Results 31 to 40 of about 323,696 (314)

Hybrid fuzzy and sliding-mode control for motorised tether spin-up when coupled with axial vibration [PDF]

open access: yes, 2009
A hybrid fuzzy sliding mode controller is applied to the control of motorised tether spin-up coupled with an axial oscillation phenomenon. A six degree of freedom dynamic model of a motorised momentum exchange tether is used as a basis for interplanetary
Chen, Y., Cartmell, M.P., Cartmell, M.
core   +1 more source

SLIDING OF POLYETHYLENE COMPOSITES ON ARTIFICIAL TURF [PDF]

open access: yesJournal of the Egyptian Society of Tribology, 2020
Artificial turf made of polyethylene (PE) fibers is extensively applied in sport yards.  It offers cheaper and carefree alternative for natural turf. The high magnitude of electrostatic charge (ESC) generated from polyethylene (PE) fibers has negative ...
A. S. Ali, W. Y. Ali, R. A. Ibrahem
doaj   +1 more source

Continuous Adaptive Finite Reaching Time Control and Second-Order Sliding modes [PDF]

open access: yes, 2013
This paper focuses on the design of adaptive finite reaching time control for first- and second-order dynamic systems with perturbation terms given in a regressive form. The uncertainties considered here are assumed to be bounded with unknown bounds. The
Spurgeon, Sarah K.   +3 more
core   +1 more source

Small-scale instabilities in dynamical systems with sliding [PDF]

open access: yes, 2010
NOTICE: this is the author’s version of a work that was accepted for publication in Physica D: Nonlinear Phenomena . Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality ...
Kowalczyk, P.   +3 more
core   +1 more source

Combined Type II Amyand's hernia and sliding hernia: A rare presentation of an unusual type of inguinal hernia

open access: yesInternational Journal of Abdominal Wall and Hernia Surgery, 2020
Repair of inguinal hernia is one of the most common procedures in general surgical practice. Amyand's hernia is an unusual condition that entails the presence of the appendix in the hernial sac.
Sameh Hany Emile   +2 more
doaj   +1 more source

Predicting Low Sliding Friction in Al-Steel Reciprocating Sliding Experiment after a Controlled Grinding of the Steel Counterface

open access: yesLubricants
The aim of this study was to identify the areal surface parameters that correlated with lowering of sliding friction. Different ground surfaces were created on stainless steel and the lubricated sliding friction generated at the contact interface with a ...
Gopakumar Parameswaran   +2 more
doaj   +1 more source

Comparative Study on the Cavitation Erosion and Sliding Wear of Cold-Sprayed Al/Al2O3 and Cu/Al2O3 Coatings, and Stainless Steel, Aluminium Alloy, Copper and Brass

open access: yesMetals, 2020
The paper investigates the cavitation erosion (CE) and sliding wear (SW) resistance of cold-sprayed Al/Al2O3 and Cu/Al2O3 composites and studies them in relation to a set of metallic materials such as aluminium alloy (AlCu4Mg1), pure copper (Cu110 ...
Mirosław Szala   +3 more
doaj   +1 more source

Supporting Survivor‐Centered Care Through Digital Health Integration

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Survivors of childhood cancer face barriers to receiving guideline‐based, long‐term follow‐up care. Two digital tools, Passport for Care (PFC) and Cancer SurvivorLink (SurvivorLink), address complementary gaps by enabling tailored survivorship care plan (SCP) generation, updating, storage, and sharing.
Jordan G. Marchak   +15 more
wiley   +1 more source

MOVEMENT OF RIGID AUTOMOBILE WHEEL AT ACTION OF TWISTING MOMENT AND PUSHING FORCE [PDF]

open access: yesAvtomobilʹnyj Transport (Harʹkov), 2011
The additional mode of wheel rolling at which the wheel is influenced by the twisting moment and pushing force is determined. In this mode the tangent reaction can have both a positive and negative direction.
M. Podrіgalo, N. Potapov
doaj  

Tribology of rail bogie

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2018
Railway bogie is the basic element that determines the force, kinematic, power and other parameters of the rolling stock, and its movement in the railway track has not been studied enough.
D. P. Markov
doaj   +1 more source

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