tiUAi tiunu ivn-vn UNG DUNG PHAN MEM THIET KE TAU CA V6 GO TR€N Oil) BnN TINH NGHC DN • Nguyin Chi Lujcng Chi cue Bao ve nguon liyi thuy sin I Dat van de Phan mem thilt kl tau ca la phin mem co tinh nang giiip cac tau ddng cd dugc mau ma dep, phii hgp vdi cac tieu chuan ky thuat, quy pham ddng tau ciia Nha nude quy dinh Tuy nhien, mot thuc te hien la nhiing tau danh bat thuy san d nude ta ndi chung va tinh Nghe An ndi rieng deu thudc loai tau nho, cac ngu dan tu lien he dl ddng nen hau nhu khdng cd thiet ke ky thuat, ma chii yeu ddng theo kinh nghiem va mau dan gian truyen thdng ciia tiing dia phuong Hd so thiet ke hoan cdng tau chi dugc tien hanh lap ddng hoac sau dong xong Do do, dudng hinh thudng dugc xay dung tren co sd dac va ve lai mau tau da ddng Trong thdi gian gin day, ma cac ca quan quan ly nha nude yeu cau cac tau nghi ca dong mdi phai cd hd so thiet ke ky thuat thi qua trinh thiet ke dudng hinh ciia loai tau ndi chung thudng cung chi diing lai d viec ve dudng hinh theo cac mau tau cd san bang phan mem thdng dung Autocad va thuc hien tinh toan tinh nang tau theo chuang trinh mdt si nha thilt kl tau tu vilt, chii ylu dua vao cac phuong phap tinh truyin thdng Dieu gay nen nhieu vin dl phuc tap cdng tac quan ly ky thuat va anh hudng xiu din su an toan va hieu qua khai thae tau ca Ddng tau ca vd go la nghi truyin thong d nhieu dja phuang ven bien ciia tinh Nghe An Hien nay, hoat dgng khai So 11/2011 thae thuy san tren dia ban tinh phat triln manh, nhieu ngu dan da dau tu ddng mdi tau khai thae xa bd nen nghi cd dieu kien phat triln hon Bai toan thilt kl dudng hinh tau phii hgp vdi cac yeu cau thuc tl da dang ciia tau nghi ca nham dinh hinh mau tau chuan cho dja phuang la van de cd y nghTa quan trgng, dang dugc co quan quan ly nude ta quan tam Noi dung va phuo'ng phap nghien cu'u Nghien ciiu xay dung phuang phap va thuat toan tu ddng hoa thilt kl toi uu dudng hinh, bat dau tir khau xac dinh dac diem hinh hgc, ve dudng hinh, tinh toan tinh nang dap ung yeu cau thuc te da dang va phong phu cua tau nghi ca Viet Nam Viet phan mem thiet ke tdi uu dudng hinh mau tau ca Viet Nam, su dung don gian, nhanh chdng, true quan nham hudng tdi ngudi diing la cac co sd ddng tau go d cac dia phuong Khao sat thuc tl dl xay dung nhiem vu thu (NVT) thiet ke dap ling yeu cau tau ca hien va ve }ai dudng hinh cac mau tau dan gian dien hinh tiing dja phuang Xay dung phuong phap va thuat toan tinh toi uu dac diem hinh hgc tau dap ling cac yeu cau nhiem vu thu thiet ke va cac yeu ciu ciia ham muc tieu dat Xay dung phuang phap va thuat,toan ve dudng hinh dap ling dac diem hinh hgc tdi uu, da chgn va phii hgp mau dan gian ciia tiing dia phuang , Nghien ciiu thuat toan tir dgng hoa tinh toan tinh nang hang hai cua tau Cac van de can giai quyet cua phan mem 3.1 Bac diim nhiem vu thu thiit ke tau cd Viet Nam Khao sat thuc t l nhan thiy, ngoai cac ndi dung quy dinh, cin bd sung them cac ngi dung can thiet NVT thilt kl tau ca nude ta dl dap ling yeu ciu vl ngu trudng, kilu dang, tinh nang, kha nang ddng theo mlu dan gian Thdng tin KH-CN NghS An (8] HOAT DONG KH-CN Cdc kich thuac chinh: Theo de nghj cua ngu dan hoac bi han che bdi cac dieu kien vl ngu trudng khai thae, ludng lach, bai dau He dong luc: Yeu cau ve cdng suat may chinh hoac toe tau Mdu taw Yeu ciu theo miu dja phuang de phii hgp vdi ngu trudng danh bat, thdi quen, y thich, kha nang thi cdng tau vd go Ham muc tieu: Yeu cau ve tinh nang tau thiet ke, chii tau hay ngudi thiet ke dua de lira chgn tii uu dac dilm hinh hgc tau nhu trgng tai hay siic chd, tdc hay cdng suat may, cac dai lugng dac, trung tinh nang nhu chieu cao tam In djnh ho, chu ky lie T 3.2 Thuat todn tinh toi leu dac diem hinh hgc tdu Dac diem hinh hgc la cac dac trung kich thudc va hinh dang hinh hgc tau gdm cac kich thudc chinh L, B, H, T, cac ty si kich thudc L/B, B/H, H/T va cac he sd hinh dang a, P, Dac diem hinh hgc la ca sd dl xac djnh cac tinh nang va cac chi tieu kinh te ky thuat tau nen viec tinh chinh xac, hgp ly cac dai lugng cd vai trd va y nghTa quan trgng Vl nguyen tic, cac dac diem hinh hgc toi uu ciia tau thilt ke dugc xac djnh tren co sd hai yeu cau chinh: Ddp img cdc yeu cau dat NVT Ddm bdo cdc tinh ndng tdu tdt nhdt vd ddp img cdc chi tieu kinh te - ky thuat tien tien Cd nhilu phuang phap nhung chi cho phep tinh gin diing va khdng chii ddng dap ling yeu cau ciia NVT thiet ke tau Phin mIm su dung thuat toan, tam ggi la thudt todn so sdnh cdc phuang dn, xay dung tren co sd: + Thilt lap tit ca cac phuang an phdi hgp cac dac dilm hinh hgc cd the xay dii vdi loai tau thiet ke + Tinh toan tinh nang va cac chi tieu kinh tl ky thuat cac phuang an vira xay dung So 11/2011 + So sanh cac phuang an de chgn phuang an tau hgp ly nhit theo ham muc tieu dat Tdm tit trinh tu: Xac dinh pham vi thay ddi dac diem hinh hgc cua loai tau thiet ke (L/B)minp \^ 2.Txq>u€ tii tin Urn nhil 3.T6c ^9 tlu Xou zdiit 4.C3xig; 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