[2] XU B, PAN Y P, WANG D W, et al.Discrete-time high speed vehicle control based on extreme learning machine［J］.Neurocomputing, 2014, 128:232-241.

[6] KACHROO P.Existence of solutions to a class of nonlinear convergent chattering-free sliding mode control systems［J］．IEEE Transactions on Automatic Control, 1999, 44(8):1620-1624.

[7] CHEN S Y, LIN F J．Robust nonsingular terminal sliding mode control for nonlinear magnetic bearing system［J］．IEEE Transactions on Control Systems Technology, 2011, 19(3):636-643.

[9] WANG Y M, FENG Y, YU X H.Higher-order nonsingular terminal sliding mode control of uncertain multivariable systems［C］//The 33rd Annual Conference of the IEEE Industrial Electronics Society, 2007:710-714.

[11] FU J, WU Q X, CHEN W H, et al.Chattering-free condition for sliding mode control with unidirectional auxiliary surfaces［J］.Transactions of the Institute of Measurement and Control, 2013, 35(5):593-605.