Research Article

Simultaneous Load Identification Method Based on Hybrid Features and Genetic Algorithm for Nonintrusive Load Monitoring

Table 6

Power and relative error by different fitness function.

No.FWF-GARe-GACo-GA
Power (W, Var)Relative errorPower (W, Var)Relative errorPower (W, Var)Relative error

1[64.96, 12.82][0.0533, 0.0832][64.96, 12.82][0.0533, 0.0832][64.96, 12.82][0.0533, 0.0832]
2[389.79, 14.98][0.1958, 0.0154][389.79, 14.98][0.1958, 0.0154][463.16, 4.97][0.0444, 0.4598]
3[531.37, 42.71][0.0268, 0.059][531.37, 42.71][0.0268, 0.059][507.17, 35.92][0.0200, 0.1093]
4[727.98, 68.53][0.0024, 0.3316][727.98, 68.53][0.0024, 0.3316][727.98, 68.53][0.0024, 0.3316]
5[784.81, 284.64][0.0022, 0.3108][784.81, 284.64][0.0022, 0.3108][784.81, 284.64][0.0022, 0.3108]
6[572.11, 43.33][0.3509, 0.0306][572.11, 43.33][0.3509, 0.0306][885.34, 50.87][0.0045, 0.2100]
7[1483.63, 51.61][0.0013, 0.2265][1459.43, 44.82][0.0176, 0.0651][1483.63, 51.61][0.0013, 0.2265]
8[1846.03, 45.35][0.0201, 0.1410][1846.03, 45.35][0.0201, 0.1410][1870.23, 52.14][0.0072, 0.3118]