Results 31 to 40 of about 20,673,586 (324)

Boundary controllability and source reconstruction in a viscoelastic string under external traction [PDF]

open access: yes, 2013
Treatises on vibrations devote large space to study the dynamical behavior of an elastic system subject to known external tractions since usually a ``system'' is part of a chain of mechanisms which disturb the ``system'' for example due to the periodic ...
Luciano Pandolfi, Pandolfi, Luciano
core   +1 more source

Performance evaluation of the hydrogen-powered prototype locomotive ‘Hydrogen Pioneer’ [PDF]

open access: yes, 2014
The narrow-gauge locomotive ‘Hydrogen Pioneer’, which was developed and constructed at the University of Birmingham, was employed to establish the performance of a hydrogen-hybrid railway traction vehicle.
Roberts, Clive; id_orcid   +5 more
core   +1 more source

Experimentally based numerical models and numerical simulation with parameter identification of human lumbar FSUs in traction [PDF]

open access: yes, 2004
Numerical simulation of the behaviour of human lumbar spine segments, moreover, parameter-identification of the component organs of human lumbar FSUs are presented in traction therapies, by using FEM analysis. First, a simple 2D model, than a refined 2D
Tornyos, A., Kurutzné Kovács, Márta
core   +1 more source

A Biomechanical Investigation of Athletic Footwear Traction Performance: Integration of Gait Analysis with Computational Simulation

open access: yesApplied Sciences, 2020
Evaluations are vital to quantify the functionalities of athletic footwear, such as the performance of slip resistance, shock absorption, and rebound.
Kao-Shang Shih   +6 more
semanticscholar   +1 more source

Traction Performance Evaluation for a Rashid-1 Rover Wheel

open access: yesSpace Science Reviews
Single-wheel experiments and discrete element method simulations of a micro-rover wheel modelled on the Rashid-1 rover designed for the Emirates lunar mission.
James Hurrell   +5 more
semanticscholar   +1 more source

Experimental Analysis of Traction Performance of Tracked Mining Vehicles in Deep-Sea Sediments

open access: yesJournal of Marine Science and Engineering
The complex seabed topography and mechanical properties of deep-sea sediments impose stringent requirements on the traction performance and locomotion stability of tracked mining vehicles.
Lixin Xu   +6 more
doaj   +1 more source

Re-adhesion control for a railway single wheelset test rig based on the behaviour of the traction motor [PDF]

open access: yes, 2013
A method for detecting wheel slip/slide and re-adhesion control of AC traction motors in railway applications is presented in this paper. This enables a better utilisation of available adhesion and could also reduce wheel wear by reducing high creep ...
Liang, B.   +3 more
core   +1 more source

Hybrid magnetic bearing

open access: yesВестник Самарского государственного технического университета. Серия: Технические науки, 2020
Increase of energy efficiency and decrease of weight-size parameters is an important problem for improvement of magnetic bearings. Using of permanent magnets on base of rare earth metals is promising direction for improvement of consumer properties of ...
Yuri A. Makarichev   +3 more
doaj  

Storage Device Sizing for a Hybrid Railway Traction System by Means of Bicausal Bond Graphs [PDF]

open access: yes, 2006
In this paper, the application of bicausal bond graphs for system design in electrical engineering is emphasized. In particular, it is shown how this approach is very useful for model inversion and parameter dimensioning.
Sareni, Bruno   +2 more
core   +1 more source

Design principles and traction performance of a novel zero-spin rolling conical traction continuously variable transmission

open access: yesProceedings of the Institution of mechanical engineers. Part D, journal of automobile engineering, 2020
In the existing traction continuously variable transmission (CVT), half toroidal CVT (HT-CVT) is considered to have a better traction performance. However, the HT-CVT has the spin losses due to its structural limitations, which significantly influences ...
Chao Li   +5 more
semanticscholar   +1 more source

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