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Wyświetlanie 1-5 z 5
Tytuł:
The dynamics of the human arm with an observer for the capture of body motion parameters
Autorzy:
Babiarz, A.
Bieda, R.
Jaskot, K.
Klamka, J.
Powiązania:
https://bibliotekanauki.pl/articles/201899.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
human arm
observability
Kalman filter
particle filter
Opis:
The paper presents an analysis of a mathematical model of the human arm dynamics in terms of observability. The purpose of the performed experiments is the selection of an observer for the possibility of arm tracking. The arm model is based on the two-link manipulator moving horizontally and vertically. For the study a model was linearized and the model part responsible for the work of human muscles was omitted. The experimental part involved simulated measurements of the motion parameters that imitate real-IMU (Inertial Measurement Unit) measurements. Finally, the simulation results using the observer in the form of a Kalman filter and the particle filter have been presented.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2013, 61, 4; 955-971
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Implementation of a Web-based remote control system for qZS DAB application using low-cost ARM platform
Autorzy:
Korzeniewski, M.
Kulikowski, K.
Zakis, J.
Jasiński, M.
Malinowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/201276.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ARM processor
DAB converter controller
network controller
web-based user interface
energy control
procesor ARM
kontroler
konwerter
kontroler sieciowy
interfejs użytkownika oparty na sieci Web
kontrola energii
DAB
Opis:
Continuous development of intelligent network applications drives the demand for deployment-ready hardware and software solutions. Such solutions are highly valued not only by distributed producers of energy but by energy consumers as well. The use of intelligent network applications enables the development and improvement of the quality of services. It also increases self-sufficiency and efficiency. This paper describes an example of such device that allows for the control of a dual active bridge (DAB) converter and enables its remote control in real time over an IP-based network. The details of both hardware and software components of proposed implementation are provided. The DAB converter gives a possibility to control and manage the energy between two DC power systems with very different voltage levels. Not only information, but also the quality of energy, the direction of power flow, and energy storage systems can be easily controlled through an IP-based network and power electronics converters. Information technology, together with intelligent control of power electronics technology, provides a flexible solution, especially for sustainable smart grids.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2016, 64, 4; 887-896
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental validation of numerical static calculations for a monolithic rectangular tank with walls of trapezoidal cross-section
Autorzy:
Buczkowski, W.
Szymczak-Graczyk, A.
Walczak, Z.
Powiązania:
https://bibliotekanauki.pl/articles/199784.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
rectangular tank
walls of trapezoidal cross-section
finite difference method
coordinate measurement arm
zbiornik prostokątny
przekrój trapezowy
metoda różnic skończonych
Opis:
The article presents the results of validation of static calculations carried out for a monolithic rectangular tank with walls of trapezoidal cross-section. Static calculations were made with the use of software based on the finite element method (FEM) and the finite difference method (FDM) in terms of energy (including spatial static work of the tank). Validation of the results was conducted on a concrete tank model using an innovative measurement tool, i.e. a coordinate measuring arm with a touch probe.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2017, 65, 6; 799-804
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Contribution of planetary electronic structure of atom to molecular interaction and properties of nanocomposites
Autorzy:
Sikoń, Marek
Bidzinska, E.
Marcinowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/200152.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
molecular action arm
molecular interaction torque
quantum electronic state of interaction
superparamagnetism
gyro-birefringence
superparamagnetyzm
nanokompozyty
drgania molekularne
stan kwantowy
Opis:
The paper proposes a study of molecular interactions using the planetary model of the atomic structure. The description refers to transfer of the interactions by electrons bonded with an atom in a planetary system. In molecules we refer to analysis of electrons that remain unpaired during the formation of chemical compounds. The planetary electronic state of molecular interactions is defined by considering the action arm for interatomic forces. Then the interaction torque is defined. The problem is studied in a collection of atoms forming a nanoparticle and then analysis is carried on in the entire volume of the nanocomposite, which is defined as a set of the nanoparticles in a field of matrix-nanofiller interactions. As a result, new mechanical, magnetic, and optical properties of the nanocomposite arise and are described herein. The atomic-scale phenomena are described by both classical and quantum mechanics and are then transferred to the nanoparticle scale by applying statistical mechanics. The quantum solutions for the optically active electrons form the basis for the optical properties of the nanocomposite using forced gyrobirefringence and Maxwell equations. The results of the theoretical analysis are confirmed by experiment using an electron paramagnetic resonance spectrometer.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2019, 67, 1; 77-89
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quantum magnetostriction effect resulting from the asymmetric structure of matter measured with EPR spectrometer
Autorzy:
Sikoń, Marek
Bidzinska, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/2204518.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
atomic arm of action
non-paired electron/nucleon
polar rotation
Cosserat mechanics
EPR
electron paramagnetic resonance
elektron niesparowany
nukleon niesparowany
atomowe ramię działania
obrót biegunowy
mechanika Cosserata
elektronowy rezonans paramagnetyczny
Opis:
This paper explains the rotation and displacement as well as the couple and force stress in material with unpaired electrons/nucleons subjected to a magnetic field. This phenomenon is described in terms of quantum mechanics for nanoparticle and quantum statistical mechanics for loose nanomaterial. Quantitative calculations are carried out based on experimental data collected under the magnetic field of an EPR spectrometer from a set of nanocrystallites of hydrated copper sulfate.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2023, 71, 1; art. no. e144575
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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