Antonio Loría, Elena Panteley, Andrew R. Teel. A new notion of persistency-of-excitation for UGAS of NLTV systems: Application to stabilisation of nonholonomic systems. In 5th European Control Conference, ECC 1999, Karlsruhe, Germany, August 31 - September 3, 1999. pages 1363-1368, IEEE, 1999. [doi]
Abstract is missing.