Design of a Fixed-Wing UAV Controller Combined Fuzzy Adaptive Method and Sliding Mode Control

Table 6

Airspeed controller performance indexes.

Items	SM	FSM without f and	FSM with f and
Steady time (s)	0.35	1.1	3.2
Steady error (m/s)	−0.03	−0.02	0.15
Overshoot (m/s)	0	0	7.2