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Podstawy technologii KNX: wprowadzenie do Systemu Automatyki Budynkowej

Stachno Andrzej

Elektronika : konstrukcje, technologie, zastosowania

2023

Vol. 64, Nr 10

4--7

Artykuł przestawia podstawowe zagadnienia związane z systemem KNX jest podstawowym rozwiązaniem w automatyce budynkowej. Opisane zostały klasyfikacja urządzeń, struktura topologiczna systemu, sposoby adresacji urządzeń i funkcji oraz narzędzia konfiguracyjne i interfejsu użytkownika.

The article presents fundamental issues related to the KNX system, which is a basic solution in building automation. Described are device classification, topological structure of the system, methods of addressing devices and functions, as well as configuration tools and user interface.

Electrooptical behaviour and control of a suspended particle device

Vergaz R., Pena J. M. S., Barrios D., Pérez I.

Opto-Electronics Review

2007

Vol. 15, No. 3

154-158

A suspended particle device is made by electrophoretic rod-shape particles suspended in an organic gel. These particles can twist and order with an applied voltage. The light crossing the material suffers more or less scattering according to that voltage. A commercial device is analyzed in this work. Several electrical models are tested, being the best one a series configuration including a shunt double layer capacitance and a Warburg element. Main parameter errors are below 2%, showing the quality of this new electrical model for this kind of devices. A quick method to improve the manufacturing process on-line is also proposed. Impedance measurements will be fitted to the selected electrical model, in order to check physical aspects such as charge diffusion lengths and response times. An electronic driver to obtain several levels of device transmission has been also developed, being its linearity demonstrated too. Colour changes are negligible for the main part of the bleaching process. All these features allow the use of this set in domotics application.