Lei Sun 0001 Wei Yin 0003 Meng Wang 0008 Jingtai Liu Position Control for Flexible Joint Robot Based on Online Gravity Compensation With Vibration Suppression. 4840-4848 2018 65 IEEE Trans. Ind. Electron. 6 https://doi.org/10.1109/TIE.2017.2772157 db/journals/tie/tie65.html#SunYWL18