Fig. 11

Comparison of errors between RBF impedance and SMC-PID control. (a) Angle tracking error comparison errors of Joint 1, (a) Angle tracking error comparison errors of Joint 2, (c) Angle tracking error comparison errors of Joint 3, (d) Angle tracking error comparison errors of Joint 4, (e) Angle tracking error comparison errors of Joint 5, (f) Angle tracking error comparison errors of Joint 6.