TY  - JOUR 
T1  - Controller for a SPS machine: a proposal PI control
JO  - Matéria (Rio de Janeiro)
A1  - León-Lugo, Nathyely Marisol
A1  - Torres-Vázquez, Sergio Alberto
SN  - 1517-7076
UL  - 10.1590/S1517-707620180002.0475
VL  - 23 
Y1  - 2018
PB  - Brazil 
ER  -