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Affichage de 1311 à 1320 sur 5542

Article dans une revue

Numerical simulation of water spray transport along a plate of a heat exchanger

Nihel Grich, Walid Foudhil, Souad Harmand, Sadok Ben Jabrallah

Water spraying is widely being used in many industrial applications because of the benefits it has shown over cooling. This paper presents a numerical investigation to simulate evaporating water spray along a plate of an exchanger. Indeed, we were interested in a horizontal channel whose lower wall…

Journal of Thermal Analysis and Calorimetry, 2020, 143 (5), pp.3887-3895. ⟨10.1007/s10973-020-09356-w⟩. ⟨hal-03442197⟩

Thèse

Characterization of the CBN wheel wear and modelling of its effect in NGV grinding, Caractérisation de l'usure de meules CBN et modélisation de son effet sur la certification de pièces aéronautiques NGC

Gorka Vidal Irusta

This thesis is focused on improving a paramount grinding process used in the aeronauticindustry. The process is one of the last manufacturing steps of the nozzle guide vanes, whichform the stator of the exhaust of aeroengines. The enhanced physical properties of thematerials which these components…, Cette thèse est axée sur l'amélioration d'un procédé de rectification primordial utilisé dans l'industrie aéronautique. Ce procédé est l'une des dernières étapes de fabrication des aubes directrices des tuyères, qui forment le stator de l'échappement des moteurs d'…

Mechanics [physics.med-ph]. Université Polytechnique Hauts-de-France; Institut national des sciences appliquées Hauts-de-France, 2020. English. ⟨NNT : 2020UPHF0006⟩. ⟨tel-04235507⟩

Thèse

Caractérisation dynamique d’actionneurs fluidiques, et identification expérimentale des mécanismes dynamiques d’interaction jet - couche limite induits, Space-time resolved fluidic actuators characterization, and experimental identification of the physical mechanisms involved in their interaction with a boundary layer

Célestin Ott

Le contrôle actif des écoulements est un domaine de recherche à fort potentiel applicatif. Notamment dans le domaine des transports où les problématiques ayant trait à l'amélioration des performances et à la diminution de la consommation énergétique représentent des enjeux économiques et…, Active flow control research field has high application potential, particularly in the transportation industry, where improving performance while reducing energy consumption represents major economic and environmental challenges. In this context, one of the objectives is to optimize control…

Mécanique des fluides [physics.class-ph]. Université Polytechnique Hauts-de-France, 2020. Français. ⟨NNT : 2020UPHF0001⟩. ⟨tel-02886215⟩

Chapitre d'ouvrage

Application of a T-S unknown input observer for studying sitting control for people living with spinal cord injury

Mathias Blandeau, Thierry-Marie Guerra, Philippe Pudlo

The existing models for studying sitting stability are not valid to estimate internal forces and torques for people living with a complete spinal cord injury who will use their upper limbs instead of their lower back and abdominal muscle. The aim of this work is to design an unknown input observer…

Control Applications for Biomedical Engineering Systems, Elsevier, pp.169-195, 2020, 978-012817461-6. ⟨10.1016/B978-0-12-817461-6.00007-X⟩. ⟨hal-03403912⟩

Article dans une revue

Industry 4.0: contributions of holonic manufacturing control architectures and future challenges

William Derigent, Olivier Cardin, Damien Trentesaux

The flexibility claimed by the next generation production systems induces a deep modification of the behaviour and the core itself of the control systems. Over-connectivity and data management abilities targeted by Industry 4.0 paradigm enable the emergence of more flexible and reactive control…

Journal of Intelligent Manufacturing, 2020, 32, pp.1797-1818. ⟨10.1007/s10845-020-01532-x⟩. ⟨hal-02455705⟩

Communication dans un congrès

Effets d’un programme de rééducation robotisé chez des enfants atteints de paralysie cérébrale

Laura Wallard

Il existe de nombreuses méthodes de rééducation de la marche avec depuis plusieurs années des systèmes de type orthèse robotisée. Ces outils sont de plus en plus proposés aux patients présentant des altérations de l’appareil locomoteur et notamment aux enfants. Leur but principal consiste à…

19ème Journées de la Société Francophone d'Analyse du Mouvement chez l'Enfant et l'Adulte (SOFAMEA), Jan 2020, Nice, France. ⟨hal-03463609⟩

Article dans une revue

Continuous Monitoring of Whey Protein Fouling Using a Nonintrusive Sensor

Laurent Bouvier, Guillaume Delaplace, Sylvain Lalot

In this work, a nonintrusive device to monitor fouling of a plate heat exchanger is presented. This device is composed of a flat electrical resistance covering a thermocouple located on the external face of a tubular holding section. The tubular holding section is placed immediately after the…

Heat Transfer Engineering, 2020, 41 (2), pp.160-169. ⟨10.1080/01457632.2018.1522091⟩. ⟨hal-03689498⟩

Article dans une revue

A Lyapunov-Like Characterization of Predefined-Time Stability

Esteban Jiménez-Rodríguez, Aldo-Jonathan Muñoz-Vázquez, Juan Diego Sanchez-Torres, Michael Defoort, Alexander Loukianov

This article studies Lyapunov-like conditions to ensure a class of dynamical systems to exhibit predefined-time stability. The origin of a dynamical system is predefined-time stable if it is fixed-time stable, and an upper bound of the settling-time function can be arbitrarily chosen a priori…

IEEE Transactions on Automatic Control, 2020, 65 (11), pp.4922-4927. ⟨10.1109/TAC.2020.2967555⟩. ⟨hal-03424010⟩

Article dans une revue

On the improvement of calibration accuracy of parallel robots – modeling and optimization

Toufik Bentaleb, Jamshed Iqbal

This paper proposes kinematic based calibration methods for Delta parallel robots. The boundary of the robot workspace is computed using a forward kinematic model. Influence of errors in kinematic parameters on the workspace boundaries is investigated. The novelty of the proposed approach lies in…

Journal of Theoretical and Applied Mechanics, 2020, 58 (1), pp.261 - 272. ⟨10.15632/jtam-pl/115863⟩. ⟨hal-03689244⟩

Thèse

The dynamic parking allocation problem, Le problème d'affectation de places de stationnement dynamique

Marko Mladenovic

This thesis focuses on the problem of urban parking, especially in peak traffic hours. One of the main objectives is to explore the solution methods from operational research perspective and to provide practical solutions through mathematical programming and heuristics. We first consider a…, Cette thèse s'intéresse à la problématique du stationnement en milieu urbain, en particulier en période de forte influence. Un des objectifs principaux est l'exploration de méthodes issues de la recherche opérationnelle pour apporter des solutions pratiques via la programmation…

Operations Research [math.OC]. Université Polytechnique Hauts-de-France, 2020. English. ⟨NNT : 2020UPHF0009⟩. ⟨tel-02498034⟩