Results 61 to 70 of about 212,383 (275)

Extending Battery Usage Time of a Heavy‐Duty Mecanum‐Wheeled Autonomous Electric Vehicle Used in Iron–Steel Industry by Considering Wheel Slippage

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
It is a fact that slippage causes tracking errors in both longitudinal and lateral directions which results to have less travel distance in tracking a reference trajectory. Less travel distance means having energy loss of the battery and carrying loads less than planned.
Gokhan Bayar   +2 more
wiley   +1 more source

Optimization of the force mode of range change in an articulated boom system with a geared sector at a fixed mode of crane rotation

open access: yesStrength of Materials and Theory of Structures, 2023
Variational calculus methods were used to optimize the boom system's flight change mode. For this, a variational problem is set, which includes the differential equations of motion of the jib system, the optimization criterion, and the boundary ...
V. Loveykin   +3 more
semanticscholar   +1 more source

Assessing the viability of genebanked seeds from rare, wild plants native to the United States using the D.E.A.D. paradigm

open access: yesApplications in Plant Sciences, EarlyView.
Abstract Premise Genebanks must maintain viable seeds for decades. Seeds that germinate are clearly alive, but some seeds, often from wild populations, do not germinate because they are dormant, empty, aged, or damaged (D.E.A.D.). This work evaluates the effects of D.E.A.D.
Christina Walters   +33 more
wiley   +1 more source

Motion of cranes of bridge type simulation in the MS Excel environment [PDF]

open access: yes, 2014
The idle times of the crane caused by need of replacement of wheels, can have critical value for functioning of a logistic chain. In article the task about the movement of the crane with a skew with the accounting of several mutually influencing ...
Grigorov, Otto, Stepochkina, Olga
core  

Mindfulness and resilience: The experiences of global majority students in a mindfulness intervention Programme at a UK university

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Wellbeing in higher education (HE) in the United Kingdom has been increasingly prioritised for many institutions, with a growing demand for student support requests. There are various determinants in life that can influence mental health. As such, protected characteristics, including race, can indicate that students who are Black or Asian ...
Amy Bywater, Helen Keane
wiley   +1 more source

Payload Oscillations Minimization via Open Loop Control. [PDF]

open access: yes, 2017
The results of tests of payload oscillations, forced by linear control function which allows to minimize payload sway after acceleration phase and after overhead crane stopping are presented in this paper.
Kosucki, Andrzej
core  

Early evolutionary history of the seed

open access: yesBiological 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

Use of the ballistic pendulum model in the analysis of crane system transients

open access: yesMechanics And Mathematical Methods, 2023
A number of factors affecting the accuracy of experimental determination of small velocities of pendulum vibrations of the load on the rope of the crane hoisting mechanism, arising at start-up, braking or reversing of the crane system, have been analyzed.
Yu. Chovniuk   +3 more
semanticscholar   +1 more source

A neuro‐behavioural model of neophobia

open access: yesBiological 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

Optimal Storage Rack Design for a 3D Compact AS/RS with Full Turnover-Based Storage [PDF]

open access: yes, 2006
Compact, multi-deep (3D) automated storage and retrieval systems (AS/RS) are becoming increasingly popular for storing products with relatively low turnover on a compact area. An automated storage/retrieval crane takes care of movements in the horizontal
Koster, M.B.M. (René) de   +1 more
core  

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