AI	artificial intelligence
EFPI	extrinsic Fabry–Perot interferometer
FOCS	fiber optic current sensor
FOVT	Fiber optic voltage transformer
HGA	high-gain approach
LGA	low-gain approach
LMI	linear matrix inequality
LPF	low-pass filter
PDC	parallel-distributed compensation
PGC	phase-generated carrier
PID	proportional–integral–derivative
PSHS	parallel subsystem of hardware simulation
SHF	Structural Health Monitoring
T-S	Takagi–Sugeno
VS/SM	variable structure and sliding modes
WLI	white light interferometry