Asymptotic behaviour in the robot rendezvous problem

• Autores: Lassi Paunonen, David Seifert
• Localización: Automatica: A journal of IFAC the International Federation of Automatic Control, ISSN 0005-1098, Vol. 79, 2017, págs. 127-130
• Idioma: inglés
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• Resumen

  • Abstract This paper presents a natural extension of the results obtained by Feintuch and Francis in (2012a,b) concerning the so-called robot rendezvous problem. In particular, we revisit a known necessary and sufficient condition for convergence of the solution in terms of Cesàro convergence of the translates S k x 0 , k ≥ 0 , of the sequence x 0 of initial positions under the right-shift operator S , thus shedding new light on questions left open in Feintuch and Francis (2012a,b). We then present a new proof showing that a certain stronger ergodic condition on x 0 ensures that the corresponding solution converges to its limit at the optimal rate O ( t − 1 / 2 ) as t → ∞ . After considering a natural two-sided variant of the robot rendezvous problem already studied in Feintuch and Francis (2012a) and in particular proving a new quantified result in this case, we conclude by relating the robot rendezvous problem to a more realistic model of vehicle platoons.