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The electromagnetic field distributions are of great importance in
various engineering applications, especially in aeronautical industry
due to the presence of the communication systems, the embarked radars
and antennas as well as the electric circuits and components on aircraft
that requires to take account of the influence of these devices on
their environment and in particular of their interactions with the
material. This paper shows how electromagnetic field distributes across
different aeronautical materials. This problem is solved using
computational electromagnetic, such as the finite elements method, to
resolve Maxwells equations through the problem geometry using an
in-house code developed during this work. Obtained results enable to
calculate the field values in any place of the studied geometry and
determinate the related physical parameters. Results show that
parameters such as material properties, used frequency and sample
dimensions have a strong influence on the field distribution. This
dependence could have important consequences to characterize and
optimize conditions to choose materials used in electromagnetic
applications. For particular cases these results are compared with
open-source codes. The results are very similar with a good precision
which enables to use the developed code to carry out simulations for
other geometries of materials with different proprieties.
The paper's primary contribution is presentation of new and developed
CEM code characterized by capability to calculate and quantify the
electromagnetic fields in various regimes. This study contributes in the
existing literature by increasing the advantages to apply FEM method
analysis to more comprehend electromagnetic problems.
The Multi-Parameter on-Line Monitoring System Applied for Rotating Machinery
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The paper deals with the designed multi-parameter on-line monitoring
system for rotating machinery based on LonWorks Technology. It analyzes
the basic theoretical assumptions for its design with the usage of
artificial intelligence elements. Moreover, it provides the description
of applications of the new monitoring system to production systems of
the flexoprinting machines and the small hydroelectric power plant. The
effects are in the economy field, i.e. minimization of the production
breakdown due to failures, and in the field of environment protection.
Thus a modern maintenance characterized by minimizing the costly
unscheduled downtime and unexpected breakdowns is presented.
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preventing the undesirable breakdowns in production using the rotary
motion. The descriptions of system implementations provide system's
advantages and benefits.