Research Article

On Synergistic Integration of Adaptive Dithering Based Internal Model Control for Hysteresis Compensation in Piezoactuated Nanopositioner

Table 8

Variation of tracking error with addition of measurement noise (sensor noise).

NoiseFF + FBFFT + IMC

37.052 nm30.199 nm
36.706 nm30.235 nm
37.913 nm30.026 nm
37.689 nm30.163 nm
36.753 nm30.028 nm
Variation range1.207 nm0.209 nm