<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In this paper we propose two discrete-time sliding mode flow controllers for multisource connection-oriented networks. Each connection in the considered networks is characterized by a time delay and a packet loss ratio. The proposed controllers take advantage of appropriately designed sliding hyperplanes, which ensure the closed-loop system stability and finite-time error convergence to zero. Moreover, the proposed controllers ensure full utilization of the bottleneck link available bandwidth, guarantee bounded transmission rates, and eliminate the risk of buffer overflow in the bottleneck node. Since the primary controller may lead to excessive values of the transmission rate at the beginning of the control process, the modified controller is designed using the concept of the reaching law, which helps the removing of the undesirable effect.</p></abstract>

In this paper we propose two discrete-time sliding mode flow controllers for multisource connection-oriented networks. Each connection in the considered networks is characterized by a time delay and a packet loss ratio. The proposed controllers take advantage of appropriately designed sliding hyperplanes, which ensure the closed-loop system stability and finite-time error convergence to zero. Moreover, the proposed controllers ensure full utilization of the bottleneck link available bandwidth, guarantee bounded transmission rates, and eliminate the risk of buffer overflow in the bottleneck node. Since the primary controller may lead to excessive values of the transmission rate at the beginning of the control process, the modified controller is designed using the concept of the reaching law, which helps the removing of the undesirable effect.

Discrete Time Sliding Mode Flow Controllers for Connection-Oriented Networks with Lossy Links

Institute of Automatic Control, Technical University of Łódź, 18/22 Stefanowskiego St., 90-924 Łódź, Poland

Cybernetics and Information Technologies

In this paper we propose two discrete-time sliding mode flow controllers for multisource connection-oriented networks. Each connection in the considered...

Discrete Time Sliding Mode Flow Controllers for Connection-Oriented Networks with Lossy Links

Published Online: May 21, 2013

Page range: 107 - 121

DOI: https://doi.org/10.2478/cait-2013-0019

This content is open access.