Test article AW

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A model of AW UMa

The contact binary AW UMa has an extreme mass ratio, with the more massive component close to the main sequence, while the low mass star at q ≈ 0.1 has a much larger radius than a main sequence star of a comparable mass. We propose that the secondary has almost exhausted hydrogen in its center and is much more advanced in its evolution, as suggested by Stȩpień. Presumably the secondary lost mos...

Active Lattices Determine Aw*-algebras

We prove that AW*-algebras are determined by their projections, their symmetries, and the action of the latter on the former. We introduce active lattices, which are formed from these three ingredients. More generally, we prove that the category of AW*-algebras is equivalent to a full subcategory of active lattices. Crucial ingredients are an equivalence between the category of piecewise AW*-al...

Diagonalizing Matrices over Aw*-algebras

Every commuting set of normal matrices with entries in an AW*algebra can be simultaneously diagonalized. To establish this, a dimension theory for properly infinite projections in AW*-algebras is developed. As a consequence, passing to matrix rings is a functor on the category of AW*-

AW Implementation using Multifiltering for Fault Detection

An approach for implementation of control system with anti-windup compensation using fault detection multifiltering is presented. The residual signal used for anti-windup compensation is obtained from a filter bank (i.e. multifiltering) for fault detection, thus it is not necessary its explicit measurement. This residual signal is considered as a fault, in order to design the fault detection fi...