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    Wyświetlanie 1-3 z 3
    Tytuł:
    On modeling of ejection process in a training combat aircraft
    Modelowanie procesu katapultowania z samolotu szkolno-bojowego
    Autorzy:
    Głowiński, S.
    Krzyżyński, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/224173.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    katapultowanie
    fotel katapultowy
    samolot szkolno-bojowy
    modelowanie procesu katapultowego
    aircraft
    ejection
    ejection seat
    simulation
    Opis:
    The paper deals with modeling and simulation of motion trajectory of an ejection seat in the training-combat aircraft TS-11 "Iskra". The ejection seat and its operation are characterized. Mathematical and computer models are elaborated with the help of MATLAB-Simulink applications. Additionally, simulations are conducted for various velocities of the aircraft.
    W artykule przedstawiono dynamikę fotela katapultowego o nazwie SK odrzutowego szkolno-bojowego samolotu TS-11 "Iskra". Scharakteryzowano fotel katapultowy i zasadę jego działania. Opracowano model matematyczny oraz komputerowy obiektu przy wykorzystaniu programu MATLAB - Simulink i przeprowadzono symulację dla różnych prędkości lotu.
    Źródło:
    Archives of Transport; 2011, 23, 3; 291-302
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Aircraft operators maintenance decisions supporting method
    Autorzy:
    Szrama, Sławomir
    Gill, Adrian
    Powiązania:
    https://bibliotekanauki.pl/articles/1955098.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    aircraft
    exploitation processes
    MSG-3
    Risk Based Maintenance
    RBM
    preventive maintenance
    samolot
    procesy eksploatacyjne
    MSG
    konserwacja
    konserwacja zapobiegawcza
    Opis:
    A key element of exploitation processes constitutes maintenance operations and tasks. While being conducted in the proper way, they have a crucial effect on achieving the assumed by aircraft designer and operator goals. Properly conducted maintenance operations allow to meet all the technical objects readiness requirements as well as to achieve desired acceptable risk level. Maintenance system effectiveness might be generally a crucial task for company or entity responsible for the maintenance. In this context, particularly relevant become technical object maintenance procedures and tasks developed by their manufacturers. Experience of the article authors quite early shows the need of the maintenance programmes modification. Aircraft manufacturers usually are not so eager to develop and implement maintenance programme modifications. Presented situation is very much the case in aviation transport. This was the reason why authors of this article decided to prepare and develop this elaboration which might constitute the assistance and supports complex technical objects users in maintenance decision. The main purpose of this article is to present maintenance decisions’ supporting method for the aircraft operators. This article provides guidelines which include a description of risk in the context of aviation maintenance and introduction of some methodologies, tools and criteria that support identification, analysis and evaluation of risk. Authors included idea, how the aircraft preventive maintenance could be used to mitigate aircraft failure risk during flight operations. It also shows how to adopt and develop effective maintenance program using tools for adequate risk analysis, optimal interval assignments, and selection of the most effective maintenance task. Authors presented methodology and described steps of the logic diagram analysis for the aircraft systems and their components, in order to manage and adopt aircraft maintenance program to fulfil aircraft airworthiness requirements and operational availability. The whole methodology was described on the basis of the F 16 aircraft maintenance system and with reference to the maintenance data. This article might also constitute an introduction to the aircraft maintenance programme development method.
    Źródło:
    Archives of Transport; 2021, 59, 3; 93-111
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Conflict-free trajectory planning based on the model predictive control theory
    Autorzy:
    Han, Yun-xiang
    Huang, Xiao-qoing
    Powiązania:
    https://bibliotekanauki.pl/articles/223811.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    civil aviation
    air transportation
    aircraft
    air traffic control
    separation
    trajectories
    optimization
    model predictive control
    lotnictwo cywilne
    transport powietrzny
    samolot
    kontrola ruchu lotniczego
    separacja
    trajektorie
    optymalizacja
    sterowanie predykcyjne
    Opis:
    Model Predictive Control (MPC) is a model-based control method based on a receding horizon approach and online optimization. A key advantage of MPC is that it can accommodate constraints on the inputs and outputs. This paper proposes a max-plus general modeling framework adapted to the robust optimal control of air traffic flow in the airspace. It is shown that the problem can be posed as the control of queues with safety separation-dependent service rate. We extend MPC to a class of discrete-event system that can be described by models that are linear in the max-plus algebra with noise or modeling errors. Regarding the single aircraft as a batch, the relationships between input variables, state variables and output variable are established. We discuss some key properties of the system model and indicate how these properties can be used to analyze the behavior of air traffic flow. The model predictive control design problems are defined for this type of discrete event system to help prepare the airspace for various robust regulation needs and we give some extensions of the air traffic max-plus linear systems.
    Źródło:
    Archives of Transport; 2016, 37, 1; 77-85
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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