Second-Order Sliding Mode Guidance Law considering Second-Order Dynamics of Autopilot

Table 1

Simulation results of attack time, miss distance, and terminal LOS angle error.

Target movement	Guidance law	Attack time (s)	Miss distance (m)	terminal LOS angle error (deg)
uniform motion	ASMG	30.51	5.98	1.6
	NTSMG	30.91	6.65	2.3
	SOSMG	26.76	1.66	0.5
	SODSMG	26.75	0.22	0.05
circular maneuver	ASMG	23.05	4.19	2.1
	NTSMG	23.58	7.32	5.6
	SOSMG	21.23	2.36	1.5
	SODSMG	21.21	0.73	0.08
sinusoidal maneuver	ASMG	29.40	4.72	1.5
	NTSMG	29.79	7.54	3.2
	SOSMG	25.82	1.94	0.8
	SODSMG	25.81	0.46	0.07