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Wyszukujesz frazę "energy of vibration" wg kryterium: Wszystkie pola


Wyświetlanie 1-4 z 4
Tytuł:
Experimental investigation of an automotive magnetorheological shock absorber
Autorzy:
Jastrzębski, Ł.
Sapiński, B.
Powiązania:
https://bibliotekanauki.pl/articles/387105.pdf
Data publikacji:
2017
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
MR shock absorber
vibration
current response
force response
dissipated energy
Opis:
The study summarises the experimental examination of an automotive magnetorheological (MR) shock absorber under electrical and mechanical excitations, investigates its current and force responses and the energy dissipation in the system. The aim of experiments was to acquire measurement data that allows in next step of the research program to engineer an energy harvesting device for the absorber. The work covers basic technical data of the absorber, description of the experimental set-up, scenario of testing program and test results of the device. Of particular importance is the influence the operating current, piston displacement amplitude and piston velocity have on the absorber’s response.
Źródło:
Acta Mechanica et Automatica; 2017, 11, 4; 253-259
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ability of energy harvesting MR damper to act as a velocity sensor in vibration control systems
Autorzy:
Rosół, Maciej
Sapiński, Bogdan
Powiązania:
https://bibliotekanauki.pl/articles/386981.pdf
Data publikacji:
2019
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
MR damper
energy harvester
self-sensing function
electromotive force
embedded system
algorithm
Opis:
The study investigates the self-sensing ability in an energy harvesting magnetorheological damper (EHMRD). The device consists of a conventional linear MR damper and an electromagnetic harvester. The objective of the work is to demonstrate that the EHMRD with specific self-powered feature can also serve as a velocity sensor. Main components of the device and design structure are summarized and its operation principle is highlighted. The diagram of the experimental set-up incorporating the measurement and processing unit is provided, the experimental procedure is outlined and data processing is discussed. The self-sensing function is proposed whereby the relative velocity of the EHMRD can be reconstructed from the electromotive force (emf) induced in the harvester coil. To demonstrate the adequacy of the self-sensing action (i.e., the induced emf should agree well with the relative velocity), the proposed self-sensing function is implemented and tested in the embedded system that will be a target control platform. Finally, the test results of the system utilizing a switching control algorithm are provided to demonstrate the potentials of the EHMRD acting as a velocity sensor and to confirm its applicability in semi-active vibration control systems.
Źródło:
Acta Mechanica et Automatica; 2019, 13, 2; 135-145
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of shape memory alloy in harvesto-absorber system
Autorzy:
Kęcik, K.
Powiązania:
https://bibliotekanauki.pl/articles/386907.pdf
Data publikacji:
2015
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
pendulum
sma spring
energy harvester
vibration absorber
control
continuation method
stopy z pamięcią kształtu
teoria Ginzburga-Landaua
tłumik drgań
Opis:
This paper presents a conception of the harvester-absorber system consisting of two parts. The first is the pendulum attached to the main system (oscillator), which is suspended on the linear damper and the nonlinear spring made of shape memory alloy. The spring is modelled as a polynomial function based on Landau–Ginzburg theory of phase transitions (similar as ferroelectric and ferromagnets). The obtained results show, that SMA element can increase harvesting energy level, while the absorber effect can be impaired (but not loss). Additionally, introducing SMA element causes changes in dynamics, introduces a new unstable solutions and bifurcations. The analysis was done by classical integration and continuation solution methods.
Źródło:
Acta Mechanica et Automatica; 2015, 9, 3; 155-160
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Examples of a use of the optimal control at energy performance index in mechatronic approach
Autorzy:
Kaliński, K.
Chodnicki, M.
Mazur, M.
Powiązania:
https://bibliotekanauki.pl/articles/386384.pdf
Data publikacji:
2008
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
sterowanie optymalne
nazdorowanie drgań
roboty przemysłowe
optimal control
vibration surveillance
industrial robots
Opis:
Purpose of the paper is to present some examples of application of the optimal control at energy performance index in mechatronic solutions. In the paper were presented methods of vibration surveillance of mechanical systems idealised discretely. These methods were applied in robotics (industrial robots) as well as – for high speed ball end milling processes of flexible details. As example of non-linear system, a possibility of the use of optimal control at energy performance index for wheeled robots was presented.
Źródło:
Acta Mechanica et Automatica; 2008, 2, 4; 24-28
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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