L. Madarász

Technical University of Košice

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Co-Authors

Rudolf Andoga

Technical University of Košice

Ladislav Főző

Technical University of Košice

Imre J. Rudas

Obuda University

JŽ

Jozef Živčák

Technical University of Košice

J. Judicak

Technical University of Košice

Radovan Hudák

Technical University of Košice

V. Gašpar

Technical University of Košice

Tobiáš Lazar

Technical University of Košice

T. Karol

Technical University of Košice

Vladimír Gašpar

Technical University of Košice

Cooperative Institutions

Technical University of Košice

Budapest Institute

Eötvös Loránd University

Laboratoire de Chimie

Budapest University of Technology and Economics

Building Research Institute

Information Technology University

Obuda University

Buda Health Center

Slovak University of Technology in Bratislava

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Neural Network Linearization of Pressure Force Sensor Transfer Characteristic

Jozef Vojtko L. Madarász

The paper deals with an elastomagnetic sensor of pressure force and neural network design in order to achieve linear sensor output. There are described basic properties of such sensor and its equivalent electrical scheme. The feeding and evaluating circuits were designed in order to obtain the optimal working conditions.

Linearization

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Citations (9)

Methodology of Situational Control Creation and its Application

IFAC Proceedings Volumes (1994)

L. Madarász Peter Holečko

USable

Situational ethics

Judgement

Situation analysis

Operator (biology)

Situation Awareness

10.1016/s1474-6670(17)47637-3

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Citations (1)

Conclusion

Topics in intelligent engineering and informatics (2013)

Jozef Živčák L. Madarász Radovan Hudák Imre J. Rudas

Thermography

10.1007/978-3-642-38379-3_9

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METHODOLOGY OF SITUATIONAL CONTROL CREATION AND ITS APPLICATION

Elsevier eBooks (1995)

L. Madarász Peter Holečko

Situational ethics

Situation analysis

10.1016/b978-0-08-042367-8.50029-x

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A Digital Diagnostic System for a Small Turbojet Engine

Rudolf Andoga Ladislav Főző L. Madarász

During the lifecycle of a system not only functionality but also other aspects like safety and reliability are very important. These terms are even more important when connected to aviation in engine and avionic systems control. The reason is simple, a failure must not cause a shutdown of a system during the flight as it would cause a catastrophe. The article deals with the proposal of a progressive diagnostics/backup system using a modified voting method with computational backup models using neural networks. The proposed architecture is expected to be suitable for turbojet engines and was tested on a laboratory object, a small turbojet engine MPM-20 with positive results under operational conditions.

Turbojet

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Citations (20)

PROGRESSIVE METHODS IN THE AREA OF TURBOJET ENGINES' CONTROL SYSTEMS

Rudolf Andoga L. Madarász

The article deals with modern concepts of control systems used in turbojet engines. We specifically aim on description of control systems using methods and concepts of artificial intelligence, which can bring a new quality in terms of operation and safety of turbojet engines' operation. We also propose a design of intelligent control system for small turbojet engine MPM-20 within the scope of methodology of situational control together with exploration of macro and micro situations concepts.

Turbojet

Scope (computer science)

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Citations (1)

Hybrid concepts of analytic modeling of the MPM 20 engine

Rudolf Andoga L. Madarász Ladislav Főző Michal Bučko

Mathematical modeling represents an efficient method allowing us to examine properties of a researched object [1]. Realization of mathematic models has become a fundamental part of design of many complex systems. By use of simulation, we can experiment with mathematical model similarly as with the real object without the risk of damage and with much lower expenses. Modeling represents experimental process that asserts the examined original (the modeled system) unambiguously another physical or abstract system. The article deals with approach to virtual particular analytic modeling of a compressor and explores some advanced hybrid concepts in modeling of such engine using methods of artificial intelligence.

Realization (probability)

Complex system

10.1109/sami.2011.5738861

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Situational control methodology in control of aircraft turbo-compressor engines

Rudolf Andoga L. Madarász

Aircrafts' turbo-compressor engines may be considered as very complex systems with many mutual and also positive feedbacks. Another characteristic of such systems is that they operate in a very large range of outer environment parameters which causes very different behaviour within their working conditions. Critical susceptibility to erroneous states where requirements for reliability are set to highest degree, it is necessary to secure control of such engines in their every state and secure their operation under every environmental or engine conditions. Situational control methods offer such tools to secure not just stabilization of an engine, but its control, using different control strategies for different working conditions.

Situation Awareness

Turbo

Jet engine

10.1109/icccyb.2005.1511599

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Citations (1)

Proposal of Dissemination and Broadcasting of Laboratory Data within Small Time Latencies

Acta Mechanica Slovaca (2013)

L. Madarász Vladimír Gašpar Imre J. Rudas Rudolf Andoga Ľuboš Gašpar

This paper presents the possibilities of broadcasting and dissemination of experimental data, obtained from direct real-time measurements of a physical objects - small turbojet engine MPM-20. The key factor of this data transfer is to minimize latency of the data transfer and computational overhead that may slow down or jam the control computer. This is why the usage of UDP protocol has been proposed. Since the utilization of the existing measuring aperture with both original hardware (HW) and software (SW) acquisition equipment is necessary, the proposed solution is not created using modifications of original HW and SW modules but the addition of newly created ones. Whereas the remote monitoring of the MPM-20 also requires audiovisual (A/V) contact, we also propose a module to transfer A/V as a stream from an array of IP cameras that are capturing the area of the object MPM-20 in the real time.

Time transfer

10.21496/ams.2013.029

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Citations (6)

Utilization of Neural Networks for Error Reduction of Elastomagnetic Sensors

Journal of Advanced Computational Intelligence and Intelligent Informatics (2005)

Jozef Vojtko Irena Kováčová L. Madarász Dobroslav Kováč

This paper deals with an elastomagnetic sensor of a pressure output metrological parameter improving to achieve linear sensor output. The designed solution is based on using neural networks as a universal approximator that enables conversion from sensor output to measured force and suppresses error.

10.20965/jaciii.2005.p0372

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Citations (0)