Output fractional-order sliding modes for structural energy shaping: application to robust brushless DC (BLDC) traction systems. - Rodriguez-Mata, Abraham Efraim; Gonzalez-Huitron, Victor Alejandro; Flores-Colunga, Gerardo; Lozoya-Ponce, Ricardo; Acosta Cano de los Rios, Pedro; Beltran-Gomez, Oscar (Frontiers in Control Engineering, 2026)