Research Article
[Retracted] Robust LQR-Based Neural-Fuzzy Tracking Control for a Lower Limb Exoskeleton System with Parametric Uncertainties and External Disturbances
Figure 9
Position tracking error for ERL-SM and RLQR-NF control schemes with nominal mass values. (a) -direction. (b) -direction.
(a) |
(b) |