Optimal Parameter Selection for Support Vector Machine Based on Artificial Bee Colony Algorithm: A Case Study of Grid-Connected PV System Power Prediction

Table 1

Comparisons of predicted results using three models about output power data of August 30 and 31.

Number	Observed value (kW)	EMD-ABC-SVM (kW)	EMD-SVM (kW)	SVM (kW)
1	0.0683	0.0696	0.0657	0.0757
2	0.1382	0.1420	0.1317	0.1555
3	0.6275	0.6243	0.6521	0.5683
4	1.3239	1.2890	1.3952	1.1614
5	1.8403	1.8726	1.7653	1.9942
6	2.4590	2.5307	2.5803	2.6949
7	3.0621	3.1141	3.2043	2.6729
8	3.5830	3.5301	3.4405	3.9371
9	4.1412	4.1757	3.9426	4.5710
10	4.1223	4.0149	4.0081	4.4794
11	4.5165	4.4380	4.6674	4.8161
12	4.9385	5.0365	4.7940	5.3263
13	5.7823	5.8514	6.0638	6.0453
14	6.1282	6.0760	6.3411	5.6505
15	5.9762	6.0834	5.7404	5.7478
16	7.0898	7.1569	6.7795	6.4695
17	6.8198	6.8784	7.2080	7.3588
18	6.8953	7.0247	7.0808	7.5045
19	7.0273	7.1157	6.6779	6.6845
20	7.3684	7.4928	7.1133	6.9091
21	7.1951	7.1152	7.4001	6.8981
22	7.4464	7.3458	7.2335	7.2037
23	7.5219	7.6221	7.8194	7.7988
24	7.3848	7.2940	7.1768	7.1231
25	7.1722	7.0326	7.4188	7.5909
26	7.1411	7.0819	6.9770	7.3482
27	6.9242	6.9742	7.2109	7.2068
28	6.6868	6.7990	6.8926	6.4834
29	6.6450	6.6780	6.4818	6.5732
30	6.7188	6.5734	6.5100	6.2542
31	6.2262	6.1659	6.3334	5.8241
32	5.8366	5.9725	6.1233	6.1434
33	5.8367	5.7635	5.6231	5.3474
34	5.2529	5.1492	5.3918	5.6716
35	4.8899	4.9357	4.6674	4.5165
36	4.5304	4.4036	4.7096	4.9729
37	4.0192	4.1235	4.2186	4.4935
38	3.4722	3.5371	3.3074	3.6159
39	3.0201	3.0917	3.1672	3.3319
40	2.5275	2.4921	2.6674	2.2997
41	1.9505	1.8951	1.8598	1.7173
42	1.3713	1.3998	1.4510	1.2572
43	0.8438	0.8691	0.8766	0.9380
44	0.2911	0.2892	0.2753	0.3263
45	0.0710	0.0719	0.0689	0.0649
46	0.1209	0.1186	0.1150	0.1055
47	0.4057	0.3958	0.4239	0.3581
48	0.9364	0.9579	0.9669	0.8624
49	1.4869	1.4462	1.5598	1.6322
50	2.0503	1.9971	2.0131	1.8001
51	2.5964	2.5070	2.6832	2.2883
52	3.0432	3.0052	2.9090	2.8849
53	3.5690	3.6520	3.5014	3.9870
54	4.1105	4.1658	3.9154	4.4732
55	4.5235	4.4440	4.7406	4.0573
56	4.9307	4.8474	4.6929	5.3496
57	5.3317	5.3907	5.1662	4.9708
58	5.5464	5.4451	5.3218	5.8648
59	5.8247	5.9263	5.6195	6.1471
60	6.0815	6.1966	5.8291	6.4295
61	6.2005	6.1257	6.4180	5.7553
62	6.4994	6.4375	6.8183	6.8420
63	6.3893	6.2739	6.7277	6.0532
64	6.5374	6.6386	6.8621	6.0958
65	7.2982	7.1788	7.0188	7.6870
66	7.1500	7.2463	7.3755	6.7295
67	7.1444	7.0291	6.8737	6.6131
68	7.1668	7.2924	7.3184	7.5403
69	7.1329	7.0655	6.9848	7.6720
70	6.9410	6.8737	6.6731	7.3374
71	6.8850	7.0130	7.1719	6.3297
72	6.6407	6.7612	6.9030	6.1948
73	6.3970	6.2742	6.6972	6.1108
74	6.1954	6.2463	5.9181	5.7215
75	5.8939	5.8214	6.1064	6.1097
76	5.6886	5.5888	5.5214	5.2973
77	5.2085	5.2400	4.9992	4.7936
78	4.7334	4.8256	4.8872	4.4592
79	4.3456	4.3096	4.5047	4.1997
80	3.7633	3.8380	3.9432	3.4130
81	3.3305	3.2800	3.4314	3.5489
82	2.8878	2.8068	3.0318	3.2491
83	2.3862	2.4197	2.2780	2.1935
84	1.8173	1.8728	1.8669	1.5836
85	1.3833	1.4221	1.3180	1.5195
86	0.9191	0.9363	0.9614	1.0168
87	0.4481	0.4326	0.4613	0.4160
88	0.1267	0.1237	0.1320	0.1121