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다원적 회귀 인공 신경망기반 스마트 그린하우스 내부 온·습도 예측에 관한 연구

Prediction of Smart Greenhouse Temperature-Humidity Based on Multi-Dimensional LSTMs

Journal of the Korean Society for Precision Engineering 2019;36(3):239-246.
Published online: March 1, 2019

1 호서대학교 전기공학과

2 한국전자통신연구원 대경권연구센터

3 건국대학교 기계공학부

1 Department of Electrical Engineering, Hoseo University

2 Electronics and Telecommunications Research Institute Daegu-Gyeongbuk Research Center

3 Department of Mechanical Engineering, Konkuk University

#E-mail: junghl80@konkuk.ac.kr, TEL: +82-2-450-3903
• Received: July 9, 2018   • Revised: October 1, 2018   • Accepted: November 1, 2018

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • Development and Verification of Smart Greenhouse Internal Temperature Prediction Model Using Machine Learning Algorithm
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  • Deep-Learning Temporal Predictor via Bidirectional Self-Attentive Encoder–Decoder Framework for IOT-Based Environmental Sensing in Intelligent Greenhouse
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    Agriculture.2021; 11(8): 802.     CrossRef

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Prediction of Smart Greenhouse Temperature-Humidity Based on Multi-Dimensional LSTMs
J. Korean Soc. Precis. Eng.. 2019;36(3):239-246.   Published online March 1, 2019
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J. Korean Soc. Precis. Eng.. 2019;36(3):239-246.   Published online March 1, 2019
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Prediction of Smart Greenhouse Temperature-Humidity Based on Multi-Dimensional LSTMs
Image Image Image Image Image Image Image Image Image Image
Fig. 1 The inside of the smart green house
Fig. 2 The smart greenhouse system for tomato cultivation
Fig. 3 Input/output diagram of the greenhouse
Fig. 4 The LSTMs structure for the smart greenhouse system.
Fig. 5 The temperature prediction model loss graph
Fig. 6 The temperature prediction results: (a) short term (5min.) prediction result, (b) mid term (30min.) prediction result and long term, (c) long term (60min.) prediction result
Fig. 7 The temperature prediction error results (absolute value)
Fig. 8 The humidity prediction model loss graph
Fig. 9 The humidity prediction results: (a) short term (5 min.) prediction result, (b) mid term (30 min.) prediction result and long term, (c) long term (60 min.) prediction result
Fig. 10 The humidity prediction error results (absolute value)
Prediction of Smart Greenhouse Temperature-Humidity Based on Multi-Dimensional LSTMs

Training weather data set with controlled input variables

RMSE comparison of the smart greenhouse temperature prediction system

Month term (min.) RNNs LSTMs
January 5 0.02141 0.01884
30 0.05138 0.05465
60 0.08562 0.08684
February 5 0.02211 0.01912
30 0.05029 0.04114
60 0.08732 0.08631
March 5 0.02032 0.01771
30 0.05054 0.04845
60 0.08912 0.08684

RMSE comparison of the smart greenhouse humidity prediction system

Month term (min.) RNNs LSTMs
January 5 0.06635 0.06557
30 0.09743 0.08755
60 0.08851 0.08172
February 5 0.06598 0.05356
30 0.07812 0.07073
60 0.08943 0.08163
March 5 0.05998 0.05324
30 0.07198 0.06954
60 0.08461 0.08196
Table 1 Training weather data set with controlled input variables
Table 2 RMSE comparison of the smart greenhouse temperature prediction system
Table 3 RMSE comparison of the smart greenhouse humidity prediction system