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All Outputs (14)

An Investigation of a Morphing Flapped Wing (2020)
Presentation / Conference
Madi, F., Kanaa, Z., Narayan, P., & Yao, Y. (2020, February). An Investigation of a Morphing Flapped Wing. Paper presented at Aerospace Europe Conference (AEC2020), Bordeaux, France

This study investigated the design, development, and validation of an alternative method to achieve morphing in wings through the implementation of a sliding mechanism concept. Performance was tested at a specific Reynolds number (Re = 0.62 × 106). M... Read More about An Investigation of a Morphing Flapped Wing.

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.

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.

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.

Case studies on U-state space control system design for aircraft dynamic model (2015)
Presentation / Conference
Liu, X., Zhu, Q., & Narayan, P. P. (2015, December). Case studies on U-state space control system design for aircraft dynamic model. Paper presented at 7th International Conference on Modelling, Identification and Control (ICMIC), Sousse

In this study, U-state space design approach is used to develop a control system of linearized F-16 aircraft dynamic model. The related F-16 model is converted from the original nonlinear dynamics by Taylor series around the trimmed equilibrium. The... Read More about Case studies on U-state space control system design for aircraft dynamic model.

The first stage studies of U-state space control system design (2015)
Presentation / Conference
Liu, X., Zhu, Q., Narayan, P. P., & Yang, Y. (2015, July). The first stage studies of U-state space control system design. Paper presented at 2015 34th Chinese Control Conference (CCC), Hangzhou, China

In this study, a basic idea of U-state feedback control system design method is proposed based on U-model principle. Compared with U-model based nonlinear polynomial systems, the U-state space design is to determine the desired state variable equatio... Read More about The first stage studies of U-state space control system design.

U-model based LMI robust controller design (2014)
Presentation / Conference
Liu, X., Peng, Y., Zhu, Q., & Narayan, P. P. (2014, July). U-model based LMI robust controller design. Paper presented at 2014 33rd Chinese Control Conference (CCC), Nanjing, China

In this study, an LMI (Linear Matrix Inequality) based H� robust controller design approach is proposed to improve the performance of the designed U-pole placement control systems. Unlike the classical design procedures, the control-oriented U-model... Read More about U-model based LMI robust controller design.

Enabling autonomous flight capabilities onboard commercial aircraft to improve safety (2013)
Presentation / Conference
Narayan, P. P., & Dogramadzi, S. (2013, October). Enabling autonomous flight capabilities onboard commercial aircraft to improve safety. Paper presented at IEEE/AIAA Digital Avionics Systems Conference, Syracuse, New York, USA

This paper presents the development and implementation of a novel Flight Management System (FMS) to ensure onboard passenger safety of commercial aircraft in the event of an emergency scenario where the pilot must relinquish control of the aircraft (... Read More about Enabling autonomous flight capabilities onboard commercial aircraft to improve safety.

Computationally adaptive multi-objective trajectory optimization for UAS with variable planning deadlines (2009)
Presentation / Conference
Narayan, P. P., Campbell, D. A., & Walker, R. A. (2009, March). Computationally adaptive multi-objective trajectory optimization for UAS with variable planning deadlines. Paper presented at IEEE Aerospace Conference 2009, Big Sky, Montana

This paper presents a new approach which allows for the computation and optimization of feasible 3D flight trajectories within real time planning deadlines, for Unmanned Aerial Systems (UAS) operating in environments with obstacles present. Sets of c... Read More about Computationally adaptive multi-objective trajectory optimization for UAS with variable planning deadlines.

Unmanning UAVs: Addressing challenges in on-board planning and decision making (2008)
Presentation / Conference
Narayan, P. P., Wu, P. P., & Campbell, D. A. (2008, September). Unmanning UAVs: Addressing challenges in on-board planning and decision making. Paper presented at First International Conference on Humans Operating Unmanned Systems HUMOUS'08, Brest, France

Planning and decision making, especially the planning of dynamically negotiable collision free paths, is an integral part in the operation of Unmanned Aerial Vehicles (UAVs). Effective path planning ensures that the UAV operates safely, and conforms... Read More about Unmanning UAVs: Addressing challenges in on-board planning and decision making.

Multi-Objective UAS Flight Management in Time Constrained Low Altitude Local Environments (2008)
Presentation / Conference
Narayan, P. P., Campbell, D. A., & Walker, R. A. (2008, January). Multi-Objective UAS Flight Management in Time Constrained Low Altitude Local Environments. Paper presented at 46th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada

This paper presents a new framework for Multi-Objective Flight Management of Unmanned Aerial Systems (UAS), operating in partially known environments, where planning time constraints are present. During UAS operations, civilian UAS may have multiple... Read More about Multi-Objective UAS Flight Management in Time Constrained Low Altitude Local Environments.

An intelligent control architecture for unmanned aerial systems (UAS) in the National Airspace System (NAS) (2007)
Presentation / Conference
Narayan, P. P., Wu, P. P., Campbell, D. A., & Walker, R. A. (2007, January). An intelligent control architecture for unmanned aerial systems (UAS) in the National Airspace System (NAS). Paper presented at 2nd International Unmanned Air Vehicle Systems Conference, Melbourne

In recent times, Unmanned Aerial Systems (UAS) have been employed in an increasingly diverse range of applications. Numerous UAS market forecasts portray a burgeoning future, with many applications in both the military and civilian domains. Within th... Read More about An intelligent control architecture for unmanned aerial systems (UAS) in the National Airspace System (NAS).

A high performance fuzzy logic architecture for UAV decision making (2006)
Presentation / Conference
Wu, P. P., Narayan, P. P., Campbell, D. A., Lees, M., & Walker, R. A. (2006, January). A high performance fuzzy logic architecture for UAV decision making. Paper presented at IASTED International Conference on Computational Intelligence, San Francisco

The majority of Unmanned Aerial Vehicles (UAVs) in operation today are not truly autonomous, but are instead reliant on a remote human pilot. A high degree of autonomy can provide many advantages in terms of cost, operational resources and safety. Ho... Read More about A high performance fuzzy logic architecture for UAV decision making.