Robust Position Control of PMSM Using Fractional-Order Sliding Mode Controller

Table 2

Controller Performance.

Controller Type	Δ𝑒	|Δ𝑒|^2
SMC	0.8766	0.2899
FOSMC
𝜇=0.35	575.6	90180
𝜇=0.4	351.9	34470
𝜇=0.45	0.4186	0.0669
𝜇=0.5	0.2695	0.0413
𝜇=0.55	0.3014	0.0409
𝜇=0.6	0.328	0.0463
𝜇=0.65	0.363	0.0549
𝜇=0.7	0.4057	0.0675
𝜇=0.75	0.4575	0.085
𝜇=0.8	0.517	0.1078
𝜇=0.85	0.5895	0.1384
𝜇=0.9	0.6738	0.1781
𝜇=0.95	0.7716	0.2292
𝜇=0.99	0.8492	0.2745