Fig 1.
Unshaded and shaded PV array.
Fig 2.
Social interaction for varying (a) l, (b) f in distance range [0, 1].
Fig 3.
Flow chart of the proposed IGOA.
Fig 4.
Block diagram of the Simulink model.
Fig 5.
PV Characteristics curves under shaded and unshaded conditions.
Table 1.
Irradiance level on each PV module (W/m2) and GMPP.
Table 2.
Simulink results comparison of SITs.
Fig 6.
(a) Output powers for the 4P6S setup, (b) duty ratios for the 4P6S setup.
Fig 7.
(a) output powers for the 5P6S setup and (b) duty ratios for the 5P6S setup.
Fig 8.
(a) Output powers for 6P6S setup, (b) duty ratios for 6P6S setup.
Fig 9.
(a) output powers for 1P6S setup and (b) duty ratios for 1P6S setup.
Table 3.
Parameters of the algorithms.
Fig 10.
(a) RE, MAE, RMSE for 5P6S setup and (b) standard deviation.
Table 4.
Comparison of proposed IGOA with published research work.
Fig 11.
(a) Comparison with ISSAPSO [29], (b) GOA [35], (c) case 2 of [30] and (d) case 3 of [30].