Results 121 to 130 of about 2,976 (212)

Pantograph wear assesment in overhead conductor rail systems [PDF]

open access: yes, 2011
Wear is the phenomenon that determines the lifetime of the collector strips. Since wear is an inevitable effect on pantograph-catenary systems, it is necessary to determine optimal operating conditions that can mitigate its effects. In this study we have
Chover Álvarez-Monteserín, José Antonio   +4 more
core  

A Hemispherical Contact Model for Simplifying 3D Occlusal Surfaces [PDF]

open access: yes, 2018
Statement of problem Currently, dental articulators can recreate mandibular movements and occlusal contacts. However, whether virtual articulators can also provide information about occluding dental surfaces, functional movements, and the mandibular ...
Carranza-Cañadas, Pilar   +4 more
core   +1 more source

Solvability and Ulam–Hyers–Rassias stability for generalized sequential quantum fractional pantograph equations

open access: yesPartial Differential Equations in Applied Mathematics
In the present manuscript, we discuss the existence, uniqueness an Ulam-stability of solutions for sequential fractional pantograph equations involving n Caputo and one Riemann–Liouville q−fractional derivatives.
Mohamed Houas, Mohammad Esmael Samei
doaj   +1 more source

Functional differential equations arising in cell-growth [PDF]

open access: yes, 2009
Non-local differential equations are notoriously difficult to solve. Cell-growth models for population growth of a cohort structured by size, simultaneously growing and dividing, give rise to a class of non-local eigenvalue problems, whose “principal ...
Begg, R E, Wake, Graeme
core  

Technology evaluation of man-rated acceleration test equipment for vestibular research [PDF]

open access: yes
The considerations for eliminating acceleration noise cues in horizontal, linear, cyclic-motion sleds intended for both ground and shuttle-flight applications are addressed. the principal concerns are the acceleration transients associated with change in
Butterfield, A. J.   +2 more
core   +1 more source

Pantograph Detection Algorithm with Complex Background and External Disturbances. [PDF]

open access: yesSensors (Basel), 2022
Tan P   +7 more
europepmc   +1 more source

Universality theorems for configuration spaces of planar linkages

open access: yes, 1998
We prove realizability theorems for vector-valued polynomial mappings, real-algebraic sets and compact smooth manifolds by moduli spaces of planar linkages.
Kapovich, Michael, Millson, John J.
core   +2 more sources

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