SNU-Avatar Haptic Arm: A Hybrid QDD/DD Operator Interface for Teleoperation. - Eunho Sung; Seungbin You; Jaeyong Shin; Suhan Park; Sung-moon Hur; Jaehun Kim; Seunghwan Byun; Chaiyong Mun; Haeseong Lee; Dongjun Kim; Jaeheung Park (IEEE Access, 2026)