2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/19643The paper presents a model for low friction made up of a self-excited oscillator sliding along a periodic potential. It is shown that if the self-excitation affects a body sliding tangentially to a surface, than stick-slip modification and reduction of energy dissipation during the motion are observed.Materials Sciencetext