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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Biomechanical load analysis in case of child cyclist collision with passenger car
 Schejbalová, Zuzana ; Lenková, Alžběta ; Mičunek, Tomáš
The safety of pedestrians and cyclists is justified especially in terms of prevention. This paper deals with the biomechanical analysis of load exerted on the child cyclist in configuration typical for cyclists (sudden enter the road or the case of non-giving way; the car front vs. the left side of the cyclists). Two tests were performed in the same configuration and nominal collision speed, the first one with a bicycle helmet and the second one without the helmet. Using the accelerometers in the head, chest, pelvis and knee of the dummy acceleration fields were detected, which is the cyclist exposed during the primary and secondary collision. In conclusion, the results will be interpreted by values of biomechanical load and severity of potential injuries including kinematic and dynamic comparison with a pedestrian vs. vehicle collision.
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Car black boxes /the problem of data acquisition and analysis for use in forensic science/
 Lenková, Alžběta ; Schmidt, Drahomír
The amount of recording devices for independent installation to cars and trucks is increasing. These devices can be called cars’ black boxes. They measure the fundamental vehicle dynamics and record the actual GPS position of the car; alternatively they are able to record the video sequence. The usage of these devices for the vehicle accident analysis is undoubtedly advantageous. This article is aimed to the problematic of analysis of data acquired from these systems, definition of sources of uncertainties and errors. The aim of this article isn’t in the certain evaluation of any system. The aim is to give an impulse for the expert discussion in the field of demands and requirements to these independent systems from the forensic expertise point of view. A comparison with the EDR units is outlined.
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