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Thesis - Leigh Moody.pdf - Bad Request - Cranfield University

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Chapter 5 / Missile State Observer<br />

_ _<br />

The variation in the body acceleration with respect to the linear states,<br />

&<br />

ML<br />

1 B ZA<br />

B A<br />

( 03x<br />

2 , mm<br />

⋅ ∂ Fm<br />

∂ Pm<br />

M ∂ &P<br />

&<br />

o,<br />

m ∂ P&<br />

m M 03x3<br />

)<br />

B<br />

∂ Po,<br />

m<br />

−<br />

∂ X<br />

m<br />

−1<br />

m<br />

: =<br />

B<br />

m<br />

A<br />

m<br />

∂ F<br />

⋅<br />

∂ P&<br />

−<br />

5-24<br />

Equation 5.9-19<br />

B 123 B B 456 B B 789 B<br />

( ω × ϕ , ω × ϕ , ω × ϕ )<br />

A,<br />

B<br />

∂ P&<br />

&<br />

B<br />

o,<br />

m<br />

A<br />

∂ P&<br />

A<br />

m<br />

A,<br />

B<br />

: =<br />

A<br />

A,<br />

B<br />

A<br />

Equation 5.9-20<br />

The linear acceleration innovations are apportioned to the angular states,<br />

∂ &P<br />

&<br />

∂ X<br />

∂ P&<br />

&<br />

∂ Q<br />

∂ P&<br />

&<br />

YB<br />

o,<br />

m<br />

B<br />

A<br />

∂ Q<br />

ZB<br />

o,<br />

m<br />

B<br />

A<br />

B<br />

o,<br />

m<br />

MA<br />

: =<br />

XB<br />

o,<br />

m<br />

⎛<br />

⎜ ⎛<br />

⎜<br />

⎜ ⎜<br />

⎝ ⎝<br />

B<br />

A<br />

∂ &P<br />

&<br />

m<br />

∂ Q<br />

XA<br />

B<br />

A<br />

,<br />

∂ &P<br />

&<br />

m<br />

∂ Q<br />

YA<br />

B<br />

A<br />

ZA<br />

m<br />

,<br />

∂ &P<br />

&<br />

m<br />

∂ Q<br />

ZA<br />

B<br />

A<br />

⎞<br />

⎟<br />

⎠<br />

T<br />

M<br />

[ ] ⎟ ⎟<br />

⎞<br />

B<br />

P&<br />

o,<br />

m × M 03x3<br />

⎠<br />

Equation 5.9-21<br />

( ) T<br />

− q , q , q , q<br />

∂ P ∂ Q : = − 2 ⋅ g ⋅<br />

−<br />

&<br />

: =<br />

: =<br />

⎛<br />

⎜<br />

⎜<br />

2 ⋅ ⎜<br />

⎜<br />

⎝<br />

⎛<br />

⎜<br />

⎜<br />

2 ⋅ ⎜<br />

⎜<br />

⎝<br />

ZB ( ω + y )<br />

A,<br />

B<br />

v<br />

YB ( z − ω )<br />

w<br />

A,<br />

B<br />

⎛ − q0<br />

⎜<br />

⎜ − q1<br />

⋅ ⎜ q2<br />

⎜<br />

⎝ q3<br />

⎛ q0<br />

⎜<br />

⎜ q1<br />

⋅ ⎜ − q<br />

⎜<br />

⎝ − q<br />

2<br />

3<br />

q<br />

q<br />

q<br />

q<br />

2<br />

q<br />

q<br />

q<br />

q<br />

3<br />

2<br />

1<br />

0<br />

3<br />

2<br />

1<br />

0<br />

− q<br />

q3<br />

− q<br />

q<br />

− q<br />

q3<br />

− q<br />

q<br />

1<br />

2<br />

0<br />

1<br />

3<br />

2<br />

0<br />

⎞<br />

⎟<br />

⎟<br />

⎟ ⋅ P&<br />

⎟<br />

⎠<br />

⎞<br />

⎟<br />

⎟<br />

⎟ ⋅ P&<br />

⎟<br />

⎠<br />

A<br />

o,<br />

m<br />

A<br />

o,<br />

m<br />

0<br />

1<br />

Equation 5.9-22<br />

− g<br />

− g<br />

ZA<br />

m<br />

⎛ q<br />

⎜<br />

⎜ q<br />

⋅ ⎜ q<br />

⎜<br />

⎝ q<br />

1<br />

0<br />

3<br />

2<br />

T<br />

⎞ ⎞<br />

⎟ ⎟<br />

⎟ ⎟<br />

⎟ ⎟<br />

⎟ ⎟<br />

⎟ ⎟<br />

⎠ ⎠<br />

Equation 5.9-23<br />

ZA<br />

m<br />

⎛ q0<br />

⎜<br />

⎜ q1<br />

⋅ ⎜ − q<br />

⎜<br />

⎝ q3<br />

2<br />

T<br />

⎞ ⎞<br />

⎟ ⎟<br />

⎟ ⎟<br />

⎟ ⎟<br />

⎟ ⎟<br />

⎟ ⎟<br />

⎠ ⎠<br />

Equation 5.9-24<br />

The variation in thrust, drag, and normalised aerodynamic lateral force<br />

derivatives with respect to the linear missile states,

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