CN113254862A - Fluid output parameter prediction method and device, electronic equipment and storage medium - Google Patents
Fluid output parameter prediction method and device, electronic equipment and storage medium Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
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- G06F30/00—Computer-aided design [CAD]
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Abstract
The application provides a fluid output parameter prediction method, a fluid output parameter prediction device, electronic equipment and a storage medium; the method is applicable to a fluid processing system, a reference input parameter set of a reference period and historical input parameter sets of a plurality of historical periods are determined according to a period to be predicted and historical fluid input parameters, then a similar historical period of the reference period is determined based on the similarity of the input parameter sets, a historical output parameter set of each similar historical period is determined according to historical fluid output parameters, and finally preset processing is carried out according to the historical output parameter set, a reference working condition parameter set uploaded by processing equipment and the historical working condition parameter set of each similar historical period to obtain a predicted output parameter set of the fluid in the period to be predicted. According to the method, the prediction result closest to the current working condition is obtained through the working condition parameters of the analog equipment in different periods, and the reliability of fluid output parameter prediction is improved.
Description
Technical Field
The present disclosure relates to the field of sewage treatment, and more particularly, to a method and an apparatus for predicting a fluid output parameter, an electronic device, and a storage medium.
Background
At present, the water pollution situation is still severe, and in order to improve the ecological water environment, sewage is generally treated to enable the effluent to reach the standard and then discharged.
Most of the current sewage treatment fluid output parameter prediction methods are obtained by analyzing and judging only according to input and output historical data. However, in a long-term sewage treatment process, the output efficiency of equipment participating in sewage treatment is different due to aging or replacement, namely, the operation state of the sewage treatment equipment influences the result of sewage treatment effluent prediction, so that the reliability is not high only by predicting the output parameters according to input and output historical data.
Therefore, the current fluid output parameter prediction method has the technical problem of low reliability, and needs to be improved.
Disclosure of Invention
The application provides a fluid output parameter prediction method, a fluid output parameter prediction device, electronic equipment and a storage medium, which are used for relieving the technical problem that the current fluid output parameter prediction method is low in reliability.
In order to solve the technical problem, the present application provides the following technical solutions:
the application provides a fluid output parameter prediction method, which is suitable for a fluid processing system, wherein the fluid processing system comprises a plurality of processing devices, a collection device, an output device and a control device, and the fluid output parameter prediction method is applied to the control device; the fluid output parameter prediction method comprises the following steps:
determining a reference period according to a period to be predicted and a processing period of the processing equipment, and generating a reference input parameter set of the reference period according to historical fluid input parameters uploaded by the acquisition equipment;
according to the historical input parameter sets of a plurality of historical periods corresponding to the historical fluid input parameters and the reference input parameter sets, determining the similar historical periods of the reference periods based on the similarity of the input parameter sets;
determining a historical output parameter set of each similar historical period according to historical fluid output parameters uploaded by the output equipment;
determining a reference working condition parameter set of the reference period and a historical working condition parameter set of each similar historical period according to the historical working condition parameters uploaded by the processing equipment;
and presetting according to the reference working condition parameter set, the historical working condition parameter sets of all similar historical periods and the historical output parameter set to obtain a predicted output parameter set of the fluid in the period to be predicted.
Correspondingly, the application also provides a fluid output parameter prediction device which is suitable for a fluid processing system, wherein the fluid processing system comprises a plurality of processing devices, a collection device, an output device and a control device, and the fluid output parameter prediction method is applied to the control device; the fluid output parameter prediction device includes:
the reference determining module is used for determining a reference period according to a period to be predicted and a processing period of the processing equipment, and generating a reference input parameter set of the reference period according to historical fluid input parameters uploaded by the acquisition equipment;
the similar historical period determining module is used for determining the similar historical period of the reference period based on the similarity of the input parameter sets according to the historical input parameter sets and the reference input parameter sets of a plurality of historical periods corresponding to the historical fluid input parameters;
the historical output parameter determining module is used for determining a historical output parameter set of each similar historical period according to the historical fluid output parameters uploaded by the output equipment;
the working condition parameter determining module is used for determining a reference working condition parameter set of the reference period and historical working condition parameter sets of all similar historical periods according to the historical working condition parameters uploaded by the processing equipment;
and the prediction module is used for carrying out preset processing according to the reference working condition parameter set, the historical working condition parameter sets of all similar historical periods and the historical output parameter set to obtain a predicted output parameter set of the fluid in the period to be predicted.
Meanwhile, the present application provides an electronic device, which comprises a processor and a memory, wherein the memory is used for storing a computer program, and the processor is used for operating the computer program in the memory so as to execute the steps of the method.
Furthermore, the present application provides a computer-readable storage medium storing a plurality of instructions adapted to be loaded by a processor to perform the steps of the above-mentioned method.
Has the advantages that: the application provides a fluid output parameter prediction method, a fluid output parameter prediction device, electronic equipment and a storage medium; the method is applicable to a fluid processing system, the system comprises a plurality of processing devices, a collection device, an output device and a control device, the method is applied to the control device, firstly, a reference cycle is determined according to a cycle to be predicted and a processing cycle of the processing devices, a reference input parameter set of the reference cycle is generated according to historical fluid input parameters uploaded by the collection device, then, similar historical cycles of the reference cycle are determined based on the similarity of the input parameter sets according to the historical input parameter sets and the reference input parameter sets of a plurality of historical cycles corresponding to the historical fluid input parameters, then, historical output parameter sets of all similar historical cycles are determined according to the historical fluid output parameters uploaded by the output device, then, a reference working condition parameter set of the reference cycle and a historical working condition parameter set of all similar cycles are determined according to the historical working condition parameters uploaded by the processing devices, and finally, carrying out preset processing according to the reference working condition parameter set, the historical working condition parameter sets of all similar historical periods and the historical output parameter set to obtain a predicted output parameter set of the fluid in the period to be predicted. The method includes determining a target similar history period which is most similar to a reference working condition data set from a historical working condition parameter set of each similar history period by analogy of the reference working condition data set and the historical working condition parameter set of each similar history period, and then determining a prediction output parameter set in a period to be predicted from a historical output parameter set according to the target similar history period.
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The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic view of a fluid treatment system according to an embodiment of the present disclosure.
Fig. 2 is a schematic flow chart of a fluid output parameter prediction method according to an embodiment of the present disclosure.
Fig. 3 is a schematic cut-away view of a fluid input parameter provided in an embodiment of the present application.
Fig. 4 is a schematic diagram of similarity calculation of an input parameter set according to an embodiment of the present application.
Fig. 5 is a schematic diagram of correlation coefficient calculation provided in the embodiment of the present application.
FIG. 6 is a schematic diagram of an initial interface for fluid output parameter prediction according to an embodiment of the present disclosure.
Fig. 7a is a diagram illustrating a result of a history output parameter set provided in an embodiment of the present application.
Fig. 7b is a diagram illustrating the result of predicting the output parameter set according to the embodiment of the present application.
Fig. 8 is a schematic structural diagram of a fluid output parameter prediction apparatus according to an embodiment of the present disclosure.
Fig. 9 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "comprises" and "comprising," and any variations thereof, in the description and claims of embodiments of the present application and the above-described drawings, are intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises a list of steps or modules is not necessarily limited to those steps or modules explicitly listed, but may include other steps or modules not explicitly listed or inherent to such process, method, article, or apparatus, and the division of modules presented in the embodiments of the present application is merely a logical division and may be implemented in other ways that may be practiced in practice, such that multiple modules may be combined or integrated into another system or that certain features may be omitted, or not implemented, and such that couplings or direct couplings or communicative coupling between each other as shown or discussed may be through interfaces, the indirect coupling or communication connection between the modules may be electrical or in other similar forms, and is not limited in the embodiments of the present application. Moreover, the modules or sub-modules described as separate components may or may not be physically separated, may or may not be physical modules, or may be distributed in a plurality of circuit modules, and some or all of the modules may be selected according to actual needs to achieve the purpose of the embodiments of the present application.
In this application, the period to be predicted refers to the period of fluid output to be predicted.
In this application, the treatment period of the treatment equipment refers to a sewage treatment period, that is, an average treatment period from the treatment of a unit of sewage from the water inlet of the sewage treatment plant to the water outlet.
In this application, the reference period refers to a fluid input period corresponding to a period to be predicted.
In this application, the historical fluid input parameter refers to the influent water quality index data near time t, using QINRepresents, for example, Chemical Oxygen Demand (COD) of the feed water, total phosphorus content (TP) of the feed water, Total Nitrogen (TN) of the feed water, ammonia nitrogen (NH 3) of the feed water, turbidity of the feed water, flow rate of the feed water, etc., and Q is a value representing, when y indices are selectedIN=（Qin1，Qin2，……，Qiny）。
In this application, a reference input parameter set refers to a parameter set consisting of historical fluid input parameters at every other data storage interval in a reference period. For example, if the reference period is 1 hour and the data storage interval is 1 minute, then the data of the reference input parameter set consists of the fluid input parameters for the first minute, the second minute … …, the fifty-ninth minute, and the sixty minute.
In this application, a historical input parameter set refers to a parameter set composed of historical fluid input parameters at every other data storage interval in a historical period.
In this application, the historical fluid output parameter refers to effluent quality index data obtained after the historical fluid input parameter passes through a treatment period, and Q is usedOUTRepresents, for example, Chemical Oxygen Demand (COD) of effluent, total phosphorus content (TP) of effluent, Total Nitrogen (TN) of effluent, ammonia nitrogen (NH 3) of effluent, turbidity of effluent, flow rate of effluent, etc., and Q is a measure of the amount of water discharged when y indices are selectedOUT=（Qout1，Qout2，……，Qouty）。
In the present application, a historical operating condition parameter refers to a parameter that characterizes the operating state of the processing device at a historical time.
In this application, the preset processing includes a correlation coefficient calculation, a reliability parameter calculation, and a process of determining a target reliability parameter according to the size of the reliability parameter, and detailed description will be given later, and details are not repeated here.
The application provides a fluid output parameter prediction method, a fluid output parameter prediction device, an electronic device and a computer readable storage medium.
Referring to fig. 1, fig. 1 is a schematic view of a fluid processing system provided in the present application, as shown in fig. 1, the fluid processing system may include a plurality of devices, the devices are connected and communicated through an internet formed by various gateways, and the fluid processing system may include an acquisition device 101, a processing device 102, an output device 103, and a control device 104, where:
the collection device 101 is primarily used to collect and store historical fluid input parameters.
The treatment device 102 is primarily used to treat incoming fluids. For example, in a sewage treatment plant, sewage at the water inlet is treated by a sewage treatment process, and then after a treatment period, the treated sewage is output at the water outlet. Wherein, treatment facility has a plurality of categories, and there are a plurality of treatment facility again in every category, for example, the elevator pump of intaking still includes elevator pump 1, elevator pump 2 and elevator pump 3, and the mud backwash pump still includes backwash pump 1 and backwash pump 2, and PAM dosing pump still includes dosing pump 1, dosing pump 2 and dosing pump 3.
The output device 103 is primarily used to output and store historical fluid output parameters.
The acquisition device 101, the processing device 102 and the output device 103 are further configured to upload relevant data to the control device 104.
The control device 104 is mainly used to perform the steps of the output parameter prediction method described above. Specifically, the control device 104 determines a reference cycle according to the cycle to be predicted and the processing cycle of the processing device 102, generates a reference input parameter set of the reference cycle according to the historical fluid input parameters uploaded by the acquisition device 101, then determines a similar historical cycle of the reference cycle based on the similarity of the input parameter sets according to the historical input parameter sets and the reference input parameter sets of a plurality of historical cycles corresponding to the historical fluid input parameters, determines a historical output parameter set of each similar historical cycle according to the historical fluid output parameters uploaded by the output device 103, then determines a reference working condition parameter set of the reference cycle and a historical working condition parameter set of each similar historical cycle according to the historical working condition parameters uploaded by the processing device 102, and finally performs preset processing according to the reference working condition parameter set, the historical working condition parameter set of each similar historical cycle and the historical output parameter set, and obtaining a prediction output parameter set of the fluid in the period to be predicted. In the above process, the control device 104 first obtains the similar history periods of the reference period by calculating the similarity between the historical output parameter set and the reference input parameter set, then determines the target similar history period closest to the operating condition of the reference period from the historical operating condition parameter set of each similar history period and the reference operating condition parameter set of the reference period by the analog processing device 102, and then determines the prediction output parameter set according to the target similar history period. According to the method, the condition that the output efficiency of the treatment equipment 102 is different due to aging or replacement is considered, historical working condition data accumulated by the fluid treatment system are searched for historical working condition data records with different time periods from high to low in similarity with a plurality of input parameter values according to input data item conditions (fluid input historical parameters at a certain moment and fluid output historical parameters after a conventional treatment period are taken as input conditions), so that the influence of the fluid input parameters in a reference period on a subsequent process section and fluid output parameters after entering the system is predicted, the reliability of a prediction result is improved through working condition analogy, the operation index of a sewage treatment plant is favorably improved, and the output fluid is ensured to reach the standard.
It should be noted that the schematic view of the fluid processing system shown in fig. 1 is only an example, and the apparatuses and the scenarios described in the embodiment of the present application are for more clearly illustrating the technical solutions provided in the embodiment of the present application, and do not constitute a limitation on the technical solutions provided in the embodiment of the present application, and as a person having ordinary skill in the art will appreciate, with the evolution of the system and the emergence of new business scenarios, the technical solutions provided in the embodiment of the present application are also applicable to similar technical problems. The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.
With reference to the above fluid processing system scenario, the following will describe the fluid output parameter prediction method in the present application in detail, please refer to fig. 2, fig. 2 is a schematic flow chart of the fluid output parameter prediction method provided in the present application, and as shown in fig. 2, the fluid output parameter prediction method provided in the present application at least includes the following steps:
s201: and determining a reference period according to the period to be predicted and the processing period of the processing equipment, and generating a reference input parameter set of the reference period according to the historical fluid input parameters uploaded by the acquisition equipment.
The fluid output period can be obtained after the fluid passes through a processing period from the input, and vice versa. For example, assume that the period to be predicted is 14 in a certain day: 00-15: 00, the processing cycle of the processing device is 12 hours, a reference cycle is determined according to the cycle to be predicted and the processing cycle of the processing device, and the reference cycle can be obtained as 2: 00-3: 00.
in one embodiment, the step of generating the reference input parameter set for the reference period from the historical fluid input parameters uploaded by the acquisition device may comprise: determining a data storage interval according to the acquisition equipment; and determining a reference input parameter set from historical fluid input parameters uploaded by the acquisition equipment according to the reference period and the data storage interval. Specifically, as shown in fig. 3, fig. 3 is a schematic diagram of a fluid input parameter, if a certain time point t is selected1The input parameter of (2) is used as a reference input parameter set which needs to make prediction, the duration of a reference period is h, and the corresponding reference period is a time point t1H to time t1Time period in between, from the point of time t1-h starts, the first historical fluid input parameter is QIN1Assuming that the data storage interval time between the two previous and subsequent parameters is i, and the second historical fluid input parameter after one data storage interval is QIN2By analogy, the total time is within a reference period h time period
With data, the n reference input parameters form a reference input parameter set sp=（QIN1, QIN2,……, QINn). Fig. 6 is a schematic diagram of an initial interface for fluid output parameter prediction. Through the interface, the staff selects the index to be predicted, for example, selects the Chemical Oxygen Demand (COD) of the effluent for output parameter prediction, and after the index to be predicted is selected, the subsequent parameter set is also the relevant parameter of the index.
S202: and determining the similar historical period of the reference period based on the similarity of the input parameter sets according to the historical input parameter sets and the reference input parameter sets of the plurality of historical periods corresponding to the historical fluid input parameters.
In one embodiment, the steps of determining a set of historical input parameters for a plurality of history periods and determining a similar history period for a reference period comprise: determining a sampling starting time, a sampling ending time and a sampling interval according to the acquisition equipment; determining historical input parameter sets of a plurality of historical periods from historical fluid input parameters uploaded by the acquisition equipment according to the sampling starting time, the sampling ending time and the sampling interval; determining a target historical input parameter set similar to the reference input parameter set according to the historical input parameter sets of the plurality of historical periods and the similarity of the reference input parameter set; and determining a similar history period of the reference period according to the target history input parameter set.
FIG. 3 is a schematic cut-away view of the fluid input parameter, as shown in FIG. 3, assuming the sampling start time t2H, a sample cut-off time t2With a sampling interval of i, then at t2H to t2During the period of time h, the total time is
The historical input parameter set corresponding to each historical moment, each moment stores the historical input parameter in a period, for example, the moment t2-h stores t2-2h to t2-historical input parameters in h periods, with s1Is represented by, wherein s1=（QIN11, QIN12,……, QIN1n) Time t2-h +1 stores t2-2h + 1 to t2Historical input parameters in the h +1 period, in s2Is represented by, wherein s2=（QIN21, QIN22,……, QIN2n) And so on, each time stores the historical input parameters in a period, so that the time t is the time t2H up to t2The historical input parameter set with m historical periods stored is s1，s2，……，smWherein s ism=（QINm1, QINm2,……, QINmn）。
In one embodiment, the step of determining the target historical input parameter set by calculating a similarity of the historical input parameter set and the reference input parameter set comprises: determining a similarity set according to the historical input parameter set and the reference input parameter set of the multiple historical periods, wherein the similarity set comprises the similarities of the multiple historical periods; according to the arrangement sequence of the similarity values from large to small, sequentially determining the similarity of a preset number as a target similarity; and determining a target historical input parameter set from the historical input parameter sets of the plurality of historical periods according to the target similarity. The preset number can be set manually, and can be 10 or 5.
Fig. 4 is a schematic diagram illustrating similarity calculation of an input parameter set. As can be seen more intuitively from fig. 4, the input parameter set s is first referencedpWith sets s of history input parameters for respective history periods1，s2，……，smSimilarity calculation is carried out in sequence to obtain similarity J1，J2，……，JmSorting according to the magnitude of the similarity, and selecting the top 10 highest similarity values, which are Jmax1，Jmax2，……，Jmax10Then, the 10 highest similarity values are the target similarity values.
Specifically, the calculation of the similarity may employ a jaccard similarity calculation method, and after the history input parameter sets and the reference input parameter sets of a plurality of history periods are obtained, the jaccard similarities of the history input parameter sets of each history period and the reference input parameter sets of the reference period are calculated respectively. E.g. selecting a history input parameter set s for a history periodk(k ≦ 1 ≦ m) for similarity comparison with the reference input parameter set, specifically for skAnd spRespectively carrying out hash calculation once and recording as follows: MHash(s)k) And MHash(s)p) At this time, the jkadet similarity is shown in formula 1:
Sets of history input parameters s for each history period1，s2，……，smAre all referenced to the input parameter set spAfter similarity calculation, m calculation results are obtained, and a similarity set is obtained at the moment
. Then to skAnd spAnd respectively carrying out the second hash calculation and recording as follows:
and
and performing Jacard similarity calculation, obtaining a similarity set after the second hash calculation, and recording the similarity set as
By analogy, 5-10 times of Hash calculation is carried out according to the treatment process of the sewage treatment plant and the complexity of the process treatment, so as to obtain the final similarity set
Wherein, a is more than or equal to 5 and less than or equal to 10, then
Selecting the similarity values of the maximum preset numbers, arranging from large to small, and respectively recording as Jmax1、Jmax2、……、Jmax10The corresponding historical input parameter set is smax1、smax2、……、smax10The most similar 10 target historical input parameter sets are obtained according to the analysis of input and output parameters (water outlet and water inlet data), and the corresponding period is the target historical similar period. As shown in fig. 7a, which is a schematic diagram of the result of determining similar history periods according to the history input parameter sets of a plurality of history periods and the history input parameter set of the reference period, only the figure shows5 similar history cycles are shown.
S203: and determining a historical output parameter set of each similar historical period according to the historical fluid output parameters uploaded by the output equipment.
After each similar history period is determined, a historical output parameter set for each similar history period can be determined from historical fluid output parameters uploaded by the output device according to each similar history period and the processing period.
S204: and determining a reference working condition parameter set of a reference period and a historical working condition parameter set of each similar historical period according to the historical working condition parameters uploaded by the processing equipment.
As the effluent quality indexes of sewage treatment are many, the method at least comprises the following steps according to related industrial standards: COD (chemical oxygen demand), TP (total phosphorus), TN (total nitrogen), PH (pH), TS (total solid content), and the like. Various treatment devices used in different process sections are all used for improving one or more water quality indexes of the sewage. For sewage plants, the operation conditions of the treatment equipment in different stages are different, specifically, the operation states of the treatment equipment in the treatment plant are different due to aging, replacement and the like of the equipment, and the difference affects the accuracy of the effluent prediction. Therefore, an analogy is needed to be performed according to the historical operating condition parameters uploaded by the processing equipment to obtain the most similar historical period to the processing equipment of the reference period.
In one embodiment, the step of determining the reference condition parameter set of the reference period and the historical condition parameter set of each similar historical period according to the historical condition parameters uploaded by the processing device includes: determining historical working condition parameters of the processing equipment according to the historical operating quantity and the historical operating current uploaded by the processing equipment; determining a reference working condition parameter set from the historical working condition parameters according to the reference period; and determining a historical working condition parameter set of each similar historical period from the historical working condition parameters according to each similar historical period.
The working condition parameters of the processing equipment are mainly parameters for quantifying the importance of the processing equipment, and are calculated according to the number of operating units and the operating current of the types of the processing equipment, and the working condition parameters of a certain type of the processing equipment are calculated as shown in a formula 2:
Wherein z represents the number of such processing devices, IiRepresenting the operating current of a single processing device.
Specifically, taking table 1 as an example:
after calculation according to formula 2 and classification of the processing equipment, the operating condition state table is shown in table 2:
s205: and presetting according to the reference working condition parameter set, the historical working condition parameter sets of all similar historical periods and the historical output parameter set to obtain a predicted output parameter set of the fluid in the period to be predicted.
In one embodiment, under different operating conditions, the operating correlations of the processing devices are different, and therefore, the step of obtaining the predicted output parameter set of the fluid in the period to be predicted by performing the preset processing according to the reference condition parameter set, the historical condition parameter set of each similar historical period, and the historical output parameter set is to calculate the correlation coefficient between each processing device and the selected historical output parameter set in the time period h from the sampling start time to the sampling end time, and includes: determining a related coefficient set of the processing equipment according to a historical working condition parameter set and a historical output parameter set of each similar historical period; determining output reliability parameters of the similar historical periods according to the historical working condition parameter sets, the reference working condition parameter sets and the related coefficient sets of the similar historical periods; and according to the output reliability parameters of the similar historical periods, determining a prediction output parameter set of the fluid in the period to be predicted from the historical output parameter set.
As shown in fig. 5, fig. 5 is a schematic diagram of correlation coefficient calculation. The historical input parameter sets of the preset number of similar historical periods are obtained based on the historical input parameter sets of the historical periods and the reference parameter set similarity of the reference periods, and therefore the working conditions of the processing equipment of the preset number of similar historical periods and the correlation coefficients of the historical output parameter sets need to be calculated. According to the storage interval of the database, setting the e-type equipment shared by the whole factory, because of smN data points are total, the x-th equipment (x is more than or equal to 1 and less than or equal to E) is selected, and n working condition parameters E can be generated1、E2、……、En. At the same time, corresponding output parameter set cmThe n output parameters are also independently extracted to obtain n effluent data QOUTm1、QOUTm2、……、QOUTmnAnd the correlation coefficient of the equipment is obtained by performing Pearson correlation coefficient calculation on the two groups of data as shown in formula 3:
Wherein i is more than or equal to 1 and less than or equal to n.
The significance of the correlation coefficient is that: for each correlation result generated, the smaller r, the less correlated the processing device can be considered to be with the selected set of output parameters. A common class e device, and therefore, according to the above equation, will generate the corresponding correlation coefficient r1，r2，……，re。
In one embodiment, the step of determining a predicted output parameter set of the fluid in the period to be predicted from the historical output parameter set according to the output reliability parameter of each similar historical period may include: taking the output reliability parameter with the maximum value as a target output reliability parameter from the output reliability parameters of all similar historical periods; determining a target similar history period from each similar history period according to the target output reliability parameter; and according to the target similar historical period, determining a prediction output parameter set of the fluid in the period to be predicted from the historical output parameter set.
In particular, for a reference input parameter set s for which output parameter prediction is requiredp=（QIN1, QIN2,……, QINn) The corresponding operating condition parameter set of a certain type of processing equipment is
The reliability parameter P (percentage) of the predicted result is calculated according to equation 4:
According to the formula 4, the reliability parameters of the preset number of similar history periods are respectively calculated and compared with the numerical value of the calculated reliability parameter P, and the larger the P is, the closer the operation condition of the treatment equipment of the sewage treatment plant in the corresponding similar history period is to the operation condition of the treatment equipment in the current reference period is. For example, for the above-mentioned history input parameter set s in which 10 similar history periods are obtainedmax1、smax2、……、smax10Performing reliability parameter calculation to respectively obtain P1，P2，……，P10Wherein the largest value is denoted as Pmax，PmaxThe corresponding similar history period is the target similar history period, the corresponding history input parameter set is the target history input parameter set, and the corresponding history output parameter set is the prediction output parameter set of the fluid in the period to be predicted. As shown in fig. 7b, which is a schematic diagram of the final prediction result.
Based on the content of the foregoing embodiments, the present application provides a fluid output parameter prediction apparatus, which is suitable for a fluid processing system, where the fluid processing system includes a plurality of processing devices, a collection device, an output device, and a control device, and the fluid output parameter prediction apparatus is applied to the control device. The fluid output parameter prediction apparatus is configured to perform the fluid output parameter prediction method provided in the above method embodiment, specifically, referring to fig. 8, the apparatus includes:
a reference determining module 801, configured to determine a reference period according to a period to be predicted and a processing period of the processing device, and generate a reference input parameter set of the reference period according to a historical fluid input parameter uploaded by the acquisition device;
a similar history period determining module 802, configured to determine, according to the historical input parameter sets and the reference input parameter sets of the multiple history periods corresponding to the historical fluid input parameters, a similar history period of the reference period based on similarity of the input parameter sets;
a historical output parameter determining module 803, configured to determine a historical output parameter set of each similar historical period according to the historical fluid output parameter uploaded by the output device;
a working condition parameter determining module 804, configured to determine, according to the historical working condition parameters uploaded by the processing device, a reference working condition parameter set of the reference period and historical working condition parameter sets of similar historical periods;
the prediction module 805 is configured to perform preset processing according to the reference operating condition parameter set, the historical operating condition parameter sets of the similar historical periods, and the historical output parameter set, so as to obtain a predicted output parameter set of the fluid in the period to be predicted.
In one embodiment, the reference determination module 801 includes:
the first determining module is used for determining a data storage interval according to the acquisition equipment;
and the second determination module is used for determining a reference input parameter set from historical fluid input parameters uploaded by the acquisition equipment according to the reference period and the data storage interval.
In one embodiment, the similar history period determination module 802 includes:
the third determining module is used for determining the sampling starting time, the sampling ending time and the sampling interval according to the acquisition equipment;
a fourth determining module, configured to determine, according to the sampling start time, the sampling end time, and the sampling interval, historical input parameter sets of multiple historical periods from historical fluid input parameters uploaded by the acquisition device;
a fifth determining module, configured to determine, according to similarity between the historical input parameter set of the multiple historical periods and the reference input parameter set, a target historical input parameter set similar to the reference input parameter set;
a sixth determining module, configured to determine a similar history period of the reference period according to the target history input parameter set.
In one embodiment, the fifth determining module includes:
a similarity set determining module, configured to determine a similarity set according to a history input parameter set and the reference input parameter set of the multiple history cycles, where the similarity set includes similarities of the multiple history cycles;
the target similarity determining module is used for sequentially determining the similarities with preset numbers as the target similarities according to the arrangement sequence of the similarity values from large to small;
and the fifth determining submodule is used for determining a target historical input parameter set from the historical input parameter sets of the multiple historical periods according to the target similarity.
In one embodiment, the operating condition parameter determination module 804 includes:
the sixth determining module is used for determining historical working condition parameters of the processing equipment according to the historical operating quantity and the historical operating current uploaded by the processing equipment;
the seventh determining module is used for determining a reference working condition parameter set from the historical working condition parameters according to the reference period;
and the eighth determining module is used for determining the historical working condition parameter set of each similar historical period from the historical working condition parameters according to each similar historical period.
In one embodiment, the prediction module 805 includes:
the relevant coefficient set determining module is used for determining a relevant coefficient set of the processing equipment according to the historical working condition parameter set and the historical output parameter set of each similar historical period;
the output reliability parameter determining module is used for determining the output reliability parameters of the similar historical periods according to the historical working condition parameter sets, the reference working condition parameter sets and the related coefficient sets of the similar historical periods;
and the prediction submodule is used for determining a prediction output parameter set of the fluid in the period to be predicted from the historical output parameter set according to the output reliability parameters of the similar historical periods.
In one embodiment, the prediction sub-module comprises:
a ninth determining module, configured to take the output reliability parameter with the largest value as a target output reliability parameter from the output reliability parameters of each similar history period;
the target similar history period determining module is used for determining a target similar history period from all similar history periods according to the target output reliability parameters;
and the prediction output parameter set determining module is used for determining the prediction output parameter set of the fluid in the period to be predicted from the history output parameter set according to the target similar history period.
The fluid output parameter prediction apparatus according to the embodiment of the present application may be used to implement the technical solutions of the foregoing method embodiments, and the implementation principle and the technical effect are similar, which are not described herein again.
Different from the prior art, the fluid output parameter prediction device provided by the application is provided with the working condition parameter determining module, the historical working condition parameter set of each similar historical period is compared with the reference working condition parameter set of the reference period through the working condition parameter determining module on the basis of determining the historical output parameter set of each similar historical period, so that the historical working condition parameter set of the target similar historical period most similar to the reference working condition parameter set of the reference period is obtained, the prediction output parameter set of the fluid in the period to be predicted is determined according to the target similar historical period, the fluid output parameters are effectively predicted through the process, and the reliability of a prediction result is improved.
Accordingly, an electronic device may include, as shown in fig. 9, a processor 901 with one or more processing cores, a Wireless Fidelity (WiFi) module 902, a memory 903 with one or more computer-readable storage media, an audio circuit 904, a display unit 905, an input unit 906, a sensor 907, a power supply 908, and a Radio Frequency (RF) circuit 909. Those skilled in the art will appreciate that the configuration of the electronic device shown in fig. 9 does not constitute a limitation of the electronic device and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components. Wherein:
the processor 901 is a control center of the electronic device, connects various parts of the whole electronic device by using various interfaces and lines, and performs various functions of the electronic device and processes data by running or executing software programs and/or modules stored in the memory 903 and calling data stored in the memory 903, thereby performing overall monitoring of the electronic device. In one embodiment, processor 901 may include one or more processing cores; preferably, the processor 901 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 901.
WiFi belongs to short-range wireless transmission technology, and the electronic device can help the user send and receive e-mail, browse web pages, access streaming media, etc. through the wireless module 902, and it provides wireless broadband internet access for the user. Although fig. 9 shows the wireless module 902, it is understood that it does not belong to the essential constitution of the terminal, and may be omitted entirely as needed within a range not changing the essence of the application.
The memory 903 may be used to store software programs and modules, and the processor 901 executes various functional applications and data processing by operating the computer programs and modules stored in the memory 903. The memory 903 may mainly include a program storage area and a data storage area, where the program storage area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required by at least one function, and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the terminal, etc. Further, the memory 903 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, the memory 903 may also include a memory controller to provide the processor 901 and the input unit 906 access to the memory 903.
The audio circuitry 904 includes speakers, which may provide an audio interface between a user and the electronic device. The audio circuit 904 can transmit the electrical signal converted from the received audio data to a loudspeaker, and the electrical signal is converted into a sound signal by the loudspeaker and output; on the other hand, the speaker converts the collected sound signal into an electric signal, and the electric signal is received by the audio circuit 904 and converted into audio data, and the audio data is processed by the audio data output processor 901 and then transmitted to, for example, another electronic device via the radio frequency circuit 909, or the audio data is output to the memory 903 for further processing. The audio circuit 904 may also include an earbud jack to provide communication of a peripheral headset with the electronic device.
The display unit 905 may be used to display information input by or provided to a user and various graphical user interfaces of the terminal, which may be configured by graphics, text, icons, video, and any combination thereof. The Display unit 905 may include a Display panel, and in one embodiment, the Display panel may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The input unit 906 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, in one particular embodiment, input unit 906 may include a touch-sensitive surface as well as other input devices. The touch-sensitive surface, also referred to as a touch display screen or a touch pad, may collect touch operations by a user (e.g., operations by a user on or near the touch-sensitive surface using a finger, a stylus, or any other suitable object or attachment) thereon or nearby, and drive the corresponding connection device according to a predetermined program. In one embodiment, the touch sensitive surface may comprise two parts, a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 901, and can receive and execute commands sent by the processor 901. In addition, touch sensitive surfaces may be implemented using various types of resistive, capacitive, infrared, and surface acoustic waves. The input unit 906 may include other input devices in addition to a touch-sensitive surface. In particular, other input devices may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The electronic device may also include at least one sensor 907, such as light sensors, motion sensors, and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel according to the brightness of ambient light; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which may be further configured to the electronic device, detailed descriptions thereof are omitted.
The electronic device further includes a power supply 908 (e.g., a battery) for supplying power to various components, which may be logically connected to the processor 901 via a power management system, so as to manage charging, discharging, and power consumption via the power management system. The power supply 908 may also include one or more dc or ac power sources, recharging systems, power failure detection circuitry, power converters or inverters, power status indicators, or any other component.
The rf circuit 909 may be used for receiving and transmitting signals during information transmission and reception or during a call, and in particular, receives downlink information of a base station and then sends the received downlink information to one or more processors 901 for processing; in addition, data relating to uplink is transmitted to the base station. In general, the radio frequency circuits 909 include, but are not limited to, an antenna, at least one Amplifier, a tuner, one or more oscillators, a Subscriber Identity Module (SIM) card, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, the radio frequency circuit 909 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to Global System for Mobile communications (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), email, Short Message Service (SMS), and the like.
Although not shown, the electronic device may further include a camera, a bluetooth module, and the like, which are not described in detail herein. Specifically, in this embodiment, the processor 901 in the electronic device loads the executable file corresponding to the process of one or more application programs into the memory 903 according to the following instructions, and the processor 901 runs the application program stored in the memory 903, so as to implement the following functions:
determining a reference period according to a period to be predicted and a processing period of the processing equipment, and generating a reference input parameter set of the reference period according to historical fluid input parameters uploaded by the acquisition equipment;
according to the historical input parameter sets of a plurality of historical periods corresponding to the historical fluid input parameters and the reference input parameter sets, determining the similar historical periods of the reference periods based on the similarity of the input parameter sets;
determining a historical output parameter set of each similar historical period according to historical fluid output parameters uploaded by the output equipment;
determining a reference working condition parameter set of the reference period and a historical working condition parameter set of each similar historical period according to the historical working condition parameters uploaded by the processing equipment;
and presetting according to the reference working condition parameter set, the historical working condition parameter sets of all similar historical periods and the historical output parameter set to obtain a predicted output parameter set of the fluid in the period to be predicted.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and parts that are not described in detail in a certain embodiment may refer to the above detailed description, and are not described herein again.
It will be understood by those skilled in the art that all or part of the steps of the methods of the above embodiments may be performed by instructions or by associated hardware controlled by the instructions, which may be stored in a computer readable storage medium and loaded and executed by a processor.
To this end, an embodiment of the present application provides a computer-readable storage medium, in which a plurality of instructions are stored, and the instructions can be loaded by a processor to implement the following functions:
determining a reference period according to a period to be predicted and a processing period of the processing equipment, and generating a reference input parameter set of the reference period according to historical fluid input parameters uploaded by the acquisition equipment;
according to the historical input parameter sets of a plurality of historical periods corresponding to the historical fluid input parameters and the reference input parameter sets, determining the similar historical periods of the reference periods based on the similarity of the input parameter sets;
determining a historical output parameter set of each similar historical period according to historical fluid output parameters uploaded by the output equipment;
determining a reference working condition parameter set of the reference period and a historical working condition parameter set of each similar historical period according to the historical working condition parameters uploaded by the processing equipment;
and presetting according to the reference working condition parameter set, the historical working condition parameter sets of all similar historical periods and the historical output parameter set to obtain a predicted output parameter set of the fluid in the period to be predicted. The above operations can be implemented in the foregoing embodiments, and are not described in detail herein.
Wherein the computer-readable storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
Since the instructions stored in the computer-readable storage medium can execute the steps in any method provided in the embodiments of the present application, the beneficial effects that can be achieved by any method provided in the embodiments of the present application can be achieved, for details, see the foregoing embodiments, and are not described herein again.
Meanwhile, the embodiment of the present application provides a computer program product or a computer program, which includes computer instructions stored in a computer readable storage medium. The processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions to cause the computer device to perform the method provided in the various alternative implementations described above. For example, the following functions are implemented:
determining a reference period according to a period to be predicted and a processing period of the processing equipment, and generating a reference input parameter set of the reference period according to historical fluid input parameters uploaded by the acquisition equipment;
according to the historical input parameter sets of a plurality of historical periods corresponding to the historical fluid input parameters and the reference input parameter sets, determining the similar historical periods of the reference periods based on the similarity of the input parameter sets;
determining a historical output parameter set of each similar historical period according to historical fluid output parameters uploaded by the output equipment;
determining a reference working condition parameter set of the reference period and a historical working condition parameter set of each similar historical period according to the historical working condition parameters uploaded by the processing equipment;
and presetting according to the reference working condition parameter set, the historical working condition parameter sets of all similar historical periods and the historical output parameter set to obtain a predicted output parameter set of the fluid in the period to be predicted.
The fluid output parameter prediction method, the fluid output parameter prediction device, the electronic device, and the computer storage medium provided in the embodiments of the present application are described in detail above, and specific examples are applied herein to illustrate the principles and implementations of the present application, and the descriptions of the above embodiments are only used to help understand the method and the core ideas of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A fluid output parameter prediction method is applicable to a fluid processing system, wherein the fluid processing system comprises a plurality of processing devices, a collection device, an output device and a control device, and the fluid output parameter prediction method is applied to the control device; the fluid output parameter prediction method comprises the following steps:
determining a reference period according to a period to be predicted and a processing period of the processing equipment, and generating a reference input parameter set of the reference period according to historical fluid input parameters uploaded by the acquisition equipment;
according to the historical input parameter sets of a plurality of historical periods corresponding to the historical fluid input parameters and the reference input parameter sets, determining the similar historical periods of the reference periods based on the similarity of the input parameter sets;
determining a historical output parameter set of each similar historical period according to historical fluid output parameters uploaded by the output equipment;
determining a reference working condition parameter set of the reference period and a historical working condition parameter set of each similar historical period according to the historical working condition parameters uploaded by the processing equipment;
and presetting according to the reference working condition parameter set, the historical working condition parameter sets of all similar historical periods and the historical output parameter set to obtain a predicted output parameter set of the fluid in the period to be predicted.
2. The fluid output parameter prediction method of claim 1, wherein the step of generating the reference input parameter set for the reference cycle based on historical fluid input parameters uploaded by the collection device comprises:
determining a data storage interval according to the acquisition equipment;
and determining a reference input parameter set from historical fluid input parameters uploaded by the acquisition equipment according to the reference period and the data storage interval.
3. The fluid output parameter prediction method according to claim 1, wherein the step of determining the similar history period of the reference period based on the similarity of the input parameter sets according to the history input parameter sets and the reference input parameter sets of the plurality of history periods corresponding to the history fluid input parameters comprises:
determining a sampling starting time, a sampling ending time and a sampling interval according to the acquisition equipment;
determining historical input parameter sets of a plurality of historical periods from historical fluid input parameters uploaded by the acquisition equipment according to the sampling starting time, the sampling ending time and the sampling interval;
determining a target historical input parameter set similar to the reference input parameter set according to the historical input parameter sets of the plurality of historical periods and the similarity of the reference input parameter set;
and determining a similar history period of the reference period according to the target history input parameter set.
4. The fluid output parameter prediction method of claim 3, wherein the step of determining a target historical input parameter set similar to the reference input parameter set based on the similarity of the historical input parameter set and the reference input parameter set for the plurality of historical periods comprises:
determining a similarity set according to the historical input parameter set and the reference input parameter set of the multiple historical periods, wherein the similarity set comprises the similarities of the multiple historical periods;
according to the arrangement sequence of the similarity values from large to small, sequentially determining the similarity of a preset number as a target similarity;
and determining a target historical input parameter set from the historical input parameter sets of the plurality of historical periods according to the target similarity.
5. The fluid output parameter prediction method of claim 1, wherein the step of determining the reference condition parameter set of the reference cycle and the historical condition parameter set of each similar historical cycle according to the historical condition parameters uploaded by the processing device comprises:
determining historical working condition parameters of the processing equipment according to the historical operating quantity and the historical operating current uploaded by the processing equipment;
determining a reference working condition parameter set from the historical working condition parameters according to the reference period;
and determining a historical working condition parameter set of each similar historical period from the historical working condition parameters according to each similar historical period.
6. The fluid output parameter prediction method according to claim 1, wherein the step of obtaining the predicted output parameter set of the fluid in the period to be predicted by performing preset processing according to the reference operating condition parameter set, the historical operating condition parameter set of each similar historical period, and the historical output parameter set comprises:
determining a related coefficient set of the processing equipment according to a historical working condition parameter set and a historical output parameter set of each similar historical period;
determining output reliability parameters of the similar historical periods according to the historical working condition parameter sets, the reference working condition parameter sets and the related coefficient sets of the similar historical periods;
and according to the output reliability parameters of the similar historical periods, determining a prediction output parameter set of the fluid in the period to be predicted from the historical output parameter set.
7. The fluid output parameter prediction method according to claim 6, wherein the step of determining the predicted output parameter set of the fluid in the period to be predicted from the historical output parameter set according to the output reliability parameter of each similar historical period comprises:
taking the output reliability parameter with the maximum value as a target output reliability parameter from the output reliability parameters of all similar historical periods;
determining a target similar history period from each similar history period according to the target output reliability parameter;
and according to the target similar historical period, determining a prediction output parameter set of the fluid in the period to be predicted from the historical output parameter set.
8. A fluid output parameter prediction device is applicable to a fluid processing system, wherein the fluid processing system comprises a plurality of processing devices, a collection device, an output device and a control device, and the fluid output parameter prediction method is applied to the control device; the fluid output parameter prediction device includes:
the reference determining module is used for determining a reference period according to a period to be predicted and a processing period of the processing equipment, and generating a reference input parameter set of the reference period according to historical fluid input parameters uploaded by the acquisition equipment;
the similar historical period determining module is used for determining the similar historical period of the reference period based on the similarity of the input parameter sets according to the historical input parameter sets and the reference input parameter sets of a plurality of historical periods corresponding to the historical fluid input parameters;
the historical output parameter determining module is used for determining a historical output parameter set of each similar historical period according to the historical fluid output parameters uploaded by the output equipment;
the working condition parameter determining module is used for determining a reference working condition parameter set of the reference period and historical working condition parameter sets of all similar historical periods according to the historical working condition parameters uploaded by the processing equipment;
and the prediction module is used for carrying out preset processing according to the reference working condition parameter set, the historical working condition parameter sets of all similar historical periods and the historical output parameter set to obtain a predicted output parameter set of the fluid in the period to be predicted.
9. An electronic device comprising a processor and a memory, the memory storing a computer program, the processor being configured to execute the computer program in the memory to perform the steps of the fluid output parameter prediction method of any one of claims 1 to 7.
10. A computer readable storage medium storing a plurality of instructions adapted to be loaded by a processor to perform the steps of the fluid output parameter prediction method according to any one of claims 1 to 7.
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Denomination of invention: A method, device, electronic device, and storage medium for predicting fluid output parameters Granted publication date: 20220426 Pledgee: Wuhan Optics Valley Small and Medium Duty Venture Capital Co.,Ltd. Pledgor: WUHAN HUAXIN DATA SYSTEM Co.,Ltd. Registration number: Y2024980014167 |