MPPT Maximum power point trackers 6 Particle swarm optimization (PSO) 4 Condition 3 Global optimization 3 Partial shading 3 Partial shading condition 3 Photovoltaic arrays 3 Photovoltaic systems 3 Solar cells 3 Cuckoo search algorithms 2 DC-DC converters 2 Electric control equipment 2 Electric power system control 2 Hardware in loop 2 Heuristics algorithm 2 Hybrid CSA-PID 2 Hybrid cuckoo search algorithm-PID 2 Maximum Power Point Tracking 2 PID controllers 2 Photovoltaic 2 Photovoltaic effects 2 Photovoltaics 2 Power 2 Proportional control systems 2 Real time control 2 Solar panels 2 Three term control systems 2 hardware-in-loop 2 heuristics algorithms 2