Optimization Design of Wind Turbine Blade Based on an Improved Particle Swarm Optimization Algorithm Combined with Non-Gaussian Distribution

Table 3

Statistical analysis of errors by different methods.

Time step	Traditional PSO		Non-Gaussian PSO
	Average value	Mean-square deviation	Average value	Mean-square deviation
20	8.67e−1	2.5e−1	4.35e−3	3.43e−3
40	6.45e−1	3.23e−1	5.34e−5	3.76e−5
50	6.11e−1	8.23e−2	1.23e−5	6.45e−6
60	3.25e−1	5.23e−2	5.45e−6	9.45e−7
70	2.23e−1	6.34e-2	4.76e−7	1.23e−7