In the framework of pollutant sequestration by magnetic nano materials, this work focuses on synthesis and physico-chemical properties starch functionalized magnetites. Nanoparticles were prepared Fe2+/Fe3+ coprecipitation method with increasing amount in medium (starch to iron mass ratio (R) range 0–10). Obtained materials characterized Transmission Electron Microscopy (TEM), Powder X-Ray Diff...

We consider programmable matter that consists of computationally limited devices (called particles) that are able to self-organize in order to achieve some collective goal without the need for central control or external intervention. We use the geometric amoebot model to describe such self-organizing particle systems, which defines how particles can actively move and communicate with one anoth...

A new reverberation chamber with varying angles between wall, floor and ceiling and with vibrating walls is used for in-situ testing of a large radar antenna system. Inside this Vibrating Intrinsic Reverberation Chamber (VIRC) a diffuse, statistically uniform electromagnetic field is created without the use of a mechanical, rotating, mode stirrer. This chamber results in a better homogeneity an...

The use of supercritical fluids in the area of material processing and for particle formation has been known for several years now. The advantages of supercritical fluid processing include mild operating temperatures, production of solvent free particles and easy micro encapsulation of particles. One of the attractive methods of particle processing using supercritical fluid is the Supercritical...

A vibrating string, modelled by the wave equation, with an interior mass is considered. It is viewed as a linear delay system. A trajectory tracking problem is solved using a new type of controllability.

The partial pole assignment (PPA) problem is the one of reassigning a few unwanted eigenvalues of a control system by feedback to suitably chosen ones, while keeping the remaining large number of eigenvalues unchanged. The problem naturally arises in modifying dynamical behaviour of the system. The PPA has been considered by several authors in the past for standard state–space systems and for q...