In the literature of adaptive-neural control, neural networks have been utilized as online approximators for approximating unknown nonlinear functions. Considerable adaptive-neural controllers for left; MARGIN: 0in 0in 0pt; unicode-bidi: embed; DIRECTION: ltr" align=left Keywords Strict-feedback nonlinear systems, Adaptive-neural control, Wavelet network, Dynamic Surface Control, Unknown time delay, Actuator failure.