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Wyświetlanie 1-4 z 4
Tytuł:
A Vibroacoustic Diagnostic System as an Element Improving Road Transport Safety
Autorzy:
Komorska, I.
Powiązania:
https://bibliotekanauki.pl/articles/90803.pdf
Data publikacji:
2013
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
vehicle driving system
vibroacoustic signal
diagnostic model
transport drogowy
zagrożenia mechaniczne
uszkodzenia mechaniczne
sygnał wibroakustyczny
model diagnostyczny
Opis:
Mechanical defects of a vehicle driving system can be dangerous on the road. Diagnostic systems, which monitor operations of electric and electronic elements and devices of vehicles, are continuously developed and improved, while defects of mechanical systems are still not managed properly. This article proposes supplementing existing on-board diagnostics with a system of diagnosing selected defects to minimize their impact. It presents a method of diagnosing mechanical defects of the engine, gearbox and other elements of the driving system on the basis of a model of the vibration signal obtained adaptively. This method is suitable for engine valves, engine head gasket, main gearbox, joints, etc.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2013, 19, 3; 371-385
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Injury Risk in Behind Armor Blunt Thoracic Trauma
Autorzy:
Bass, C. R.
Salzar, R. S.
Lucas, C. R.
Davis, M.
Donnellan, L.
Folk, B.
Sanderson, E.
Waclawik, S.
Powiązania:
https://bibliotekanauki.pl/articles/90978.pdf
Data publikacji:
2006
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
blunt trauma
Thora
armor
ballistic
zagrożenia zdrowia
zagrożenia mechaniczne
uszkodzenie kości
profilaktyka
środki ochrony indywidualnej
służba wojskowa
kamizelka kuloodporna
Opis:
First responders and military personnel are particularly susceptible to behind armor blunt thoracic trauma in occupational scenarios. The objective of this study was to develop an armored thorax injury risk criterion for short duration ballistic impacts. 9 cadavers and 2 anthropomorphic test dummies (AUSMAN and NIJ 0101.04 surrogate) were tested over a range of velocities encompassing low severity impacts, medium severity impacts, and high severity impacts based upon risk of sternal fracture. Thoracic injuries ranged from minor skin abrasions (abbreviated injury scale [AIS] 1) to severe sternal fractures (AIS 3+) and were well correlated with impact velocity and bone mineral density. 8 male cadavers were used in the injury risk criterion development. A 50% risk of AIS 3+ injury corresponded to a peak impact force of 24,900 ± 1,400 N. The AUSMAN impact force correlated strongly with impact velocity. Recommendations to improve the biofidelity of the AUSMAN include implementing more realistic viscera and decreasing the skin thickness.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2006, 12, 4; 429-442
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Safeguarding Crushing Points by Limitation of Forces
Autorzy:
Mewes, D.
Mauser, F.
Powiązania:
https://bibliotekanauki.pl/articles/90845.pdf
Data publikacji:
2003
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
crushing points
crushing forces
measurement procedure
sensory tests
admissible forces
zagrożenia mechaniczne
niebezpieczeństwo wypadków
maszyny
czujnik zbliżeniowy
zabezpieczenia
ochrona przed zgnieceniem
Opis:
Limitation of forces can be a simple measure to safeguard crushing points at doors, machines, and vehicles. In this connection different standards define a threshold force value of 150 N. This widely accepted value refers to static forces that arise from impact on a person are frequently ignored, although they are generally higher than the static forces. The article describes an instrument for the measurement of static and dynamic crushing forces. This instrument has a stiffness that approximates the average stiffness of human fingers as one of the most at-risk parts of the human body with regard to crushing injuries. Sensory tests were carried out to define dynamic forces considered admissible at crushing points.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2003, 9, 2; 177-191
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Methodology for Assessing Blast Protection in Explosive Ordnance Disposal Bomb Suits
Autorzy:
Bass, C.
Davis, M.
Rafaels, K.
Rountree, M.
Harris, R. M.
Sanderson, E.
Andrefsky, W.
DiMarco, G.
Zielinski, M.
Powiązania:
https://bibliotekanauki.pl/articles/90267.pdf
Data publikacji:
2005
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
blast pressure
human surrogate
bomb suits
injury risk
head injury
neck injury
thoracic injury
ochrona przed wybuchem
wybuch
kombinezon
zagrożenia mechaniczne
środki ochrony indywidualnej
wojsko
Opis:
To reduce human casualties associated with explosive ordnance disposal, a wide range of protective wear has been designed to shield against the blast effects of improvised explosive devices and munitions. In this study, 4 commercially available bomb suits, representing a range of materials and armor masses, were evaluated against 0.227 and 0.567 kg of spherical C-4 explosives to determine the level of protection offered to the head, neck, and thorax. A Hybrid III dummy, an instrumented human surrogate [1], was tested with and without protection from the 4 commercially available bomb suits. 20 tests with the dummy torso mounted to simulate a kneeling position were performed to confirm repeatability and robustness of the dummies, as well as to evaluate the 4 suits. Correlations between injury risk assessments based on past human or animal injury model data and various parameters such as bomb suit mass, projected area, and dummy coverage area were drawn.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2005, 11, 4; 347-361
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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