화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2019년 가을 (10/23 ~ 10/25, 대전컨벤션센터)
권호 25권 2호, p.1373
발표분야 공정시스템 (Process Systems Engineering)
제목 DEEP LEARNING APPROACH TO NORMAL BOILING POINT PREDICTION FROM EXPERIMENTAL DATA WITH uncertainty
초록 Physical properties measurements are normally time consuming and expensive, which is the first limiting factor to effective process design when dealing with new compounds. Many approaches have been used to develop predictive models from molecular structural information. However, since molecular interactions at a quantum mechanical level are hard to quantify and yet to be fully understood, these deterministic approaches fail to work on a wide range of compounds and present rather big deviations for particular types of molecules. Also, methods based on quantum calculations often take a long time to be generated. We propose a machine learning centered pipeline that involves a supervised learning molecular classification step followed by a Graph Convolutional Network(GNU) in order to predict Normal Boiling Point Temperatures from structural information. Particularly, our approach differs from other applications to this task, by the fact that the training data utilized includes uncertainty values for every particular measurement. To leverage this information, we present a modified loss function in order to account for the "trustability" of each data point and its ground truth value.
저자 Hormazabal Rodrigo1, 양대륙1, 강정원1, 장지웅2
소속 1고려대, 2금오공과대
키워드 공정모델링; 공정최적화; 공정모사
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