m B NGHISN CLTU - TRAO eOi THier Ke HE TH6NG DlSu KHlfiN TRONG MAY TACH MAU GAO NANG S U A T SOOKG/Gia DESIGNING CONTROL SYSTEM IN RICE SORTING MACHINE 800KG/H NguySn Tnmg Hieu Nguyin Thanh Nam Tl Thanh Son, Pham Van Duy, Le Minh Kim, Hoang Biic Lim Phdng Thi nghiim Trpng dilm Dilu khita sdvaKy thuit He thdng, Trudng Dalhoc Bich khoa B?i hoc Qudc gia TP Hd Chi Minh TOMTAT ndi dia f " ' ' " ' i l ' ' T ^"^ """^ "^ ^"""'^ "^'^P ^ ^ ' ^ ' " " " ^ ^ " ''X^l 'Oin ciu hda viec " M a hoa cac thiet b, may mdc trln tU trudngia md, nhu cdu dp thilt Miy tich mdu gao id mdt v !^0lith,ab,khdng,hS,hiludUdctrangddychuylnsdn.uitMbilnldagaohlinia^gdpp27ng cao cha lUdngggo^uit khiu Da dd viic chitgo miy tdch mdu gao Id cin thilt vd deZhm Z T t t " f f."^ " ' % ' ^ ' ™ « " - ^ " cho tain mdyldniLngritauan d l trtn.m^d^mn ^^">"'>',^"^''!.kethdpvdithil,klhlthd„gcdkhlse,uyltdinhkhdningldmvi^cuamaytich """'Ifo-Kupchov^crutngankhodncichvecdngnghisovdithegidi c u m i ^ l T l ' ^ ' 'f' t " ^ T T '^*'''*" " " * "*"' "^-i'^i'fo cum cameraphdn loai, em iln chieu sang cum daupkunphdn logi gao, cum thUngchUa lieu, cum khungmdy hi tholgcSp kU ABSTRACT In the stage ofthe globalization, the need of equipment Igcalizatign fgr the domesHc market is Ctrl r^TT"^""'""^'"""*^^'"*^'"*"-''-^ hne ta improve he quality of export nee, it is needed to da research for fully design and Lelapment hecauseofthe demands of the iomesHc and the Southeast Asia arJmaZt Thefesig^of7Z„Z system for sorting machme in this paper basing on the automation technique, rice refognigatiZa^ '-'chanicalsystemwiiidefinecapaUlityofthesornngmachinetoimproveLqualityof^^Xon^^e camera^Tptoa^ ""°"'T""' ™ * " ^ ' " * ™ « " ^ / - ' i - P - , ncc direction guideline part ^'-'^-l«-^'-^BDpar,,airngz.lespar,materialcantainerpart.machinefiamepart,airsupplysyL,!;.^ ISSN 0866-7056 TAP CHl CO KHI VitT NAM, Sd nam 2016 www.cokhivietnam.vn NGHIEN CLfU - TRAO DOI l.GIOITHitU Hien, gii gao xuat khau ciia Viet Nam ludn thap hon gii gao xuit khau cua cic nUdc khic trln the gidi chit lildng gao chifa cao [1]; vi viy, may tich man g^o li thiet hi rit cin thiet qua trinh che biln gao chat lUdng cao phuc vu nhu cau xuat khau va cin duoc nghiin Ci3u npi dia hda cac khiu thilt kl, chl t^o Hmh l.Md hinh mdy tdch mdu gag cda nhdm thu hiln vdi n D l thuc hien duoc nhiem vu niy, vile thilt kl he thdng dilu khiln cho miy tach mau gao trln co sd nghiin ciJu cic ky thuit dilu 2.1 Tinh toan thdi gian thuc cua miy tidi khiln, cung nhU nghien ciJu lap trinh nhin dgng m i u gao kit hpp vdi thilt kl he thdng co li ndi dung rat quan trpng, quylt dinh nang lam viec cia miy tich miu gao vi ciing la van dl mdi can nghiin ciiu N O I D U N G NGHIEN CtJU Dl xiy dving mpt he thdng dilu khiln tot, trudc hit cin phii hilu toin bd qui trinh Hinh Quy dgo trUdt vdi gdc jS van hinh miy, tii dd thUc hien cac tmh toan thdi gian dip iSng phin cilng cda he thong co va Trln hinh 2, li md hinh gii lip quy dao thdi gian dip ling phan dilu khiln thi mdi dam trUflt cia hat gao vdi gdc p Hat gao tai diy dupc bao toan bp hi thdng hojt dOng nhU muc tilu xem nhu li m^t vit tnidt tU trln mpt mjt dilu khiln dira [2] phang cd mdt gdc nghiing cd dinh Cac l((c tic dung trln hgt gao dUdc thl hiln nhU hinh ve Hinh 1, cho thiy tdng thl hoat dpng ciia Sau tinh toan van tdc gao khdi ming, ta miy tich miu gao Sau roi til ming rung xac dinh quy dgo va diem roi cia ggo qud qua ming trupt, hat gao se dupc nhin d?uig trinh phan loai, giup xac dinh van tdc cia hgt bdi camera Nlu gao Ii xiu, he thdng se kilm gao thoat khdi mang trUpt, t i dd xac djnh soit Sling phun de logi bd nd khdi ddng thdi gian cho toan bd bii toin [3] gao Trln co sd tmh toin tdc dp cia hat gao di quacamera cd thl bilt dupc thdi gian gap di tdi vi tri cia sung phun Viec kit hpp cic thdng sd thdi gian li cfl sd d l tinh toan dilu khien cho toan h | thdng tich man gao mnh Quf ISSN 0866-7056 TAP CHf CO KHl VIST NAM, Sd nam 2016 www.cokhivietnam.vn sau thodt khdi ming trugt » NGHIEN CCfU - TRAO eOi Vijc tmh toin thdi gian gao lOi t i mang den vi tri phun cia sung phun ciing giup xac dinh loai van can thilt de cd thl s i dung may tich mau gao Hmh 4, thl hiln mdi Mflng quan gifla thdi^ so thcfi gian dap i n g cia thiet hi vdi ap suit yen ciu cia van nen = _ = =S mnh Cdch thdc dilu khiln van Cic khoingthdi giantinh toin cd thl tong hpp dudi dgng bilu thdi gian dap ing cia he thdng nhu sau: mnh Trgng thii lim vile cua van dim khiln Van dl nBa dgt li vin tdc cua gao qua Sling phun li rit cao ninsing phun cin thda hai dilu kiln, li: Khi nang dap ling nhanh d tin sd cao vi luu luong thai gian ngin phai d i d l cd the thdi hat gao khdi qui dgo bay thdng thudng tfl mang trai Ueu dl xudng D l xac dinh cac thdng s« cho thilt b|,ta thiic hiln ddng thdido dgc cic thdng sd theo ting phin roi tong hop 1,1 va tinh chmh cic yeu to thdi gian vdi vilcthilc hanh khio nghiim Dua trln kit qui thu duoc qua tnrii nghiin ciu va khio nghiim hi thdng dilu khiln va cfl kit hpp vdi cic tmh toin hieu chinh thdng sd, ta chpn thift bi vdi van cd tdc dp lOOOHz vi luu lupng 160 lit/phut li thift ta phu hpp, dim bao dupc hai Uln chi dilu khiln nhu trln d l phvc vu cho qui trinh thift kl h | thong dilu khiln cum phin logi md hinh may tich miu gao H n h cho thiy, each thic dilu khiln van D l kich hogt van cin c ^ cho van ngudn nang lupng dien 24V khoine thdi gian 1ms [4] * ES S{^E Hinh Bitudd tinh todn thdi gian Bing 1, cho thiy thdi gian x i 1^ hbih inh tiong duong 2n!s Thdi gian dap ing (T ) rta he thdng kiem soit phii nhd hon u S thoi gian hat ggo roi khdi ming din vi tri sung bin phin loai ( T ^ ) [5J Do thdi gian dip ling phan cing cia qui trmh gao roi li khdng the thay ddtain viec ting hoac giim T duoc thvfc hien bing cich thay ddithdng sd Sift bj dl chinh thd vi chinh tinh,cu thl: - Vile chmh thd dupc thic hiln bing each giam toe dp cip heu va khoing cich t i vi tri camera nhin dgng din vi tri sung phun [6]! >» ISSN 0866-7056 TAP CHI CO KHJ V1$T NAM, Sd nam 2016 www.coUiivietnani.vn NGHliN CU'U - TRAO D6\ l.GldlTHlfiU Hi^n, gia gao xuat khau cua Viet Nam luon thap hon gia gao xuat khau ciia cac nticic khac tren the gidi chat liloi^ g^o chiia cao [1]; vi vay, may tach mau gao la thiet hi rat can thiet qua trinh che bien gao chat Iiidng cao phuc vu nhu cau xuat khau va can diicfc nghien Cliu noi dia hoa cac khau thiet ke, che tao Hinh Md hinh mdy tdch mdu gao ciia nhom th hiin vdi ndng sudt 800kg/gid De thifc hien dtiac nhiem vu nay, viec thiet ke he thong dieu khien cho miy tach mau gao tren co s6 nghien ciiu cac ky thuat dieu 2.1 Tinh toan thdi gian thtfc cua may tdch khien, ding nhii nghien ciiu lap trinh nhkn dang mau gao k^t hop vdi thiet ke h | thong cd la noi dung rat quan trong, quy^t dinh kha nang lam viec cua mdy tach mau g^o va cung la vkn di m6i can nghien ciiu N O I DUNG N G H I £ N C0U D^ xay dyiig mgt he thong dieu khien t6t, tnidc het cin phai hieu toan bo qua trinh Hinh Quy dao trUdt vdi gdc ^ v^n hinh may, tii thiic lain cac tinh toan thdi gian dap iing phSn ciing cua he thong ca va Tren hinh 2, Id mo Unh gid lap quy dao thcJi gian dap iing phsin dieu khien thi mdi dam tnidt cia h^t gao vdi gdc p Hat g^o tai ddy dii(?c bao to^n bO he thong hoat dong nhu muc tieu xem nhli Id mot vat triiot tU tren mgt m^t di^u khien de [2] phang cd m^t gdc nghieng cd djnh Cac liic tac dvmg tren hat gao diigfc the hidn nhii hhih ve Hinh 1, cho thay tdng the hoat dgng cua Sau tinh todn v|n tdc gao khdi mdng, ta mdy tdch man ggio Sau rdi tii mang rung xde dinh quy d^o vd di^m rdi ciia gao qud qua mdng tnK^ h^t g^o se dii^c nhan dang trmh phan lo^, giup xde dinh v^n tdc cua h?t bdi camera Neu gao la xau, he thong se kiem gao thoat khdi mang tnidt, tif dd xde dinh sodt Sling phun de loai bo no khoi dong thdi gian cho toan bo bai toan [3] g?o Tren co sd tmh toan toe cua hat gao di quacamera cd the biet diioc thdi gian g^o di tdi vj, tri cua siing phun Viec ket hdp cdc thong so thdi gian ndy la cd sd de tmh todn dieu khiln cho todn he thong tach mau gao Hinh Quy dao gao sau thodt khdi mdng tni^ ISSN 6 - TAP CHf CO KHf VlfiT NAJM, S6 ndm 2016 www.cokhivietnani.vn NGHIEN CLCU - TRAO OOl ^;* Ngay nhan bii: 22/6/2016 Ngiy phin biln: 14/7/2016 Tii li^u tham khao: [1] Nitat Tangpinijkul, Rice MiUing System, Rice Post Harvest Technology; IDRC, 2008 [2) Var Sazandegi, Some engineering properties of paddy, InL J Agri Biol., VoL9, No 2007 [3] Toshihiko Satake, US 4316799 - Automatic Control Apparatus For An OsclUating Grain Separator, Japan [41 BUHLER, Destoner MTSC for an Efficient Cleanmg: 2010 [51 Weifeng Zhong, Yaji Xie and Xiaoxi He, "Research ofthe Rice Image Segmentation Based on Color Linea Array CCir,totemationalJournal of Control and Automation Vol 7, No 11(2014) pp 211-218 [61 Patent nmnber: US4441412 Driving device of sorting cylinder for use in a rot»y type rice hulling and sorting device ° ISSN 0866-7056 TAP CHl CO KHl VI$T NAM, Sd7nam2016 www.cokhivietnam.vn ... dia hoa cac khau thiet ke, che tao Hinh Md hinh mdy tdch mdu gao ciia nhom th hiin vdi ndng sudt 800kg/ gid De thifc hien dtiac nhiem vu nay, viec thiet ke he thong dieu khien cho miy tach mau gao... nghien ciiu lap trinh nhkn dang mau gao k^t hop vdi thiet ke h | thong cd la noi dung rat quan trong, quy^t dinh kha nang lam viec cua mdy tach mau g^o va cung la vkn di m6i can nghien ciiu N... gao xiu) sau qui trinh phin tach tren mo hinh may tach miu ggo cia nhdm thic luen VOl nang suit 800kg/ gid (Hinh 1) ta cd gao Hmh 11 Ggo bgc bung Cic htab inh cia 64" gao duoe nha Qupc xXii lv