Vibration Control of Blade Section Based on Sliding Mode PI Tracking Method and OPC Technology

Table 1

The coefficient parameters in the Fourier series model.

Coefficients	CL	CD
a0	0.04848	0.6831
a1	0.09088	−0.7148
b1	0.08605	0.000676
a2	0.02814	0.05465
b2	0.8177	0.00325
a3	−0.009271	0.006466
b3	0.09812	0.0202
a4	−0.01879	0.01664
b4	0.2517	0.006258
a5	−0.004838	0.004552
b5	0.07703	0.02497
a6	−0.007124	−0.01669
b6	0.1567	−0.000389
a7	−0.006955	−0.007571
b7	0.07768	0.01586
a8	−0.01469	−0.0387
b8	0.09463	0.002131
	1.0070	2.0090