Results 31 to 40 of about 2,266,908 (195)
Models of identification of parallel structure mechanisms [PDF]
, 2019 Представлено обґрунтування можливості моделювання об'єктів на основі сигнатур, які являють собою образ механізму паралельної структури у вигляді спектра власних коливань структурно пов'язаних актуаторів і виконавчих ланок.
Ковалевська, Олена Сергіївна +1 more
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Control of Parallel Mechanisms.
Journal of the Robotics Society of Japan, 1992 There is a great deal of research on control of parallel mechanisms that considers their characteristics or how they may be made best use of. In this review, a dynamic control method by Uecker is introduced. As to force control, it explains effectiveness of parallel mechanisms and a hybrid control scheme by Nguyen.
openaire +2 more sources
Lubrication Mechanisms Between Parallel Rough Surfaces [PDF]
Tribology Letters, 2019 This paper presents a numerical analysis of the hydrodynamic pressure build-up between parallel surfaces. According to the Reynolds theory, it is not possible to generate a pressure between flat parallel sliding surfaces. However, experimental results demonstrate that mechanical seal surfaces can be separated by a full fluid film if the sliding speed ...
Brunetière, Noël, Francisco, Arthur
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On the Direct Kinematics Problem of Parallel Mechanisms
Journal of Robotics, 2018 The direct kinematics problem of parallel mechanisms, that is, determining the pose of the manipulator platform from the linear actuators’ lengths, is, in general, uniquely not solvable.
Arthur Seibel +2 more
doaj +1 more source
Type Synthesis of Lower Mobility Parallel Mechanisms: A Review
Chinese Journal of Mechanical Engineering, 2019 Type synthesis of mechanisms aims to systematically determine all possible structures for a specific mobility requirement. Numerous methods based on different theories were proposed for type synthesis of lower mobility parallel mechanisms in past decades.
Wei Ye, Qinchuan Li
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Parallel seesaw mechanisms for neutrinos and freeze-in long-lived dark matter
Physics Letters B, 2023 If dark matter is light, it may be due to a seesaw mechanism just as neutrinos are. It is postulated that both originate from the same type of heavy fermion anchors, either singlets or triplets.
Ernest Ma
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(Non)Parallel developmental mechanisms in vertebrate appendage reduction and loss
Ecology and Evolution, 2021 Appendages have been reduced or lost hundreds of times during vertebrate evolution. This phenotypic convergence may be underlain by shared or different molecular mechanisms in distantly related vertebrate clades.
Samantha Swank +2 more
doaj +1 more source
, 2018 The mechanisms of deformation and failure of Cu/Nb nanolaminates manufactured by accumulated roll bonding were analysed using in-situ TEM mechanical tests.
Castillo-Rodríguez, M. +5 more
core +1 more source
A Comparative Study of Coq and HOL [PDF]
, 1997 This paper illustrates the differences between the style of theory mechanisation of Coq and of HOL. This comparative study is based on the mechanisation of fragments of the theory of computation in these systems.
A. Church, C. Paulin-Mohring
core +3 more sources
Advances in Mechanical Engineering, 2015 This paper presents a unified singularity modeling and reconfiguration analysis of variable topologies of a class of metamorphic parallel mechanisms with parallel constraint screws.
Yufeng Zhuang, Dongming Gan
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