%0 Journal Article %T Trajectory Tracking Control for Flexible-Joint Robot Based on Extended Kalman Filter and PD Control %A Ma, Tianyu %A Song, Zhibin %A Xiang, Zhongxia %A Dai, Jian S. %J Frontiers in Neurorobotics %V 13 %@ 1662-5218 %D 2019-05-24 %I Frontiers Media S.A. %~ DeepDyve