1. Observer Based Robust Position Control of a Hydraulic Servo System Using Variable Structure Control. (11th October 2015) Authors: Kolsi-Gdoura, E.; Feki, M.; Derbel, N. Other Names: Guo Rongwei Academic Editor. Journal: Mathematical problems in engineering Issue: Volume 2015(2015) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗