Autor: Jastrzębski, Łukasz - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Automotive mr shock absorber behaviour considering temperature changes: experimental testing and analysis
Autorzy:: Jastrzębski, Łukasz
Sapiński, Bogdan
Kozieł, Arkadiusz
Powiązania:: https://bibliotekanauki.pl/articles/970615.pdf
Data publikacji:: 2020
Wydawca:: Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:: MR shock absorber
temperature
current
coil resistance
force
energy
Opis:: This study investigates the automotive magnetorheological (MR) shock absorber behaviour in conditions of changing temperature. Its temperature-dependent behaviour was quantified between ambient and maximal operating temperatures of the device. Aspects addressed include the temperature dependence of the control coil resistance in the absorber, the influence of operating current level on control coil temperature and the temperature dependence of the absorber force response and energy dissipation in the system. The results of experiments enabled us to evaluate the mechanical performance of the absorber at varied temperatures.
Źródło:: Acta Mechanica et Automatica; 2020, 14, 1; 22-28
1898-4088
2300-5319
Pojawia się w:: Acta Mechanica et Automatica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Ideal rectifier bridge converting the harvested energy of vibrations into electric energy to power an mr damper
Autorzy:: Sapiński, Bogdan
Jastrzębski, Łukasz
Kozieł, Arkadiusz
Powiązania:: https://bibliotekanauki.pl/articles/1837924.pdf
Data publikacji:: 2020
Wydawca:: Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:: energy harvesting
rectifier bridge
voltage
current
MR damper
Opis:: The newly developed ideal rectifier bridge equipped with four N-type MOSFETs and two rail-to-rail operational amplifiers is a part of a typical energy harvesting conditioning circuit responsible for the rectification stage in the system of converting the energy harvested from vibrations into electrical energy to power the MR damper. The only energy loss in the bridge is caused by the voltage loss in transistors’ channels. The first sections of the work summarises the structural design of the bridge, the simulation procedure under the RL load and by sine voltage inputs with predetermined frequency and amplitude range, and benchmarks the results against those obtained for the conventional bridge based on Schottky diodes. In the second section, the PCB prototype of the bridge is analysed, and measurement data are compiled. The third section reports on the laboratory testing of the developed bridge converting the harvested energy in an MR damper-based vibration reduction system.
Źródło:: Acta Mechanica et Automatica; 2020, 14, 4; 198-205
1898-4088
2300-5319
Pojawia się w:: Acta Mechanica et Automatica
Dostawca treści:: Biblioteka Nauki

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