A L₁ Adaptive Control Scheme for UAV Carrier Landing Using Nonlinear Dynamic Inversion

Table 2

Summary of sea state perturbations.

Sea state	Perturbation	Amplitude	Frequency
4	Roll	0.6223 deg	0.2856 rad/sec
	Pitch	0.5162 deg	0.5236 rad/sec
	Surge	0.9546 ft	0.3307 rad/sec
	Sway	1.4142 ft	0.3307 rad/sec
	Heave	2.2274 ft	0.3491 rad/sec
5	Roll	0.9829 deg	0.2856 rad/sec
	Pitch	0.8202 deg	0.5236 rad/sec
	Surge	1.5203 ft	0.3307 rad/sec
	Sway	2.2627 ft	0.3307 rad/sec
	Heave	3.5638 ft	0.3491 rad/sec
6	Roll	1.4425 deg	0.2856 rad/sec
	Pitch	1.2374 deg	0.5236 rad/sec
	Surge	2.2840 ft	0.3307 rad/sec
	Sway	3.3941 ft	0.3307 rad/sec
	Heave	5.3528 ft	0.3491 rad/sec