I Pi =1, thl M[X] =LXi Pi lie UX lien tl,le
3.1 Ke't luan chung:
M~ng giao thong du'ong bQ trong ph~m vi mQt do thi, mQt qu6c gia ra't to Ion va vo cling phuc t~p. Lon v~ s61u'<;fngdu'ong xa, phu'ong ti~n, cong trlnh c~n ki~m soat. Phuc t~p v~ sl;ida d~ng va cac m6i lien h~ tren m~ng. La mQt h~ th6ng dQng va sl;iphat tri~n v~ s61u'<;fng,dQ phuc t(;lp ngay mQt tang. D~ mophang du'<;fCn6, d qui ma nha la cel mQt va-a d~. Ne'"ukhong nghien CUlltu'ong t~n thi khong th~ hi~u r6 du'<;fc.Mo hlnh MOT du'ong bQ cling nhu' nhi~u mo hinh khac da du'<;fCnghien CUlltu thl;ic te'",thu'ong hay c6 mQt sO'd6ng d(;lng, nen c6 th~ duc ke'"ttu nhung mo hlnh nay. MOT khong c6 gl moi me, ch~ng qua d6 la mQt va'n d~ xa hQi lien quail de'"ncuQc s6ng hAng ngay c~n giai quye'"t.Khach quail ma n6i, MGT la mQt ta't ye'"uc~n nghien CUll.Vi sl;iphuc t~p, c~n phai hi~u ra ban cha't d~ rut ra c6t 15i va'n d~, phan tich, t6ng h<;fpcho ra mQt roo hlnh don gian vila duo Khi nghien CUllphai dao xoi ky tung thanh ph~n cua mo hlnh.
Cd/f/w /~~ Cd/f/~ uq~ ~ ~. fXj
.Anh du'ong se thay d6i theo xe "demo" minh hQa mophang MGT
I L( x demo) I D6i anh I X demo ch~ y X\ X demo ch~ y ~ 3.- N dung KE
Bao g6m ke'"tlu~n chung cho cac ph~n da trlnh bay, cac ke'"tlu~n tung ph~n , danh gia d~ tai, neu va-a d~ c~n b6 sung, cac ph~n vi~c thl;ic hi~n du'<;fCva cac thie'"us6t.
3.1.- Ke't luan chung:
M~ng giao thong du'ong bQ trong ph~m vi mQt do thi, mQt qu6c gia ra't to Ion va vo cling phuc t~p. Lon v~ s61u'<;fngdu'ong xa, phu'ong ti~n, cong trlnh c~n ki~m soat. Phuc t~p v~ sl;ida d~ng va cac m6i lien h~ tren m~ng. La mQt h~ th6ng dQng va sl;iphat tri~n v~ s61u'<;fng,dQ phuc t(;lp ngay mQt tang. D~ mophang du'<;fCn6, d qui ma nha la cel mQt va-a d~. Ne'"ukhong nghien CUlltu'ong t~n thi khong th~ hi~u r6 du'<;fc.Mo hlnh MOT du'ong bQ cling nhu' nhi~u mo hinh khac da du'<;fCnghien CUlltu thl;ic te'",thu'ong hay c6 mQt sO'd6ng d(;lng, nen c6 th~ duc ke'"ttu nhung mo hlnh nay. MOT khong c6 gl moi me, ch~ng qua d6 la mQt va'n d~ xa hQi lien quail de'"ncuQc s6ng hAng ngay c~n giai quye'"t.Khach quail ma n6i, MGT la mQt ta't ye'"uc~n nghien CUll.Vi sl;iphuc t~p, c~n phai hi~u ra ban cha't d~ rut ra c6t 15i va'n d~, phan tich, t6ng h<;fpcho ra mQt roo hlnh don gian vila duo Khi nghien CUllphai dao xoi ky tung thanh ph~n cua mo hlnh.
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Mo hlnh qui lu~t con thie'u ye'u to', e~n b6 sung them d~ bet sai sot:
Co mQt mo hlnh khae mo phong eho qui lu~t giao thong khong? C~n du'a el;1th~ them cae lu~t giao thong du'ang bQ trong mo hlnh. Luon la mQt vffn d~ d~t fa, lam the' nao d~ t6ng h9P nhi~u qui lu~t
nhfft?
Thai gian d6ng bQ ehu'a giai quye't t6t du'ge.
C~n xay d1;ingcae mo hlnh th6ng ke lien quail de'n MGT.
3.3.6.- Ung dung:
Cae ling dl;1ngtren MGT rfft da d"lllg, tuy ml;1edich, c~n xay d1;ingd~ dC;ltdu'9c ml;1clieu t6t bon. Tuy nhien, d day chI mu6n d~ c~p md rQng mQt so' ling dl;1ng co ban eho MGT d~ co th~ phat tri~n mQt so' ling dl;1ngkhae.
C~n xay d1;ingmQt danh ml;1ecae ling dl;1nglien quail de'n MGT d~ xae dinh r6 them mo hlnh t~ng ling dl;1ng.
- Nhu' d~ e~p d tren, e~n xay d1;ingcae hi~u baa qui dinh thay d6i lu'u
thong eua cae phu'ong ti~n ( VI dl;1,den giao thong, e~u e6ng, ... ). Bi~u nay se giup ich eho vi~e d1;idoan , danh gia du'ge cae hi~u baa hi~u baa, eong trlnh co them so vdi tru'de. Th1;iefa, ling dl;1ngnay d1;iatren ph~n md rQng eua nut giao thong. Banh gia cae eong trlnh khi chill lac dQng cua qui lu~t giao thong du'ge ehQn.
C~n md fQng eong el;1xli'ly anh tren MGT d~ co th~ danh gia du'ge
mC;lng.
C~n md rQng co sd dcr li~u eho du'ang xa d~ mo phong, quail ly au'9c cae mC;lngdi theo MGT nhu'du'ang 6ng, di~n, nu'de, ....
- Cu6i eung la vffn d~ co e~n phai tri~n khai qua nhi~u ling dl;1ng, chile Dang cho mQt MGT khong? Va vi~e xli' ly MGT theo ki~u CSDL va anh cai nao ti~n bon.
Tdi day coi nhu'la ke't thue loan bQ nQi dung e~n trlnh bay eua d~ tai. Ban than nh~n thffy gi6ng nhu' dfi sa l~y vao MGT, mu6n giai quye't thffu daD nhi~u va'n d~ tren m(;lng d~ mo phong t6t bon, nhu'ng khong th~ du'ge VI thai gian co h(,ln,kha Dang hC;lnehe', thie'u tai li~u, s6li~u th6ng ke, ehu'a khao sat nhi~u mo hinh tu'ong t1;iMGT, ehu'a lam nhi~u v~ cae d~ tai v~ lInh v1;ienay ngoai bai loan v~ v~n di, qui hOC;lChtuye'n tinh, hi~u ehu'a tu'ang t~n he't cae d6i tu'9ng trong mo hInh, chu'a xae dinh r6 cae cae eong trlnh lien quail de'n mC;lngdu'ang tar dQng ten MGT nhu' the' DaD, ehu'a tham khao du'ge nhi~u ykie'n cua cae
chuyen gia trong lInh v1;iegiao thong nhu' thie't ke' du'ang xa, c~u e6ng, xay d1;ing lu~t giao thong, qui hoC;leh,thie't ke' do thi, ngoai ra ehu'a th1;iehanh nhi~u trong
CYV'UJ lu~"/KI'v CYV'{,a/JUlu iJq/UW~ Ywnq u ctu:O:ny, 00
nganh xli' 1y ant. Nhu'ng do long say me llnh v1,icnay va cam thf(y n6 c6 ve gftn glii, thie't th1,ictrong aai sO"nghang ngay, aoi khi chie'm nhi~u thai gian trong ngay. M~c dftu cam thf(y c6 nhi~u kh6 khan nhu'ng v~n tin dng c6 th€ giai quye't to"thdn au'<;1c.Tuy nhien, aa th1,ichi~n au'<;1cIDQtsO"cong vi~c cd ban trong viec tim hi€u a~ tai nay 1a aua ra y tu'dng xay d1,ingIDa hInh, t~p h<;1paU<;1ccac thanh phftn cd ban trong m;;mg c6 h~ th6ng va afty au, tim cach mo phong tUng thanh phftn, dung mQt sO"ky thu~ t a€ giai quye't vft.n a~ va minh hQa IDQtxe
"demo" chC;lytren toan mC;lng.C1,lth€ au'a ra ky thu~t chinh d€ mo phong MOT
la xay d1,ingcac khuon m~u du li~u trong cac tftng cd ban ( auiJng, xe, ldi xe, qui
lu4t ) d€ mo phong MOT theo mQt qui lu~t naG d6. Tf(t ca cac thie'u s6t tren
cling cho tha'y phai cftn nhi~u cong suc hdn nua moi hoan chinh a~ tai dU<;1c. Cu6i cung phftn minh hQa mo phong MOT chua th€ hi~n dU<;1cdfty au, ban than co' g~ng se b6 sung them sail chudng trlnh IDa phong MOT trong phftn ph1,ll1,lc.MQt lftn nli'a, xin cam dn Thfty, Co va cac bC;lnaa giup dd trong vi~c th1,ichi~n d~ tai va kinh mong du<;1ccac ykie'n v~ cac thie'u s6t ho~c cftn b6
sung trong d~ tai nay. (adsbygoogle = window.adsbygoogle || []).push({});
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