1. C. C. de Wit and H. Khennouf, “Quasi continuous stabilizing controllers for nonholonomic systems: Design and robustness consideration,” Proc. of European Control Conf., Rome, Italy, pp. 2207–2212, 1995.
2. J. Guldner and V. I. Utkin, “Stabilization of nonholonomic mobile robots using Lyapunov functions for navigation and sliding mode control,” Proc. of the IEEE Conf. Decision and Control, Lake Buena Vista, FL, pp. 2967–2972, December 1994.
3. Z. P. Jiang and J.-B. Pomet, “Combining backstepping and time-varying techniques for a new set of adaptive controllers,” Proc. of the IEEE Conf. Decision and Control, Lake Buena Vista, FL, pp. 2207–2212, December 1994.
4. T. Hamel and D. Meizel, “Robust control laws for wheeled mobile robots,” International Journal of System Science, vol. 27, no. 8, pp. 695–704, 1996.
5. L. E. Aguilar, T. Hamel, and P. Soueres, “Robust path following control for wheeled robots via sliding mode techniques,” Proc. of the IEEE/RSJ Conf. Intelligent Robots and Systems, vol. 3, pp. 1389–1395, September 1997.