TY - RPRT TI - Passivity Analysis of Quadrotor Aircraft for Physical Interactions. AU - Slightam, Jonathon AU - McArthur, Daniel AU - Spencer, Steven AU - Buerger, Stephen PY - 2021 DO - 10.2172/1890596 UR - https://www.osti.gov/biblio/1890596 ID - 1890596 ER -