Research Article

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

Table 4

Two-dimensional RMS circular contouring errors of the XY parallel manipulator characterized with FFT ADC system.

Amplitude (in μm)Frequency
0.25 Hz0.5 Hz
60°90°60°90°
SD (in μm)RMS (in μm)SD (in μm)RMS (in μm)SD (in μm)RMS (in μm)SD (in μm)RMS (in μm)

901.68762.40993.13864.34572.89044.19733.66375.2480
1102.19923.29134.00125.85612.99404.55044.23296.1214
1302.76654.29164.93667.56283.20695.01944.97767.1812