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In this paper we present an advanced software tool designed for a multi-criteria optimization of self-organizing neural networks (SOMs) for their effective implementation in hardware. Problems that we have to deal with in this type of implementations are radically different from those that occur in only pure software realizations. Therefore, although there are many available systems to simulate NNs,...
Psychological profiling is a necessary tool of modern human resource management, important for recruiting, placement and career planning. In extremely demanding jobs, like military service, the emerging problem is validity of psychological profile under stress-the problem is not only placement of people on adequate positions but also the limits of stress under which they remain efficient. We proposed...
Problem of effective data processing in scientific applications is well-known. There are two reasons of that: nonoptimal front-end application code and ineffective system of scientific data management at back-end. This article presents differences between flat file and relational database data storage. It also shows (based on Microsoft SQL Server database engine) benefits and methods of taking advantages...
This paper presents a class-D power amplifier for medium quality sound systems using a second-order passive sigma-delta modulator (ΣΔM). The ΣΔM controls an output power stage consisting of a H-bridge. The loop filter of the ΣΔM was designed using a optimization procedure based on genetic algorithm (GA), that takes into account several parameters. This system was implemented using discrete components...
Reversible circuit synthesis is an important branch of low power consumption circuit design. The idea of a logic circuit with no losses of information during computation has impact on power consumption and on the other hand makes the use of classical circuit synthesis algorithms impossible. In the area of reversible circuit design there is still lack of good algorithms. During last 15 years many heuristic...
This paper proposes the evolutionary technique of the stimulus signal optimization for the analog electronic circuit testing purpose. The obtained signal is coded with Sigma-Delta modulation usage that allows to generate it easily by simple microcontrollers without the necessity of expensive D/A peripherals applying. The signal with the controlled impulses density may be obtained on the external output...
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