PhD Graduates

Werner Scheinhardt

Werner Scheinhardt


Werner Scheinhardt


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Thesis: Markov-modulated and feedback fluid queues

This thesis is about stochastic fluid queues. In such systems a fluid reservoir receives and/or releases fluid at rates which depend on the actual state of a stochastic background process. Often this is a Markov process, in which case we are dealing with a "Markov-modulated fluid queue". This thesis is concerned with finding stationary distributions for some types of fluid models. The two main contributions are: 1. We focus on models in which the state space of the background Markov process is infinitely large, either denumerable or not. This includes simple systems of fluid queues, such as a fluid tandem queue. 2. We introduce socalled "feedback fluid queues". In these systems the state of the fluid reservoir influences the behaviour of the regulating process (which is therefore not a Markov process any more). To learn more you can download my thesis or visit my website.

How to reach me

Surface Mail
Faculty EEMCS, University of Twente
PO Box 217
7500 AE Enschede
The Netherlands
Electronic Mail
Goto my homepage for more up-to-date information.