Higher order sliding mode-based robust stabilisation of fluid-flow model of TCP/AQM scheme
by P. Baburaj; Shyam Kamal; Bijnan Bandyopadhyay
International Journal of Automation and Control (IJAAC), Vol. 8, No. 1, 2014

Abstract: This paper deals with the stabilisation of TCP/AQM scheme from robust control theory perspective. A higher order sliding mode-based controller for the robust stabilisation of indeterminate system is proposed. Fluid-flow model of TCP-queue dynamics proposed in literature is a continuous uncertain system having matched and unmatched uncertainties in both system and input matrices. A novel sliding surface is designed with the aid of quadratic Lyapunov function with constant Jacobian matrix of coefficients in a special form. A second order sliding mode (super twisting) control law is synthesised which gives robustness with respect to matched uncertainties and at the same time reduces the chattering effect due to the continuous nature of the algorithm. The system is exponentially stabilised and the simulation results justify the efficacy of the proposed controller.

Online publication date: Mon, 30-Jun-2014

The full text of this article is only available to individual subscribers or to users at subscribing institutions.

 
Existing subscribers:
Go to Inderscience Online Journals to access the Full Text of this article.

Pay per view:
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.

Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Automation and Control (IJAAC):
Login with your Inderscience username and password:

Username:        Password:          Forgotten your password?

Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.

If you still need assistance, please email subs@inderscience.com