Search Results - "Heo, SungKu"

Optimal utility supply network under demand uncertainty for operational risk assessment on a petrochemical industrial park by Vilela, Paulina, Park, SungKu Heo, Hwangbo, Soonho, Yoo, ChangKyoo

“…A two-objective, two-stage mathematical model was developed considering demand uncertainty and operational risk assessment in constructing a utility supply…”
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Data-Driven Hybrid Model for Forecasting Wastewater Influent Loads Based on Multimodal and Ensemble Deep Learning by Heo, SungKu, Nam, KiJeon, Loy-Benitez, Jorge, Yoo, ChangKyoo

“…With the advent of the Industry 4.0 and the introduction of smart technologies in wastewater treatment plants (WWTP); forecasting influent loads is essential…”
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Membrane-informed multi-mechanistic predictive maintenance for MBR plants: Early determination of membrane cleaning with biologically driven, physically deposited, and chemically induced fouling model by Woo, TaeYong, Kim, SangYoun, Jeong, ChanHyeok, Heo, SungKu, Yoo, ChangKyoo

“…Membrane bioreactors (MBRs) are widely employed in wastewater treatment for their superior performance, though maintaining membrane efficiency remains costly…”
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AI-driven ventilation control policy proximal optimization coupled with dynamic-informed real-time model calibration for healthy and sustainable indoor PM2.5 management by Jeong, ChanHyeok, Heo, SungKu, Woo, TaeYong, Kim, SangYoun, Yoo, ChangKyoo

“…[Display omitted] •IAQ model was developed with genetic algorithm-driven rolling horizon calibration.•Key variables for IAQ dynamics were identified by global…”
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Green hydrogen vs green ammonia: A hierarchical optimization-based integrated temporal approach for comparative techno-economic analysis of international supply chains by Kim, Sunwoo, Park, Joungho, Heo, SungKu, Lee, Jay H.

“…Recent global trends have increasingly focused on sustainable and green energy solutions,transitioning away from fossil fuels. Green hydrogen (GH) and green…”
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Soft sensor validation for monitoring and resilient control of sequential subway indoor air quality through memory-gated recurrent neural networks-based autoencoders by Loy-Benitez, Jorge, Heo, SungKu, Yoo, ChangKyoo

“…Indoor air quality (IAQ) measurements play an important role in the subway ventilation system control, influencing over crucial factors as ventilation energy…”
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Deep learning driven QSAR model for environmental toxicology: Effects of endocrine disrupting chemicals on human health by Heo, SungKu, Safder, Usman, Yoo, ChangKyoo

“…Over 80,000 endocrine-disrupting chemicals (EDCs) are considered emerging contaminants (ECs), which are of great concern due to their effects on human health…”
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Explainable multisensor fusion-based automatic reconciliation and imputation of faulty and missing data in membrane bioreactor plants for fouling alleviation and energy saving by Ba-Alawi, Abdulrahman H., Nam, KiJeon, Heo, SungKu, Woo, TaeYong, Aamer, Hanaa, Yoo, ChangKyoo

“…[Display omitted] •XAI analysis clearly interpreted the most influencing variables on membrane fouling.•The MSF-ARI showed superior imputation and…”
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Real-scale demonstration of digital twins-based aeration control policy optimization in partial nitritation/Anammox process: Policy iterative dynamic programming approach by Heo, SungKu, Oh, Taeseok, Woo, TaeYong, Kim, SangYoon, Choi, Yunkyu, Park, Minseok, Kim, Jeonghoon, Yoo, ChangKyoo

“…Partial nitritation (PN) and anaerobic ammonium oxidation (Anammox) process is a promising energy-efficient nitrogen removal method in wastewater sector…”
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Development of deterministic-stochastic model to integrate variable renewable energy-driven electricity and large-scale utility networks: Towards decarbonization petrochemical industry by Hwangbo, Soonho, Heo, SungKu, Yoo, ChangKyoo

“…This paper aims to develop the mathematical model of electricity based on renewable energy and large-scale utility (eRELU) networks to achieve a low-carbon…”
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Imputing missing indoor air quality data via variational convolutional autoencoders: Implications for ventilation management of subway metro systems by Loy-Benitez, Jorge, Heo, SungKu, Yoo, ChangKyoo

“…Missing data represents a common problem in environmental and building-related processes, especially in the indoor air quality (IAQ) system of subway stations,…”
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Corrigendum to “Explainable AI-driven high-fidelity IAQ prediction (HiFi-IAQ) model for subway stations: Spatiotemporal outdoor air quality interpolation using geographic data” by Kim, SangYoun, Tariq, Shahzeb, Chang, Roberto, Ali, Usama, Ba-Alawi, Abdulrahman H., Heo, SungKu, Yoo, ChangKyoo

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Explainable AI-driven high-fidelity IAQ prediction (HiFi-IAQ) model for subway stations: Spatiotemporal outdoor air quality interpolation using geographic data by Kim, SangYoun, Tariq, Shahzeb, Chang, Roberto, Ali, Usama, Ba-Alawi, Abdulrahman H., Heo, SungKu, Yoo, ChangKyoo

“…Indoor air quality (IAQ) in underground subway stations is an emerging concern regarding the health of passengers. Outdoor air quality (OAQ) is strongly…”
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A novel solar assisted multigeneration system devoid of external utilities for drought adaptation considering water-exergy nexus analysis by Tariq, Shahzeb, Safder, Usman, Nguyen, Hai Tra, Ifaei, Pouya, Heo, SungKu, Yoo, ChangKyoo

“…[Display omitted] •A sustainable solar multigeneration system was proposed to adapt to climate change.•Comparative thermodynamic, cost, risk, and environmental…”
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Hydrogen-based self-sustaining integrated renewable electricity network (HySIREN) using a supply-demand forecasting model and deep-learning algorithms by Hwangbo, Soonho, Nam, KiJeon, Heo, SungKu, Yoo, ChangKyoo

“…[Display omitted] •A mathematical model of a self-sustaining energy system is designed.•Renewable forecasting models are developed by a hybrid EMD-DL…”
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An insight into nanocellulose as soft condensed matter: Challenge and future prospective toward environmental sustainability by Tan, KhangWei, Heo, SungKu, Foo, MeiLing, Chew, Irene MeiLeng, Yoo, ChangKyoo

“…Nanocellulose, a structural polysaccharide that has caught tremendous interests nowadays due to its renewability, inherent biocompatibility and…”
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A dynamic gain-scheduled ventilation control system for a subway station based on outdoor air quality conditions by Loy-Benitez, Jorge, Li, Qian, Ifaei, Pouya, Nam, Kijeon, Heo, SungKu, Yoo, Changkyoo

“…Within subway stations, the use of a mechanical ventilation system is a common strategy for improving the indoor air quality (IAQ). These ventilation systems…”
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A deep reinforcement learning-based autonomous ventilation control system for smart indoor air quality management in a subway station by Heo, SungKu, Nam, KiJeon, Loy-Benitez, Jorge, Li, Qian, Lee, SeungChul, Yoo, ChangKyoo

“…•DRL was used to design an autonomous ventilation control system for a subway station.•A DQN algorithm was used to train an agent to regulate IAQ in a subway…”
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Towards mega-scale decarbonized industrial park (Mega-DIP): Generative AI-driven techno-economic and environmental assessment of renewable and sustainable energy utilization in petrochemical industry by Heo, SungKu, Byun, Jaewon, Ifaei, Pouya, Ko, Jaerak, Ha, Byeongmin, Hwangbo, Soonho, Yoo, ChangKyoo

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Network modeling of future hydrogen production by combining conventional steam methane reforming and a cascade of waste biogas treatment processes under uncertain demand conditions by Hwangbo, Soonho, Heo, SungKu, Yoo, Changkyoo

“…[Display omitted] •A future hydrogen supply network is developed under uncertain demand conditions.•The costs and risk are optimized using an ɛ-constraint…”
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