Adaptive nonlinear feedforward control of an electrohydraulic camless valvetrain. - Chun Tai; Tsu-Chin Tsao; Michael B. Levin (ACC, 2000)

Modeling and controller design of an electromagnetic engine valve. - Chun Tai; Andrew Stubbs; Tsu-Chin Tsao (ACC, 2001)

Control of an electromechanical camless valve actuator. - Chun Tai; Tsu-Chin Tsao (ACC, 2002)

Control of an electromechanical actuator for camless engines. - Chun Tai; Tsu-Chin Tsao (ACC, 2003)