BLDC	Brushless DC
CC	Cloud Computing
CPS	Cyber-Physical Systems
DL	Deep Learning
DM	Data Mining
DT	Decision Trees
DTR	Decision Tree Regression
FC	Fog Computing
HVAC	Heating, Ventilation, and Air-Conditioning
IoS	Internet of Services
IoT	Internet of Things
K-NN	K-Nearest Neighbor
LASSO	Least Absolute Shrinkage and Selection Operator
LSTM	Long Short-Term Memory
LSTM-AE	Long Short-Term Memory Autoencoder
ML	Machine Learning
MLR	Multiple Linear Regression
PdM	Predictive Maintenance
PV	Photovoltaic
PvM	Preventive Maintenance
R2F	Run-to-Failure
RUL	Remaining Useful Life
SBC	Single-Board Computer
SVM	Support Vector Machine
SVMR	Support Vector Machines Regression
UAV	Unmanned Aerial Vehicle
XGBoost	eXtreme Gradient Boosting