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[.]
Trang 1Hl/ONG DAN QUAN LI sir DUNG II
1 Gidi thifu
Nghien cim ddi mdi
phuang p h i p giing day bing
sii dung (^NTT v i o giang dgy
VOT sy hd trp cua cic phin
mdm md phdng trdn may tinh
dang dupe nhieu giio vidn
quan tim v i i p dyng Vdi su
ho trg ciia CNTT, cd the hidu
bdn chdt eua phucmg phdp mo
phong (PPMP) la xdy dung
mpt mo hinh the hiin bdng
chucmg trinh mdy tinh, sau
do tien hdnh cdc thuc nghifm
tren mo hinh Kdt q u i nit ra
dupe phii cd kidm chiing vdi
kdt qua do dac thuc td v i cd
the sii dyng cho nghidn ciiu v i
san xuit vd sau Nhu viy, mo
phdng Id thuc nghiem quan
sdt vd dieu khien trin mo hinh
cua ddi tugng quan sdt Trong
bai bao nay tic g i i xin dd cip
den vifc sir dyng md phdng
nhim ddi mdi phuang p h i p
day hpc hifn nay d cic trudng
dgi hgc ky thuat
2 Cau triic md phdng
trong day hpc chuyen nganh
ky thuat
Ciu tnic ciia PPMP trong
nghidn ciru khoa hgc gdm:
ddi tugng can nghidn ciiu, md
hmh va kdt qua nghidn ciiu mo
hinh (hinh 1)
Tru&ng Dgi hge
ciru khoa hgc, Ii md phdng thd gidi nhan thirc, cho phep tidn hinh giing day theo che do tuang tic, phit tridn khi nang hgc tren cic tri thiic d i ITnh hdi dugc Nhu viy cau tnic PPMP trong day hpc se bao gdm c i
"xir ly su pham" va "td chiic boat ddng day hgc" (hinh 2)
GIANG DAY CHUYEN NGANH KY THUAT 6 TO
ThS.Nguyen Van H a n h
Suphgm Ky thudt Hung Yen
Md phdng giiip giio vidn tidt kifm thdi gian, tang cudng thdi gian giao tiep, thao luin vdi sinh vidn
4 C o sir ap dung P P M P
trong giang day chuyen nganh ky thuat 6 to
4.1 Ca s& dp dung Ddc diem cua cdc mon hgc chuyen ngdnh ky thudt 6 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 nay 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 trong day hpc cd khi 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 khi xiy dung xong cic phin mem md phdng, tidp theo
l i sogn giio an theo PPMP Khi x i y dyng b i i giing phii
b i o d i m su ddng bp giiia thiet
bi, ndi dung v i phuang phip, tgo ra dupe mau thuan, kich thich himg thu ciia hpc sinh, thoa man cic ydu ciu tich cue, sing tao, phit tridn tu duy ciia PPMP Phdi hgp chit che giiia cac budc chuyen ddng ciia hinh ve phii hgp vdi phuang
Hinh I Cdu true qud Irinh mo
phong trong nghien cuu Ichoa hpc
M6 phdng trong dgy hgc
la mpt dang md phdng nghidn
Hinh 2 Cdu tnic phucmg phdp n phong Irong dgy hoc
PPMP trong day hgc Id phuang phdp tiep cap nhdn thuc the gi&i hien thuc thong qua mo hinh tinh hogc dgng
Bing PPMP, sinh vien khdng chi tiep thu kien thiic mpt each siu sic ma trpng qua trinh hoc,
hp cdn cd the tim ra cich tiep can van dd, con dudng cich thiic dd dat dugc muc tieu bii hoc
3 U'n d i i m cua P P M P trong day hoc
Md phdng cung c i p cho sinh yien nhung kinh nghifm
cy thd vd doi tupng hpc tip tlieo kidu trai nghidm giin tiep
Md phdng dupe su dung dd cung cap nhiing kinh nghiem giin tidp trudc khi sinh vidn di thyc hinh thyc td ^ , Giio vidn cd thd kdt hop
md phdng vdi cic phuang phip giing day giup cho vide
td chirc giing day, l i m cho boat ^ n g hpc trd nen tich cyc boa
Ngay nUn bdi 30/3/2013; Ngdy duy4l ^ang 25/4/2013
Trang 2p h i p angorit v i c i c tinh huong
ndu v i n dd
5 Sir dyng PPMP trong
day hpc bang phan mem
Malab Simulink
Matlab l i 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 do 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 3
Hinh 3 Sa do thia hien qud
trinh mo phung hdng Simulink
Vi du: Khdo sdt dao dpng
6 to hai edu trong khong gian
Khi khio sit dao ddng d td
trong 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 ra cic thdng sd
d i e trung cho dao ddng cua hf
ca Md hinh dao ddng tuang
duang khao sat dao dgng d
td hai ciu trong khdng gian
(hinh 4.)
Dd k h i o sit dao ddng ciia
B^faS^R^iwi ^ H B ^ p l i
Hinh 4 I^o hinh dao dgng 6 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 p h i p thidt lip cic phuang trinh n i y gdm phuang p h i p sir dyng nguydn
ly D'Alamber hoic sir dyng phuang trinh Lagranger logi
II Q md hinh niy, ta chpn phuong p h i p 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 9 phuang trinh sau:
w,i, *j/,*-[ft^+f„|-[f„.r„| 0)
•.•!,=-['=^-U-l^^*''m,)*lF»*^„j.li'=,»'™] tl)
Md hinh thyc bidn md phdng dao ddng d td bai ciu trong khdng gian thdng qua
9 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
iti^
Hinh 5 Sa do long the mo hinh dao dong khong gian cua 6 lo hai cdu
gian dang hinh sin hai ben binh xe khic nhau 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)
5
Hinh 6 Khoi mo phong hdm kich dong lir mat duang
Kdt q u i md phdng dao ddng d td hai ciu trong khong gian dugc trinh b i y trdn cac_^ binh 7 ddn hinh 9
Kdt q u i thu dugc gua thir nghifm dupe bidu didn dudi dang dd thi hi hinh 7 ddn hinh
9 Qua kdt q u i thir nghifm cho thay, chuang trinh md phdng:
- Dua ra dugc cie dang die
Hinh 7 Dich chuyen tinh liin vd phdn Ireo ( Xem nip trang 40)
Trang 3difn trong nhi" Di cho thay
hifu ^ui thidt thyc, ci mpt
he thdng mach difn ty dpng
cip cho cic miy bam nude,
trong 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 trong tim quan sit
eiia cac em That "dan giin,
de hieu, de nhd" Ii nhin xet
ciia biu hdt hpc sinh, sau khi
dupe tan mat chirng kien boat
dpng tu dpng ciia hf thdng
bcrm nude Khdng chd thay
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 pho 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
Summary
This article introduces
a set of self-education:
"automatic pumping system model" of teacher Nguyen Van Son, teachers of technical education centers aggregating
5 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 condominiums
# *
Hinh 8 Dich chuyen, van tdc dich
chuyen vd gta tdc dwh chuyen cua
gdc dge phdn treo
Hinh 9 Dich chuyin goc^ lac,
van loc djch chuyen gia loc dich
chuyen ngang cug phdn treo
tinh eiia bai toin
- Phin tich inh budrig ciia
eic kich dpng diu vio ddn dao
dpng ciia 6 td hai ciu trong
khdng gian
- Md phdng dugc thyc hidn
tiong mdi trudng tuang tic
sinh dpng mi khdng ydu ciu
cic thidt bj dat tien dung trong
cic phdng thi nghifm
Cho cic kdt qui nhu mong mudn, giiip sinh vien phit trien tu duy ky thugt, tinh sing tgo vi kha nang nghien ciru khoa hpc
6 ket luan
Sir dung phin mdm Matlab Simulink tiong dgy hpc cd khi ning md phong chuih xic cie tham sd ddng lye hpc ciia cic
CO ciu, he thdng tidn o td vdi kdt qui diu ra li cic dd thj cic dudng die tinh phin inh bin chit ciia ddi tugng that Do do, PPMP ti-ong day hpc tren may tinh Ii mpt phuang phip tidp can thyc tidn mpt cich hifu qui
Phuang phip niy giiip smh vien ting tinh chii dpng sing tao, ren luyen khi nang nghien cuu khoa hpc Giio vien ddng vai trd cd vin cho cie hogt i ^ g
cd muc ^ch ciia sinh vien dd cac
em tiep thu kien thiic mdi mpt cich tich cyc
Tai lieu tham khao
1 Huynh Duih Chidn, Ca sd
ly luin vifc iing dung khoa hoc cdng nghd trong ddi mdi gjao
(Tiep theo trang 32)
dye, ky ydu hpi diio doi mdi giio dye, dai hpc Hud, nam 2006
2 Ngd Tii Thinh, Tim hieu phuang phip md phdng thidt
kd bai giing dien tii, tap chi buu chinh vidn thong, thing 8/2003
3 Ngd Tii Thinh, Phuong phip mo phdng trong giing dgy chuyen nginh ky thuat Tap ehi Phat tridn khoa hpc va cdng nghf so 10/2008
4 Martyn Sloman, A Handbook for Traning Sti-ategy,Gower 1998
5 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 combine flexibly different teaching methods with simulation methods