Adaptive systems, lack of persistency of excitation and bursting phenomena

The paper considers four algorithms arising in the parameters correctly, but can exhibit a bursting adaptive systems problems, equation error identification, output phenomenon, lts output can, as a result of noise, error identification, reference trajectory following and adaptive ole oositionine Theoretical exn~anation hacked hv nonlinearities, round-off errors and so on, exhibit . . ~~~~~~~~ ~ ~ ~ r ~ ~ ~ ~ ~ ~ . ~ ..., .-.... -r -, simulations,isoferedforthephenomenonofburstsofoscillatory periods (bursts) of unstable, possibly oscillatory, behaviour in the presence of excitations which are not behaviour between quiescent periods, (since trajeo persistently exciting tories are not actuallv unbounded. a ourist would