1. Flexible joint robots;Readman,1994
2. Robot modeling and control;Spong,2006
3. Robotics: modelling, planning and control;Siciliano,2009
4. Extended-state observer-based control of flexible-joint system with experimental validation;Talole;IEEE Trans Ind Electron,2010
5. A survey on the control of flexible joint robots;Ozgoli;Asian J Control,2006