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Wyszukujesz frazę "road accidents" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
Analysis of motorcyclist’s body movement during a motorcycle impact against a motor car side
Autorzy:
Prochowski, L.
Pusty, T.
Powiązania:
https://bibliotekanauki.pl/articles/246884.pdf
Data publikacji:
2013
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
road traffic
road accidents
motorcyclist's safety
motorcyclist's kinematics
Opis:
The motorcyclist’s body motion following a motorcycle impact against a motor car side is determined by a system of forces and reactions acting on the rider’s body. An analysis of this motion was carried out, based on a research experiment. The related measurements and calculations were taken as a basis for an analysis of the dynamic loads; they also indicated the type and scope of the bodily injuries that may be incurred by the motorcyclist during a road accident. Based on the research experiment, the trajectory of motorcyclist’s head and torso and the course of contact between the motorcyclist’s body and the car were determined. The acceleration values having been obtained from the measurements were used for determining the displacements and changes in the angular position of motorcyclist’s head and torso. The research experiment confirmed the motorcyclist’s head to be the part of his/her body that undergoes the highest accelerations. The system of forces and reactions acting on motorcyclist’s body at the initial stage of the motion under consideration may lead to a situation dangerous to the motorcyclist where his/her head hits the edge of the car roof.
Źródło:
Journal of KONES; 2013, 20, 4; 371-379
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Use of regression analysis for comparative evaluation of accident hazard in Poland, by regions
Autorzy:
Prochowski, L.
Gidlewski, M.
Dąbrowski, F.
Powiązania:
https://bibliotekanauki.pl/articles/246586.pdf
Data publikacji:
2017
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
regression analysis
road accidents
accident hazard by regions
Opis:
Calculations carried out made it possible to characterize changes in the accident hazard, in numerical terms, based on the course of the regression line. An analysis of the distribution, by regions, of the accident hazard and, above all, the showing of changes in this hazard is an important contribution to the actions taken to improve the road transport system. The rate of decrease in the number of accidents undergoes changes, which are particularly conspicuous in some voivodships (provinces) against the background of the general process of decline in the nationwide number of accidents. A graph to characterize this hazard has been presented, plotted with taking into account the changes in the number of accidents, recorded in monthly steps for a period of 7 years. The rate of these changes was also evaluated, in medium-term and short-term intervals. The calculation results were used to ascertain whether a decline in the total number of accidents in Poland is accompanied by similar changes taking place in individual regions. The symptoms of increasing share of the number of accidents that occur in a few regions in the total number of accidents taking place in Poland may be a cause for alarm.
Źródło:
Journal of KONES; 2017, 24, 4; 255-264
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Driving school students' training with the use of module close to - as a method contributing to change in young drivers' attitude and reducing the number of road accident with their participation in Europe
Autorzy:
Wacowska-Ślęzak, J.
Wnuk, A.
Jankowska, D. M.
Powiązania:
https://bibliotekanauki.pl/articles/244015.pdf
Data publikacji:
2008
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
road traffic safety
driving school courses
driving school students
drivers training
road accidents offenders
Opis:
The aim of the paper is to present the European Project "MODULE CLOSE TO". The project is executed in eleven European Union countries. The paper describes main objectives and guidelines of the project. The project's main result in the final stage should be the development of conditions for unification of drivers''training system across Europe by introducing into drivers' training new educational module. The module consists in realization of educational method called "peer-to-peer" during drivers' training, which is taken from addiction treatment prevention in which a peer reports on a problem to another peer. In drivers' training, the course participants are confronted with road accident offenders (course participants' peers) and their stories, which should lead to positive changes in attitudes and behaviours of young, beginning drivers and therefore to permanent reduction in number of both road accidents and their victims. The preliminary research confirmed that classes with road accident offenders have a positive influence on developing proper attitudes of young drivers. A discussion concentrated on offender, his/her susceptibility to risky behaviours, accident's circumstances, confrontation with its consequences and on serving an adjudged sentence makes an impression on young course participants. The project anticipates introduction of pilot classes in driving schools, high schools, etc. within the framework of drivers' training with participation of road accident offenders and also evaluation of its influence on course participants. The final effect of the project will be the development of conditions for introducing a new educational module into existing drivers' training system as well as developing conditions for recruiting accident offenders and actions motivating them to join the project realization.
Źródło:
Journal of KONES; 2008, 15, 2; 531-536
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The analysis of occupant motion in frontal barrier impact of a chassis frame vehicle
Autorzy:
Prochowski, L.
Zielonka, K.
Żuchowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/244471.pdf
Data publikacji:
2011
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
transport
road safety
vehicle safety
crash tests
frontal accidents
occupant kinematic
Opis:
Human body motion during a road accident usually results from the effect of forces of inertia. The analysis of that motion, particularly displacements towards the vehicle interior have significant practical aspect as it facilitates conclusions concerning the mechanisms of danger and injury formation. At the same time, the analysis provides direct indications regarding the improvement of passive safety equipment. The paper presents the time-space diagrams of motion of dummy’s head, neck, torso and hips – the driver of a frame chassis vehicle, identified on the basis of results of the measurements registered in frontal barrier impact and the frame-by-frame analysis of videos recorded during the course of experiment. Courses of these diagrams were associated with acceleration measurement results and forces affecting the parts of the dummy. The experiment showed the complex nature of the influence on the dummy caused by the forces of inertia after a collision of the vehicle with an barrier, vehicle body motion against the frame, reactions in the safety belts, friction on a seat and contact reaction of the vehicle interior equipment. At the same time, it presented the possibilities of indicating the courses of speed variations and dummy displacement as well as significant limitations of calculation possibilities that result from a fact that the process of the impact on the vehicle interior elements is hard to describe.
Źródło:
Journal of KONES; 2011, 18, 1; 491-502
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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