Results 41 to 50 of about 134,702 (277)

An Investigation of Direct Torque Control and Hysteresis Current Vector Control for Motion Control Synchronous Reluctance Motor Applications

open access: yesPower Electronics and Drives, 2019
Synchronous reluctance motor drives are one of the most attractive alternatives of permanent magnet synchronous motor drives and induction motor drives in the field of conventional industrial and household applications.
Vajsz Tibor   +2 more
doaj   +1 more source

Synchronous vs Asynchronous Chain Motion in α-Synuclein Contact Dynamics [PDF]

open access: yes, 2008
α-Synuclein (α-syn) is an intrinsically unstructured 140-residue neuronal protein of uncertain function that is implicated in the etiology of Parkinson’s disease.
Angulo, David   +5 more
core   +3 more sources

Semi-Analytical Search for Sun-Synchronous and Planet Synchronous Orbits around Jupiter, Saturn, Uranus and Neptune

open access: yesMathematics, 2022
With the development of aerospace science and technology, more and more probes are expected to be deployed around extraterrestrial planets. In this paper, some special orbits around Jupiter, Saturn, Uranus, and Neptune are discussed and analyzed.
Biao Yang   +7 more
doaj   +1 more source

On the equilibrium rotation of Earth-like extra-solar planets [PDF]

open access: yes, 2008
The equilibrium rotation of tidally evolved "Earth-like" extra-solar planets is often assumed to be synchronous with their orbital mean motion. The same assumption persisted for Mercury and Venus until radar observations revealed their true spin rates ...
A. C. M. Correia   +23 more
core   +3 more sources

Environment Perception with Chameleon-Inspired Active Vision Based on Shifty Behavior for WMRs

open access: yesApplied Sciences, 2023
To improve the environment perception ability of wheeled mobile robots (WMRs), the visual behavior mechanism of the negative-correlation motion of chameleons is introduced into the binocular vision system of WMRs, and a shifty-behavior-based environment ...
Yan Xu   +6 more
doaj   +1 more source

Synchronization over Cartan Motion Groups via Contraction [PDF]

open access: yesSIAM Journal on Applied Algebra and Geometry, 2018
Group contraction is an algebraic map that relates two classes of Lie groups by a limiting process. We utilize this notion for the compactification of the class of Cartan motion groups. The compactification process is then applied to reduce a non-compact synchronization problem to a problem where the solution can be obtained by means of a unitary ...
Özyeşil, Onur   +2 more
openaire   +3 more sources

Synchronous facial action binds dynamic facial features

open access: yesScientific Reports, 2021
We asked how dynamic facial features are perceptually grouped. To address this question, we varied the timing of mouth movements relative to eyebrow movements, while measuring the detectability of a small temporal misalignment between a pair of ...
Alan Johnston, Ben B. Brown, Ryan Elson
doaj   +1 more source

Cosmological Perturbation Theory for streams of relativistic particles [PDF]

open access: yes, 2014
Motion equations describing streams of relativistic particles and their properties are explored in detail in the framework of Cosmological Perturbation Theory.
Bernardeau, Francis, Dupuy, Hélène
core   +5 more sources

Beam Dynamics and Beam Losses - Circular Machines [PDF]

open access: yes, 2016
A basic introduction to transverse and longitudinal beam dynamics as well as the most relevant beam loss mechanisms in circular machines will be presented in this lecture.
Kain, V.
core   +3 more sources

Analysis of Direct Torque Control with pace Vector Modulation for Synchronous Reluctance Motor Motion Control Applications and a Comparison with Other Torque-Control Algorithms

open access: yesPower Electronics and Drives, 2019
Motion control is facing an increasing popularity in the present research activities. Owing to the expected wide spreading of motion control applications, it can be predicted that the advancements in the field of electric motor drives will have a high ...
Vajsz Tibor   +2 more
doaj   +1 more source

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