Hydraulic actuator circuit fault detection using extended Kalman filter. - L. An; Nariman Sepehri (ACC, 2003)

Leakage fault identification in a hydraulic positioning system using extended Kalman filter. - L. An; Nariman Sepehri (ACC, 2004)

Hydraulic actuator leakage quantification scheme using extended Kalman filter and sequential test method. - L. An; N. Sepehri (ACC, 2006)