multi-class sub-model predicts the output of work order vectorization and duration distribution anomalies.
- the output is used for feature extraction to perform supervised learning.
- similarity and duration model output verification is performed on the sub-data that failed in training.
- iterative update is performed and vectorization processing and duration model training are performed again.
- the perspective model is released, and the artifacts to be inspected are extracted through the content extractor and segmented and one-hot encoded in sequence.
- the work order vector quantum model, duration sub-model and multi-category sub-model of the perspective model are passed. The model performs feature extraction and outputs quality inspection classification information.
- the quality inspection data of the historical work orders will be extracted, and the historical work orders that have passed the quality inspection will be labeled as qualified, and the historical work orders that have failed the quality inspection will be classified and labeled as qualified.
- the work orders are extracted into quality inspection categories, and multi-category labels are set for those that fail the quality inspection; supervised training can then be carried out based on the label settings.
- the history of training failure will be Collect work orders, summarize the work orders with low similarity, and re-adjust the word segmentation and historical work order corpus to reprocess the work order vector (that is, retrain the work order vector quantum model).
- the similarity meets the predetermined
- adjust the abnormal probability distribution of the work order processing time that is, retrain and adjust the duration sub-model.
- the output of the eldest sub-model is normal, then adjust the multi-classification categories and labels to re-train the multi-class model. Training of classification submodels.
- the training data is adjusted again, and a new round of second generation is performed smoothly until the unsupervised monitoring is normal.
- the embodiments of the present application also provide an electronic device, including: a memory, a processor, and a computer program stored in the memory and executable on the processor.
- the processor executes the computer program, the fault in the first aspect is realized. Quality inspection methods for work orders.
- the electronic device proposed in the embodiment of this application can learn and train historical work orders to obtain a perspective model, and perform multi-dimensional correlation on the essence of fault work order processing.
- work order processing content including fault cause classification
- work order Comprehensive judgment based on factors such as processing time and processing process can not only determine whether the work order is processed correctly, but also provide specific links in abnormal work order processing for reference in subsequent work order processing and quality inspection.
- the perspective model of the embodiment of this application is a comprehensive algorithm, method and model. It extracts multi-dimensional features from the work order processing content, uses the statistical probability distribution of the work order processing time, and uses different fault types. Vectorized similarity learning for work order processing, and finally a model of multi-classification machine learning.
- memory can be used to store non-transitory software programs and non-transitory computer executable programs.
- the memory may include high-speed random access memory and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid-state storage device.
- the memory may optionally include memory located remotely from the processor, and the remote memory may be connected to the processor via a network. Examples of the above-mentioned networks include but are not limited to the Internet, intranets, local area networks, mobile communication networks and combinations thereof.
- the electronic device includes: a processor 510, a memory 520, an input/output interface 530, a communication interface 540 and a bus 550.
- the processor 510 can be implemented by a general-purpose CPU (Central Processing Unit, central processing unit), a microprocessor, an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), or one or more integrated circuits, for execution.
- a general-purpose CPU Central Processing Unit, central processing unit
- a microprocessor central processing unit
- ASIC Application Specific Integrated Circuit
- ASIC Application Specific Integrated Circuit
- the memory 520 can be implemented in the form of ROM (Read Only Memory), static storage device, dynamic storage device or RAM (Random Access Memory).
- the memory 520 can store operating systems and other application programs.
- the relevant program codes are stored in the memory 520 and called by the processor 510 to execute the disclosed implementation. Classification prediction method of the example model.
- Input/output interface 530 is used to implement information input and output.
- Communication interface 540 is used to realize communication interaction between this device and other devices. Communication can be achieved through wired methods (such as USB, network cables, etc.) or wirelessly (such as mobile networks, WIFI, Bluetooth, etc.); and bus 550, information is transferred between various components of the device (eg, processor 510, memory 520, input/output interface 530, and communication interface 540).
- wired methods such as USB, network cables, etc.
- wirelessly such as mobile networks, WIFI, Bluetooth, etc.
- bus 550 information is transferred between various components of the device (eg, processor 510, memory 520, input/output interface 530, and communication interface 540).
- the processor 510, the memory 520, the input/output interface 530 and the communication interface 540 implement communication connections between each other within the device through the bus 550.
- This application also provides a computer-readable storage medium that stores computer-executable instructions, and the computer-executable instructions are used to implement the quality inspection method of the fault work order of the first aspect.
- Embodiments of this application include: obtaining the work order data corresponding to the work order to be inspected, and performing multi-dimensional work order factor correlation analysis and processing on the work order data through a perspective model, and then through reasonable correlation between the multi-dimensional work order factors.
- the embodiments of the present application can perform multi-dimensional correlation analysis to accurately determine the quality inspection classification information. Therefore, the embodiments of the present application can improve the accuracy of intelligent quality inspection.
- Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disk (DVD) or other optical disk storage, magnetic cassettes, tapes, disk storage or other magnetic storage devices, or may Any other medium used to store the desired information and that can be accessed by a computer.
- communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism, and may include any information delivery media .
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Abstract
提供了一种故障工单的质检方法、设备及存储介质,故障工单的质检方法包括:获取待质检的工单对应的工单数据(S100);将工单数据输入到预设的透视模型中进行多维度工单因素关联分析处理,得到工单对应的质检分类信息(S200)。通过获取待质检工单对应的工单数据,并通过透视模型进对工单数据进行多维度工单因素关联分析处理,进而可以通过多维度工单因素之间的合理性确定质检分类信息。
Description
相关申请的交叉引用
本申请基于申请号为202210630838.3、申请日为2022年6月6日的中国专利申请提出,并要求该中国专利申请的优先权,该中国专利申请的全部内容在此引入本申请作为参考。
本申请实施例涉及但不限于通信技术领域,尤其涉及一种故障工单的质检方法、设备及存储介质。
随着网络复杂化,应用多样性,数据爆炸,对设备(如运营商和设备商的通信设备)自动化和智能化的运维诉求与日俱增。其中,运维包括故障发生后,经过分析定界定位后派出工单执行处理,处理完毕后需要进行故障工单质检,检查本次故障是否已经清除,相应处理--包括故障处理和故障描述--是否正确。由于故障工单数量庞大,运营商对工单处理质量检查的传统做法是人工抽检,虽然随着AI的发展,自动智能质检也随之应用于质检,但是相关技术中,智能质检通常会从一个维度进行故障类别与解决手段的匹配校验,来判断工单是否质量合格,智能质检的准确率低。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本申请实施例提供了一种故障工单的质检方法、设备及存储介质。
第一方面,本申请实施例提供了一种故障工单的质检方法,所述质检方法包括:获取待质检的工单对应的工单数据;将所述工单数据输入到预设的透视模型中进行多维度工单因素关联分析处理,得到所述工单对应的质检分类信息。
第二方面,本申请实施例还提供了电子设备,包括:存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,所述处理器执行所述计算机程序时实现如第一方面任意一项所述的故障工单的质检方法。
第三方面,本申请实施例还提供了一种计算机可读存储介质,存储有计算机可执行指令,所述计算机可执行指令用于实现如第一方面任意一项所述的故障工单的质检方法。
图1是本申请实施例中故障工单的质检装置的模块总示意图;
图2是本申请实施例中故障工单的质检装置的模块细节示意图;
图3是本申请实施例中工单设置模块设置的参数;
图4是本申请实施例中故障工单的质检装置的模块细节示意图;
图5是本申请实施例中故障工单的质检方法的流程示意图;
图6是本申请实施例中透视模型处理的流程示意图;
图7是本申请实施例中工单向量子模型处理结果的示意图;
图8是本申请实施例中故障工单的质检方法处理的工单;
图9是本申请实施例中故障工单的质检方法处理的另一工单;
图10是本申请实施例的工单向量子模型的由来的示意图;
图11是本申请实施例中透视模型训练过程中精度提升的流程示意图;
图12是本申请实施例中应用故障工单的质检方法的实施例的流程示意图;
图13是本申请实施例中应用故障工单的质检方法的历史工单处理的流程示意图;
图14是本申请实施例中应用故障工单的质检方法的实施例的透视模型精度提升流程示意图;
图15是本申请实施例中电子设备的硬件结构示意图。
为了使本申请的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本申请进行进一步详细说明。应当理解,此处所描述的具体实施例仅用以解释本申请,并不用于限定本申请。
需要说明的是,虽然在装置示意图中进行了功能模块划分,在流程图中示出了逻辑顺序,但是在某些情况下,可以以不同于装置中的模块划分,或流程图中的顺序执行所示出或描述的步骤。说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象,而不必用于描述特定的顺序或先后次序。
附图中所示的流程图仅是示例性说明,不是必须包括所有的内容和操作/步骤,也不是必须按所描述的顺序执行。例如,有的操作/步骤还可以分解,而有的操作/步骤可以合并或部分合并,因此实际执行的顺序有可能根据实际情况改变。
随着网络复杂化,应用多样性,数据爆炸式增长,对设备(如运营商和设备商的通信设备)自动化和智能化的运维诉求与日俱增。其中,运维包括故障发生后,经过分析定界定位后派出工单执行处理,处理完毕后需要进行故障工单质检,检查本次故障是否已经清除,相应处理--包括故障处理和故障描述--是否正确。由于故障工单数量庞大,运营商对工单处理质量检查的传统做法是人工抽检,虽然随着AI的发展,自动智能质检也随之应用于质检,但是相关技术中,智能质检通常从一个维度进行故障类别与解决手段的匹配校验,来判断工单是否质量合格,但是实际应用中,工单上的信息往往由现场运维人员进行填写,为了迎合质检的要求,填写时,存在与实际情况不符的情况,因此,仅通过故障类别与解决手段进行匹配校验,会导致智能质检的准确率低。基于此,本申请实施例提出一种故障工单的质检方法、设备及存储介质,能提升故障工单质检的准确率。
参照图1所示的实施例,本申请实施例提供一种故障工单的质检装置,包括获取模块100和分类模块200,获取模块100被设置成获取待质检的工单对应的工单数据;分类模块200被设置成将工单数据输入到预设的透视模型中进行多维度工单因素关联分析处理,得到工单对应的质检分类信息。
需说明的是,多维度工单因素包括工单处理过程、处理时长单一维度的分析以及工单处理过程和处理时长关联维度的分析。
在一些实施例中,分类模块200包括向量转换模块210、时长分析模块220以及多分类
处理模块230,其中,向量转换模块210和时长分析模块220的输出均多分类处理模块230的输入数据,多分类处理模块230输出质检分类信息。
需说明的是,参照图1所示的实施例,工单数据可以是工单中未预处理的数据,在一些示例中,参照图2所示,故障工单的质检装置还包括工单设置模块300,工单设置模块300用于按照预设的工单字段,确定从工单中提取用于多维度工单因素关联的多个参数的设置和透视模型的模型参数的设置。具体的,工单设置模块300的参数设置可参照图3所示。此时,通过调用工单设置模块300可以从工单中提取出用于分类模块200处理的工单数据(对应配置工单字段中除质检字段、质检关键字以外的数据)。在另一些实施例中,故障工单的质检装置还包括内容抽取模块400,内容抽取模块400调用工单设置模块300进行多维度工单因素的提取,并通过独热编码的方式对工单数据进行转换以使分类模型可以更加高效的处理。向量转换模块210将内容抽取模块400中得到的独热编码进行向量化处理,得到工单向量;时长分析模块220将内容抽取模块400中得到的不同故障原因类别对应的处理时长进行解析,得到时长异常概率值;多分类处理模块230对时长异常概率值、工单向量进行多维度解析,得到质检分类信息。通过在分类模块200调用内容抽取模块400对工单数据进行预处理,进而通过向量转换模块210、时长分析模块220以及多分类处理模块230对预处理后的工单数据处理,得到质检分类信息。
需说明的是,参照图1所示的实施例,工单数据可以是处理后的数据,在一些示例中,参照图4所示,获取模块100调用内容抽取模块400,内容抽取模块400通过工单设置模块300确定工单数据,此时,向量转换模块210从工单数据中提取所需的处理过程数据进行向量化处理,时长分析模块220从工单数据中提取时长数据进行时长概率分布处理得到时长异常改了值。
需说明的是,参照图3所示的实施例,工单设置模块300中配置工单字段包括如“工单号”、“派单时间”、“故障设备”、“故障原因类别处理措施”、“故障清除时间”、“故障消除时间”、“故障描述”以及“质检字段”、“质检关键字”,其中“质检字段”对应质检分类信息;“质检关键字”用于表征工单质检是否合格,“质检字段”以及“质检关键字”用于透视模型训练前的标签设置,以进行有监督的训练。其中工单设置模块300中的分词常用词、独热编码等用于内容抽取模块400以及向量转换模块210分别进行独热编码和向量化处理,工单设置模块300中的时长分布左右标准差用于对时长异常概率进行区间划分,时长异常概率返回值与该区间设有对应关系。工单设置模块300可以通过终端进行手动修改和调整。
本领域技术人员可以理解的是,图1、图2和图4中示出的拓扑结构并不构成对本申请实施例的限定,可以包括比图示更多或更少的部件,或者组合某些部件,或者不同的部件布置。
参照图5所示,本申请的实施例还提出一种故障工单的质检方法,质检方法包括步骤S100、S200。
步骤S100、获取待质检的工单对应的工单数据。
需说明的是,工单数据可以是工单中的原始内容,也可以是经过预处理后能被透视模型直接解析的数据,对此,本申请实施例不做限制。如,参照图4所示的实施例,工单数据为预处理后的数据,通过内容抽取模块400调用工单设置模块300提取出用于计算工单向量的
处理过程数据以及时长分析模块220用于时长异常概率分布的处理时长数据。在另一些实施例中,用于工单设置模块300处理的数据为工单中抽取内容后进行独热编码得到的多个独热编码数据。
步骤S200、将工单数据输入到预设的透视模型中进行多维度工单因素关联分析处理,得到工单对应的质检分类信息。
需说明的是,多个工单因素包括处理时长、处理过程信息(如故障原因分类、设备形态、处理措施、处理描述等)。在一些示例中,多维度工单因素关联分析处理包括对处理时长进行单维度分析,对处理过程信息进行单维度分析,并对处理时长和处理过程的关联关系进行分析。
需说明的是,质检分类信息,用于表征质检不合格的原因,如故障清除时间错误,工单故障原因错误,故障原因分类与故障描述不匹配。通过质检分类信息可以快速明确质检不合格的原因进而在进一步抽检时能快速获取质检失败的工单进行重新模型训练,以提升透视模型的质检精度。
因此,通过获取待质检工单对应的工单数据,并通过透视模型进对工单数据进行多维度工单因素关联分析处理,进而可以通过多维度工单因素之间的合理性确定质检分类信息,相对于相关技术中简单的规则匹配,本申请的实施例能进行多维度的关联分析,因此,本申请的实施例能提升智能质检的准确率。
需说明的是,透视模型在训练时,会对每一维度进行权重学习,进而可以在进行特征提取后,基于对应的权重确定出质检分类信息。
可理解的是,透视模型包括工单向量子模型、时长子模型以及多分类子模型。因此,通过将工单向量子模型、时长子模型以及多分类子模型集成在一个透视模型中,在训练时,能根据多分类子模型反向调整工单向量子模型和时长子模型的输出,进而使得多分类子模型的输出精度更高,此时整个透视模型的质检精度更高。
可理解的是,参照图6所示,步骤S200、将工单数据输入到预设的透视模型中进行多维度工单因素关联分析处理,得到工单对应的质检分类信息,包括步骤S210-S230。
步骤S210、通过工单向量子模型对工单数据进行向量化处理,得到工单向量。
需说明的是,通过工单向量的方式处理,可以提升模型处理的效率。工单向量子模型是将历史工单作为语料库,分别对故障类别、基础信息以及故障操作数据输出对应的词向量,此时工单向量为对应的多个词向量之和。
在一些实施例中,工单向量包含了处理过程数据,如故障类别、基础信息(如发生地点、设备类型、设备硬件参数(如IP等))以及处理措施和故障描述。工单向量子模型对处理过程数据进行向量化处理,进而使得工单向量可以表征工单的处理过程。
在一些实施例中,可以对处理过程数据的多个子项分别进行独热编码(如对设备类型进行独热编码,对处理措施进行独热编码),工单向量子模型对每一独热编码进行词向量化处理后进行加和处理,得到工单向量,在一些示例中,参照图7所示,词向量为单板软件、崩溃,则可以得到的工单向量为软件故障。
步骤S220、通过时长子模型对工单数据进行时长分布预测,得到时长异常概率值。
需说明的是,时长子模型是通过历史工单得到不同故障原因类别的时长异常概率,通过对四个时间字段,派单时间,告警清除时间,故障消除时间,故障描述时间,进行统计分析
得到的模型。
需说明的是,时长子模型是对工单数据中时间相关的数据进行分布概率预测判断,时长子模型返回值为0-1之间,0-1之间代表出问题的概率,即0表示完全没问题,1表示肯定有问题,越靠近1,如为0.85,则表示可能有问题的概率越大。在一些实施例中,时长子模型根据历史工单统计得到的左右标准差,并根据左右标准差设置分布于对应区间的概率值;如分布在一个标准差内,则返回0.33;若分布在两个标准时间差内,则返回0.66,如大于两个标准时间差,则返回0.99,表示异常概率很大。在一些示例中,正常情况下,告警清除时间不晚于故障消除时间,如果晚于故障消除时间,则返回1;又例如故障描述中包含时间信息,则需要和派单时间与故障消除时间对应,如早于派单时间或者晚于故障消除时间,则返回1;又例如不同故障原因类别,故障消除时间和派单时间之差要有各自的时长分布。
步骤S230、通过多分类子模型对工单向量以及时长异常概率值进行多维度特征提取,得到质检分类信息。
需说明的是,通过多分类子模型对工单向量以及时长异常概率值的处理,能将处理过程和时长处理进行关联的同时,对其每一个维度单独进行特征提取,进而提升透视模型的输出的精度。在一些示例中,以图8所示的实施例,故障中说此故障是尾纤故障更换尾纤后即恢复,但从派单时间到故障恢复时间不超过10分钟。而从历史工单的经验看,不同于软件重启或者来电恢复等故障处理,更换尾纤需要备料,上站,再加上更换时间,肯定会远远超过30分钟,所以,这个故障根因可能不是尾纤故障,甚至可能是故障自动恢复了,其处理未必真实。又如,在一些示例中,参照图9所示的实施例,停电故障来电后修复,但故障清除时间早于告警恢复时间,这个同样有问题,也许来电后,主模块没问题告警清除了,但有些辅助模块还需要等待重启后验证,所以,需要等到相关所有告警清除后才能确认系统恢复,而不能根据只要来电了主模块启动了就草率提前认定故障恢复了。因此,本申请实施例,通过加入时长异常概率值的这一维度的解析并结合工单向量中故障描述的关联分析,能够更为准确的识别出质检分类信息。
在一些实施例中,在步骤S210之前;质检方法还包括:根据工单数据,确定多个独热编码数据,其中,多个独热编码数据分别对应工单基础数据、故障原因类别以及故障操作数据。对应的,步骤S210、通过工单向量子模型对工单数据进行向量化处理,得到工单向量,包括:通过工单向量子模型对多个独热编码数据进行向量化处理,得到工单向量。
需说明的是,工单基础数据、故障原因类别以及故障操作数据均为工单的处理过程数据,对工单基础数据、故障原因类别以及故障操作数据分别进行独热编码后,即可得到对应的独热编码数据。通过先进行独热编码再进行向量化处理,可以提升工单向量的处理效率。在一些实施例中,以通信设备为例,工单基础数据包括网元类型,在另一些实施例中,工单基础数据包括发生地点、故障网元以及网元类型。具体的,本领域可以根据实际情况基于网元类型的基础上适当增加判断的维度。故障操作数据为对工单中处理措施和故障描述分词得到的内容。其中,故障操作数据不含时间相关的信息。
在一些实施例中,采用Word2Vec,把工单的信息分词后进行向量化。基于历史工单组成的工单语料库以及设置的分词词典进行词向量模型训练,得到一个工单向量子模型。其中,在对工单向量子模型进行训练之前,需要进行合理的分词,在本申请实施例中,分词可以采用如Jieba(结巴)分词等,另外还需设置常用词、词典和停用字,这些词可以通过外部输
入进行设置(如图2所示的工单设置模块300),当训练效果不好,可能需要调整词典让分词更加合理,得到的向量表示更好。
在一另些实施例中,会采用Word2Vec中的词袋模型(CBOW)和跳字模型(Skip-Gram)进行训练,其中,词袋模型(CBOW)是拿周围上下文的词语来预测中心词的概率,跳字模型(Skip-Gram)是中心词来预测上下文词语的概率。在一些示例中,以跳字模型为例,参照图10所示,假设分词后所有词语为500个,即500个独热编码,然后通过隐藏层为300×500大小的矩阵,输出为500大小的列向量概率矩阵,其概率计算用Softmax,当训练得到的概率最大,所有词的上下文概率最大化并且收敛后,即得到相应的工单向量子模型,也即,所谓工单向量子模型就是要得到中间隐藏层这个模型,它是词向量模型,也可以称作词向量嵌入。
在一些实施例中,当工单数据为工单中原始内容时,则会在工单向量子模型处理之前,先提取出工单基础数据、故障原因类别以及故障操作数据并分别进行独热编码。在另一些实施例中,工单数据为预处理后的数据,则多个独热编码数据均为工单数据之一。
在一些示例中,由于工单差异化,因此,在载入系统前,会对工单进行归一化处理,得到工如图3所示单格式一致的工单中工单字段对应的内容(不含质检字段以及质检关键字)。
在一些实施例中,在步骤S220之前;质检方法还包括:从工单数据中提取故障类别、故障描述时间以及故障处理时间数据;对应的,步骤S220、通过时长子模型对工单数据进行时长概率预测,得到时长异常概率值,包括:通过时长子模型对故障类别、故障描述时间和故障处理时间数据进行时长分布预测,得到时长异常概率值。
需说明的是,当工单数据对应工单原始内容,则可以通过内容抽取方式从工单数据中抽取故障描述时间和故障处理时间数据;故障描述时间表示故障描述字段中包含的时间;故障处理时间数据包括工单派单时间、告警消除时间以及告警清除时间。
在一些实施例中,步骤S230、通过多分类子模型对工单向量以及时长异常概率值进行多维度特征提取,得到质检分类信息;包括:通过多分类子模型对工单向量分别进行向量特征提取以及故障类型特征提取,得到向量特征对应的第一特征数据、故障类型特征对应的第二特征数据;通过多分类子模型对时长异常概率值进行多维度时长特征提取,得到第三特征数据;通过多分类子模型对第一特征数据、第二特征数据以及第三特征数据进行权重处理,并根据权重处理的结果输出质检分类信息。
需说明的是,多分类子模型在训练时,会分别对工单向量、时长异常概率值进行权重训练,得到工单向量的权重、工单向量中故障类型对应的权重、时长概率值对应的权重,进而可以在使用时,分别在特征提取后,通过多分类子模型对第一特征数据、第二特征数据以及第三特征数据进行权重处理,确定工单对应质检分类的概率分布,进而得到质检分类信息。
在一些实施例中,时长异常概率值的特征提取包括两方面,第一方面会基于时长异常概率值判断其实否异常基本维度,如时长异常概率值为1,则输出1,表示故障处理时长有误。第二方面,会按照时长异常概率区间分布维度进行输出,如分布维度设置为(0,0.33],(0.33,0.66],(0.66,1];则当满足对应维度时,则将对应维度设置为1,其余维度设置为1.此时,第三特征数据包括基本维度异常特征以及时长分布概率特征。
需说明的是,由于工单向量处理了基础工单信息以及故障类别,且均会采用分词进行向量化处理的,因此存在向量相同但实际处理过程不同,因此还要对工单向量进行特征提取。
在一些实施例中,步骤S230、通过多分类子模型对工单向量以及时长异常概率值进行多维度特征提取,得到质检分类信息;还包括:通过多分类子模型对工单向量进行相似度特征提取,得到第四特征数据;对应的,通过多分类子模型对第一特征数据、第二特征数据以及第三特征数据进行权重处理,并根据权重处理的结果输出质检分类信息,包括:通过多分类子模型对第一特征数据、第二特征数据、第三特征数据以及第四特征数据进行权重处理,并根据权重处理的结果输出质检分类信息。
需说明的是,通过引入相似度作为多分类模型进行处理的一个维度,可以提升透视模型输出的之间分类信息的准确性。
在一些示例中,假设预设的质检分类分别为A、B、C、D、E五种,在进行相似度这一维度特征提取时,会判断当前工单向量和历史标准工单向量的相似度,当相似度大于预设的阈值时,将对应质检分类的值设置为1,其余的设置为0,此时能得到这一维度的第四特征数据。
可理解的是,透视模型通过如下步骤训练得到:根据预设的故障分类,对历史工单集进行标注,得到标注训练集;从标注训练集中提取工单数据,得到样本标注训练集;将样本标注训练集分别作为预设的机器学习模型的工单向量子模型和时长子模型的输入数据,工单向量子模型的输出和时长子模型的输出均作为机器学习模型的多分类子模型的输入数据,标注训练集的质检数据作为多分类子模型的期望输出,对机器学习模型进行训练,得到透视模型。
需说明的是,参照图3所示的工单设置参数,根据工单设置参数对历史工单进行内容的提取以及模型参数的调整。在进行训练前,会在历史的工单后配置相应的质检数据,如质检概述以及质检结果,以表示一个故障工单处理后质检给出的状态,如质检是否合格,质检不合格的原因,如“故障清除时间错误”或“故障原因分类与故障描述不匹配”等,进而使得这些质检数据可以被提取作为质检不合格的分类(即模型的期望输出)。同时,在对机器学习模型进行训练前,会通过质检数据对历史工单集进行标注以进行有监督的训练,使得期望输出为质检数据的内容之一。
需说明的是,相对于传统的依赖相似度的判断,本申请实施例的透视模型的质检分类基于多个维度进行关联分析,精度更高。而传统的相似度由于相似度本身依靠词向量的相似度来判断,尤其是中文需要分词处理才能得到词向量,如“单板软件故障”可以拆分成三个词,“单板”、“软件”、“故障”,也可以拆分成“单板”和“软件故障”两个词,那么分词出现偏差,如“硬件故障”和“硬件”、“故障”的分词不当或者词典设置不当,就容易产生偏差,认为软件故障和硬件故障相似度高,显然是不正确的。
需说明的是,如果两个工单处理的相似度(即工单向量)超过相似度阈值,但机器学习模型通过有监督学习输出的分类又不在一个类别,或者,两个工单处理明显不相似,但分类在一个类别,都可能存在机器学习的偏差,不仅需要对有监督学习进行评估和调整,还有可能是向量化的错误导致相似度出现异常。因此,本申请实施例还通过步骤S310~步骤S350,借助于相似度对机器学习模型进行精度提升训练。
在一些实施例中,参照图11所示,故障工单的之间方法还包括步骤S310-S350。
步骤S310、在机器学习模型训练过程中,统计训练失败时的训练失败数据子集。
需说明的是,训练失败表示分类错误。
步骤S320、计算训练失败数据子集中每一失败数据对应的相似度,得到相似度集。
需说明的是,将每一失败数据与其匹配的历史工单进行相似度计算,得到相似度。相似
度用于表征失败数据与期望匹配的历史工单的相似程度。
步骤S330、根据相似度集,判断是否调整用于工单向量子模型进行向量化处理的分词词典和/或工单语料库。
需说明的是,当失败数据的相似度低于相似度阈值,则表示相似度计算错误,此时可以通过调整分词词典和/或工单语料库,提升相似度的准确率。
在一些示例中,从相似度集中选取相似度较低的多个失败数据,当分词词典和工单语料库至少一个发生变化后,通过失败数据对工单向量子模型进行训练并根据多分类子模型的输出判断是否继续调整分词词典、工单语料库。
步骤S340、根据相似度集,判断是否调整时长子模型的时长分布左右标准差。
需说明的是,相似度本身阈值的设置同样会影响判断的正确性,如70%相似还是90%相似,实际应用中并不能因为设置太高而导致实际处理是正确反而认为质检不合格;因此,当相似度阈值设置在一个相对合理范围时,且失败数据均满足相似度阈值时,通过调整时长模型的时长分布左右标准差提升透视模型输出的精度。
需说明的是,时长分布左右标准差是用于衡量输入的时长数据位于的区间,进而确定输出的时长异常概率值。
步骤S350、根据相似度集、时长子模型的输出,判断是否调整多分类子模型的模型参数,模型参数包括故障分类、故障分类对应的故障标签以及超参数至少之一。
在一些实施例中,在相似度正确、时长模型输出正常的情况下,可以优先调整超参数。在另一些实施例中,在相似度正确、时长模型输出正常的情况下,会优先处理故障分类、故障分类对应的故障标签。如当时长子模型输出正确,重新定义故障分类和调整故障分类标签,使得机器学习模型重新进行训练。
因此,通过步骤S310~步骤S350反复调整以及机器学习模型的算法调整,反复进行迭代,进而提升训练好的透视模型的精度。
需说明的是,在一些实施例中,可以选用步骤S320~步骤S350中任一个或者多个步骤进行模型训练的提升。
在一些示例中,参照图11至图14所示对透视模型的训练和使用进行详细说明。参照图12所示,通过模型训练模块导入历史工单集,对历史工单集中每一历史工单通过内容抽取模块400提取工单内容,得到处理过程数据(基础数据、故障类别以及故障操作数据)以及时间相关的数据,并对处理过程数据中多个子数据分别进行独热编码,得到多个独热编码数据。通过工单向量子模型对多个独热编码数据进行工单向量化处理,时长子模型对时间相关的数据进行时长分布异常预测,多分类子模型对工单向量化的输出、时长分布异常预测的输出进行特征提取从而进行有监督学习,同时,对于训练失败的子数据进行相似度、时长模型输出校验,当校验不过则进行迭代更新重新进行向量化的处理、以及时长模型训练。当校验通过后,发布透视模型,将待质检的工件通过内容抽取器进行内容提取并依次进行分词和独热编码,最终通过透视模型的工单向量子模型、时长子模型以及多分类子模型进行特征提取,输出质检分类信息。具体的,参照图12所示,在加载历史工单集之前,会对历史工单进行质检数据的提取,并将质检合格的历史工单标记分类标签为合格,质检不合格的历史工单进行质检分类提取,进而对质检不合格的设置多分类标签;进而能依据该标签设置进行有监督的训练。具体的,参照图13所示,当对多分类处理模块230校验失败时,则会将训练失败的历史
工单收集,并将其中相似度较低的工单汇总,重新调整分词和历史工单语料库,以进行工单向量的重处理(即对工单向量子模型重新训练),在相似度满足预设条件后(如均在相似度阈值以内),则调整工单处理时长异常概率分布(即对时长子模型重新训练调整),当时长子模型输出正常,则调整多分类类别和标签以重新进行多分类子模型的训练。最后重现调整训练数据,进行新一轮的第二代顺利,直至无监督监测正常。
可理解的是,本申请实施例还提出一种电子设备,包括:存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,处理器执行计算机程序时实现第一方面的故障工单的质检方法。
因此,本申请实施例提出的电子设备,它对历史工单进行学习训练得到一种透视模型,对故障工单处理的本质进行多维度关联,通过工单处理内容,包括故障原因分类、工单处理时长和处理过程等因素进行综合判断,不仅得到工单处理是否正确,还能够给出工单处理异常的具体环节,以便后续工单处理和质检进行参考。
更具体而言,本申请实施例的透视模型是一个综合多个算法和方法和模型,它通过对工单处理内容进行多维度特征提取,借助工单处理时长的统计概率分布,借助不同故障种类的工单处理的向量化相似度学习,最后通过多分类机器学习的一种模型。
存储器作为一种非暂态计算机可读存储介质,可用于存储非暂态软件程序以及非暂态性计算机可执行程序。此外,存储器可以包括高速随机存取存储器,还可以包括非暂态存储器,例如至少一个磁盘存储器件、闪存器件、或其他非暂态固态存储器件。在一些实施方式中,存储器可选包括相对于处理器远程设置的存储器,这些远程存储器可以通过网络连接至该处理器。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其组合。
下面结合图15对计算机设备的硬件结构进行详细说明。该电子设备包括:处理器510、存储器520、输入/输出接口530、通信接口540和总线550。
处理器510,可以采用通用的CPU(Central Processing Unit,中央处理器)、微处理器、应用专用集成电路(Application Specific Integrated Circuit,ASIC)、或者一个或多个集成电路等方式实现,用于执行相关程序,以实现本公开实施例所提供的技术方案。
存储器520,可以采用ROM(Read Only Memory,只读存储器)、静态存储设备、动态存储设备或者RAM(Random Access Memory,随机存取存储器)等形式实现。存储器520可以存储操作系统和其他应用程序,在通过软件或者固件来实现本说明书实施例所提供的技术方案时,相关的程序代码保存在存储器520中,并由处理器510来调用执行本公开实施例的模型的分类预测方法。
输入/输出接口530,用于实现信息输入及输出。
通信接口540,用于实现本设备与其他设备的通信交互,可以通过有线方式(例如USB、网线等)实现通信,也可以通过无线方式(例如移动网络、WIFI、蓝牙等)实现通信;和总线550,在设备的各个组件(例如处理器510、存储器520、输入/输出接口530和通信接口540)之间传输信息。
其中,处理器510、存储器520、输入/输出接口530和通信接口540通过总线550实现彼此之间在设备内部的通信连接。
本申请还提供一种计算机可读存储介质,存储有计算机可执行指令,计算机可执行指令用于实现第一方面的故障工单的质检方法。
本申请实施例包括:通过获取待质检工单对应的工单数据,并通过透视模型进对工单数据进行多维度工单因素关联分析处理,进而可以通过多维度工单因素之间的合理性确定质检分类信息,相对于相关技术中简单的规则匹配,本申请的实施例能进行多维度的关联分析,因此,本申请的实施例能提升智能质检的准确率。
本领域普通技术人员可以理解,上文中所公开方法中的全部或某些步骤、系统可以被实施为软件、固件、硬件及其适当的组合。某些物理组件或所有物理组件可以被实施为由处理器,如中央处理器、数字信号处理器或微处理器执行的软件,或者被实施为硬件,或者被实施为集成电路,如专用集成电路。这样的软件可以分布在计算机可读介质上,计算机可读介质可以包括计算机存储介质(或非暂时性介质)和通信介质(或暂时性介质)。如本领域普通技术人员公知的,术语计算机存储介质包括在用于存储信息(诸如计算机可读指令、数据结构、程序模块或其他数据)的任何方法或技术中实施的易失性和非易失性、可移除和不可移除介质。计算机存储介质包括但不限于RAM、ROM、EEPROM、闪存或其他存储器技术、CD-ROM、数字多功能盘(DVD)或其他光盘存储、磁盒、磁带、磁盘存储或其他磁存储装置、或者可以用于存储期望的信息并且可以被计算机访问的任何其他的介质。此外,本领域普通技术人员公知的是,通信介质通常包含计算机可读指令、数据结构、程序模块或者诸如载波或其他传输机制之类的调制数据信号中的其他数据,并且可包括任何信息递送介质。
Claims (10)
- 一种故障工单的质检方法,包括:获取待质检的工单对应的工单数据;将所述工单数据输入到预设的透视模型中进行多维度工单因素关联分析处理,得到所述工单对应的质检分类信息。
- 根据权利要求1所述的故障工单的质检方法,其中,所述透视模型包括工单向量子模型、时长子模型以及多分类子模型;所述将所述工单数据输入到预设的透视模型中进行工单因素多维度关联分析处理,得到所述工单对应的质检分类信息,包括:通过所述工单向量子模型对所述工单数据进行向量化处理,得到工单向量;通过所述时长子模型对所述工单数据进行时长分布预测,得到时长异常概率值;通过所述多分类子模型对所述工单向量以及所述时长异常概率值进行多维度特征提取,得到所述质检分类信息。
- 根据权利要求2所述的故障工单的质检方法,其中,在得到所述工单向量之前,所述质检方法还包括:根据所述工单数据,确定多个独热编码数据,其中,多个所述独热编码数据分别对应工单基础数据、故障原因类别以及故障操作数据;对应的,所述通过所述工单向量子模型对所述工单数据进行向量化处理,得到工单向量,包括:通过所述工单向量子模型对多个所述独热编码数据进行向量化处理,得到工单向量。
- 根据权利要求2所述的故障工单的质检方法,其中,在得到所述时长异常概率值之前,所述质检方法还包括:从所述工单数据中提取故障类别、故障描述时间以及故障处理时间数据;对应的,所述通过所述时长子模型对所述工单数据进行时长概率预测,得到时长异常概率值,包括:通过所述时长子模型对所述故障类别、所述故障描述时间和所述故障处理时间数据进行时长概率预测,得到时长异常概率值。
- 根据权利要求2所述的故障工单的质检方法,其中,所述通过所述多分类子模型对所述工单向量以及所述时长异常概率值进行多维度特征提取,得到质检分类信息,包括:通过所述多分类子模型对所述工单向量分别进行向量特征提取以及故障类型特征提取,得到所述向量特征对应的第一特征数据、所述故障类型特征对应的第二特征数据;通过所述多分类子模型对所述时长异常概率值进行多维度时长特征提取,得到第三特征数据;通过所述多分类子模型对第一特征数据、所述第二特征数据以及所述第三特征数据进行权重处理,并根据所述权重处理的结果输出所述质检分类信息。
- 根据权利要求5所述的故障工单的质检方法,其中,所述通过所述多分类子模型对所述工单向量以及所述时长异常概率值进行多维度特征提取,得到质检分类信息,还包括:通过所述多分类子模型对所述工单向量进行相似度特征提取,得到第四特征数据;对应的,所述通过所述多分类子模型对第一特征数据、所述第二特征数据以及所述第三 特征数据进行权重处理,并根据所述权重处理的结果输出所述质检分类信息,包括:通过所述多分类子模型对第一特征数据、所述第二特征数据、所述第三特征数据以及所述第四特征数据进行权重处理,并根据所述权重处理的结果输出所述质检分类信息。
- 根据权利要求2所述的故障工单的质检方法,其中,所述透视模型通过如下步骤训练得到:根据预设的故障分类,对历史工单集进行标注,得到标注训练集;从所述标注训练集中提取工单数据,得到样本标注训练集;将所述样本标注训练集分别作为预设的机器学习模型的工单向量子模型和时长子模型的输入数据,所述工单向量子模型的输出和所述时长子模型的输出均作为所述机器学习模型的多分类子模型的输入数据,所述标注训练集的质检数据作为所述多分类子模型的期望输出,对所述机器学习模型进行训练,得到所述透视模型。
- 根据权利要求7所述的故障工单的质检方法,还包括:在所述机器学习模型训练过程中,统计训练失败时的训练失败数据子集;计算所述训练失败数据子集中每一失败数据对应的相似度,得到相似度集;根据所述相似度集,进行如下至少之一的步骤调整:根据所述相似度集,判断是否调整用于所述工单向量子模型进行向量化处理的分词词典和/或工单语料库;根据所述相似度集,判断是否调整所述时长子模型的时长分布左右标准差;根据所述相似度集、所述时长子模型的输出,判断是否调整所述多分类子模型的模型参数,所述模型参数包括故障分类、所述故障分类对应的故障标签以及超参数至少之一。
- 一种电子设备,包括:存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,其中,所述处理器执行所述计算机程序时实现如权利要求1至8中任意一项所述的故障工单的质检方法。
- 一种计算机可读存储介质,存储有计算机可执行指令,其中,所述计算机可执行指令用于实现如权利要求1至8中任意一项所述的故障工单的质检方法。
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