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Affichage de 901 à 910 sur 2043

Article dans une revue

Fixed-Time Consensus Tracking for Multiagent Systems With High-Order Integrator Dynamics

Zongyu Zuo, Bailing Tian, Michael Defoort, Zhengtao Ding

This paper addresses the fixed-time leader-follower consensus problem for high-order integrator multiagent systems subject to matched external disturbances. A new cascade control structure, based on a fixed-time distributed observer, is developed to achieve the fixed-time consensus tracking control...

IEEE Transactions on Automatic Control, 2018, 63 (2), pp.563-570. ⟨10.1109/TAC.2017.2729502⟩. ⟨hal-03428120⟩

Article dans une revue

Numerical Analysis of the Impact of Nanofluids and Vapor Grooves Design on the Performance of Capillary Evaporators

Riadh Boubaker, Souad Harmand, Vincent Platel

This paper discusses the impact of nanofluids and vapor grooves position on the performance of capillary evaporators. The phase change that occurs within the wick structure is simulated using a 2D transient mathematical model. The model combines Darcy’s law, Langmuir’s law, and energy equations to...

Transport in Porous Media, 2018, 122 (2), pp.401-419. ⟨10.1007/s11242-018-1015-4⟩. ⟨hal-02129465⟩

Article dans une revue

Healthcare decision support tool: multi-agent system for bed management

Nesrine Zoghlami, Besma Glaa, Souad Rabah, Mourad Abed

The effective management of the allocation of limited resources such as beds is a key to the delivery of timely, high quality and low cost healthcare. However, an efficient utilisation of beds is not easy to accomplish because of the complexity of the healthcare system and the higher amount of...

International Journal of Applied Management Science, 2018, 10 (1), pp.59-71. ⟨10.1504/IJAMS.2018.10010975⟩. ⟨hal-03400921⟩

Article dans une revue

Timetable rearrangement to cope with railway maintenance activities

Luis Diego Arenas Pimentel, Paola Pellegrini, Said Hanafi, Joaquin Rodriguez

Maintenance activities on the railway infrastructure are necessary to maintain its functionality and availability. Commonly, the maintenance activities are planned first. Then, the timetable is elaborated respecting the unavailability periods caused by the former. However, sometimes unplanned...

Computers and Operations Research, 2018, 95, pp123-138. ⟨10.1016/j.cor.2018.02.018⟩. ⟨hal-01764963⟩

Article dans une revue

Friction coefficients in cold forging: A global perspective

Peter Groche, Philipp Kramer, Niels Bay, Peter Christiansen, Laurent Dubar, K. Hayakawa, Chengliang Hu, K. Kitamura, Philippe Moreau

Worldwide, at least twenty different tribological tests have been proposed for the empirical determination of friction coefficients in cold forging processes. Due to the varying test setups, means of measurement, and level of abstraction, the comparability of the outcomes is, however, disputable....

CIRP Annals - Manufacturing Technology, 2018, 67 (1), pp.261-264. ⟨10.1016/j.cirp.2018.04.106⟩. ⟨hal-03450016⟩

Article dans une revue

Optimization of the maintenance planning of a multi-component system

Issam Mallouk, Badr Abou El Majd, Yves Sallez

The vehicle’s maintenance costs, uptime and security are the most important goals for owners and transport companies, but these goals are conflictual and the major cause for delays is related to the maintenance policies. The main objective of transporters is to respond properly to their customer’s...

MATEC Web of Conferences, 2018, International Workshop on Transportation and Supply Chain Engineering (IWTSCE’18) Rabat, Morocco, May 8-9, 2018, 200, pp.00011. ⟨10.1051/matecconf/201820000011⟩. ⟨hal-03676096⟩

Article dans une revue

An Analysis of Electroplated cBN Grinding Wheel Wear and Conditioning during Creep Feed Grinding of Aeronautical Alloys

Gorka Vidal Irusta, Naiara Ortega, Héctor Bravo, Mirentxu Dubar, Haizea González

Cubic boron nitride (cBN), in addition to diamond, is one of the two superabrasives most commonly used for grinding hard materials such as ceramics or difficult-to-cut metal alloys such as nickel-based aeronautical alloys. In the manufacturing process of turbine parts, electroplated cBN wheels are...

Metals, 2018, 8 (5), pp.350. ⟨10.3390/met8050350⟩. ⟨hal-03451113⟩

Article dans une revue

Hybrid control design for limit cycle stabilisation of planar switched systems

Mohammed Benmiloud, Atallah Benalia, Mohamed Djemai, Michael Defoort

This paper addresses the control problem of an important class of hybrid dynamical systems where the desired state does not belong to the set of subsystem equilibria. Beyond the practical stabilisation where the system trajectory has to be driven to a neighbourhood of a desired state, a control law...

International Journal of Control, 2018, 91 (7), pp.1720-1729. ⟨10.1080/00207179.2017.1327723⟩. ⟨hal-03428129⟩

Article dans une revue

Sliding-Mode-Based Observer–Controller Structure for Fault-Resilient Control in DC Servomotors

Suneel Kumar Kommuri, Jagat Jyoti Rath, Kalyana Chakravarthy Veluvolu

This paper presents a robust observer-controller scheme for sensor fault-resilient control in dc servomotor drive-based applications (such as antennae control for satellite tracking, radio telescopes, and conveyor belt systems). In contrast to the earlier works on abrupt faults, this paper...

IEEE Transactions on Industrial Electronics, 2018, 65 (1), pp.918-929. ⟨10.1109/TIE.2017.2721883⟩. ⟨hal-03675803⟩

Article dans une revue

Two-dimensional heat transfer coefficients with simultaneous flow visualisations during two-phase flow boiling in a PDMS microchannel

Sofia Korniliou, Coinneach Mackenzie-Dover, John R.E. Christy, Souad Harmand, Anthony J. Walton, Khellil Sefiane

Infrared (IR) thermography was combined with simultaneous high speed flow visualisation and pressure measurements from integrated pressure sensors inside the microchannel, in order to produce two-dimensional (2D) high spatial and temporal resolution two-phase heat transfer coefficient (HTC) maps...

Applied Thermal Engineering, 2018, 130, pp.624-636. ⟨10.1016/j.applthermaleng.2017.11.003⟩. ⟨hal-03450056⟩