Design of Second-Order Sliding Mode Guidance Law Based on the Nonhomogeneous Disturbance Observer

Table 2

miss distances and flight times.

	Cosine; maneuvering		Step; maneuvering
FSMG	0.528 m	18.304 (s)	0.857 m	17.290 (s)
VDSMG	1000.3 m	18.166 (s)	445.11 m	17.985 (s)
FNTSMG	0.127 m	18.305 (s)	0.312 m	17.285 (s)