Spring 2003 16.61AC3-2 Aircraft Lateral Dynamics Using a procedure similar to the longitudinal case, we can develop the equa tions of motion for the lateral dynamics A r+ Bu,a p, u da and v=r sec Bo os 8o +1N)(+1N)(+N) (IAL 0 tan Bo Ix=(IxxIzz-12x)/Izz IZz=(IxxIxz-I/Ixx Ix/(Is d 0 B 0Spring 2003 16.61 AC 3–2 Aircraft Lateral Dynamics • Using a procedure similar to the longitudinal case, we can develop the equations of motion for the lateral dynamics x˙ = Ax + Bu , x = v p r φ , u = δa δr and ψ˙ = r sec θ0 A = Yv m Yp m Yr m − U0 g cos θ0 (Lv I xx + I zxNv) (Lp I xx + I zxNp) ( Lr I xx + I zxNr) 0 (I zxLv + Nv I zz ) (I zxLp + Np I zz ) (I zxLr + Nr I zz ) 0 0 1 tan θ0 0 where I xx = (IxxIzz − I2 zx)/Izz I zz = (IxxIzz − I2 zx)/Ixx I zx = Izx/(IxxIzz − I2 zx) and B = (m)−1 0 0 0 (I xx)−1 I zx 0 I zx (I zz)−1 000 · Yδa Yδr Lδa Lδr Nδa Nδr 2