AHRS	Attitude and Heading Reference System
AMRs	Autonomous mobile robots
ANFIS	Adaptive Neuro Fuzzy Interface
CNC	Computer numerical control
DKF	Decentralized Kalman filter
EKF	Extended Kalman filter
GTA	Gas tungsten arc
GNSS	Global Navigation Satellite System
IoT	Industrial Internet of Things
IMUs	Inertial measurement units
IR	Infra-red
KF	Kalman filter
LiDAR	Light detection and ranging
LSTM	Long short-term memory
MIMUs	Magnetic and inertial measurement units
µSCM	Micro search-coil magnetometer
MEMS	Microelectromechanical system
HES	Micro-Hall-effect sensor
MDS	Multidimensional Scaling
PDR	Pedestrian dead reckoning
PCA	Principal Component Analysis
RF	Radio frequency
ROS	Robot Operating System
SFAs	Sensor fusion algorithms
SLAM	Simultaneous localization and mapping
UWB	Ultra-Wideband Positioning
UKF	Unscented Kalman filter
UFO	Untethered Floating Object
VFHs	Vector field maps
WMR	Wheeled mobile robot