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Affichage de 761 à 770 sur 5585

Article dans une revue

Study of circular Couette flow, Taylor vortex and wavy vortex regimes in Couette–Taylor flows with transient periodic oscillation of the inner cylinder—a computational fluid dynamics analysis

Shima Mahmoudirad, Ebrahim Shirani, Fethi Aloui

In this study, the structure of the fluid flow and vortices are investigated for the circular Couette flow, Taylor vortex and wavy vortex regimes by changing the Womersley number and periods of oscillations of the inner cylinder rotation. The rotational velocity of the inner cylinder, ω, increases…

Journal of the Brazilian Society of Mechanical Sciences and Engineering, 2021, 43 (12), pp.559. ⟨10.1007/s40430-021-03265-1⟩. ⟨hal-03534076⟩

Article dans une revue

Heuristic-based method for conflict discovery of shared control between humans and autonomous systems - A driving automation case study

Frédéric Vanderhaegen

The paper proposes a heuristic-based prospective method to discover possible conflicts of shared control between humans and autonomous systems. This method adapts the triplet Competence-Availability-Possibility-to-act (CAP) that represents the autonomy characteristics of decision-makers such as…

Robotics and Autonomous Systems, 2021, 146, pp.103867. ⟨10.1016/j.robot.2021.103867⟩. ⟨hal-03426485⟩

Article dans une revue

Efficient flow models for the uncapacitated multiple allocation p-hub median problem on non-triangular networks

Jack Brimberg, Raca Todosijević, Dragan Urošević, Nenad Mladenovic

This paper examines the uncapacitated multiple allocation p-hub median problem (UMApHMP) in a general setting where a given network may violate the triangle inequality, thus leading to flow paths with more than two hubs connecting origin-to-destination pairs. We present two improved flow…

Computers & Industrial Engineering, 2021, 162, pp.107723. ⟨10.1016/j.cie.2021.107723⟩. ⟨hal-03528030⟩

Article dans une revue

Multi-label, multi-task CNN approach for context-based emotion recognition

Ilyes Bendjoudi, Frédéric Vanderhaegen, Denis Hamad, Fadi Dornaika

This paper proposes a new deep learning architecture for context-based multi-label multi-task emotion recognition. The architecture is built from three main modules: (1) a body features extraction module, which is a pre-trained Xception network, (2) a scene features extraction module, based on a…

Information Fusion, 2021, 76, pp.422-428. ⟨10.1016/j.inffus.2020.11.007⟩. ⟨hal-03106102⟩

Article dans une revue

A distributed fault detection scheme in disturbed heterogeneous networked systems

Anass Taoufik, Michael Defoort, Mohamed Djemai, Krishna Busawon

Abstract This paper deals with the problem of distributed fault detection and isolation in multi-agent systems with disturbed high-order dynamics subject to communication uncertainties and faults. Distributed finite-frequency mixed $${\mathcal {H}}_-$$ H - $$/{\mathcal {H}}_\infty $$ / H ∞ unknown…

Nonlinear Dynamics, 2021, 24 (5), pp.2074-2088. ⟨10.1007/s11071-021-07129-0⟩. ⟨hal-04217711⟩

Article dans une revue

Optimization of use-wear detection and characterization on stone tool surfaces

Antony Borel, Raphaël Deltombe, Philippe Moreau, Thomas Ingicco, Maxence Bigerelle, Julie Marteau

Debates and doubt around the interpretation of use-wear on stone tools called for the development of quantitative analysis of surfaces to complement the qualitative description of traces. Recently, a growing number of studies showed that prehistoric activities can be discriminated thanks to…

Scientific Reports, 2021, 11 (1), ⟨10.1038/s41598-021-03663-4⟩. ⟨hal-03510891⟩

Article dans une revue

Integrating fibers and injection molding process variability in short-natural-fiber-reinforced thermoplastics behavior: A review

Julien Proy, Franck Massa, Delphine Notta-Cuvier, Franck Lauro, Thierry Tison, Grégory Spingler

Injection-molded short-fiber-reinforced thermoplastics are widely used in today’s industry. Nevertheless, their mechanical behavior is difficult to model, especially because of strong anisotropy induced by complex fiber distributions of orientation. Moreover, the intrinsic variability of plant…

Materials Today Communications, 2021, 29, pp.102785. ⟨10.1016/j.mtcomm.2021.102785⟩. ⟨hal-03442842⟩

Communication dans un congrès

Towards a non monotonic agent testing, reasoning about messages and behavior

Djamel Douha, Aicha Mokhtari, Zahia Guessoum, René Mandiau

Multi-agent systems research community has developed solutions to model dynamic and complex systems. Those solutions have generated a growing interest in a variety of domains such as robotics or distributed controls. It is therefore important to build solutions to analyze the basic mechanisms of…

ACS/IEEE International Conference on Computer Systems and Applications (AICCSA), Nov 2021, Tangier, Morocco. ⟨10.1109/AICCSA53542.2021.9686931⟩. ⟨hal-03381954⟩

Article dans une revue

Takagi–Sugeno fuzzy observer design for nonlinear descriptor systems with unmeasured premise variables and unknown inputs

Tran Anh-Tu Nguyen, Victor Campos, Thierry-Marie Guerra, Juntao Pan, Wenbo Xie

This article presents a new observer design framework for a class of nonlinear descriptor systems with unknown but bounded inputs. In the presence of unmeasured nonlinearities, that is, premise variables, designing nonlinear observers is known as particularly challenging. To solve this problem, we…

International Journal of Robust and Nonlinear Control, 2021, 31 (17), pp.8353-8372. ⟨10.1002/rnc.5453⟩. ⟨hal-03426277⟩

Article dans une revue

Catalog of invisibility correlations for UbiComp and IoT applications

Rainara Maia Carvalho, Rossana Maria de Castro Andrade, Káthia Marçal de Oliveira

The advance of Ubiquitous Computing (UbiComp) and Internet of Things (IoT) brought a new set of Non-Functional Requirements (NFRs), especially related to Human-Computer Interaction (HCI). Invisibility is one of these NFRs and refers to either the merging of technology in the user environment or the…

Requirements Engineering, 2021, ⟨10.1007/s00766-021-00364-2⟩. ⟨hal-03528078⟩