TY - JOUR AU - Kazemzadeh, Nasser AU - Barghandan, Saeed TI - Using Tracking Differentiators in Designing Nonlinear Disturbance Observers for Uncertain Systems JO - journal of Artificial Intelligence in Electrical Engineering VL - 5 IS - 19 SP - 1 EP - 9 PY - 2016 DO - ER -