The Multidimensional Threats of Unmanned Aerial Systems: Exploring Biomechanical, Technical, Operational, and Legal Solutions for Ensuring Safety and Security

R Perz - Archives of Transport, 2024 - archivesoftransport.com
Unmanned Aerial Vehicles (UAVs), also referred to as drones, are increasingly utilized in
sectors such as surveillance, transportation, and entertainment. The global UAV market …

Finite element method analysis of bone stress for variants of locking plate placement

M Palka, P Miszczyk, M Jurewicz, R Perz - Heliyon, 2024 - cell.com
This study investigates the optimal placement of locking plate screws for bone fracture
stabilization in the humerus, a crucial factor for enhancing healing outcomes and patient …

An investigation of compliant contact force models applied for analysis of simultaneous, multi-zone impacts of particles

M Warzecha - Computational Particle Mechanics, 2024 - Springer
Compliant contact force models were developed and mainly used to investigate simple
impacts of two bodies. It is therefore unclear how they will perform in more complex cases …

[PDF][PDF] Experimental research of energy absorbing structures within helmet samples made with the additive manufacturing method-preliminary study.

W Toboła, M Papis, D Jastrzębski… - Acta of Bioengineering & …, 2023 - researchgate.net
Purpose: This study aimed to develop an energy-absorbing structure for bicycle helmets to
minimize head injuries caused by collisions. The research team explored three geometric …

A comprehensive experimental study on head trauma in a 3-year-old child due to unmanned aerial vehicle collisions

R Perz, I Dąbrowski, F Zakrzewski… - Acta of bioengineering …, 2023 - sciendo.com
Purpose: This research aimed to evaluate the biomechanical impact on a 3-year-old child's
head during collisions with unmanned aerial vehicles (UAVs), focusing on the effects of UAV …

[PDF][PDF] Mechanical and histomorphometrical evaluation of false and floating ribs of young adults with idiopathic scoliosis

J Głowacki, M Tomanik, C Pezowicz… - Acta of Bioengineering …, 2020 - bibliotekanauki.pl
The aim of this paper was to assess the histomorphometrical and mechanical properties of
ribs in patients with idiopathic scoliosis who underwent corrective surgery of scoliosis …

The assessment of temperature amplitude arising during the implant bed formation in relation to variable preparation parameters–study

P Kosior, A Nikodem, M Kozuń, K Dudek… - Acta of Bioengineering …, 2021 - sciendo.com
The main purpose of this study was to analyse the temperatures generated during the bone
bed preparation, given the internal structure of the bone bed, the geometry of the hole, and …

An Improved Approach in the Application of an Elastic-Plastic Contact Force Model in the Modelling of Multiple Impacts

M Warzecha, R Grzejda - Tribologia, 2023 - yadda.icm.edu.pl
This paper presents the modelling of a simultaneous multiple collision occurring between
several bodies of a kinematic chain. An algorithm is proposed that when used with an …

Assessing the Effects of Alcohol Influence on Manual Unmanned Aerial Vehicle Control: An Experimental Study on Flight Capability and Precision

R Perz, I Dąbrowski, M Kuminarczyk, I Kurlanda… - 2023 - preprints.org
This study examines the impact of alcohol concentration on the precision of unmanned
aerial vehicle (UAV) operations. While the impact of alcohol impairment on various activities …

ULEPSZONE PODEJŚCIE DO WYKORZYSTANIA ELASTO-PLASTYCZNEGO MODELU SIŁY KONTAKTU W MODELOWANIU ZDERZENIA WIELOKROTNEGO

M Warzecha, R Grzejda - KWARTALNIK TRIBOLOGIA, 2023 - t.tribologia.eu
W artykule przedstawiono modelowanie symultanicznego zderzenia wielokrotnego
zachodzącego pomiędzy kilkoma ciałami łańcucha kinematycznego. Zaproponowano …