Rune Schlanbusch
Control of rigid bodies
with applications to leader-follower spacecraft formations
ISBN 978-82-471-3365-1 (printed ver.) ISBN 978-82-471-3366-8 (electronic ver.) ISSN 1503-8181
NTNU Norw egian Univ er sity of Scienc e and T echnol ogy Thesis f or the degr ee of phil osophiae doct or F aculty of Inf ormation T echnol ogy, Mathematics, and El ectric al Engineering Department of Engineering Cybernetics
D oc to ra l t he se s a t N TN U , 2 01 2:4 9
Rune Schlanbusch
Control of rigid bodies
with applications to leader-follower spacecraft formations
Thesis for the degree of philosophiae doctor Trondheim, March 2012
Norwegian University of Science and Technology
Faculty of Information Technology, Mathematics, and Electrical Engineering
Department of Engineering Cybernetics
Thesis for the degree of philosophiae doctor
Faculty of Information Technology, Mathematics, and Electrical Engineering Department of Engineering Cybernetics
©Rune Schlanbusch
ISBN 978-82-471-3365-1 (printed ver.) ISBN 978-82-471-3366-8 (electronic ver.) ISSN 1503-8181
Doctoral Theses at NTNU, 2012:49
Printed by Fagtrykk, Trondheim
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b
r b = R b a r a
F n
F ef
! ""R ef n =
⎡
⎣ − cos λ sin φ − sin λ − cos λ cos φ
− sin λ sin φ cos λ − sin λ cos φ
cos φ 0 − sin μ
⎤
⎦ ,
"λ
¾φ
¿¾
¿
90 ◦
0 ◦
−90 ◦
F ef
F i
R i ef =
⎡
⎣ cos(ω e t + α) − sin(ω e t + α) 0 sin(ω e t + α) cos(ω e t + α) 0
0 0 1
⎤
⎦ ,
t
α
x ef x i
t = 0
ω e = 7.292115 × 10 −5 rad/s
z ef
F i
F s
s = f, l
!""#
R s i = R z (ω + ν) R x (i) R z (Ω)
=
⎡
⎣ c(ω + ν ) s(ω + ν ) 0
− s(ω + ν ) c(ω + ν ) 0
0 0 1
⎤
⎦
⎡
⎣ 1 0 0 0 ci si 0 − si ci
⎤
⎦
⎡
⎣ cΩ sΩ 0
− sΩ cΩ 0
0 0 1
⎤
⎦
$=
⎡
⎣ c(ω +ν )+cΩ − cis(ω +ν)sΩ c(ω +ν)sΩ+ s(ω +ν)cicΩ s(ω+ν)si
−s(ω +ν)cΩ−cisΩc(ω +ν) −s(ω +ν)sΩ+c(ω +ν)cicΩ c(ω +ν)si
sisΩ −sicΩ ci
⎤
⎦ ,
ν
% &
r
F c( · ) s( · )
!""#
R i s = R −1 z (Ω)R −1 x (i)R −1 z (ω + ν).
'!
R i s = ( R s i ) −1 = ( R s i ) T
'R i s = R T z (Ω) R T x (i) R T z (ω + ν ).
(
) * + !
""# ,
SO(3)
θ
k
-..R = cos(θ) I + sin(θ) S ( k ) + [1 − cos(θ)] kk ,
/
,
SO(3)
%η = cos (θ/2) ∈
R
= k sin (θ/2) ∈ R 3
R = I + 2η S ( ) + 2 S 2 ( ).
q = [η, ]
q ∈ S 3 = {x ∈ R 4 : x x = 1 }
S 3
q 1 ⊗ q 2 =
η 1 η 2 − 1 2 η 1 2 + η 2 1 + S( 1 ) 2
.
! "
q
!q ¯ =
[η, − ]
q c,a = ¯ q b,a ⊗ q b,c = q a,b ⊗ q b,c .
#$
q q =
η 2 + = 1
R = I ⇔ q = [±1, 0]
q = ±q id
!
% &'(()
C s a = h pv
⎡
⎣
p
r e sin ν 0
− e sin ν p r 0
0 0 pv h
⎤
⎦ ,
)(p = h 2 /μ
*μ
v
!e
!
ν
! $C s a
det( C s a ) = 1 + e 2 + 2e cos(ν),
)+! !
, % - ! *
. !
$*! $
f i = G
j = n
j =1
m i m j
r 3 ij ( r j − r i ), i = j,
!"#!G
r ij
$
r ij := r j − r i .
!"##% & ' !"( !"#!
d 2 r i
dt 2 = G
j = n
j =1
m j
r 3 ij ( r j − r i ), i = j.
!"#()&*!"#( +
d 2 r dt 2 + μ
r 3 r = 0,
!"#,
r := r 2 − r 1
!"#-
μ = G(m 1 + m 2 ),
!"#.
m 1 m 2
"
/+
$ 0
" /
f dl f df
f al f af
1 !"#,0
¨ r l = − μ
r l 3 r l + f dl
m l
+ f al
m l
!"#2
¨ r f = − μ
r f 3 r f + f df
m f
+ f af
m f
.
!"#/ 3 !44#
p = r f − r l = x e r + y e θ + z e h
p ¨ = ¨ r f − ¨ r l = − μ
r 3 f r f + f df
m f
+ f af
m f
+ μ
r l 3 r l − f dl
m l − f al
m l
,
!"(4
m f p ¨ = − m f μ
r l + p (r l + p) 3 − r l
r 3 l
+ f af + f df − m f
m l
( f al + f dl ).
r f = r l + p = (r l + x)e r + ye θ + ze h ,
¨ r f = (¨ r l + ¨ x) e r +2( ˙ r l + ˙ x) ˙ e r +(r l +x)¨ e r + ¨ y e θ +2 ˙ y e ˙ θ +y¨ e θ + ¨ z e h +2 ˙ z e ˙ h +z¨ e h .
!!"
e ˙ r = ˙ νe θ e ¨ r = ¨ νe θ − ν ˙ 2 e r
e ˙ θ = − νe ˙ r e ¨ θ = −¨ νe r − ν ˙ 2 e θ ,
#
e h
e ¨ h = ˙ e h = 0
$%% &$
¨ r f = (¨ r l + ¨ x − 2 ˙ y ν ˙ − ν ˙ 2 (r l +x) − y ν ¨ e r +(¨ y +2 ˙ ν ( ˙ r l + ˙ x)+ ¨ ν(r l +x) − y ν ˙ 2 ) e θ + ¨ z e h .
"'
r l = r l e r ,
(
¨ r l = ¨ r l e r + 2 ˙ r l e ˙ r + r l ¨ e r ,
))
¨ r l = (¨ r l − r l ν ˙ 2 ) e r + (2 ˙ r l ν ˙ + r l ν ¨ ) e θ .
#!* #! + + +
+
p ¨ = ¨ r f − ¨ r l = (¨ x − 2 ˙ y ν ˙ − ν ˙ 2 x − y ν) ¨ e r + (¨ y + 2 ˙ ν x ˙ + ¨ νx − y ν ˙ 2 ) e θ + ¨ z e h .
#* , #! -
!!"
m f p ¨ + C t ( ˙ ν) ˙ p + D t ( ˙ ν, ν, r ¨ f ) p + n t (r l , r f ) = F a + F d ,
#
C t ( ˙ ν ) = 2m f ν ˙
⎡
⎣ 0 − 1 0
1 0 0
0 0 0
⎤
⎦
#
D t ( ˙ ν, ν, r ¨ f ) p = m f
⎡
⎢ ⎣
μ r 3
f − ν ˙ 2 − ν ¨ 0
¨ ν r μ 3
f − ν ˙ 2 0
0 0 r μ 3
f
⎤
⎥ ⎦ p
n t (r l , r f ) = m f μ
⎡
⎣
r l r 3
f − r 1 2 l
0 0
⎤
⎦
F d = f df − m f
m l f dl , F a = f af − m f
m l f al ,
!
R ˙ a b = S ω a a,b
R a b = R a b S ω b a,b
.
"#$%
R i l p = r f − r l ,
%& "
R i l p ¨ + 2R i l S(ω l i,l ) ˙ p + R i l
S 2 (ω l i,l ) + S( ˙ ω l i,l )
p = ¨ r f − ¨ r l .
'( )%*)' '
¨ r f − ¨ r l = − μ
r 3 f r f + f f d
m f
+ f f a
m f
+ μ
r l 3 r l − f ld
m l
− f la
m l
,
!+$% !+,
m f (¨ r f − ¨ r l ) = −m f μ
1 r 3 f − 1
r l 3
r l + R i l p r f 3
+ f f a + f f d − m f
m l (f la + f ld ).
!$- !$ '
m f p ¨ + C t ( ω l i,l ) ˙ p + D t ( ˙ ω l i,l , ω l i,l , r f ) p + n t ( r l , r f ) = F a + F d ,
!
C t ( ω l i,l ) = 2m f S ( ω l i,l )
D t ( ˙ ω l i,l , ω l i,l , r f ) = m f
S 2 (ω l i,l ) + S( ˙ ω l i,l ) + μ r f 3 I
n t ( r l , r f ) = μm f R l i
1 r 3 f − 1
r l 3
r l
!"
F d
F a
F d = R l i
f f d − m f
m l f ld
and F a = R l i
f f a − m f
m l f la
.
f
ω i i,l = S ( r l ) v l / r l r l ,
ω ˙ i i,l = r l r l S ( r l ) a l − 2 v l r l S ( r l ) v l
(r l r l ) 2 ,
!
ω l i,l = R l i ω i i,l
ω ˙ l i,l = R l i [S(ω l i,l ) + ˙ ω i i,l ]
" # $$
%
&'(
) ( ** +,-. **
p b = t
0 v b dt
/ 0!