A Firework-Based GMPPT with Variable Sampling Time for PV Systems

Table 1

Comparison results of the proposed method with previous works.

GMPPT algorithm	PV power (W)	Tracking speed (S)	Steady-state efficiency (%)
P&O [25]	34.8	1.38	79.6
Fixed-step INC [26]	148.5	0.55	94.4
PSO [25]	34.8	7.88	100
Combined PSO and P&O [25]	30.6	3.15	99.9
Random search [27]	22.2	2.94	100
Continuous GA [28]	40502.4	2.82	100
Flashing fireflies [29]	66.6	1.96	99.9
Cuckoo search [30]	87.5	1.20	99.9
Improved cuckoo search [30]	87.5	0.88	99.9
Flower pollination [31]	113.1	0.47	99.8
Fuzzy logic [26]	157.3	0.42	98
The proposed method fixed -pattern 1	48.8	0.18	100
The proposed method variable -pattern 1	48.8	0.24	100
The proposed method fixed -pattern 2	60.3	0.16	100
The proposed method variable -pattern 2	60.3	0.27	100
The proposed method fixed -pattern 3	32.2	0.19	100
The proposed method variable -pattern 3	32.2	0.27	100
The proposed method fixed -pattern 4	38.4	0.17	100
The proposed method variable -pattern 4	38.4	0.25	100