Đang tải... (xem toàn văn)
Hl/ONG DAN QUAN LI sir DUNG II 1 Gidi thifu Nghien cim ddi mdi phuang phip giing day bing sii dung (^NTT vio giang dgy VOT sy hd trp cua cic phin mdm md phdng trdn may tinh dang dupe nhieu giio vidn q[.]
Hl/ONG DAN QUAN LI sir DUNG II PHUdNG PHAP M O PHONG TRONG GIANG DAY CHUYEN NGANH KY THUAT TO ONG D U N G ThS.Nguyen Van Hanh Tru&ng Dgi hge Suphgm Ky thudt Hung Yen Gidi thifu ciru khoa hgc, Ii md phdng thd Nghien cim ddi mdi gidi nhan thirc, cho phep tidn phuang phip giing day bing hinh giing day theo che sii dung (^NTT v i o giang dgy tuang tic, phit tridn nang VOT sy hd trp cua cic phin hgc tren cic tri thiic d i ITnh hdi mdm md phdng trdn may tinh dugc Nhu viy cau tnic PPMP dang dupe nhieu giio vidn day hpc se bao gdm c i quan tim v i i p dyng Vdi su "xir ly su pham" va "td chiic ho trg ciia CNTT, cd the hidu boat ddng day hgc" (hinh 2) bdn chdt eua phucmg phdp mo phong (PPMP) la xdy dung mpt mo hinh the hiin bdng chucmg trinh mdy tinh, sau tien hdnh cdc thuc nghifm tren mo hinh Kdt q u i nit dupe phii cd kidm chiing vdi Hinh Cdu tnic phucmg phdp n phong Irong dgy hoc kdt qua dac thuc td v i cd the sii dyng cho nghidn ciiu v i PPMP day hgc Id san xuit vd sau Nhu viy, mo phuang phdp tiep cap nhdn phdng Id thuc nghiem quan thuc the gi&i hien thuc thong sdt vd dieu khien trin mo hinh qua mo hinh tinh hogc dgng cua ddi tugng quan sdt Trong Bing PPMP, sinh vien khdng bai bao tic gii xin dd cip chi tiep thu kien thiic mpt each den vifc sir dyng md phdng siu sic ma trpng qua trinh hoc, nhim ddi mdi phuang phip hp cdn cd the tim cich tiep day hpc hifn d cic trudng can van dd, dudng cich dgi hgc ky thuat thiic dd dat dugc muc tieu bii Cau triic md phdng hoc U'n diim cua PPMP day hpc chuyen nganh day hoc ky thuat Md phdng cung cip cho Ciu tnic ciia PPMP nghidn ciru khoa hgc gdm: sinh yien nhung kinh nghifm cy thd vd doi tupng hpc tip ddi tugng can nghidn ciiu, md hmh va kdt qua nghidn ciiu mo tlieo kidu trai nghidm giin tiep hinh (hinh 1) Md phdng dupe su dung dd cung cap nhiing kinh nghiem giin tidp trudc sinh vidn di thyc hinh thyc td ^ , Giio vidn cd thd kdt hop Hinh I Cdu true qud Irinh mo md phdng vdi cic phuang phong nghien cuu Ichoa hpc phip giing day giup cho vide M6 phdng dgy hgc td chirc giing day, l i m cho boat ^ n g hpc trd nentichcyc boa la mpt dang md phdng nghidn Ngay nUn bdi 30/3/2013; Ngdy duy4l ^ang 25/4/2013 Md phdng giiip giio vidn tidt kifm thdi gian, tang cudng thdi gian giao tiep, thao luin vdi sinh vidn C o sir ap dung P P M P giang day chuyen nganh ky thuat to 4.1 Ca s& dp dung Ddc diem cua cdc mon hgc chuyen ngdnh ky thudt to: Chil yeu tap trung tim hieu ket cau, dpng luc hgc ciia cac ca cau v i he thdng, tinh toan thidt ke d td ciing vdi cic phan thi nghifm, thuc hanh trg giiip nen cic bai giing tren ldp ciia cic mon hpc thudng long ghep rat nhieu hinh ve minh hpa Khi giing day, giio vien thudng dinh nhieu thdi gian de gidi thieu v i giii thich hinh ve d trang thii "tinh", sinh vien khd hieu dugc ban chit sau sac ciia van de Do dd, sii dung PPMP day hpc cd nang mo phdng hogt dgng "nhu that" cua cac co ciu, he thong, die tinh cua cic tham sd dpng luc hpc, 4.2 Sogn bdi gidng theo PPMP Sau xiy dung xong cic phin mem md phdng, tidp theo l i sogn giio an theo PPMP Khi xiy dyng bii giing phii bio dim su ddng bp giiia thiet bi, ndi dung v i phuang phip, tgo dupe mau thuan, kich thich himg thu ciia hpc sinh, thoa man cic ydu ciu tich cue, sing tao, phit tridn tu ciia PPMP Phdi hgp chit che giiia cac budc chuyen ddng ciia hinh ve phii hgp vdi phuang TAP CHI THIET BI GIAO DUC-SO 93-05/2013 • 31 H U O N G DAN QUAN LI SU DUNG phip angorit v i c i c tinh huong ndu vin dd Sir dyng PPMP day hpc bang phan mem Malab Simulink Matlab li phin mem ciia hang Math Work Inc dupe viet bang ngdn ngir lip trinh C dupe irng dung rpng rai dd tinh toin cic bii toan ky thuat bing phuang phap ma trin _ Simulink la mpt phin chuang trinh md rpng ciia phin mdm Matlab L i mpt cdng cy manh me vd hpa, md phdng v i phin tich dpng luc hpc cic he thdng tuyen tinh v i phi tuydn Trinh tu thuc hifn q u i trinh md phdng bang Simulink the hien trdn hinh B^faS^R^iwi iti^ Hinh I^o hinh dao dgng to hai cdu irong khong gian hf dao dpng tuang duang d td tren, cin phii thidt lip hf phuang trinh vi phin (md hinh toan hpc) md t i dao ddng ciia nd Cd hai phuang phip thidt lip cic phuang trinh niy gdm phuang phip sir dyng nguydn ly D'Alamber hoic sir dyng phuang trinh Lagranger logi II Q md hinh niy, ta chpn phuong phip lip he phuang trinh vi phin bing nguydn ly D'Alamber He phuang trinli vi phan toin hgc md t i dao dong khdng gian ciia d td hai cau gdm phuang trinh sau: w,i, *j/,*-[ft^+f„|-[f„.r„| 0) •.•!,=-['=^-U-l^^*''m,)*lF»*^„j.li'=,»'™] tl) Hinh Sa thia hien qud trinh mo phung hdng Simulink Vi du: Khdo sdt dao dpng to hai edu khong gian Khi khio sit dao ddng d td khong gian thudng sir dung cic md hinh dao dgng tuang duang ciia d td thay cho md hinh vat ly thuc, sau dd xay dyng md hinh toin v i giii chiing dd tim cic thdng sd die trung cho dao ddng cua hf ca Md hinh dao ddng tuang duang khao sat dao dgng d td hai ciu khdng gian (hinh 4.) Dd khio sit dao ddng ciia 32 ^HB^pli Md hinh thyc bidn md phdng dao ddng d td bai ciu khdng gian thdng qua phuang trinh vi phin trdn dugc xiy dung bang phin mem Matlab Simulink Ket q u i ciia q u i trinh thuc nghifm dupe bidu didn dudi dang dd thi dac tinh (hinh 5) Khdi md phdng ham kich ddng mat dudng theo thdi • TAP CHI THIET BI GIAO DUC-SO 93-05/2013 Hinh Sa long the mo hinh dao dong khong gian cua lo hai cdu gian dang hinh sin hai ben binh xe khic Khdi niy md phdng c i c phuang trinh sau: q(l),ir,,Pi=q«,i.,sJT.(|^j(M (10) q(l),irjPi =qoaj'>-sin(|^.(r-^)) {m] (I I) Hinh Khoi mo phong hdm kich dong lir mat duang Kdt q u i md phdng dao ddng d td hai ciu khong gian dugc trinh biy trdn cac_^ binh ddn hinh Kdt q u i thu dugc gua thir nghifm dupe bidu didn dudi dang dd thi hi hinh ddn hinh Qua kdt q u i thir nghifm cho thay, chuang trinh md phdng: - Dua dugc cie dang die Hinh Dich chuyen tinh liin vd v^n toe dich chuyen tfnh lien cOa phdn Ireo ( Xem nip trang 40) HU'aNG DAN QUAN L i s a DUNG difn nhi" Di cho thay hifu ^ui thidt thyc, ci mpt he thdng mach difn ty dpng cip cho cic miy bam nude, nhiing cin nhi bifn dgi, nhimg khu chung cu cao tang dd sp tudng chimg rit phirc tgp, gid di dugc thu nhd dang boat dpng tim quan sit eiia cac em That "dan giin, de hieu, de nhd" Ii nhin xet ciia biu hdt hpc sinh, sau dupe tan mat chirng kien boat dpng tu dpng ciia hf thdng bcrm nude Khdng chd thay QNG D U N G a set of self-education: "automatic pumping system model" of teacher Nguyen Van Son, teachers of technical education centers aggregating This is a homemade model has been applied to teachers lecture and students to apply and design a system of automatic circuit for the water pump to put to use in the house modern, high-rise Summary This article introduces condominiums cd nhac, mpt sd em lgng le ve mgch difn, ghi chii can than nhung dieu quan sit, dien giii ctia thiy cd Trong long chiing tdi, nhtmg thiy cd dang lim cdng tic hudng nghifp, dgy nghe thdng thay thgt de chju vi vui mimg Chiing tdi thim nghT, biet dau diy, cd em lai di Idn, lap nghifp, tao dyng tucmg lai tii nhirng vifc tiidng chimg nhu dan giin the niy PHUdNG PHAP Cho cic kdt qui nhu mong mudn, giiip sinh vien phit trien tu ky thugt, tinh sing tgo vi kha nang nghien ciru khoa hpc #* ket luan Sir dung phin mdm Matlab Simulink tiong dgy hpc cd Hinh Dich chuyen, van tdc dich ning md phong chuih xic cie chuyen vd gta tdc dwh chuyen cua tham sd ddng lye hpc ciia cic gdc dge phdn treo CO ciu, he thdng tidn o td vdi kdt qui diurali cic dd thj cic dudng die tinh phin inh bin chit ciia ddi tugng that Do do, PPMPti-ongday hpc tren may tinh Ii mpt phuang phip tidp can thyc tidn mpt cich hifu qui Phuang phip niy giiip smh Hinh Dich chuyin goc^ lac, vien ting tinh chii dpng sing van loc djch chuyen gia loc dich tao, ren luyen nang nghien chuyen ngang cug phdn treo cuu khoa hpc Giio vien ddng tinh eiia bai toin vai trd cd vin cho cie hogt i ^ g - Phin tich inh budrig ciia cd muc ^ch ciia sinh vien dd cac eic kich dpng diu vio ddn dao em tiep thu kien thiic mdi mpt cich dpng ciia td hai ciu tich cyc khdng gian - Md phdng dugc thyc hidn Tai lieu tham khao tiong mdi trudng tuang tic sinh dpng mi khdng ydu ciu Huynh Duih Chidn, Ca sd cic thidt bj dat tien dung ly luin vifc iing dung khoa hoc cic phdng thi nghifm cdng nghd ddi mdi gjao 40 • TAP CHI THIET BI GIAO DUC-SO 93-05/2013 (Tiep theo trang 32) dye, ky ydu hpi diio doi mdi giio dye, dai hpc Hud, nam 2006 Ngd Tii Thinh, Tim hieu phuang phip md phdng thidt kd bai giing dien tii, tap chi buu chinh vidn thong, thing 8/2003 Ngd Tii Thinh, Phuong phip mo phdng giing dgy chuyen nginh ky thuat Tap ehi Phat tridn khoa hpc va cdng nghf so 10/2008 Martyn Sloman, A Handbook for Traning Sti-ategy,Gower 1998 Paul R.Burden, Methods for Effective Teaching, Allyn and Bacon 1994 Summary This article offers a teaching simulation method applied to automotive engineering at technical universities Teaching method simulation is the synthesis of the different methods and teaching techniques Teachers can combineflexiblydifferent teaching methods with simulation methods ... nhac, mpt sd em lgng le ve mgch difn, ghi chii can than nhung dieu quan sit, dien giii ctia thiy cd Trong long chiing tdi, nhtmg thiy cd dang lim cdng tic hudng nghifp, dgy nghe thdng thay thgt de