A NEW OPERATION PRINCIPLE OF SYSTEM THAT COMBINES PHASE-CONTROLLED ACTUATOR WITH DIFFERENT DRIVE FREQUENCIES. International Journal of Geomate, [S. l.], v. 29, n. 136, p. 121–130, 2025. Disponível em: https://geomatejournal.com/geomate/article/view/5412. Acesso em: 13 oct. 2026.