Average Consensus and Stability Analysis in Networked Dynamic Systems

Autor: Rhouma Mlayeh

Publikováno v: WSEAS TRANSACTIONS ON COMPUTERS. 21:31-43

This paper provides protocols for finitetime average consensus and finitetime stability of systems with controlled nonlinear dynamics innetwork under undirected fixed topology. Each node’s state is a high dimensional vector as a solution of the hig

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d2315d758ca735e0b004543d41aabf47
https://doi.org/10.37394/23205.2022.21.5

Torsional Vibration Suppression with Boundary Impulsive Conditions in Rotary Drilling System

Autor: Lotfi Beji, Rhouma Mlayeh, Samir Toumi

Publikováno v: CDC
IEEE 58th Conference on Decision and Control (CDC 2019)
IEEE 58th Conference on Decision and Control (CDC 2019), Dec 2019, Nice, France. pp.995--1000, ⟨10.1109/CDC40024.2019.9029411⟩

International audience; This paper presents a nonlinear control scheme to stabilize the problem of torsional vibration suppression with boundary impulsive conditions. A new nonlinear dynamical system is developed. Based on semi-group theory, we prove

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ead5185fcfbe7a71348e1ffd14ebb1b
https://doi.org/10.1109/cdc40024.2019.9029411

Stability analysis of coupled torsional vibration and pressure in oilwell drillstring system

Autor: Lotfi Beji, Rhouma Mlayeh, Samir Toumi, Azgal Abichou

Publikováno v: International Journal of Control
International Journal of Control, Taylor & Francis, 2018, 91 (1), pp.241--252. ⟨10.1080/00207179.2016.1278269⟩
International Journal of Control, 2018, 91 (1), pp.241--252. ⟨10.1080/00207179.2016.1278269⟩

International audience; To address security issues in oilwell drillstring system, the drilling operation handling which is in generally not autonomous but ensured by an operator may be drill bit destructive or fatal for the machine. To control of sti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::74f43cd479341b92b11b31b5cf98ce53
https://doi.org/10.1080/00207179.2016.1278269

Exponential Stabilization of Torsional Vibrations in Rotary Drilling Systems

Autor: Samir Toumi, Lotfi Beji, Azgal Abichou, Rhouma Mlayeh

Publikováno v: 20th World Congress of the International Federation of Automatic Control
20th World Congress of the International Federation of Automatic Control, Jul 2017, Toulouse, France. pp.1565--1570, ⟨10.1016/j.ifacol.2017.08.310⟩

International audience; The paper considers oilwell drilling operations and, in particular, the problem of minimizing drilling vibrations. We develop a stabilizing controller for a one dimension wave PDE with damping term that describes the drillstri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ffb6d6d53a5ff004dd6aabd6875ddeb
https://hal.science/hal-01629332

Boundary observer design for hyperbolic PDE in rotary drilling systems

Autor: Lotfi Beji, Rhouma Mlayeh, Azgal Abichou, Samir Toumi

Publikováno v: 55th IEEE Conference on Decision and Control (CDC 2016)
55th IEEE Conference on Decision and Control (CDC 2016), Dec 2016, Las Vegas, United States. pp.2128--2133, ⟨10.1109/CDC.2016.7798578⟩
CDC

International audience; It is well known that vibrations in oilwell system affect the drilling directions and may be inherent for drilling systems. Further, the environment complexity requires a minimum number of sensor variables. In this paper, for

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1fe67b2e350710ce13069bd19d3129c
https://hal.archives-ouvertes.fr/hal-01465422