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The paper offers details on the software package used in some industrial control applications based on Fieldbus Foundation specification. The main result is the configuration program placed on a Host Computer which can produce a control structure by selecting different function blocks defined as Fieldbus compatible Field Equipments, the specification of the necessary interconnections and by programming...
The paper presents an original experimental optical LSS system which allows backscattering Mie diffusion spectra determination for biological samples. With the aim of evaluating viral infection effects, a software package performs fractal analysis of the spectra and texture analysis of the associated microscopic images. Finally a method for the classification of cell nuclei and the discrimination...
This paper presents an educational platform which offers to students the possibilities to connect remotely via Internet to programmable logic controllers (PLCs) which will control, practically, any virtual process. In this way, several expensive resources like PLCs or powerful computers which simulate complex processes can be shared at distance and improve their time management. The processes simulated...
Tumor networks display percolation like scaling, representing the first evidence for a biological growth process whose key determinants are local substrate properties. In this paper we present a full characterization of a recently proposed model which reproduces the main features of the biological system, focusing on its dynamical properties, on the fractal properties of patterns, and on the percolative...
In this paper is described an embedded system for healthcare applications, actually a monitoring device for patients requiring continuous tele-monitoring treatments. The hardware architecture of the system, based on wireless communication, is discussed and implementation details are presented. We will also be presenting experimental results proving the usefulness of embedded homecare systems in providing...
The goal of this paper is to prove by simulations in an virtual environment the potential of fractal analysis techniques in evaluation of network characteristics putting together two new research results: an Internet model based on scale free network graphs where inference based on self similarity and fractal behavior can be applied and a powerful experimental test-bed which allows parallel processing...
Digital signal processors (DSPs) are very efficient devices to implement algorithms for signal processing and analyzing. Endowing sensorial nodes from a sensor network with such processing cores it could lead to high performance because of the possibility of parallel and distribute processing and thus reducing the quantity of information spread into the network (network load). If such a node uses...
The goal of this paper is to prove by simulations in an virtual environment the potential of fractal analysis techniques in evaluation of network characteristics, especially in detection of anomalies. In this aim there are proposed several original research results: an Internet model based on scale free network graphs, a method to reveal self-similarities in generated traffic, a method to compare...
With the aim of evaluating viral infection effects on cellular structures three fractal methods (Petrosian, Hurst exponent and Height-height correlation) were performed as an expression of quantitative measure of cell nuclei size distribution. Cell nuclei size distribution was determined measuring Mie scattering spectra registered using an original LSS system. Fractal dimension for interest area of...
The objective of the present work is to evaluate the potential of the use of the image fractal dimension as textural feature in a content-based image retrieval system. In order to compare and classify the regions of an image, we have used two distances between two partitions of the image: (1) a classic distance computed with some features (contrast, energy, entropy, homogeneity, correlation) extracted...
Economic feasibility of a nuclear power plant requires smooth and uninterrupted plant operation in the face of varying electrical power demand. The feed-water system in a nuclear power plant is a major contributor to plant unavailability. The investigations about operation experiences of a power plant show that one of frequent causes of shutdowns is by violation of safety limits on the water level...
The paper proposes a comparison between models that relieves the characteristics of the patient evolution in sepsis as the result of correct or corrupted information transfer as the cell level. Specifically, two different models for the cellular interactions are compared - one based on a three variables system of differential equations, the other on a cellular interaction scale free network. The advantages...
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