1. Friction compensation in robotics: an overview;Bona,2005
2. Motor-current-based estimation of cartesian contact forces and torques for robotic manipulators and its application to force control;Wahrburg;IEEE Trans. Autom. Sci. Eng.,2018
3. Sensorless friction-compensated passive lead-through programming for industrial robots;Stolt,2015
4. Sensorless kinesthetic teaching of robotic manipulators assisted by observer-based force control;Capurso,2017
5. Collision detection and safe reaction with the DLR-III lightweight manipulator arm;Luca,2006