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Wyświetlanie 1-3 z 3
Tytuł:
Ergonomy of the inside of a motorcar cabin used by a person with locomotiye disability - a case study. Part I. Anthropometric analysis
Autorzy:
Zabłocki, M.
Sydor, M.
Powiązania:
https://bibliotekanauki.pl/articles/246019.pdf
Data publikacji:
2009
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
personal car
driver with a locomotive disability
video registration of traffic
motorcar instrumentation
Opis:
The study discusses results of investigations carried out in the course of driving a motorcar by a person with a locomotive disability. Driving tests were conducted in road conditions as well as on a manoeuvring sąuare. Observations concerned interactions of the disabled person during his/her utilisation of different pieces of equipment situated within the reach of the user's hands. The scope of the performed analysis covered investigations concerning somatic and receptor relationships in the man - technical means system and, to a lesser extent, dealt with the psychological aspects of vehicle driving. The investigations employed selected methods of Identification of expectations from direst users - video registration. Initial investigations were carried out for one person with a locomotive disability (paraplegia). Driver 's positions when performing various manoeuvres were initially compared with standard data (access to the comfort zone or comfort angles). The finał result of initial experiments is a description of the adjustment of the vehicle with equipment (manually-operated accelerator - brake) to the requirements of the driver with a locomotive disability. Moreover, the authors also give a list ofoperations, performed in the car, which require either assistance using technical means or redesigning in the motorcar.
Źródło:
Journal of KONES; 2009, 16, 1; 559-566
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Landing gear dynamic tests with strain gages
Autorzy:
Sobieszek, A.
Paprzycki, I.
Tywoniuk, A.
Powiązania:
https://bibliotekanauki.pl/articles/245070.pdf
Data publikacji:
2015
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
landing gear test
dynamic test
load measurement
strain gage instrumentation
strain gage installation
Opis:
Strain gage sensing is widely used method for measurements conducted during dynamic tests. This article describes electrical resistance strain gages performing force measurement during the tests of main and nose landing gear of medium-lift civil aircraft. It is the most common method used for measuring mechanical properties like force, pressure, stress, strain, etc. Strain gages were installed in selected areas of the Drop Test Stand. The paper presents advantages of strain gage measuring method in regards to commercially available, ready-made force sensors. Furthermore, it describes the process of selecting strain gage and load cell measurement systems (bridge, half bridge, quarter bridge) and its influence on the test results. What is more the technological process is presented, taking into account the strain gage installation adhesive technology and sensor protection against external conditions, performance of the measurement system and connection to the data acquisition system. Continuing with the process description of calibrating a load cell system for measuring the occurring forces. The article is summed up with an analysis of the problems which arise during the installation and measurement process using strain gages, and includes a description of advantages and disadvantages that occur while applying strain gages while preforming force measurement.
Źródło:
Journal of KONES; 2015, 22, 3; 221-227
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development of research engine control unit using FPGA - based embedded control system
Autorzy:
Anand, B. P.
Saravanan, C. G.
Powiązania:
https://bibliotekanauki.pl/articles/246480.pdf
Data publikacji:
2012
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
ECU
RECU
engine control algorithm
LabVIEW
virtual instrumentation
FPGA
fuel map
automotive sensor
Opis:
Though the Electronic Control Unit (ECU) systems are wide use in modern vehicles, they are manufactured by a few companies and supplied to engine manufacturers. Automotives with factory made ECUs designed to maximize the performance while minimize cost. However, factory made ECUs (FECU) have closed software and hardware. The control gain, lookup tables, and constants used in the algorithms are also calibrated for a particular engine design. Unlike the carburettor, these systems cannot be opened and studied under different operating conditions to determine their characteristics and how they influence the performance of an engine. They can be used as black boxes and work only at specified modes as determined by their electronic control unit (ECU) and more over the algorithms and their implementation are maintained as trade secret by the developers. In the research work, it often becomes necessary to study parameters like injection duration, injection timing, sensor responses etc. to ascertain their effects. Thus in such cases the factory made ECU supplied with the injection system cannot be used. The required need is fulfilled by developing a customized electronic controller that would be suitable for studying the variations at engine operating points. The project involved the development of a research ECU (RECU) using reconfigurable field programmable gate arrays (FPGA) based embedded control system for a four-stroke port fuel injected gasoline engine. A calibrated fuel map is generated for various operating points of the engine using virtual instrumentation (VI) based software while simulating functions of sensors. From the mapping, the fuel injection time and fuel delivery quantity is estimated for the required running conditions of the engine. The developed Research Electronic Control Unit (RECU) could reveal gasoline engine performance in particular for research-based applications as it involves frequent programme development and control implementations.
Źródło:
Journal of KONES; 2012, 19, 3; 9-18
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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