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Št. zadetkov: 7
Analiza in sinteza mehanizmov
Robert Kunc, Simon Krašna, Nikolaj Mole, Boris Jerman, Marko Kegl
Univerzitetni, visokošolski ali višješolski učbenik z recenzijo
Oznake: mehanizmi;kinematika;dinamika;analiza;sinteza;
Temeljita obravnava mehanizmov je v splošnem zahtevna problematika, kjer je praktično nujna uporaba ustrezne računalniške podpore. Kljub temu so se v zgodovini nauka o mehanizmih razvile učinkovite metode za analizo in sintezo, ki pokrijejo širok spekter mehanizmov v praksi. Zbirka rešenih nalog je ...
Leto: 2024 Vir: Fakulteta za strojništvo (UL FS)
Estimating the effects of awareness on neck-muscle loading in frontal impacts with EMG and MC sensors
Simon Krašna, Srdjan Djordjević
Izvirni znanstveni članek
Oznake: biomehanika;trki vozil;trčni preizkusi;aktivni odziv;mišične obremenitve;MC senzor;EMG senzor;biomechanics;vehicle collision;sled tests;active response;muscle loads;MC sensor;EMG sensor;
Critical traffic situations, such as vehicle collisions and emergency manoeuvres, can cause an occupant to respond with reflex and voluntary actions. These affect the occupant's position and dynamic loading during interactions with the vehicle's restraints, possibly compromising their protective fun ...
Leto: 2020 Vir: Fakulteta za strojništvo (UL FS)
Accelerations of public transport vehicles
Arne Keller, Simon Krašna
Izvirni znanstveni članek
Oznake: javni prevoz;pospeški;nezgode;Legendrovi polinomi;generični pospeškovni profili;public transport;non-collision incidents;acceleration time series;Legendre polynomials;generic acceleration pulses;
Investigating the postural balance and stability of standing passengers of public transport in laboratory or numerical tests requires generic test pulses, which replicate the acceleration/deceleration characteristics of common public transport vehicles such as buses or trams. We propose a method to ...
Leto: 2023 Vir: Fakulteta za strojništvo (UL FS)
Izvedba motorja z notranjim zgorevanjem brez ročične gredi
Ivan Makovec, Simon Krašna, Robert Kunc
Diplomsko delo
Oznake: diplomske naloge;motorji z notranjim zgorevanjem;ročične gredi;konjugiran par odmičnih krivulj;kinematične funkcije;kontaktne sile;
V tem delu smo raziskali in izvedli analize kinematike izvedbe motorja, ki namesto klasične izvedbe ročične gredi vključuje par konjugiranih odmičnih krivulj, ki omogočata prenos moči od batov preko veznih ročic in nihajno vpetih kotalnih slednikov do pogonske gredi. Preverili smo vpliv različnih ob ...
Leto: 2024 Vir: Fakulteta za strojništvo (UL FS)
ǂA ǂnovel approach to measuring muscle mechanics in vehicle collision conditions
Simon Krašna, Srdjan Djordjević, Marija Hribernik, Ana Trajkovski
Izvirni znanstveni članek
Oznake: biomehanika;vozila;potniki;trk;prometne nesreče;mišična aktivnost;biomechanics;vehicle ocupant;impact;in vivo;muscle activity;
The aim of the study was to evaluate a novel approach to measuring neck muscle load and activity in vehicle collision conditions. A series of sled tests were performed on 10 healthy volunteers at three severity levels to simulate low-severity frontal impacts. Electrical activity-electromyography (EM ...
Leto: 2017 Vir: Fakulteta za strojništvo (UL FS)
Analysis of the mechanical response of damaged human cervical spine ligaments
Ana Trajkovski, Marija Hribernik, Robert Kunc, Matej Kranjec, Simon Krašna
Izvirni znanstveni članek
Oznake: spine biomechanics;cervical spine;ligament;injury;subfailure;
Background: Cervical spine ligaments that protect the spinal cord and stabilize the spine are frequently injured in motor vehicle collisions and other traumatic situations. These injuries are usually incomplete, and often difficult to notice. The focus of the presented study is placed on analysis of ...
Leto: 2020 Vir: Fakulteta za strojništvo (UL FS)
Material properties of human patellar-ligament grafts from the elderly population
Matej Kranjec, Ana Trajkovski, Simon Krašna, Marija Hribernik, Robert Kunc
Izvirni znanstveni članek
Oznake: patellar ligament;elderly population;material properties;stress-strain;toe region;
The aim of the presented study was to estimate the material properties of human patellar ligaments from the elderly population by means of tensile tests. The experimental part was conducted on a custom tensile-testing device, with a built-in enclosure to simulate in-vivo conditions, using 25 (15 fem ...
Leto: 2020 Vir: Fakulteta za strojništvo (UL FS)
Št. zadetkov: 7
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