ABENICS: Active Ball Joint Mechanism With Three-DoF Based on Spherical Gear Meshings Kazuki Abe, Kenjiro Tadakuma, Riichiro Tadakuma 巻 37 号 5 開始ページ 1806 終了ページ 1825 記述言語 掲載種別 研究論文(学術雑誌) DOI 10.1109/TRO.2021.3070124 This article presents an active ball joint mechanism (ABENICS) enhanced by interactions of spherical gears. The gear-based joint drives three rotational degrees of freedom (RDoF) without