5FIERRO R, LEWIS F L. Control of a nonholonomic mobile Robot: backstepping kinematics into dynamics[J]. Journal of Robotic Systems, 1997, 14(3): 149- 163.
6JIANG Z P, NIJMEIJER H. Tracking control of mobile robots: a case study in backstepping[J]. Automatica, 1997, 33(7): 1393 - 1399.
7YANG J M, KIM J H. Sliding mode control for trajectory of nonholonomic wheeled mobile robots[J]. IEEE Transactions on Robotics and Automation, 1999, 15(3): 578- 587.
8YILDIRIM S. Adaptive robust neural controller for robots[J]. Robotics and Autonomous Systems, 2004, 46(3): 175 - 184.
9SANNER R M, SLOTINE J E. Gaussian networks for direct adaptive control[J]. IEEE Transactions on Neural Networks, 1992, 3(6): 837 - 863.
10LORIA A, PANTELEY E. Uniform exponential stability of linear time-varying systems: revisited[J]. Systems & Control Letters, 2002, 47(1): 13 - 24.