In this correspondence, Nussbaum gains (1983) are introduced in the backstepping design to obtain adaptive controllers for systems with unknown high-frequency gain. Two kinds of modified backstepping control design schemes are developed. It is shown that both schemes can give asymptotic tracking.
No takes yet. Share an insight, caveat, or question.
Zhang et al. (2000) studied this question.
Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context: