Direct liquid cooling in low-power electrical machines : proof-of-conceptLindh, Pia; Petrov, Ilya; Semken, R. Scott; Vaimann, Toomas; Kallaste, AntsIEEE transactions on energy conversion2016 / p. 1257-1266 : ill https://doi.org/10.1109/TEC.2016.2597059 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Optimal control of Lossy energy storage systems with nonlinear efficiency based on dynamic programming and Pontryagin's minimum principleChowdhury, Nilanjan Roy; Ofir, Ron; Zargari, Noa; Baimel, Dmitry; Belikov, Juri; Levron, YoashIEEE transactions on energy conversion2021 / p. 524-533 https://doi.org/10.1109/TEC.2020.3004191 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS