Daegeun Ha

Multi-mode operation of principal component analysis with k-nearest neighbor algorithm to monitor compressors for liquefied natural gas mixed refrigerant processes

Daegeun Ha, Usama Ahmed, Hahyung Pyun et al. · Computers & Chemical Engineering · 2017 · 56 citations

Computing, Chemical Engineering, Air Conditioning +15

Root causality analysis at early abnormal stage using principal component analysis and multivariate Granger causality

Hahyung Pyun, Kyeongsu Kim, Daegeun Ha et al. · Process Safety and Environmental Protection · 2019 · 45 citations

Computing, Finance, Causal Inference +7

A heuristic method of variable selection based on principal component analysis and factor analysis for monitoring in a 300 kW MCFC power plant

Hyeon-Seok Jeong, Sung‐Woo Cho, Daeyeon Kim et al. · International Journal of Hydrogen Energy · 2012 · 30 citations

Computing, Electrical Engineering, Systems Engineering +16

Estimation of Disturbance Propagation Path Using Principal Component Analysis (PCA) and Multivariate Granger Causality (MVGC) Techniques

Usama Ahmed, Daegeun Ha, Seolin Shin et al. · Industrial & Engineering Chemistry Research · 2017 · 24 citations

Computing, Systems Engineering, Fault-tolerant Computing +16

Design of microchannel Fischer–Tropsch reactor using cell-coupling method: Effect of flow configurations and distribution

Seongho Park, Ikhwan Jung, Yong-Kyu Lee et al. · Chemical Engineering Science · 2015 · 22 citations

Engineering, Chemical Engineering, Bioreactor Design +12