Outputs (33)

Integrating operators’ preferences into decisions of unmanned aerial vehicles: Multi-layer decision engine and incremental preference elicitation (2019)
Conference Proceeding
Khannoussi, A., Olteanu, A., Labreuche, C., Narayan, P., Dezan, C., Diguet, J., …Meyer, P. (2019). Integrating operators’ preferences into decisions of unmanned aerial vehicles: Multi-layer decision engine and incremental preference elicitation. In S. Pekeč, & K. B. Venable (Eds.), International Conference on Algorithmic Decision Theory (49-64). https://doi.org/10.1007/978-3-030-31489-7_4

Due to the nature of autonomous Unmanned Aerial Vehicles (UAV) missions, it is important that the decisions of a UAV stay consistent with the priorities of an operator, while at the same time allowing them to be easily audited and explained. We there... Read More about Integrating operators’ preferences into decisions of unmanned aerial vehicles: Multi-layer decision engine and incremental preference elicitation.

Influence of non-iterative time-advancement schemes on the aerodynamic prediction of pitching airfoils using dynamic mesh (2019)
Presentation / Conference
Abdessemed, C., Yao, Y., Bouferrouk, A., & Narayan, P. (2019, June). Influence of non-iterative time-advancement schemes on the aerodynamic prediction of pitching airfoils using dynamic mesh. Paper presented at 8th International Symposium on Physics of Fluids (ISPF8), Xian, China

A pitching airfoil problem is addressed in this paper to assess the use of a non-iterative time-advancement (NITA) scheme with dynamic mesh method, and also to estimate possible CPU time savings. Simulations have shown that using a combination of dyn... Read More about Influence of non-iterative time-advancement schemes on the aerodynamic prediction of pitching airfoils using dynamic mesh.

Flow response to rapid morphing flap deflection (2019)
Presentation / Conference
Abdessemed, C., Yao, Y., Bouferrouk, A., & Narayan, P. (2019, March). Flow response to rapid morphing flap deflection. Paper presented at 54th 3AF International Conference on Applied Aerodynamics, Paris - France

Flow response to rapid morphing flap deflection is investigated at a Reynolds number based on chord of 0.62×10^6 for a 2D NACA 0012 airfoil fitted with a morphing Trailing-edge flap (TEF) at a range of angles of attack and morphing frequencies. T... Read More about Flow response to rapid morphing flap deflection.

Morphing airfoils analysis using dynamic meshing (2018)
Journal Article
Abdessemed, C., Yao, Y., Bouferrouk, A., & Narayan, P. P. (2018). Morphing airfoils analysis using dynamic meshing. International Journal of Numerical Methods for Heat and Fluid Flow, 28(5), 1117-1133. https://doi.org/10.1108/HFF-06-2017-0261

© 2018, Emerald Publishing Limited. Purpose: The purpose of this paper is to use dynamic meshing to perform CFD analyses of a NACA 0012 airfoil fitted with a morphing trailing edge (TE) flap when it undergoes static and time-dependent morphing. The s... Read More about Morphing airfoils analysis using dynamic meshing.

Aeroacoustics investigation of a harmonically morphing trailing edge flap (2018)
Presentation / Conference
Abdessemed, C., Yao, Y., Bouferrouk, A., & Narayan, P. P. (2018, March). Aeroacoustics investigation of a harmonically morphing trailing edge flap. Paper presented at 53rd 3AF International Conference on Applied Aerodynamics, Salon de Provence, France

In this paper, an aeroacoustic study of a NACA 0012 airfoil fitted with a morphing Trailing Edge Flap (TEF) was performed at conditions of an Angle of Attack (AoA) = 4º, Reynolds number = 0.62×10^6 and Mach number = 0.11. A modified parametrization m... Read More about Aeroacoustics investigation of a harmonically morphing trailing edge flap.

U-model enhanced dynamic control of a heavy oil pyrolysis/cracking furnace (2018)
Journal Article
Zhu, Q., Zhao, D., Zhang, S., & Narayan, P. (2018). U-model enhanced dynamic control of a heavy oil pyrolysis/cracking furnace. IEEE Caa Journal of Automatica Sinica, 5(2), 577-586. https://doi.org/10.1109/JAS.2017.7510847

This paper proposes a case study in the control of a heavy oil pyrolysis/cracking furnace with a newly extended U-Model based Pole Placement Controller (U-PPC). The major work of the paper includes: 1. establishing a control oriented nonlinear dynami... Read More about U-model enhanced dynamic control of a heavy oil pyrolysis/cracking furnace.

Analysis of a 3D unsteady morphing wing with seamless side-edge transition (2018)
Conference Proceeding
Abdessemed, C., Yao, Y., Bouferrouk, A., & Narayan, P. P. (2018). Analysis of a 3D unsteady morphing wing with seamless side-edge transition. In 2018 Applied Aerodynamics Conference. https://doi.org/10.2514/6.2018-3178

© 2018, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved. In this paper, a comparative study between a NACA 0012 rectangular wing with a statically morphed Trailing Edge Flap (TEF) and the same wing with a hinged flap... Read More about Analysis of a 3D unsteady morphing wing with seamless side-edge transition.

Aerodynamic analysis of a harmonically morphing flap using a hybrid turbulence model and dynamic meshing (2018)
Conference Proceeding
Abdessemed, C., Yao, Y., Bouferrouk, A., & Narayan, P. P. (2018). Aerodynamic analysis of a harmonically morphing flap using a hybrid turbulence model and dynamic meshing. In 2018 Applied Aerodynamics Conference. https://doi.org/10.2514/6.2018-3813

© 2018, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved. A numerical study of the NACA 0012 airfoil fitted with a harmonically morphing trailing edge flap (TEF) is performed at an angle of attack of 4º and a Reynolds... Read More about Aerodynamic analysis of a harmonically morphing flap using a hybrid turbulence model and dynamic meshing.

Ensemble-Empirical-Mode-Decomposition based micro-Doppler signal separation and classification (2017)
Journal Article
Chen, H., Lin, P., Emrith, K., Narayan, P. P., & Yao, Y. (2017). Ensemble-Empirical-Mode-Decomposition based micro-Doppler signal separation and classification. International Journal of Computer Applications in Technology, 56(4), 253-263. https://doi.org/10.1504/IJCAT.2017.10009946

The target echo signals obtained by Synthetic Aperture Radar (SAR) and Ground Moving Target Indicator (GMTI platforms are mainly composed of two parts, the micro-Doppler signal and the target body part signal. The wheeled vehicle and the track vehicl... Read More about Ensemble-Empirical-Mode-Decomposition based micro-Doppler signal separation and classification.

Unsteady parametrization of a morphing wing design for improved aerodynamic performance (2017)
Presentation / Conference
Abdessemed, C., Yao, Y., Narayan, P., & Bouferrouk, A. (2017, March). Unsteady parametrization of a morphing wing design for improved aerodynamic performance. Paper presented at 52nd 3AF International Conference on Applied Aerodynamics, Lyon, France

A morphing wing is a bio-inspired concept where all moving parts e.g. slats/flaps are replaced with a deformable body. This paper describes a methodology that uses modified parametrization methods to define a morphing geometry, and applies user-defin... Read More about Unsteady parametrization of a morphing wing design for improved aerodynamic performance.