The application of flat superconductor rings has been investigated in the structure of inductive shieldtype high temperature superconducting fault current limiters, HTc-SFCL. A laboratory scale inductive shield-type HTc-SFCL has been designed and fabricated using flat superconductor rings. The fabrication process has been fully presented. YBCO powder has been used for the fabrication of superco...

The market for application performance products and services can be divided into three segments: measurement, control and extension. Measurement is the art of looking into an application delivery system of servers, networks and terminals to see how well it functions and determine how to make it function better. Control vendors help deliver the best performance possible given the innate limitati...

Optimal operation of chemical plants is usually accomplished by finding the optimal steady state using the nominal set of disturbances and model parameters. The optimization is in most cases model based and therefore subject to uncertainties. This may lead to sub optimal control actions with significant economical losses. One idea to tackle this problem is to use the available measurements to a...

A basic requirement of robust control theory is that a nominal model and an uncertainty model be available for the plant. The assumption is that the plant can be modeled by at least one of the perturbations of the nominal model in the uncertainty set. This raises the problem of constructing such an uncertainty set that would be consistent with a given set of experimental input-output data. This...

Mode analysis and dispersion relations are the basic characteristics for cylindrical dielectric waveguides. The waveguide configuration is based on geometry and on the index profile. The nominal index profile is the basis for the calculation of the field profile and the dispersion relations. However, a strong motivation exists for the evaluation of a real index profile. The modern index profile...

It is sometimes argued that resistance to nominal wage cuts would justify a moderate amount of inflation in order to “grease the wheels of the labour market”. While empirical studies tend to find that nominal wages are not downwardly rigid in Anglo-Saxon economies, a number of studies suggest that downward nominal wage rigidity is more widespread among continental European countries. This paper...