Đề xuất một nguyên lý mới điều khiển thiết bị bay một kênh

DE XUAT MOT NGUYEN LY M6 I DIEU KHIEN

THIET BI BAY MQT KENH

Phan Vdn Tir,

Vien Ten lira Vien Khoa hgc Cdng nghi Qudn sir

Tdm tdt:

Bdi bdo ndy de xudt mgt nguyen ly mdi dieu khiin thiit bi bay diiu khiin mdt kenh

(TBBMK) md tdc gid ggi la nguyen ly "chim bav" Theo thdng tin md tdc gid cd dugc thi

chua tdi lieu ndo cdng bd ve nguyen ly dieu khien ndy. Bdi bdo si niu lin tinh uu viit cua

nguyen ly so vdi cdc nguyen ly dang dp dung vd dd di xuat.

Abstract:

This paper attempts to promote a new principle for one-channel flight equipment control

that is called by author "birdflight" principle. It is a new principle because it has not been

published by any papers. This paper presents advantages of this principle in comparison with

other applied principles and published principles.

LMODAU

Theo tai lieu [1] ta thdy cac tac gia dd neu len mdt sd phuang phdp dieu khien TBBMK

Dieu khien TBBMK theo phuong phdp bien do xung;

Dieu khien TBBMK theo phuang phdp thay ddi do rdng vd pha cua gdc cdnh Idi;

Dieu khien TBBMK theo phuong phdp dieu chedd rdng xung.

Ddc diem chung cua ba phuang phdp tren Id cdnh Idi ciia TBBMK phdi Idm viec d che . •» 0 0

do xung. Uu diem ciia phuang phdp nay Id mdy Idi cd ket cdu khdng qud phirc tap vd nd chi

phdi ling vdi ddu ciia tfn hieu dieu khien. Nhung ddc diem ndy ciing dua den nhimg nhugc

diem:

Lam tdng tfnh phi tuyen cua he;

Lam phiirc tap viec tdng hgp tdc ddng dieu khien vd phdi dua them thdnh phdn dieu

che;

- Quy dao bay ludn ludn bj ddo lam gidm dg chfnh xdc dieu khien;

Lam tdng luc cdn vd gidm cy ly bay cua thilt bj bay (TBB);

Lam tdng khd ndng mdt dn djnh ciia TBB.

Sau mgt thdi gian ddi nghien ciiu vl mat todn hgc vd md phdng tren mdy tfnh, tdc gia

da phdt hien ra mgt nguyen ly that gidn dj vd dl xudt ten ggi Id nguyen ly "chim bay"

IL CO S d LAP LUAN TOA N HQ C DE XAY DVNG NGUYEN LY

Khi quan sat chim bay ta cd the thdy chim cd mgt ddi cdnh nhung dugc sOr dung cho

nhieu chirc ndng: ndng, ha, bay tiln, lui va ddi hudng... Khi nhin ddi cdnh chim bay cd thi

ggi y cho ta mdt dang chuyen dgn^ cua cdnh chim ma ta cd thi hgc dugc. Chuyin ddng ciia

cdnh chim cd the dugc md phdng bdng mgt dao dgng cd bien do, tdn sd, pha thay ddi.

Dat bai toan: Cho ddi tugrng dieu khien la TBBMK md dgng hgc cua nd duac mo ta

bdng hi phuang trinh vi phdn:

., dd „ p ^ ^

m V — = Kg cos (OJ.o^ - G cos 6

f (1)

mV —^ = K,^, sin coj.d^

708