Discrete time robust load disturbance torque estimator for a DC motor drive system. - Huijie Qian; Danny Grignion; Xiang Chen 011; Narayan Kar (CCA, 2012)

Robust Load Disturbance Torque Estimation for a DC Motor Drive System. - Danny Grignion; Xiang Chen 011; Yonghong Tan 001; Huijie Qian; Narayan Kar (ROCOND, 2012)

Estimation of Load Disturbance Torque for DC Motor Drive Systems Under Robustness and Sensitivity Consideration. - Danny Grignion; Xiang Chen 011; Narayan Kar; Huijie Qian (IEEE Trans. Ind. Electron., 2014)