Research On Multi Parameter Geological Disaster Monitoring Equipment And System Based On GIS

The key equipment and data processing of geological disaster monitoring is the key step in the whole process of geological disaster monitoring,and its core is to solve the data acquisition,data transmission,data processing and early warning model development in the process of geological disaster prevention and control.Because the monitoring of geological disasters is a process of many influencing factors,complex monitoring environment and long-term monitoring,it is necessary to establish a set of highly reliable geological disaster information management and control system.This paper mainly realizes the research and development of geological disaster monitoring equipment and system based on GIS.After the sensor completes the data collection,the data is transmitted to the geological disaster data center of Sichuan Province through wireless transmission.In order to facilitate data query and data analysis,the collected data is synchronized to the local data server.After processing the local data,it is used as the data base of early warning model calculation,and the early warning information is obtained through calculation.First of all,through the query and collection of relevant information of geological disaster monitoring equipment and early warning methods,the key technologies of the whole geological disaster monitoring system are defined,including the key technologies of equipment data collection,data synchronization,data transmission and processing,early warning model and information system.This paper analyzes the research status of geological disaster monitoring equipment at home and abroad,and expounds the basic methods of geological disaster data processing.The development trend of geological disaster monitoring information system is clarified.Secondly,there are many different types of receiving and sending data modules for geological disaster data collection.This paper proposes an intelligent monitoring terminal RTU,which adopts industrial GSM / GPRS receiving and sending module and high-performance 32-bit processor,embedded with real-time operating system,and has 4-way switch value and 8-way analog input.It realizes the functions of ground deformation monitoring,internal deformation monitoring,groundwater monitoring The data of stress monitoring,meteorological monitoring and other monitoring are unified sampling,data conversion and data analysis,which simplifies the terminal installation process.A number of RTU monitoring networks have been set up to meet the needs of wireless real-time monitoring for widely distributed,remote and unattended monitoring points.Thirdly,regression analysis data processing,Kalman filter processing and time series processing methods are used to complete the data error processing and analysis,and the error is controlled within 10%.Based on the monitoring indexes of geological disasters,the analytic hierarchy process(AHP)and grey correlation monitoring and early warning model are proposed,the threshold early warning model is proposed based on the statistical analysis method,and the process analysis early warning model is proposed based on the occurrence process of geological disasters.According to these early warning models,the core algorithm of geological disaster monitoring and early warning is built.In the process of a disaster,according to the early warning model to accurately calculate the specific time of the disaster,the core method of disaster early warning based on data-driven is realized.Finally,the software development of multi parameter geological disaster monitoring system based on GIS is realized.The system adopts B / S architecture.The system mainly realizes login authentication,authority management,data processing and analysis,disaster warning information generation,timing data synchronization,system management and other functions.The data server is built based on Java language and spring microservice framework,the system database uses My SQL database,and the front end of the system mainly uses Vue framework and ecarts data rendering framework to achieve data graph rendering.The data communication between the front end and the back end of the system adopts the string of JSON format.Finally,the software is applied to verify the effect of the software.