ADC	analog-to-digital converter
BLDC	brushless direct-current motor
CYCCNT	Data Watchpoint and Trace Cycle Count Register
(D)FOPDT	(discrete) first-order plus dead time
(D)NIOPDT	(discrete) non-integer-order plus dead time
(D)SOPDT	(discrete) second-order plus dead time
FIR	finite impulse response
FO	fractional-order
FOC	fractional-order calculus
FOTF	fractional-order transfer function
FPU	floating-point unit
GL	Grünwald-Letnikov
IAE	integral absolute error
IIR	infinite impulse response
IO	integer-order
ISE	integral square error
ISR	interrupt service routine
MaxAPE	maximum absolute percentage error
MCU	microcontroller unit
ORA	Oustaloup Recursive Approximation
SIMD	Single Instruction Multiple Data
SMP	Short Memory Principle
UAV	unmanned aerial vehicle
(V)FOPID	(variable) fractional-order proportional-integral-derivative controller