ADAPTIVE NON-LINEAR VOLTAGE CONTROLLER BASED MULTIVARIABLE SLIDING MODE EXTREMUM SEEKING APPROACH APPLIED TO MULTI-MACHINE POWER SYSTEM. REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE, [S. l.], v. 67, n. 1, p. 65–72, 2022. DOI: 10.59277/. Disponível em: https://journal.iem.pub.ro/rrst-ee/article/view/41.. Acesso em: 6 may. 2024.