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LabVIEW<SUP>TM</SUP>를 이용한 생물공정의 모니터링 및 제어 연구
이승현(Seung-Hyun Lee),임용식(Yong-Sik Yim),이종일(Jong Il Rhee) 한국생물공학회 2019 KSBB Journal Vol.34 No.1
In this study, LabVIEW<SUP>TM</SUP>-based programs were developed for the monitoring and control of biological processes like recombinant E. coli fermentations. Electrical signals were obtained from sensors in the bioprocess and converted into values of process variables, and electrical noise was also eliminated. Dissolved oxygen concentrations during microbial fermentation were monitored and controlled using a PID control algorithm written in LabVIEW<SUP>TM</SUP> program. Fedbatch fermentations were performed using feedback and feedforward control techniques. Amounts of concentrated substrate entering to the bioreactor were graphically displayed and saved in a file as data. A two-dimensional fluorescence sensor was used to detect various biochemicals in biological processes. A LabVIEW<SUP>TM</SUP> program was developed for the monitoring of bioprocesses with the two-dimensional fluorescence sensor, and three-dimensional fluorescence spectra graphs were displayed in real-time via client PC. A flow injection analysis system (glucose-FIA) operated with a LabVIEW<SUP>TM</SUP> program was used for on-line monitoring of glucose in a bioprocess. Signal peaks obtained from the FIA detector were analyzed by the LabVIEW<SUP>TM</SUP> program, and peak graphs were saved in a file. On-line monitored glucose data were corresponded with off-line measured glucose data well.