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Browsing by Kim, Hak-JinAuthor

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SCOPUS
An embedded system for control of hydroponic nutrients

Cho, Woo Jae; Kim, Hak-Jin; Jung, Dae Hyun; Kim, Dong Wook; Kang, Chang Ik; Choi, Gyeong Lee

ArticleIssue Date2015CitationAmerican Society of Agricultural and Biological Engineers Annual International Meeting 2015, v.3, pp 2474 - 2481PublisherAmerican Society of Agricultural and Biological Engineers
SCIESCOPUS
AUTOMATED DRIFT COMPENSATION SYSTEM FOR ELECTRICAL CONDUCTIVITY AND PH PROBES IN HYDROPONIC SYSTEMS

Cho, Woo-Jae; Kim, Dong-Wook; Kim, Hak-Jin; Gang, Minseok; Jung, Daehyun; Yang, Seung Hwan; Park, Soo Hyun

ArticleIssue Date2024CitationJournal of the ASABE, v.67, no.5, pp 1203 - 1215PublisherAmerican Society of Agricultural and Biological Engineers
SCIESCOPUS
Decision-tree-based ion-specific dosing algorithm for enhancing closed hydroponic efficiency and reducing carbon emissionsopen access

Cho, Woo-Jae; Gang, Min-Seok; Kim, Dong-Wook; Kim, JooShin; Jung, Dae-Hyun; Kim, Hak-Jin

ArticleIssue Date2023CitationFrontiers in Plant Science, v.14PublisherFrontiers Media S.A.
SCIESCOPUS
Development of a Circular Nutrient Solution Management System Using a Cost Functionopen access

Shin, Yeong-Hyeon; Kim, Insu; Yang, Myongkyoon; Jang, Young-Kyun; Saludes, Ronaldo B.; Kim, Hak-Jin; Cho, Woo-Jae

ArticleIssue Date2025CitationAgronomy, v.15, no.1PublisherMDPI AG
SCIESCOPUS
Development of nutrient management system based on ion-equivalent concentration ratio and ion monitoring to maintain ionic balance in closed hydroponic solution

Gang, Min-Seok; Kim, Hak-Jin; Ahn, Tae In; Cho, Woo-Jae; Lee, Sang-Hyun; Lee, Ju Young; Hwang, Ji-Eun

ArticleIssue Date2025CitationComputers and Electronics in Agriculture, v.237PublisherElsevier BV
SCIESCOPUS
Hybrid Signal-Processing Method Based on Neural Network for Prediction of NO<sub>3</sub>, K, Ca, and Mg Ions in Hydroponic Solutions Using an Array of Ion-Selective Electrodesopen access

Cho, Woo-Jae; Kim, Hak-Jin; Jung, Dae-Hyun; Han, Hee-Jo; Cho, Young-Yeol

ArticleIssue Date2019CitationSensors, v.19, no.24PublisherMultidisciplinary Digital Publishing Institute (MDPI)
SCIESCOPUS
Machine Learning-Powered Forecasting of Climate Conditions in Smart Greenhouse Containing Netted Melonsopen access

Jeon, Yu-Jin; Kim, Joon Yong; Hwang, Kue-Seung; Cho, Woo-Jae; Kim, Hak-Jin; Jung, Dae-Hyun

ArticleIssue Date2024CitationAgronomy, v.14, no.5PublisherMDPI AG
SCIESCOPUS
On-site ion monitoring system for precision hydroponic nutrient management

Cho, Woo-Jae; Kim, Hak-Jin; Jung, Dae-Hyun; Kim, Dong-Wook; Ahn, Tae In; Son, Jung-Eek

ArticleIssue Date2018CitationComputers and Electronics in Agriculture, v.146, pp 51 - 58PublisherElsevier BV
SCOPUS
On-the-go Image Processing System for Spatial Mapping of Lettuce Fresh Weight in Plant Factory

Jiang, Ji-song; Kim, Hak-Jin; Cho, Woo-Jae

ArticleIssue Date2018CitationIFAC-PapersOnLine, v.51, no.17, pp 130 - 134PublisherIFAC Secretariat
SCIESCOPUS
Plant-specific crop evapotranspiration estimation system for greenhouse tomatoes using convolutional neural network and rail-based monitoring device

Gang, Min-Seok; Kim, Hak-Jin; Park, Sung Kwon; Cho, Woo-Jae; Kim, Taehyeong; Ahn, Tae In; Kim, Joon Yong; Hwang, Kue-Seung

ArticleIssue Date2025CitationComputers and Electronics in Agriculture, v.239PublisherElsevier BV
SCOPUS
Prediction of NO3, K, Ca, and mg ions in hydroponic solutions using neural network model with an array of ion-selective electrodes

Cho, Woo-Jae; Kim, Hak-Jin; Jung, Dae Hyun; Han, Hee-Jo; Cho, Young-Yeol

ArticleIssue Date2019Citation2019 ASABE Annual International MeetingPublisherAmerican Society of Agricultural and Biological Engineers
SCIESCOPUS
PVC membrane-based portable ion analyzer for hydroponic and water monitoring

Kim, Hak-Jin; Kim, Dong-Wook; Kim, Won Kyung; Cho, Woo-Jae; Kang, Chang Ik

ArticleIssue Date2017CitationComputers and Electronics in Agriculture, v.140, pp 374 - 385PublisherElsevier BV
SCIESCOPUS
Validation testing of an ion-specific sensing and control system for precision hydroponic macronutrient management

Jung, Dae-Hyun; Kim, Hak-Jin; Cho, Woo-Jae; Park, Soo Hyun; Yang, Seung-Hwan

ArticleIssue Date2019CitationComputers and Electronics in Agriculture, v.156, pp 660 - 668PublisherElsevier BV
SCIESCOPUS
VARIABLE-RATE FERTIGATION CONTROL for HYDROPONICS USING AN ON-THE-GO TRANSPIRATION MONITORING SYSTEM

Cho, Woo-Jae; Kim, Hak-Jin; Jung, Dae Hyun; Kim, Dong-Wook; Yi, Yoon-Hong; Jang, Gyu-Jin

ArticleIssue Date2022CitationJournal of the ASABE, v.65, no.3, pp 515 - 530PublisherAmerican Society of Agricultural and Biological Engineers
SCIESCOPUS
Water Nitrate Remote Monitoring System with Self-Diagnostic Function for Ion-Selective Electrodesopen access

Jung, Dae-Hyun; Kim, Hak-Jin; Kim, Joon Yong; Park, Soo Hyun; Cho, Woo Jae

ArticleIssue Date2021CitationSensors, v.21, no.8PublisherMultidisciplinary Digital Publishing Institute (MDPI)
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