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Tối ưu hóa thiết kế hệ thống treo ghế lái ô tô theo phương pháp thuật toán di chuyển

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NGHIEN CUlU-TRAO DO TOI iru HOA THIET KE HE THONG TREO GHE LAI O TO THEO PHUONG PHAPTHUAT TOAN Dl TRL^ EN OPTIMAL SEAT SUSPENSION DESIGN OF VEHICLE USING GENETIC ALGORITHMS KS Nghiem Xuan T h a n h ' ThS Le Thanh Tuan' ThS Ngu>ln Tiin Hifp' Truong S\ quan K\ thuat Quan sir -Hoc \ icn Ky thuat Quan sir TOM T \T Thiet ke he thong treo ghe ldi nham giam tdc dong cua dao dong tdc dung len iigifai dieu khien to Bdi bao trinh hay loi iru iiod cdc thong so dp cimg ctia bp phan dan hoi va lie 50 cdn cua gidm chdn linh loan Ihiet ke he thong treo cho ghe idi Idlheo phuang phdp thudt todn di truyen Kit qud tdi uu hod cdc thong so Iren ddm bdo tdc dpng ciia dao dong to den ngudi dieu khien to giai hgn cho phep Tir khoa: Ghe ldi Id, h^ thing Ireo ihiidl todn di Iniycii ABSTRACT Design leal suspension in order lo reduce viabralion that effect on the driver This paper presents the optimized parameters Seal suspension stiffness and Seal damping Coefficients in Seal Suspension Design according lo the method of genetic algorithms The results of the oplimizalion parameter make ensure that reduce viabralion effect on the driver in the permissible limits Keywords: Seal Suspension Suspension, Genetic D.AT \ ' W DK Dao dpng lam cho nguoi dieu khien to moi met dan den m4t phan img linh hoat \.i dieu khien mat chinh xac gay tai nan giao thong Do vay de giam tac dpng ciia dap dpng den nguoi dieu khidn thi hien na\, tren cac ghe lai cua to duoc trang bi he thong treo Algorithms Khi thiijl ke he thdng treo o ghd lai can phai toi iru hoa cac thong so dp cung cua bp phan dan h6i va he s6 can cua giam chan cho cac thong s6 dao dpng tac dpng ddn ngucri diSu khidn to cac giai han cho phep.Hien nay, cp nhidu phuong phap Si xac djnh cac th5ng tren, trpng co phuang phap lira chpn theo thuat toan di truySn ISSN 08«6 - 7056 TAP CHI' CO KHf VIET NAM, S6 nam 2016 H»w.cokhivktnani.\ n NLiMltlM ULTU - I KMU tJUl MO HINH \\\ PHL ONG TRINH MO TA DAO DONG CL A O TO De md ta dao ddng tac dgng len ngudi didu khien d td, can thidt phai xay dung md hinh va phuang trinh vi phan md ta dao dgng cua d td Bdng Tiidng so Icet cdu cua mo hinh: TT Ky hieu Ten thdng so Gia tri Don \ i Khoi lupng phan dugc treo \1 8430 Kg Mo men quan tinh khoi lupng treo J, 6059 Nm.s' Khoi lupng phan khong dupc treo cau so m^ 501 Kg Khoi luong phan khong dupc treo cau so "h 496 Kg Khoi luong phan khdng dupc treo cau so m, 435 Kg Khoi lupng phan khong dupc treo cau so m^ 440 Kg Khoi lupng ciia ghe lai va nguoi lai m^ 95 Kg Dp cung quy din phan dan hoi c^ 29725 N/m Chieu dai co so cua xe L 4,240 M 10 Khoang cac tir trpng tam den cau so 1, 2,120 M 11 Khoang cac tir trpng tam den cau so 1, 0,775 M 12 Khoang cac tir trpng tam den cau so 1, 0,775 M 13 Khoang cac tir trpng tam den cau so 1, 2,120 M 14 Khoang each tir trpng tam den ghe lai 1^=1, 2,125 M 15 He so can giam chan tai cau so K 4100 Ns/m 16 He so can giam chan tai cau so k 2050 Ns/m 17 He so can giam chan tai cau so K 2050 Ns/m IS He so can giam chan tai cau so k^ 4100 Ns/m 19 Dp cimg cua lop \ e c^ 600000 N/m ISSN 0866' 7056 TAP CHi CO KHf VIET NAM, Sd nam 2016 www.cokhivietnam.vn NGHIEN CLfU-TRAO D O I Md hinh md ta dao ddng ciia d td dugc xay dung nhu hinh 1, cac thdng so ciia md hinh bang I ,* T .f Hinh I Mo hinh mo Id dao dgng cua Id Mo hinh dupc xay dung gom bac tirdo (Z (p, 4, t c, sj- ^ ^ tac dpng cua dao dpng den nguoi dieu khien dupc danh gia thong qua dich chuyen thang dimg va gia toe dao dpng cua ghe lai Phuang trinh vi phan mo ta dac dpng ciia to cau dupc thiet lap theo phuang trinh Lagrange loai co dang nhu sau; l/Z+c,(Z-/,»)~c,) + c ( Z - / , ^ - i , ) + c,(Z + /,«)-fj) + c,(2 + /,^-^=J +*,(Z-/,(/)-c,) + * ( Z - / , ( i - i , ) + t , ( Z + / > - ^ j ) + *,(Z + / > - i j + - ; , ) = y,(()-C|/,(Z-/,

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