We propose several approaches to the numerical solution of a new Fredholm integro-differential equations modelling neural networks. A solution strategy based on expansions onto standard cardinal basis functions and collocation is presented. Comparative numerical experiments illustrate specific advantages and drawbacks of the different approaches and are used to motivate alternate strategies. 20...

The results of a comparative study of CuBr-laser energy characteristics with a small active volume operating in pulse-periodic mode and dual pump pulses are presented. The advantages of these regimes in the range 5-100 Hz and 5100 kHz for output power, the energy generation and efficiency of the laser are shown.

Population games have become a powerful tool for solving resource-allocation problems in a distributed manner, and for the design of non-centralized optimization-based controllers. The aim of this paper is to illustrate the advantages of two recently introduced population-game approaches in comparison to other classical optimization methods. More specifically, the discussion is mainly devoted t...

This study investigates a variational multiphase image segmentation method which combines the advantages of graph cut discrete optimization and multiphase piecewise constant image representation. The continuous region parameters serve both image representation and graph cut labeling. The algorithm iterates two consecutive steps: an original closed-form update of the region parameters and partit...

Recent advancements in technology have led to real time applications in wireless sensor networks. The advantages and importance of well timed message delivery in emerging new areas of applications has made real time wireless sensor networks of utmost importance. Due to these applications, many routing protocols have been designed which concentrate on real time design issues. In this paper we pr...

In this paper a recent topology, the multilevel carrier based inverter topology has been presented with its advantages over conventional inverter schemes. A comparative study has been done within the topology used between pure sinusoidal reference waveform and the modified sinusoidal reference waveform which constitutes harmonics. The entire simulation has been done in MATLAB Simulink and the o...

This paper shows the use of new discrete event based numerical integration methods applied to the simulation of sliding mode control systems. These methods have many advantages in the simulation of general discontinuous and hybrid systems. In this case, a comparative study is performed showing that the simulation time can be significatively reduced with respect to any method implemented in Simu...

A method for recording movements of bacteria in time and space on a single photograph is described. Quantitative information on the behavior of various motile organisms may easily be obtained for comparative studies. The method possesses certain advantages over cinematography, and illustrations of applications of the technique are presented.

This note presents a local approach for the modular supervisory control of timed discrete-event systems. Our modular supervisors are designed over local models, which are obtained by aggregating only the subsystems affected by each control specification. We establish necessary and sufficient conditions for nonblocking optimal global behavior. We also present a comparative analysis of the comput...

Papers involved 1. Bisheng Du, Christian Larsen. 2008. Base stock policies with degraded service to larger orders. Download: http://www.hha.dk/bs/wp/log/L_2008_07.pdf 2. Bisheng Du, Christian Larsen. 2009. Investigating comparative advantages of advance demand information in presence of heterogeneous demand. (General version) 3. Bisheng Du, Christian Larsen. 2009. Comparing reservation policies...