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Wyszukujesz frazę "Kachniarz, M." wg kryterium: Autor

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    Wyświetlanie 1-6 z 6
    Tytuł:
    The Satellites Orientation Method using a Torque Magnetic Drive
    Autorzy:
    Korobiichuk, I.
    Kachniarz, M.
    Nowicki, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1030758.pdf
    Data publikacji:
    2018-03
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    07.55.Ge
    04.30.Tv
    07.05.Rm
    07.07.Df
    Opis:
    Small values of external perturbation forces made it possible to use a torque magnetic drive as a control system. Today, satellite orientation systems use pulsed-type algorithm for discharge of an angular momentum accumulator. The feasibility of using other algorithms (continuous, continuous-pulsed and algorithm of torque magnetic drive operation using `forecast' models of accumulated angular momentum and geomagnetic field) is not covered and not examined, although each has certain advantages for certain types of satellites and their conditions of operation in space. The article highlights satellites operating conditions in space, considers satellites orientation method using a torque magnetic drive and substantiates the necessity of satellite motion simulation with further establishing a technique for evaluation of orientation system given the effect of permanent magnetic and gravitational fields, the type of discharge of accumulated angular momentum, the height of trajectory and the nature of random perturbations.
    Źródło:
    Acta Physica Polonica A; 2018, 133, 3; 722-724
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Active LR Integrator Circuit with Ferrite Core
    Autorzy:
    Gazda, P.
    Nowicki, M.
    Kachniarz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1030877.pdf
    Data publikacji:
    2018-04
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    41.20.Gz
    85.70.Ay
    85.70.Ge
    Opis:
    The paper presents the idea of active LR integrator circuit based on ferrite core. The LR topology, in contrast to contemporary RC, allow for drift-free operation of the integrator. Presented circuit is intended as main component of continuous operation fluxmeters and magnetoelastic transducers, especially working with low frequency signals. Critical component for proper frequency range and low signal distortion is the core material, which should allow for close-to-ideal inductance in the circuit. Presented simulation, measurement results, and total harmonic distortion analysis show that the proposed circuit works correctly.
    Źródło:
    Acta Physica Polonica A; 2018, 133, 4; 1041-1044
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Temperature error of Hall-effect and magnetoresistive commercial magnetometers
    Autorzy:
    Nowicki, M.
    Kachniarz, M.
    Szewczyk, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/141287.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    magnetic field measurement
    magnetometers
    Hall-effect
    magnetoresistive
    temperature error
    Opis:
    The paper presents a special measurement system for investigation of temperature influence on the indication of commercially available sensors of the magnetic field. Utilizing the developed system, several magnetoresistive and Hall-effect sensors were investigated within the temperature range from –30°C to 70°C. The obtained results indicate that sensitivity of most of the investigated sensors is unaffected, except the basic magnetoresistive device. However, Hall-effect sensors exhibit considerable temperature drift, regardless of the manufacturer.
    Źródło:
    Archives of Electrical Engineering; 2017, 66, 3; 625-630
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Active LR Integrator Circuit for Drift-Free Magnetoelastic Transducer
    Autorzy:
    Gazda, P.
    Nowicki, M.
    Kachniarz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1030439.pdf
    Data publikacji:
    2018-03
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    07.55.-w
    75.50.Kj
    75.80.+q
    Opis:
    Current integrator systems usually use active RC integrator circuits. Crucial dificulty associated with this analogue system is the integrator drift. The following paper presents the idea of the active integrator circuit based on inductive and resistive components. This concept allows to eliminate the time drift of the circuit, which is undesired phenomenon resulting from capacitive components working in the traditional negative feedback loop. The SPICE simulations were performed to validate the presented idea. Then, prototype circuit with discrete components was tested. Inductors were based on nanocrystalline and air cores. The developed solution was tested as magnetoelastic sensors transducer, to confirm the ability for long-term, continuous, drift-free, integrator circuit operation. The results were compared with traditional, RC circuit with automatic drift compensation.
    Źródło:
    Acta Physica Polonica A; 2018, 133, 3; 745-747
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Magnetic Amorphous Micro-Force Sensor
    Autorzy:
    Nowicki, M.
    Kachniarz, M.
    Juś, A.
    Charubin, T.
    Radzikowska-Juś, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/1032200.pdf
    Data publikacji:
    2017-04
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    07.10.Pz
    75.50.Kj
    Opis:
    In this paper the innovative method of microforce measurement based on air gap influence on magnetic circuits properties is presented. Magnetic ribbon core with air gap is put under transverse compressive stress perpendicular to the magnetic field direction generated by low-mass calibration weight. Change of the air gap induced by the force acting on the core causes change of its magnetic parameters. The possibility of utilization of various magnetic amorphous materials is investigated. Obtained results indicate a possibility of application of the developed sensor in microforce measurements.
    Źródło:
    Acta Physica Polonica A; 2017, 131, 4; 1180-1182
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Influence of Thermomagnetic Treatment on the Magnetoelastic Characteristics of Fe₆₁Co₁₉Si₅B₁₅ Amorphous Alloys
    Autorzy:
    Salach, J.
    Szewczyk, R.
    Svec Sr, P.
    Bieńkowski, A.
    Jackiewicz, D.
    Svec, P.
    Nowicki, M.
    Winiarski, W.
    Kachniarz, M.
    Gruszecka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1387877.pdf
    Data publikacji:
    2015-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    75.80.+q
    75.50.Kj
    Opis:
    Information about magnetoelastic properties of newly developed amorphous magnetic alloys is very important from practical point of view, especially in the case of high permeability materials such as the Fe₆₁Co₁₉Si₅B₁₅ amorphous alloy. In the case of such materials, effect connected with the influence of external stresses on the magnetic properties of the alloy should be tested. This paper presents experimental results of the magnetoelastic properties investigation of the Fe₆₁Co₁₉Si₅B₁₅ amorphous alloy, annealed without magnetic field as well as in the magnetic field. Such thermo-magnetic treatment generated anisotropy has significant influence on the total free energy of magnetic material. In the magnetoelastic investigation, the compressive stress was applied to the ring shaped core, perpendicularly to the magnetizing field direction. Due to the fact, that cores with closed magnetic circuits were used, demagnetization did not change the balance of total free energy in the material.
    Źródło:
    Acta Physica Polonica A; 2015, 127, 2; 617-619
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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