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    Wyświetlanie 1-2 z 2
    Tytuł:
    Validation of Key Parameters Between Real and Computer Model of Suspension System Used in FSAE Vehicle
    Autorzy:
    Ziemba, Krzysztof
    Tracz, Jan
    Rządkowski, Witold
    Kowalik, Michał
    Powiązania:
    https://bibliotekanauki.pl/articles/102156.pdf
    Data publikacji:
    2020
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    multi-link suspension system
    validation
    vehicle kinematics
    FSAE
    wielowahaczowy system zawieszenia
    uprawomocnienie
    kinematyka pojazdu
    Opis:
    The aim of this paper was to determine the differences in the designed and manufactured model of a suspension. A set of key parameters was compared, including camber and toe in angles and their change w.r.t wheel travel, as well as the motion ratio. It also focused on the possibility of accurately determining the suspension system kinematics using affordable measuring devices available on the market. First, the design process, main goals and project assumptions were briefly described. Next, the CAD model and manufacturing process was presented. Finally, the measurements of both computer and real model were performed. The obtained results were compared and a significant difference between models was observed. The reason of such variation could not be determined unambiguously, as there were numerous factors that could potentially influence the results. Moreover, it was proven that accurate determination of kinematics is impossible using the given set of measuring devices.
    Źródło:
    Advances in Science and Technology. Research Journal; 2020, 14, 3; 65-74
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Parameters identification of the flexible fin kinematics model using vision and Genetic Algorithms
    Autorzy:
    Jurczyk, Karolina
    Piskur, Paweł
    Szymak, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/259505.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    Biomimetic Underwater Vehicle
    flexible fin kinematics model
    parameters identification using vision
    Genetic Algorithm
    Opis:
    Recently a new type of autonomous underwater vehicle uses artificial fins to imitate the movements of marine animals, e.g. fish. These vehicles are biomimetic and their driving system is an undulating propulsion. There are two main methods of reproducing undulating motion. The first method uses a flexible tail fin, which is connected to a rigid hull by a movable axis. The second method is based on the synchronised operation of several mechanical joints to imitate the tail movement that can be observed among real marine animals such as fish. This paper will examine the first method of reproducing tail fin movement. The goal of the research presented in the paper is to identify the parameters of the one-piece flexible fin kinematics model. The model needs further analysis, e.g. using it with Computational Fluid Dynamics (CFD) in order to select the most suitable prototype for a Biomimetic Underwater Vehicle (BUV). The background of the work is explained in the first section of the paper and the kinematic model for the flexible fin is described in the next section. The following section is entitled Materials and Methods, and includes a description of a laboratory test of a water tunnel, a description of a Vision Algorithm (VA)which was used to determine the positions of the fin, and a Genetic Algorithm (GA) which was used to find the parameters of the kinematic fin. In the next section, the results of the research are presented and discussed. At the end of the paper, the summary including main conclusions and a schedule of the future research is inserted.
    Źródło:
    Polish Maritime Research; 2020, 2; 39-47
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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