Results 41 to 50 of about 110,391 (248)
A novel model-free adaptive terminal sliding mode controller for bridge cranes
Measurement + Control, 2023 To achieve stabilisation control of an underactuated bridge crane system, a new robust control strategy for the sliding mode is proposed in this paper. It can realise finite-time-convergent stabilisation control under the conditions of model uncertainty,
Tianlei Wang +5 more
doaj +1 more source
Bridge crane reconstuction [PDF]
, 2010 Bakalářská práce je zaměřena na renovaci mostového jeřábu. Hlavním cílem bakalářské práce je navržení všech pohonů a navržení mechanických součástí, které bude nutno po výměně motorů taktéž zrenovovat. Bakalářská práce je rozdělena na dvě části.
Ježek, Tomáš
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Early evolutionary history of the seed
Biological Reviews, EarlyView.ABSTRACT The seed is an essential stage in the life history of gymnospermous and angiospermous plants, facilitating both their survival and dispersal. We reappraise knowledge of the evolutionary history of the gymnospermous seed, from its origin in the late Devonian through to the well‐known end‐Permian extinctions – an interval encompassing the ...
Richard M. Bateman +2 more
wiley +1 more source
Design of bridge crane girder strain acquisition system based on virtual instrument
Journal of Hebei University of Science and TechnologyGirder is an important part of the bridge crane, which is also the main force element. In order to prevent accidents, it is necessary to collect the bridge crane girder stress data to analyse the fatigue life.
Wenxue LIU, Long YAN, Shaopeng ZHAO
doaj +1 more source
Advances in Civil Engineering, 2021 Modular construction methods are adopted in many spatial and temporal limited projects. As the major equipment used in modular construction, the mobile crane affects the safety and efficiency of construction significantly. Currently, building information
Jiahao Tian +4 more
doaj +1 more source
Subterranean environments contribute to three‐quarters of classified ecosystem services
Biological Reviews, EarlyView.ABSTRACT Beneath the Earth's surface lies a network of interconnected caves, voids, and systems of fissures forming in rocks of sedimentary, igneous, or metamorphic origin. Although largely inaccessible to humans, this hidden realm supports and regulates services critical to ecological health and human well‐being.
Stefano Mammola +30 more
wiley +1 more source
MODELS’ SUPERPOSITION AT MODELING THE SATURATION OF CARGO SPATIAL VIBRATIONS
Вестник СибАДИ, 2018 Introduction. A solution of the problem of moving the load to a given distance is proposed in the article with the fulfillment of the condition for complete quenching of the uncontrollable pendulum spatial oscillations for the plane pendulum dynamical ...
M. S. Korytov, V. S. Shcherbakov
doaj +1 more source
Reducing dynamic loads during braking bridge crane by optimizing the mechanical characteristics of the electric drive [PDF]
, 2015 Викладено методику і результати пошуку оптимальної механічної характеристики електроприводу пересування мостового крану в режимі динамічного гальмування.
Nyezhentsev, O. +1 more
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The impossibility of sympathy [PDF]
, 2010 Copyright © 2010 University of Pennsylvania Press. All rights reserved. Except for brief quotations used for purposes of scholarly citation, none of this work may be reproduced in any form by any means without written permission from the publisher.
Gaston, S
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A neuro‐behavioural model of neophobia
Biological Reviews, EarlyView.ABSTRACT Fear can be defined as the internal neurological state that releases a repertoire of behaviours an animal performs to reduce the effect of an aversive factor. Neophobia, the fear of novelty, is a fundamental behavioural trait observed across a wide range of species from arthropods to humans.
Arik Dorfman, Aziz Subach, Inon Scharf
wiley +1 more source