| Chromatography is a method of separation and analysis in chemical analysis.It has been widely applied in chemical,petroleum,environmental protection and medicine fields.The chromatographic working platform is a software system that controls equipments and collects data by computer.The existing chromatographic platform is generally a stand-alone version.In this research,Web technology is introduced so that users can get real-time chromatographic software services through the network.Django is chosen as the server software framework of the chromatographic working platform,and the browser server architecture is realized.Each function module of the server uses the distributed task queue Celery to unify scheduling,which can make full use of the server resources and ensure that each task is executed efficiently in an asynchronous and parallel manner.The chromatographic platform can effectively control the device and instrument through serial ports,and realize the functions of equipment monitoring and dynamic acquisition based on this.The data storage of the server is stored in the static and dynamic way.The static data is stored in the MySql database,and the dynamic data is efficiently accessed by the Redis message queue in the producer consumer mode.User rights management,logging and other functions are also implemented.A complete set of chromatographic data processing algorithms is designed,including filtering denoising,spectral peak identification,overlapping peak decomposition,and finally quantitative calculation.Among them,filtering and overlapping peak decomposition have great influence on quantitative calculation.Using the method of wavelet transform,the research of filtering and overlapping peak decomposition is focused on.Experiments are carried out with simulated data and collected data,and good results have been achieved.Finally,the chromatographic work platform is tested comprehensively,which includes the synchronization test of chromatographic acquisition module,the stability and accuracy test of chromatographic analysis algorithm,and the testing of other functional modules.The test results show that the chromatographic working platform has good practicability. |
