BOA	Butterfly optimization algorithm
SSA	Salp swarm algorithm
FA	Firefly algorithm
ABC	Artificial bee colony
PSO	Particle swarm optimization
KHA	Krill herd algorithm
CS	Cuckoo search
FFNN	Feed-forward neural network
ANN	Artificial neural network
GOA	Grasshopper optimization algorithm
ANFIS	Adaptive Network Fuzzy Inference System
DA	Dragonfly algorithm
SHO	Selfish herd optimizer
TSA	Tunicate swarm algorithm
TSO	Tuna swarm optimization
CSO	Chicken swarm optimization
MPP	Maximum power point
MPPT	Maximum power point tracking
PV	Photovoltaic
P&O	Perturb and observe
INC	Incremental Conductance
PID	Proportional Integral Derivative
FLC	Fuzzy Logic Control
PS	Photovoltaic System
SGO	Social group optimization
SMO	Slime mould optimization
RNNs	Recurrent neural networks
ACO	Ant colony optimization
RBFN	Radial basis function network