Abstract: Nonlinearities and unknown disturbances are widely present in mechanical systems. This study investigates an improved nonlinear extended disturbance observer and its application in ...
Abstract: We propose a one-millimeter-scale linear ultrasonic motor and its feedback control system with a Hall sensor. The size of the stator measures 1.6 mm in height, 1.6 mm in width, and 0.3 mm in ...