FEEDBACK NULL CONTROLLABILITY IN MINIMUM TIME FOR NONLINEAR SYSTEMS

Dedicated to the memory of Professor Mihail Megan

 

Ovidiu Cârjă†, Alina I. Lazu‡

Abstract: For a nonlinear control system, by considering appropriate feedback laws, we prove results on null controllability and regularity of the minimum time function.

Keywords: feedback control, null controllability, minimum time function, nonlinear control system.

MSC: 93B52, 93B05.

DOI  10.56082/annalsarscimath.2026.3.37

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*Accepted for publication on February 16, 2026
†ocarja@uaic.ro, Octav Mayer Mathematics Institute, Romanian Academy, Iași 700505, Romania
‡vieru_alina@yahoo.com, Department of Mathematics, Gheorghe Asachi Technical University, Iași 700506, Romania

PUBLISHED in

Annals Academy of Romanian Scientists Series on Mathematics and Its Application,

Volume 18 no 3, 2026

ISSN ONLINE 2066 – 6594
ISSN PRINT 2066 – 5997