[Retracted] Robust LQR-Based Neural-Fuzzy Tracking Control for a Lower Limb Exoskeleton System with Parametric Uncertainties and External Disturbances

Table 3

Operating range of the error in state variables.

Variables in the error vector	Minimum value	Maximum value	Units
	-60	60	Degree
	-60	60	Degree
	-30	30	Degree
	-90	90	Degree/sec
	-90	90	Degree/sec
	-60	60	Degree/sec