1 0 8 j V ol 1 0 N o 8 2 0 2 0 M8 A gricultural Engineering A ug 2 0 2 0 l 2 0 2 0 0 6 1 1 2 0 2 0 0 7 1 3 S j S j n r p z i e d 7 D k S j E P u v n N o n p A continuous control system for greenhouse environment was developed which was mainly composed of three parts a greenhouse environment on site measurement and control system an embedded server and a remote monitoring computer Test results showed that the system could provide economical and suitable growth conditions for growth of crops in greenhouse and meet requirements of real time and reliability of system in greenhouse production X r q greenhouse environment remote measurement and control continuous S B j v S S Z T i 3 1 o B i S e 9 M Z Z 1 4 S L j 9 Z d i C e 3 T 9 S e3 s d m1 U m d Fig 1 System structure T 9 Y V i uWi data txt q i V 9 F Y Y V 1 e uEi data txt q F Y CO 2 i i C e s e e i i C e s i A v i i O 9 i u Sensor data txt q c Wi data txt q N 9 D k i e d 7 Y V i C e s i e F s i C e s d 1 i v i e v 3 T d 1 F s 9 i C B 4 A R M Linux 3 T T d 9 1 2 9 e E 9 s i i T S M 9 S Y K v 6 r m e q 9 d N anoPC T3 3 TA R M 7 F i e d q m2 U m q Fig 2 Hardware structure 9 i C e 1 F s 1 m3 U e V e 7 e i F V LED 3 m Fig 3 Electrical circuit i V L C i M A v i 1 i l 7 1 g Z T i R d q 9 m6 U 1 B t S T H L C A 1 g l 0 L C Y F j k k d r V L d S j i A M Fig 1 0 Humidity changes inside and outside greenhouse A D k i e d 7 m i i M Fig 1 1 Carbon dioxide concentration inside and outside greenhouse m i v M Fig 1 2 Illumination change inside and outside greenhouse m 3 3 Fig 1 3 G rowth status of lettuce in early stage B 1 S e d V i L f 4 a e Z E i O i y 0 m A 3 3 Fig 1 4 Late lettuce growth status 2 d L C i y 0 V Y V h L H 4 3 i T 3 d 3 TWeb y 7 1 Y VPC m V V N L C i S e I D 1 I V i v e d 9 8 Z 9 J C j 2 0 1 7 5 5 1 5 2 2 c i 5 Z J j 2 0 1 4 4 5 4 2 3 6 2 4 3 LI Pingping WA N G Jizhang R esearch progress of intelligent man agement for greenhouse environment information J Transactions of the Chinese Society for A gricultural Machinery 2 0 1 4 4 5 4 2 3 6 2 4 3 3 l a a H A rduino F i v S e d 9 J 2 0 2 0 1 0 7 2 1 2 3 4 i v ZigBee L J j 7 2 0 2 0 7 1 3 8 1 3 9 5 h i e Z E Z s Z J j 2 0 1 8 4 9 2 1 1 3 MA O Hanping JIN Chun CHEN Y ong R esearch progress and prospect on control methods of greenhouse environment J Trans actions of the Chinese Society for A gricultural Machinery 2 0 1 8 4 9 2 1 1 3 6 SHI Y B SHI Y P X IU D B et al D esign of wireless sensor system for agricultural micro environment based on WiFi J A p plied Mechanics and Materials 2 0 1 3 3 0 3 3 0 4 3 0 5 3 0 6 2 1 5 2 2 2 7 2 i e d J j A j Society for A gricultural Machinery 2 0 1 7 4 8 S1 2 9 6 3 0 1 8 r I i S d J j 2 0 1 7 4 8 S1 3 0 2 3 0 7 R EN Y anzhao CHEN X uerui JIA Jingdun et al Environment monitoring and temperature prediction in greenhouse based on We chat platform J Transactions of the Chinese Society for A gricul tural Machinery 2 0 1 7 4 8 S1 3 0 2 3 0 7 9 A a d 0 L i CO 2 i S e d J j 2 0 1 7 4 8 7 2 8 0 2 8 5 3 6 7 WA N G Jianing N IU X intao X U Ziming et al Monitoring sys tem for CO 2 concentration in greenhouse based on wireless sensor network J Transactions of the Chinese Society for A gricultural Machinery 2 0 1 7 4 8 7 2 8 0 2 8 5 3 6 7 1 0 c i e 5 d 7 J j 2 0 1 5 4 6 8 2 2 4 2 3 1 LI Pingping CHEN Meizhen WA N G Jizhang et al D evelop ment of monitoring management system and data synchronization for greenhouse IO T J Transactions of the Chinese Society for A gri cultural Machinery 2 0 1 5 4 6 8 2 2 4 2 3 1 1 1 HU A N G Y uze HU A N G Jiwei CHEN G Bo et al Time aware service ranking prediction in the internet of things environment J Sensors 2 0 1 7 1 7 5 9 7 4 1 2 D k 3 TU SB g i S e J j 2 0 0 5 2 1 7 1 0 3 1 0 6 WA N G Cheng Q IA O X iaojun WA N G Jihua et al Embedded U SB host computer interface applied in the greenhouse environment monitoring and controlling system J Transactions of the Chinese Society of A gricultural Engineering 2 0 0 5 2 1 7 1 0 3 1 0 6 1 3 G U BBI J BU Y Y A R MA R U SIC S et al Internet of things IoT a vision architectural elements and future directions J Future G eneration Computer Systems 2 0 1 3 2 9 7 1 6 4 5 1 6 6 0 1 4 f f j i e Z E 8 J e 2 0 1 7 2 4 1 8 1 5 ZHA N G X uehua ZHA N G Wu Y A N G X u et al Survey of re search methods on agricultural greenhouse environment control J Control Engineering of China 2 0 1 7 2 4 1 8 1 5 1 5 A R M 3 T 9 D W W v 2 0 1 4 ZHU O Y uliang The design of embedded server based on A R M D Harbin Harbin U niversity of Science and Technology 2 0 1 4 1 6 WA N G Zhisong LI Shihua HA O Q i et al R esearch of intelli gent greenhouse remote monitor system based on embedded network and wireless transmission technology C Electrical and Control En gineering ICECE 2 0 1 1 International Conference 1 7 X A R M A ndroid Y j B J j 2 0 1 6 4 7 1 1 2 9 4 3 0 0 JIA N G Zhaohui LI X iang MA Y ouhua et al U niversal detec ting terminal for farmland information based on A R M and A ndroid J Transactions of the Chinese Society for A gricultural Machiner y 2 0 1 6 4 7 1 1 2 9 4 3 0 0 1 8 1 e f WSN iCO 2 g e d J j 2 0 1 5 4 6 S1 2 0 1 2 0 7 JI Y uhan LI Ting ZHA N G Man et al D esign of CO 2 fertilizer optimizing control system on WSN J Transactions of the Chinese Society for A gricultural Machinery 2 0 1 5 4 6 S1 2 0 1 2 0 7 1 9 o s E i e Z E J j L j T i 1 S e d 9 J j 2 0 1 5 2 8 1 3 9 4 3 WA N G X iaozhi WA N G Linsheng LIU Zhigang et al D esign of agricultural greenhouse automatic monitor and control system based on wireless sensor network coverage technology J Journal of ZhongK ai U niversity of A griculture and Technology 2 0 1 5 2 8 1 3 9 4 3 2 1 u B f k s e i e d 9 J j L i S d J j 2 0 0 9 4 0 S1 2 2 8 2 3 1 LI Li LI Haixia LIU Hui G reenhouse environment monitoring system based on wireless sensor network J Transactions of the Chinese Society for A gricultural Machinery 2 0 0 9 4 0 S1 2 2 8 2 3 1 A