Relay-based closed loop transfer function frequency points estimation - Gustavo H. M. de Arruda; Péricles R. Barros (Autom., 2003)

Relay-based gain and phase margins PI controller design - Gustavo H. M. de Arruda; Péricles R. Barros (IEEE Trans. Instrum. Meas., 2003)

On a relay experiment for frequency response estimation - Gustavo H. M. de Arruda; P. Rezende Barros (6th European Control Conference, ECC 2001, Porto, Portugal, September 4-7, 2001, 2001)

Relay based closed loop transfer function estimation - Gustavo Henrique Machado de Arruda; Péricles Rezende Barros (American Control Conference, ACC 2000, Chicago, Illinois, USA, 28-30 June, 2000, 2000)