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KHOA HOC & CONG NGHE NGHllN CUU VA THIET KE HE THONG TRUYEN DONG DIEN BANG KHi NEN SUT DUNG HO VI DIEU K H I I N RESEARCH AND DESIGN OF ELECTRICAL SYSTEMS WITH PNEUMATIC ACTUATOR USING MICROCONTROLLER FAMILY Dinh Thi Hing Khoa Dien - Dien tir, Trudng Dqi hgc Kinh te - Ky thudt Cong nghiep Oen Toa so?n 21/04/2014, chap nhan dang 29/04/2014 Tom tat: B^i bao trinh bay nghien ciiu va thiit k i he thdng truyin ddng d\en bing nen si> dung ho vi diiu khiin AVR d i dieu khiin cho he thdng day chuyin ddng n i p chai bia da du'oc mmh hpa va mo phdng bang phan mem Proteus, cho t h i y he thdng dap i^ng v i dp chinh xac diiu khiin cao, diiu khiin linh hoat vdi sai sd nhd cho phep ddng thdi md rong kha nang ucng dyng cac day chuyen cdng nghiep TCr khda: He truyin dong dien nen, vi diiu khiin AVR Abstract: This paper presents the research and design of electrical systems with pneumatic actuator using their AVR microcontroller to control the chain's beer bottle caps have been illustrated and Proteus simulation software, for see the system meets the high precision controls, flexible control with small errors while alloiAiing the ability to extend applications in the industrial chain Keywords: Pneumatic electric povuertrain, AVR microcontroller DAT VAN D E He thdng truyin ddng dien bing klii nen dugc sii dung rit rpng rSi tiong cdng nghiep, vi du linh vuc lap rap san phim, phan loai san phim, chi bien, dac bigt d nhiing linh vuc can phai dam bao ve sinh, chdng chay nd hogc d mdi truong dpc hai Mdt he thong huyin dpng dien bing nen cin dap img dugc cac yeu cau sau: dieu khiin link hoat vca chinh xac cao vdi sai sd cho phep, dam bao tinli klia thi, gia thap thi he truyin ddng dien bing nen thuong kit hop vdi bo dieu khien nao dd Noi dung bai bao trinh bay mpt giai phap nang cao chit lugng dieu khien cho he tiuyin dpng dien bing nen sii dung hp vi diiu khiin A\^R Doi tugng bai bao chpn T A P C H I K H O A HOC & CONG NGHE S - 2014 nghien ciiu la "He thong day chuyen dong nap chai bia" nhu hinh Hinh He thong day chuyen dong nap chai bia D O I TU'ONG NGHIEN CLPU He tiidng day chuyen dong nap chai bia la day chuyen ddng nap chai duoc dieu khiin bang he tniyen dpng dien bang nen sii 13 KHOA HOC & CONG NGHE phan tli dau tien ciia mach diiu khiin vi du; van dao chieu, van ap suit dung chip Ataiega 128 ciia hp vi diiu khien AVR duoc thiit k i giao dien h-en phan m i m md phdng Proteus • Phin hi xii ly tin hieu: Xii ly tin hieu nhan vao theo mdt quy tac logic xac dinh, lam thay ddi trang thai cac phan tii diiu khien vi du nhu: van dao chieu, van tiit luu, van logic AND, van OR, , Cac cong nghe ciis he thong day chuyin ddng nip chai bia bao gdm: • Cdng doan ddng nip chai: Bang tai dua cac chai da dung bia tdi vi tri cd the thuc hien dugc qua trinh dap ddng nap chai, cam biin xac dinh duoc vat sau giii tin hieu tdi bd vi xii ly se tac ddng toi xylanh tac dung kep thuc hien qua trinh ddng nap Sau chai da thuc luen xong qua trinh dong nap se hip tuc duoc chuyen tdi cdng doan hep theo, • Phan tli dieu khien: dieu khien ddng nang luong theo yeu cau, thay ddi trang thai ciia CO cau chap haiih, vi du: van dao chieu ; • Co cau chip hanh: thay ddi trang thai cila ddi tugng dieu khiin, la dai lugng cua mach diiu khiin, nhu xylanh, ddng co • Cdng doan phuc hdi xylanh: Khi xylanh tac dung kep thuc hien xong qua trinh dong nap chai, pitong tu dpng hdi ve vi tri ban dau, Tuy nhien, nhugc diem d he thdng di§u khiin nen don gian la cac thiet bi cdng kinh, phiic tap Vi vay se cd nhiiu han chi van de dieu khien he thdng hoat dpng hnh hoat Chinh vi vay cd su ddi cila he thdng dieu khien dien - nen • San pham Chai dung bia dugc van chuyin bang bang tai tdi vi tri cd the ddng nap .se THI^T K^ HE THONG TRUYEN DONG DIEN BANG KHI NEN SCf DUNG HO VI D i i u KHI^N Cic phin Id' «lu l-:-Ki» i ^ T 3.1 He thong truyin dong dien b^ng Cau tnic mach dieu khien nen duoc md ta nhu hinh ^«,^.,.| ns"i \ "£s™ Hinh c l u true ciia mach dilu khien nen >- -e< diiu ntit phuc w Hinh He thdng dISu khien di^n - nen ^•>s.-| |-r»-| t * mij^i fc! Tram ngutn Viec sii dung he thdng dieu khiin dien - nen cd rat nhieu ling dung va cd nhiiu mi diem hon so voi he thdng dieu khiin bang nen don gian Tuy nhien, de tdi uu them he thing ngudi ta da ket hop sii dung vi dieu khien vao he thdng Tin hieu vao bi mit bam, cam bien, cdng tac hanh trinh se duoc dua tdi vi dieu khien Vi dieu khiin se phan tich, xii ly cac tin hieu vao va xuat tin hieu dieu khien cac CO cau chap hanh Vi dieu khien la trung tam cua he thdng, vi vay viec lua chon vi dieu khien la rat quan trpng Trong dd: 3.2 Vi di€u khiln • Phin bi dua tm hieu: nhan nhiing gia tn cua dai luong vat ly nhu dai lugng vao, la 14 Voi ddi tuong nghien cuu la "He thdng day TAP CHl KHOA HOC & CONG NGHE S6 - 2014 K H O A H O C Sl C O N G chuyen ddng nap chai bia", bai bao chpn chip ATMEGA 128 ho vi diiu khien AVR hang Atmel (Hoa K.y) san xuit duoc gdi thieu lan dau nam 1996 nhu hinh • NGHE Phan dieu khien: - Chip ATMEGA 128 ho AVR diiu khiin day chuyen san xuat; - Man hinh LCD hiin thi qua trinh lam viec; - Ddng CO DC sevor keo bang tai, - He thoi^ cam bien kit ndi true hep vdi vi xii ly di nhan tin hieu sau xii ly tin hieu dieu khien cho ddng co chgy he thong bang tai va he thdng dap nap chai Hinh4 ChipAtmega128 3.3.2 Xay dmig giao di$n giao tiip truyin ATmegaI28 v6i bd nhd SRAM Kbytes, EEPROM Kbytes, cdng giao tiip I/O phong phu voi 64 thanli ghi I/O, 160 ghi md rOng va 32 ghi da muc dich dugc tich hgp tren chip, ngoai cung cd tich hgp ca bd LCD tren chip Ciu tnic tap lenh don gian hda RISC (Reduced Instruction Set Computer), tdc dp xii ly cd thi len tdi 16 trieu lenh/giay bd nhd Flash cho phep nap lai chuong trinh nliieu lan, dac biet bp nhd EEPROM cd thi luu lai tiang thai hoat ddng ca he thdng bi mit dien , cac modul chiic nang PWM 8bits, 16 bits cho phep diiu khiin cac thiet bi analog nhu dpng CO, bd chuyen ddi Analog-digital 10 bits cho phep nhan va phan tich tin hieu tuong tu tir cam bi§n, bd truyen thdng ndi tiip USART, I2C, SPI cho phep kit ndi nhiiu he thdng vdi Mdt kiiu ciu tnic dang thi hien uu thi cac bd xii li Dieu khiin he truyen dpng nen sii dung chip Atmega 128 chi la mdt iing dung nhd cua vi dieu khiin A\"R3.3 D'ng dung cho h? truyln dong di?n 3.3.1 ciu dong nen voi vi diiu gid-a he khiin He thdng dieu khien cd nhiem vu nhan va phan tich cac tin hieu tir he thdng cam bien, sai dua tin hieu dieu khien cac van nen cua xy lanh theo chuong trinh da dmh san, hiin thi cac thdng tm ve he thdng len thiit bi hien thi nhu den bao, man hinh LCD Khi kit ndi phan ciing cdng va budc tiip theo la phan xay dung chuong trinh dieu khien cho vi dieu khien sii dung cdng cu don gian tren windows la phan men lap trinh CodeVisionAVR Budc 1: Khdi dpng phan mem codevision AVR Budc 2' Tao mdi mot du an, file > new File Edit Seaich View Project Tools Settings G & O ' H "B- I i d' @ ca 11 ^ |4 44 ^ |4 ^ ^ Hdp I mA °\ ''^ -a o ^ |i B %, '^ 11 if^>ii^rsr^igi^mB!i ^^: Code Navigator V ? gTl^igl [ ^ S B J X CodeVisionAVR NoPioiect true h$ thdng g6m phkn [5 Create New File • Kit ciu CO - He thdng bang tai, - He thdng dap n i p chai sii dung xy lanh > Proiect [ X Ca>cel~] nen, - He thong cam biin TAP CHi KHOA HOC & CONG NGHE SO - 2014 Hinh Khai tao diFan 15 Budc Project > Ok > yes > Attnega > Ok { delay_ms(l), lcd_cleai( ),lcd_gotoxy(0,0);ledjutsf(" DC Chay 75% ");PORTD-0x02, lod_gotoxy(0,l);lcdjutsf(" Xi Lanh Di Vao ");sb=l; g- % % 11 nfeija^iyij^aBi'^jBjp , CodeVmonftVR B - g i OlbBi Files - n unnttcdi } Budc Mo phdng File ^ogram D&HtfiJ®i-^^^B!_:?_ He thong duoc mo phdng tien may tinh bing phin mem proteus Khdi dong phan mim md phdng dien - dien tii Proteus E.«einailRQ I TUP IWiie I TWinaC] I AlphanLmaic L m 1=1 Ciyaai Oicjiator Dryiijei Enabled Hinh Khdi t^o cac phiptmg an cua duan Budc 4: Luu lqi dudn da khdi tqo Hinh Khd>i dong p h i n Program >Generate, save and exit «"-"rfflt! a-i-^soi-io ="- "-ISMS 9t\K 'Ilia5 _ ^fi
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