CN-121996969-A - Digital twinning-based environmental air quality monitoring station room running state construction method

CN121996969ACN 121996969 ACN121996969 ACN 121996969ACN-121996969-A

Abstract

The invention relates to a digital twinning-based environmental air quality monitoring station room operation state construction method, which comprises the steps of obtaining multi-source operation data of an environmental air quality monitoring station room, constructing digital twinning objects, carrying out domain division processing, mapping the operation data into digital twinning state variables according to abstract rules, carrying out normalization processing on the digital twinning state variables according to normalization rules, and combining the normalized digital twinning state variables to form digital twinning state vectors for representing the operation state of the environmental air quality monitoring station room. The method has the advantages that the multisource operation data are mapped into the unified digital twin state by constructing the digital twin object corresponding to the monitoring station room, the operation state can slowly evolve along with time by continuously updating the digital twin state vector, the method is suitable for long-term operation management of the monitoring station room, good expansibility is achieved, operation and maintenance support which can be explained by engineering is achieved, and the problem that operation and maintenance personnel can directly position is solved.

Inventors

WU CAIHONG
LUO YONGXIAN
MA XUEMIN
LI RUIQI
ZHANG JIANA

Assignees

顺德职业技术大学

Dates

Publication Date: 20260508
Application Date: 20260128

Claims (6)

1. The method for constructing the running state of the room of the environmental air quality monitoring station based on digital twinning is characterized by comprising the following steps: Step one The method comprises the steps of obtaining multi-source operation data of an environmental air quality monitoring station room, wherein the multi-source operation data at least comprise environmental parameter data reflecting the internal environmental conditions of the station room, equipment operation data reflecting the working state of monitoring equipment and quality related data reflecting the reliability of the monitoring data; Step two Constructing a digital twin object corresponding to the multi-source operation data of the air quality monitoring station room according to the multi-source operation data, and carrying out domain division processing on the digital twin object according to the physical attribute reflected by the digital twin object to form Forming an environment state domain, a device running state domain and a data quality state domain; Step three According to a preset state abstraction rule, mapping the operation data in each state domain in the second step into a digital twin state variable with engineering semantics; Step four Carrying out normalization processing on the digital twin state variables in the third step according to a preset normalization rule, so that the values of the digital twin state variables are mapped to a unified state space; Step five Combining the normalized digital twin state variables in the fourth step according to a preset sequence to form a digital twin state vector which is used for representing the running state of the room of the environmental air quality monitoring station; Step six Repeating the first step to the fifth step, so that the twin state vector is continuously updated, and reflecting the dynamic evolution process of the running state of the monitoring station room.
2. The method for constructing the running state of the environmental air quality monitoring station room based on the digital twin according to claim 1 is characterized in that the state abstraction rule in the third step at least comprises one or more of the following principles that a state variable has physical interpretability and can be mapped to a specific running state, the state variable is insensitive to transient fluctuation and is used for reflecting a staged or long-term running state, a plurality of homologous or related running data are abstracted into a single state variable to realize dimensional compression, and the state variable is continuously changed along with time and is used for describing the evolution process of the running state.
3. The method for constructing the running state of the room of the environmental air quality monitoring station based on digital twinning according to claim 1, wherein in the third step, the normalization rule maps digital twinning state variables with different dimensions to a unified state interval according to corresponding reference data so as to realize comparability among different state variables.
4. The method for constructing the running state of the environmental air quality monitoring station room based on the digital twin according to claim 1 is characterized in that the digital twin object is used for carrying out structural representation on the running state of the environmental air quality monitoring station room in a digital space and can reflect the state change of the monitoring station room at different running moments.
5. The method for constructing the running state of the room of the environmental air quality monitoring station based on the digital twin according to claim 1 is characterized in that the processing method of the domain division processing is that the digital twin is divided into an environmental state domain when the digital twin reflects the internal environmental condition of the room of the monitoring station, the digital twin is divided into a device running state domain when the digital twin reflects the working state or the health condition of monitoring devices, and the digital twin is divided into a data quality state domain when the digital twin reflects the integrity, the stability or the reliability of monitoring data.
6. The method for constructing the running state of the room of the environmental air quality monitoring station based on the digital twin according to claim 1, wherein the digital twin state vector is used as the input of the running assessment, the abnormality identification or the running and maintenance decision of the room of the monitoring station and is used for supporting the running management of the room of the monitoring station.

Description

Digital twinning-based environmental air quality monitoring station room running state construction method Technical Field The invention relates to a digital twinning-based method for constructing the running state of a room of an environmental air quality monitoring station. Background At present, an automatic environmental air quality monitoring station is an important component of an environmental air quality monitoring system, and the running state of the automatic environmental air quality monitoring station directly influences the continuity, accuracy and reliability of monitoring data. The existing environmental air quality monitoring station building generally monitors the station building operation condition by collecting environmental parameters, equipment operation parameters and monitoring data quality parameters. However, the prior art focuses on judging single data or threshold values, and lacks a unified expression mode for the overall operation state of the monitoring station house. The multi-source heterogeneous data are related in the operation process of the monitoring station room, the data dimension is not uniform and the semantics are scattered, so that the real operation state of the monitoring station room is difficult to directly connect, the abnormal operation state is easy to recognize and lag, the quality of the monitoring data is influenced, the requirement of fine operation management is difficult to meet, the operation evaluation result has poor interpretation, and the continuous analysis and management of the long-term operation state are not facilitated. Therefore, a technical solution capable of converting multi-source operation data into a unified, evolvable operation state is needed. Disclosure of Invention The invention aims to overcome the defects of the prior art and provide a method for constructing the running state of an environmental air quality monitoring station house based on digital twinning, the multi-source operation data is mapped into a unified digital twin state by constructing a digital twin object corresponding to the monitoring station room, so that the structural and continuous expression of the monitoring station room operation state is realized. In order to achieve the above purpose, the technical scheme of the invention is realized in such a way that the method for constructing the running state of the room of the environmental air quality monitoring station based on digital twinning is characterized by comprising the following steps: Step one The method comprises the steps of obtaining multi-source operation data of an environmental air quality monitoring station room, wherein the multi-source operation data at least comprise environmental parameter data reflecting the internal environmental conditions of the station room, equipment operation data reflecting the working state of monitoring equipment and quality related data reflecting the reliability of the monitoring data; Step two Constructing a digital twin object corresponding to the multi-source operation data of the air quality monitoring station room according to the multi-source operation data, and carrying out domain division processing on the digital twin object according to the physical attribute reflected by the digital twin object to form Forming an environment state domain, a device running state domain and a data quality state domain; Step three According to a preset state abstraction rule, mapping the operation data in each state domain in the second step into a digital twin state variable with engineering semantics; Step four Carrying out normalization processing on the digital twin state variables in the third step according to a preset normalization rule, so that the values of the digital twin state variables are mapped to a unified state space; Step five Combining the normalized digital twin state variables in the fourth step according to a preset sequence to form a digital twin state vector which is used for representing the running state of the room of the environmental air quality monitoring station; Step six Repeating the first step to the fifth step, so that the twin state vector is continuously updated, and reflecting the dynamic evolution process of the running state of the monitoring station room. In the technical scheme, the state abstraction rule in the third step at least comprises one or more of the following principles that state variables have physical interpretability and can be mapped to specific running states, the state variables are insensitive to transient fluctuation and are used for reflecting staged or long-term running states, a plurality of homologous or related running data are abstracted into a single state variable to realize dimensional compression, and the state variables continuously change along with time and are used for describing the evolution process of the running states. In the technical scheme, the normalization rule in the third step maps