CN113887035B - Sensor layout updating method for auxiliary drainage model calibration verification - Google Patents
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Abstract
The invention discloses a sensor layout updating method for auxiliary drainage model calibration verification; the method comprises the following steps: firstly, constructing a drainage system model by utilizing hydraulic model software aiming at a zone needing to be arranged and updated for a sensor; then, in the drainage system model, performing position identification on the existing sensor, forming an evaluation area according to a pipe network topological relation or drainage partition, and calculating an area drainage model rating enforceability score E in the evaluation area, and a corresponding sensor data quality score R1, a model quality score R2 and a sensor distribution score R3; finally, the enforceability score E is rated according to the regional drainage model, and the corresponding sensor data quality score R1, model quality score R2 and sensor distribution score R3 are judged. The sensor short-term layout updating strategy is formed by judging the layout and the data quality of the drainage system model, so that the method has stronger pertinence and practicability.
Description
Technical Field
The invention relates to the technical field, in particular to a sensor layout updating method for auxiliary drainage model calibration verification.
Background
The drainage system is taken as one of the safety centers of cities, is an important point of urban treatment, and with the increase of the total amount of the drainage pipe network and the increase of the functional requirements of the drainage system in the new era, the difficulty of management and scheduling by means of manual experience is increased, and systematic and comprehensive treatment of the drainage system is urgently needed by constructing a drainage informatization supervision platform.
In the prior art, a mathematical model is generally used for simulating a rainfall process and the like, a drainage pipe channel is considered as a system, and a pipe network is managed by the mathematical model. Along with the wider and wider application range of the drainage model, the drainage model plays an increasingly larger role from the initial drainage system planning to system capacity verification and to later engineering design scheme evaluation, and even pipe network facility scheduling, so that the use of the model becomes an important path for intelligent management of the drainage system in China.
However, in the prior art, the phenomenon of're-construction and light verification' of the drainage model is common, so that the capability of the model to reproduce a real scene is greatly restricted, and the model cannot be really applied to practice. Therefore, the confidence level of the control model is a key factor for managing risks and uncertainties in the modeling process, and the expected use of the model needs to be checked and corrected through calibration verification. The process requires the sensors to provide operation data, some data can come from the system, namely the sensors, and some data can be acquired through short-term sensor installation, so that the point position of the short-term sensor installation is selected in the patch area, and the model in the patch area is suitable for the expected application and is a difficult point and a breakthrough point of the current model construction.
Therefore, how to analyze the quality of the operation data collected by the existing drainage system monitoring facilities and combine the quality classification of the drainage model to form the short-term layout and update requirements of the sensors of different areas of the whole drainage system, so that the technical problem of the technical personnel in the field needs to be solved is solved by providing a data basis for model calibration and verification.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention provides a sensor layout updating method for assisting in calibration verification of a drainage model, which is implemented by identifying existing sensors in hydraulic model software to form a quality evaluation system, judging the difficulty of calibration verification of different partitions of the system, and forming short-term layout of different partition sensors or a sensor maintenance updating strategy by combining with the calibration verification requirement of the model.
In order to achieve the above purpose, the invention discloses a sensor layout updating method for auxiliary drainage model calibration verification; the method comprises the following steps:
Step 1, constructing a drainage system model by utilizing hydraulic model software aiming at a zone needing to be arranged and updated on a sensor;
Step 2, in the drainage system model, performing position identification on the existing sensor, forming an evaluation area according to a pipe network topological relation or drainage partition, and calculating an area drainage model rating enforceability score E in the evaluation area, and a corresponding sensor data quality score R1, a model quality score R2 and a sensor distribution score R3, wherein the specific formula is as follows:
E＝0.29R1+0.37R2+0.34R3；
R1＝0.11W11+0.16W12+0.35W13+0.38W14；
R2＝0.44W21+0.56W22；
R3＝W31；
wherein W11 is a sensor timeliness score scored according to H1, h1=1- (year of evaluation-year of data)/20 ] ×100%;
W12 is a sensor consistency score scored according to H2, h2=reject data volume (bar)/zone data total volume (bar) without consistency 100%;
W13 is sensor accuracy score scoring according to H3, h3=data amount (bar) after outlier removal/total area data amount (bar) 100%;
w14 is sensor integrity score scored against H4, h4=data volume (bar)/area data total (bar) 100% after rejection of lost data for one year
W21 is model accuracy scoring, scoring according to H5, h5=culled pipe connectivity, problematic pipe length (km) for pipe network topology/regional pipe total length (km) 100%;
W22 is model integrity scoring according to H6, h6=culled pipe network data incomplete pipe length (km)/regional pipe total length (km) ×100%;
W31 is scored according to H7, h7=area sensor number (number)/area (square kilometer);
Scoring is specifically as follows:
When H1, H2, H3, H4, H5 or H6 is less than or equal to 100 and greater than 90, the corresponding W11, W12, W13, W14, W21 or W22 is 1 minute;
when H1, H2, H3, H4, H5 or H6 is less than or equal to 90 and greater than 80, the corresponding W11, W12, W13, W14, W21 or W22 is 0.8 minutes;
when H1, H2, H3, H4, H5 or H6 is 80 or less and more than 70, the corresponding W11, W12, W13, W14, W21 or W22 is 0.6 minutes;
when H1, H2, H3, H4, H5 or H6 is less than or equal to 70 and greater than 60, the corresponding W11, W12, W13, W14, W21 or W22 is 0.4 minutes;
When H1, H2, H3, H4, H5 or H6 is less than or equal to 60 and greater than 50, the corresponding W11, W12, W13, W14, W21 or W22 is 0.2 minutes;
when H1, H2, H3, H4, H5 or H6 is less than or equal to 50, the corresponding W11, W12, W13, W14, W21 or W22 is 0.05 minutes;
When H7 is more than or equal to 0.5, the corresponding W31 is 1 minute;
When H7 is less than 0.5 and equal to or greater than 0.3, the corresponding W31 is 0.8 minutes;
When H7 is less than 0.3 and greater than or equal to 0.1, the corresponding W31 is 0.6 minutes;
when H7 is less than 0.1 and greater than or equal to 0.05, the corresponding W31 is 0.4 minutes;
When H7 is less than 0.05 and greater than or equal to 0.02, the corresponding W31 is 0.2 minutes;
when H7 is less than 0.02, the corresponding W31 is 0.05 minutes;
And 3, calibrating an enforceability score E according to the regional drainage model, and judging the corresponding sensor data quality score R1, the model quality score R2 and the sensor distribution score R3, wherein the method comprises the following specific steps of:
When the regional drainage model rating enforceability score E is more than 0.8, the model quality is good, the existing sensor data basically can meet the regional model rating verification requirement, and short-term arrangement and update of the sensor are not needed;
When the regional drainage model rates the enforceable score E to be less than or equal to 0.8, the score E of the sensor distribution R3 is more than 0.6, R1 is less than 0.6, and R2 is more than or equal to 0.8, the corresponding short-term sensor layout update strategy is as follows: the sensor data quality is problematic, the data for calibrating and verifying the support rate can be obtained by correcting the sensor data or adding short-term equipment, and the priority is optimal;
When the regional drainage model rates the enforceable score E to be less than or equal to 0.8, the score E of the sensor distribution R3 is more than 0.6, R1 is more than or equal to 0.6, and R2 is less than 0.8, corresponding short-term sensor layout updating strategies are as follows: the model quality is further improved, and then the calibration verification is carried out, wherein the priority is suboptimal;
When the regional drainage model rates the enforceable score E less than or equal to 0.8, the score E of the sensor distribution R3 is more than 0.6, R1 is less than 0.6, and R2 is less than 0.8, the corresponding sensor short-term layout update strategy is: the model quality and the data quality are required to be improved at the same time, the current verification condition is not provided, and the priority is the lowest;
When the regional drainage model rates the enforceability score E less than or equal to 0.8, the score E of the sensor distribution R3 is less than or equal to 0.6, and R2 is less than 0.7, the corresponding sensor short-term layout update strategy is: the model quality is further improved, and then the calibration verification is carried out, wherein the priority is suboptimal;
when the regional drainage model rates the enforceable score E to be less than or equal to 0.8, the score E of the sensor distribution R3 to be less than or equal to 0.6, and R2 to be more than or equal to 0.7, the corresponding short-term sensor layout update strategy is as follows: and adding short-term equipment to obtain data for supporting calibration verification, wherein the priority is optimal.
Preferably, in the step 3, the accuracy of the sensor is used for judging whether the data is true or not; the sensor integrity is used for judging whether the transmission data is data of one whole year or not, and whether loss phenomenon exists due to disconnection, equipment failure and the like during the period; the sensor consistency is to put data in the whole drainage system to see whether contradiction data exist or not; the sensor timeliness is whether the data is up-to-date or historical.
Preferably, in the step 3, the model accuracy refers to whether the connectivity and the topology of the pipe network in the drainage system model are accurate; the model integrity refers to whether parameters such as pipe diameter, length, elevation and the like of pipe network basic data are complete in the process of constructing the drainage system model.
The invention has the beneficial effects that:
The invention forms a sensor short-term layout updating strategy by judging the quality of the hydraulic/water quality model of the drainage system and the layout and data quality of the existing sensor, is used for verifying the drainage model, and the formed layout updating scheme is combined with the current situation of the area and the expected demand of the model, so that the method has stronger pertinence and practicability.
The conception, specific structure, and technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present invention.
Drawings
Fig. 1 shows a flow chart of an embodiment of the invention.
Detailed Description
Examples
As shown in fig. 1, a sensor layout updating method for auxiliary drainage model calibration verification; the method comprises the following steps:
Step 1, constructing a drainage system model by utilizing hydraulic model software aiming at a zone needing to be arranged and updated on a sensor;
Step 2, in a drainage system model, performing position identification on an existing sensor, forming an evaluation area according to a pipe network topological relation or drainage partition, calculating a regional drainage model rating enforceability score E in the evaluation area, and correspondingly determining a sensor data quality score R1, a model quality score R2 and a sensor distribution score R3, wherein the specific formula is as follows:
E＝0.29R1+0.37R2+0.34R3；
R1＝0.11W11+0.16W12+0.35W13+0.38W14；
R2＝0.44W21+0.56W22；
R3＝W31；
wherein W11 is a sensor timeliness score scored according to H1, h1=1- (year of evaluation-year of data)/20 ] ×100%;
W12 is a sensor consistency score scored according to H2, h2=reject data volume (bar)/zone data total volume (bar) without consistency 100%;
W13 is sensor accuracy score scoring according to H3, h3=data amount (bar) after outlier removal/total area data amount (bar) 100%;
w14 is sensor integrity score scored against H4, h4=data volume (bar)/area data total (bar) 100% after rejection of lost data for one year
W21 is model accuracy scoring, scoring according to H5, h5=culled pipe connectivity, problematic pipe length (km) for pipe network topology/regional pipe total length (km) 100%;
W22 is model integrity scoring according to H6, h6=culled pipe network data incomplete pipe length (km)/regional pipe total length (km) ×100%;
W31 is scored according to H7, h7=area sensor number (number)/area (square kilometer);
The specific table is shown below:
Scoring is specifically as follows:
When H1, H2, H3, H4, H5 or H6 is less than or equal to 100 and greater than 90, the corresponding W11, W12, W13, W14, W21 or W22 is 1 minute;
when H1, H2, H3, H4, H5 or H6 is less than or equal to 90 and greater than 80, the corresponding W11, W12, W13, W14, W21 or W22 is 0.8 minutes;
when H1, H2, H3, H4, H5 or H6 is 80 or less and more than 70, the corresponding W11, W12, W13, W14, W21 or W22 is 0.6 minutes;
when H1, H2, H3, H4, H5 or H6 is less than or equal to 70 and greater than 60, the corresponding W11, W12, W13, W14, W21 or W22 is 0.4 minutes;
When H1, H2, H3, H4, H5 or H6 is less than or equal to 60 and greater than 50, the corresponding W11, W12, W13, W14, W21 or W22 is 0.2 minutes;
when H1, H2, H3, H4, H5 or H6 is less than or equal to 50, the corresponding W11, W12, W13, W14, W21 or W22 is 0.05 minutes;
When H7 is more than or equal to 0.5, the corresponding W31 is 1 minute;
When H7 is less than 0.5 and equal to or greater than 0.3, the corresponding W31 is 0.8 minutes;
When H7 is less than 0.3 and greater than or equal to 0.1, the corresponding W31 is 0.6 minutes;
when H7 is less than 0.1 and greater than or equal to 0.05, the corresponding W31 is 0.4 minutes;
When H7 is less than 0.05 and greater than or equal to 0.02, the corresponding W31 is 0.2 minutes;
when H7 is less than 0.02, the corresponding W31 is 0.05 minutes;
The specific table is shown below:
and 3, calibrating an enforceability score E according to the regional drainage model, and judging a corresponding sensor data quality score R1, a model quality score R2 and a sensor distribution score R3, wherein the method comprises the following specific steps of:
When the regional drainage model rating enforceability score E is more than 0.8, the model quality is better, the existing sensor data basically can meet the regional model rating verification requirement, and short-term arrangement and update of the sensor are not needed;
When the regional drainage model is rated with the enforceability score E less than or equal to 0.8, the score value E of the sensor distribution R3 is more than 0.6, R1 is less than 0.6, and R2 is more than or equal to 0.8, the corresponding short-term sensor layout updating strategy is as follows: the sensor data quality is problematic, the data for calibrating and verifying the support rate can be obtained by correcting the sensor data or adding short-term equipment, and the priority is optimal;
When the regional drainage model is rated with the enforceability score E less than or equal to 0.8, the score value E of the sensor distribution R3 is more than or equal to 0.6, R1 is more than or equal to 0.6, and R2 is less than 0.8, the corresponding short-term sensor layout updating strategy is as follows: the model quality is further improved, and then the calibration verification is carried out, wherein the priority is suboptimal;
When the regional drainage model is rated with the enforceability score E less than or equal to 0.8, the score value E of the sensor distribution R3 is more than 0.6, R1 is less than 0.6, and R2 is less than 0.8, the corresponding short-term sensor layout updating strategy is as follows: the model quality and the data quality are required to be improved at the same time, the current verification condition is not provided, and the priority is the lowest;
when the regional drainage model is rated with the enforceability score E less than or equal to 0.8, the score value E of the sensor distribution R3 is less than or equal to 0.6, and R2 is less than 0.7, the corresponding short-term sensor layout updating strategy is as follows: the model quality is further improved, and then the calibration verification is carried out, wherein the priority is suboptimal;
when the regional drainage model is rated with the enforceability score E less than or equal to 0.8, the score value E of the sensor distribution R3 is less than or equal to 0.6, and R2 is more than or equal to 0.7, the corresponding short-term sensor layout updating strategy is as follows: and adding short-term equipment to obtain data for supporting calibration verification, wherein the priority is optimal.
The principle of the invention is as follows:
On the basis of constructing a hydraulic/water quality model of the zone drainage system, the invention marks the existing sensor in hydraulic model software, then judges and classifies the data quality of the sensor, meanwhile judges and classifies the model construction quality, and combines the two conditions together, and judges the difficulty of verification of different zones of the system by forming a quality evaluation system, and then forms short-term layout or sensor maintenance update strategies of different zone sensors by combining the model verification requirements.
In certain embodiments, in step 3, sensor accuracy is used to determine whether the data is authentic; the integrity of the sensor is used for judging whether the transmission data is data of an entire year or not, and whether the transmission data is lost due to disconnection or equipment failure or the like or not; sensor consistency is to put data in the whole drainage system to see whether contradiction data exists or not; sensor timeliness refers to whether the data is up-to-date or historical.
In some embodiments, in step 3, model accuracy refers to whether the connectivity and topology of the pipe network in the drainage system model is accurate; model integrity refers to whether parameters such as pipe diameter, length, elevation and the like of pipe network basic data are complete in the process of constructing a drainage system model.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (3)
1. A sensor layout updating method for calibrating and verifying an auxiliary drainage model; the method is characterized by comprising the following steps of:
Step 1, constructing a drainage system model by utilizing hydraulic model software aiming at a zone needing to be arranged and updated on a sensor;
Step 2, in the drainage system model, performing position identification on the existing sensor, forming an evaluation area according to a pipe network topological relation or drainage partition, and calculating an area drainage model rating enforceability score E in the evaluation area, and a corresponding sensor data quality score R1, a model quality score R2 and a sensor distribution score R3, wherein the specific formula is as follows:
E＝0.29R1+0.37R2+0.34R3；
R1＝0.11W11+0.16W12+0.35W13+0.38W14；
R2＝0.44W21+0.56W22；
R3＝W31；
wherein W11 is a sensor timeliness score scored according to H1, h1=1- (year of evaluation-year of data)/20 ] ×100%;
W12 is a sensor consistency score scored according to H2, h2=reject data volume (bar)/zone data total volume (bar) without consistency 100%;
W13 is sensor accuracy score scoring according to H3, h3=data amount (bar) after outlier removal/total area data amount (bar) 100%;
w14 is sensor integrity score scored against H4, h4=data volume (bar)/area data total (bar) 100% after rejection of lost data for one year
W21 is model accuracy scoring, scoring according to H5, h5=culled pipe connectivity, problematic pipe length (km) for pipe network topology/regional pipe total length (km) 100%;
W22 is model integrity scoring according to H6, h6=culled pipe network data incomplete pipe length (km)/regional pipe total length (km) ×100%;
W31 is scored according to H7, h7=area sensor number (number)/area (square kilometer);
Scoring is specifically as follows:
When H1, H2, H3, H4, H5 or H6 is less than or equal to 100 and greater than 90, the corresponding W11, W12, W13, W14, W21 or W22 is 1 minute;
when H1, H2, H3, H4, H5 or H6 is less than or equal to 90 and greater than 80, the corresponding W11, W12, W13, W14, W21 or W22 is 0.8 minutes;
when H1, H2, H3, H4, H5 or H6 is 80 or less and more than 70, the corresponding W11, W12, W13, W14, W21 or W22 is 0.6 minutes;
when H1, H2, H3, H4, H5 or H6 is less than or equal to 70 and greater than 60, the corresponding W11, W12, W13, W14, W21 or W22 is 0.4 minutes;
When H1, H2, H3, H4, H5 or H6 is less than or equal to 60 and greater than 50, the corresponding W11, W12, W13, W14, W21 or W22 is 0.2 minutes;
when H1, H2, H3, H4, H5 or H6 is less than or equal to 50, the corresponding W11, W12, W13, W14, W21 or W22 is 0.05 minutes;
When H7 is more than or equal to 0.5, the corresponding W31 is 1 minute;
When H7 is less than 0.5 and equal to or greater than 0.3, the corresponding W31 is 0.8 minutes;
When H7 is less than 0.3 and greater than or equal to 0.1, the corresponding W31 is 0.6 minutes;
when H7 is less than 0.1 and greater than or equal to 0.05, the corresponding W31 is 0.4 minutes;
When H7 is less than 0.05 and greater than or equal to 0.02, the corresponding W31 is 0.2 minutes;
when H7 is less than 0.02, the corresponding W31 is 0.05 minutes;
And 3, calibrating an enforceability score E according to the regional drainage model, and judging the corresponding sensor data quality score R1, the model quality score R2 and the sensor distribution score R3, wherein the method comprises the following specific steps of:
When the regional drainage model rating enforceability score E is more than 0.8, the model quality is good, the existing sensor data basically can meet the regional model rating verification requirement, and short-term arrangement and update of the sensor are not needed;
When the regional drainage model rates the enforceable score E to be less than or equal to 0.8, the score E of the sensor distribution R3 is more than 0.6, R1 is less than 0.6, and R2 is more than or equal to 0.8, the corresponding short-term sensor layout update strategy is as follows: the sensor data quality is problematic, the data for calibrating and verifying the support rate can be obtained by correcting the sensor data or adding short-term equipment, and the priority is optimal;
When the regional drainage model rates the enforceable score E to be less than or equal to 0.8, the score E of the sensor distribution R3 is more than 0.6, R1 is more than or equal to 0.6, and R2 is less than 0.8, corresponding short-term sensor layout updating strategies are as follows: the model quality is further improved, and then the calibration verification is carried out, wherein the priority is suboptimal;
When the regional drainage model rates the enforceable score E less than or equal to 0.8, the score E of the sensor distribution R3 is more than 0.6, R1 is less than 0.6, and R2 is less than 0.8, the corresponding sensor short-term layout update strategy is: the model quality and the data quality are required to be improved at the same time, the current verification condition is not provided, and the priority is the lowest;
When the regional drainage model rates the enforceability score E less than or equal to 0.8, the score E of the sensor distribution R3 is less than or equal to 0.6, and R2 is less than 0.7, the corresponding sensor short-term layout update strategy is: the model quality is further improved, and then the calibration verification is carried out, wherein the priority is suboptimal;
when the regional drainage model rates the enforceable score E to be less than or equal to 0.8, the score E of the sensor distribution R3 to be less than or equal to 0.6, and R2 to be more than or equal to 0.7, the corresponding short-term sensor layout update strategy is as follows: and adding short-term equipment to obtain data for supporting calibration verification, wherein the priority is optimal.
2. The sensor layout updating method for auxiliary drainage model calibration verification according to claim 1, wherein in the step 3, the sensor accuracy is used for judging whether the data is true or not; the sensor integrity is used for judging whether the transmission data is data of one whole year or not, and whether the loss phenomenon exists due to disconnection or equipment failure or not during the period; the sensor consistency is to put data in the whole drainage system to see whether contradiction data exist or not; the sensor timeliness is whether the data is up-to-date or historical.
3. The sensor layout updating method for auxiliary drainage model calibration verification according to claim 1, wherein in the step 3, the model accuracy refers to whether connectivity and topology of a pipe network in the drainage system model are accurate; the model integrity refers to whether the pipe network basic data parameters are complete in the process of constructing the drainage system model.
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| CN106382471A (en) * | 2016-11-25 | 2017-02-08 | 上海市城市排水有限公司 | Municipal drainage pipe network diagnostic assessment method giving consideration to key node |
| CN113361050A (en) * | 2021-06-02 | 2021-09-07 | 上海市水务规划设计研究院(上海市海洋规划设计研究院) | Drainage decision system and method based on webpage end pipe network model |
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| US20130218483A1 (en) * | 2012-02-17 | 2013-08-22 | Johnson Controls Technology Company | Cooling tower drain monitor |
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