Ralph Joseph

The stability of nonlinear PID control with arbitrary partial-state knowledge

Brian S. R. Armstrong, Bruce A. Wade, José A. Gutierrez, 2002, Proceedings 2002 IEEE International Conference on Robotics and Automation (Cat. No.02CH37292).

Stability of Phase-Based Gain Modulation with Designer-Chosen Switch Functions

Brian S. R. Armstrong, Bruce A. Wade, J. A. Gutierrez, 2006, Int. J. Robotics Res..

Stability of Nonlinear PD Control with Two-Variable Switch Functions

Bruce A. Wade, Ralph Joseph, Brian Armstrong, .