; Tuyen tap Cdng trinh Hdi nghj Khoa hpc Cff hpc Thuy Todn qudc, Phan Thiit, 2008 341 Khao sat anh hirong cac che bay den dac tinh chuyen dong nhieu doc rieng cua cu bay Ngo Tri Thang, La Hai Dung, Phan Xuan Tang, Nguyen Huu Doan, Le Nguyen Cuong Vien KTQS PK-KQ Tdm tdt: dn dinh vd diiu khiin Id nhirng chi tliu ca bun ddi vdi chuyin ddng ciia cu bay Khdng qudn Cdc bdi todn vi chuyen dgng nhieu Id nhirng co sd de ddnh gid tinh dn dinh vd diiu khiin cdc chuyen ddng cua chung Doi vdi ddc tinh chuyin ddng nhiiu dgc riing cua cu hay tdn tgl nhieu yeu td dnh huirng Tuv nhien, bdo cdo chi de cap din dnh humig cita cdc che bay Bdng vice dp dung phiarng phdp tinh todn tu vol cdc kit qud gidl cdc hi phmmg trinh vi phdn chuyin dgng nhiiu dgc khdng thu nguyen d cdc che bay khdc di lam ro mdi quan he dnh hirdng da niu Abstract: Stability and maneuver are fundamental requirements for aero plane in air force Solutions for disturbance motion are basis to determine stability and maneuver of aero plane For vertical disturbance motion, there are manv Influenced factors However, this paper Just reports about the effect ofjlying condition By the method of (tinh toan tu) with results from systems of different non-magnitude differential vertical motion, this effect would he clarified D a t v a n de On dinh va dieu khien la nhirng tinh nang co ban ciia klii cu bay (KCB), Cac bai loan ve chuyen ddng nhieu, kbi KCB dugc xem nhu mot be cac chat dicm thi ket qua giai cac bai toan se la nhirng co sd dc danh gia tinh dn dinh va dieu khien cac chuyen ddng cua KCB khdng gian Chuyen dgng nhicu dgc ricng la mgt trudng hgp chuyen dpng nhieu cua KCB mat phang dimg Dac tinh chuyen dgng nhieu dgc rieng cd y nghia quyet dinh den tinh dn dinh va dieu khien chuyen dgng doc cua KCB, Tren thuc te cho thay tdn tai nhicu yeu td anh hudng den dac tinh ciia chuyen dpng nhicu dpc ricng [1] [2] Tuy nhien, dudi day chi de cap den anh budng cua cac cbc bay, dac tnmg cho cac chuyen dpng cua KCB mat phang dirng den nhung dac linh cua chuyen dpng nhieu nham cung cap day du nbu:ng thdng tin vc dn dinh va dieu khien cua KCB thyc bien cac chuyen dgng va ca ddng thco true dgc ciia nd He p h u o n g t r i n h c h u y e n d o n g nhieu doc rieng ciia K C B Gia thilt: Chuyin dgng ban diu cua KCB miii phang dirng la chuyen ddng thing, dirng, khdng cd gdc nghieng va gdc trugt canh (y = p = 0), Mirc nhieu cac tham sd chuyin ddng cua KCB nhu: tdc dp ( ^ ^ ), gdc tin ( ^ « ), gdc chuc ngoc ( ^ ^ ) khdng Idn; Dp cao bay qua trinh dien chuyen dpng nhieu thay ddi khdng dang ke, Tren co sd he phuang trinh chuyin dpng dgc khdng dirng, phi tuyen cua KCB vdi phuong phap tuyln tinh boa bing cac sai lech nhd cac tham sd chuyen dpng cua KCB, he phuang trinh chuyen dgng nhieu dpc rieng khdng thu nguyen cd dang: Khdo sdt dnh hu&ng cdc che dd bay din dac tinh chuyen ddngjthjju doc rienP cua ru hr,j 342 dAV dt dA9^ — dAa d Ai) , b^,AV-a^,Aa+c,,A^=Q - AV I = = c ' dt h,r, 10 = 2k,C^ L?-,n = iLk^C "' s.