Publications

Journal Papers

• Hussein, A. A., A. E. Seleit, H. E. Taha, and M. R. Hajj, "Optimal transition of flapping wing micro-air vehicles from hovering to forward flight," Aerospace Science and Technology, July 2019. [Link]

• Taha, H. and A. S. Rezaei, "Viscous extension of potential-flow unsteady aerodynamics: The lift frequency response problem," J. Fluid Mechanics, 868:141-175, June 2019. [Link]

• Hassan, A. M. and H. E. Taha, "Differential-geometric-control formulation of flapping flight multi-body dynamics," J. Nonlinear Science, pp 1--39, December 2018. [Link]

• Hussein, A. A., H. Taha, S. Ragab, and M. R. Hajj. "A variational approach for the dynamics of unsteady point vortices," Aerospace Science and Technology, 78:559--568, July 2018. [Link]

• Tahmasian, S. , D. W. Allen, and C. A. Woolsey, “On averaging and input optimization of high-frequency mechanical control systems,” J. Vibration and Control 24(5):937-955, May 2018. [Link]

• Taha, H., M. Kiani, and J. Navarro. "Experimental demonstration of the vibrational stabilization phenomenon in bio-inspired flying robots," IEEE Robotics and Automation Letters, 3(2):643--647, December 2017. [Link]

• Wang, P. L., H. E. Taha, and J. M. McCarthy. "Synthesis of a flapping wing mechanism using a constrained spatial RRR serial chain," J. Mechanisms and Robotics, 10(1):011005, December 2017. [Link]

• Hassan, A. M. and H. Taha. "Combined averaging--shooting approach for the analysis of flapping flight dynamics," J. Guidance, Control, and Dynamics, 41(2):542--549, September 2017. [Link]

• Tahmasian, S. and C. A. Woolsey, "Flight control of biomimetic air vehicles using vibrational control and averaging," J. Nonlinear Systems, 27(4):1193–1214, August 2017. [Link]

• Mouy, A., A. Rossi, and H. Taha, "Coupled unsteady aero-flight dynamics of hovering insects/flapping micro air vehicles," J. Aircraft, 54(5):1738-1749, 2017. [Link]

• Taha, H. and C.A. Woolsey, "Geometric control of a flapping plate," J. Vibration and Control 21(11):2124–2133, August 2015. [Link]

• Tahmasian, S., D. W. Allen, and C. A. Woolsey, "On averaging and input optimization of high-frequency mechanical control systems," J. Vibration and Control. [Link]

• Taha, H. E., C. A. Woolsey, and M. R. Hajj, "Geometric control approach to longitudinal stability of flapping flight," J. Guidance, Control, and Dynamics. 39(2), 2016. [Link]

• Tahmasian, S. and C. A. Woolsey, "A control design method for underactuated mechanical systems using high frequency inputs,” ASME J. Dynamic Systems, Measurement, and Control 137(7), July 2015. [Link]

• Yan, Z. , Taha, H.E. and Hajj, M. R. “Effects of aerodynamic modeling on the optimal wing kinematics for hovering MAVs,” Aerospace Science and Technology 45, 39-49, 2015. [Link]

• Zakaria, M., Taha, H.E. and Hajj, M. R., "Design Optimization of Flapping Ornithopters: The Pterosaur Replica in Forward Flight," J. Aircraft, 1-12, 2015. [Link]

• Taha, H., S. Tahmasian, C. A. Woolsey, A. Nayfeh, and M. Hajj, "The need for higher-order averaging in the stability analysis of hovering, flapping-wing flight," Bioinspiration and Biomimetics 10(1), February 2015. [Link]

• Yan, Z., Taha, H. E., and Hajj, M. R., “Geometrically-exact unsteady model for airfoils undergoing large amplitude maneuvers,” Aerospace Science and Technology, vol. 39, Dec. 2014, pp. 293–306. [Link]

Conference Papers

• Nguyen* K. Q.,  C. A. Woolsey, R. V. Datla, U. Chung, and M. R. Hajj, “Axial force measurements for a towed biolocomotion emulator,” 12th IFAC Conf. on Control Applications in Marine Systems, Robotics, and Vehicles, Online Conference (from Oldenburg, Germany) during Sept 22-24, 2021. (To appear.)

• Shehata, H., M. Hajj, and C. A. Woolsey, “Hydrodynamic performance of a modular biolocomotion emulator” 12th IFAC Conf. on Control Applications in Marine Systems, Robotics, and Vehicles, Daejeon, South Korea, September 2019. [Link] 

• “Hydrodynamic performance of a modular biolocomotion emulator,” H. Shehata, C. A. Woolsey, and M. Hajj, 12th IFAC Conf. on Control Applications in Marine Systems, Robotics, and Vehicles, Daejeon, South Korea, September 2019. [Link]

• Shehata, H., C. A. Woolsey, M. Zakaria, M. Hajj, “Aerodynamic response of a NACA-0012 airfoil undergoing non-sinusoidal pitching waveforms,”  AIAA SciTech 2019, San Diego, CA, January 2019. [Link]

• Beardsley, C. , L. Bergeron, A. McLean, K. Nguyen, M. Vu, C. Watson, A. Nayfeh, H. Shehata, C. A. Woolsey, M. Hajj, “A modular biolocomotion emulator for hydrodynamic testing in a towing tank,” , MTS/IEEE OCEANS 2018, Charleston, SC, October 2018. [Link]

• Andersen, B., C. Beardsley, M. Gates, J. Schlafman, T. Battista, S. Jung, and C. A. Woolsey, “An immersed spheroidal pendulum oscillating near a free surface,” , MTS/IEEE OCEANS 2018, Charleston, SC, October 2018. [Link]

• Hussein, A. A., M. R. Hajj, C. A. Woolsey, “Stable, planar self propulsion using a hinged flap,” , 11th IFAC Conf. on Control Applications in Marine Systems, Robotics, and Vehicles, Opatija, Croatia, September 2018. [Link]

• Shukla, P. and C. A. Woolsey, “Active flight path control for an induced spin flight termination system,” AIAA SciTech, Orlando, FL, January 2018. [Link]

• Tahmasian, S., F. Jafari, and C. A. Woolsey, "Vibrational control of a 3-DOF damped mechanical system,”  Dynamic Systems and Control Conference. Minneapolis, MN, October 2016.

• Hassan, A. M., and H. E. Taha, "Higher-order averaging analysis of the nonlinear time-periodic dynamics of hovering insects/flapping-wing micro-air-vehicles," Proc. IEEE Conference on Decision and Control, Las Vegas, NV, Dec. 2016. [Link]

• Taha, H., C. A. Woolsey, and M. Hajj, "A geometric control approach for the longitudinal flight stability of hovering insects/FWMAVs," AIAA SciTech 2015, Orlando FL, January 2015. [Link]

• Taha, H.E., Woolsey, C. A., and Tahmasian, S., “Geometric Control of a Flapping Device in a Uniform Flow”, Proc. AIAA ASM, Grapevine, Texas, 2013. [Link]

• Tahmasian, S., Woolsey, C. A., and Taha, H. E., “Longitudinal Flight Control of Flapping Wing Micro Air Vehicles”, Proc. AIAA SciTech 2014, National Harbor, MD, 2014. [Link]

• Tahmasian, S., Taha, H. E., and Woolsey, C. A., “Control of Underactuated Mechanical Systems Using High Frequency Input”, Proc. American Control Conference, Washington, D.C., 2013 (Invited Session). [Link]

• Zakaria, M., Taha, H.E. and Hajj, M. R., “Experimental Investigations of the Lift Frequency Response at High Angels of Attack” (AIAA 2015-1503), 53rd AIAA Aerospace Sciences Meeting, 2015, 10.2514/6.2015-1503 [Link]

• Zakaria, Pereira, D., Ragab, S., Hajj, M. R. and Marques, D., “An Experimental Study of Added Mass on a Plunging Airfoil Oscillating with High Frequencies at High Angles of Attack” (AIAA 2015-3166), 33rd AIAA Applied Aerodynamics Conference, 2015, 10.2514/6.2015-3166 [Link]

• Zakaria, M., Taha, H.E. Hajj, M. R.  and Hussein, A.A., “Experimental-Based Unified Unsteady Nonlinear Aerodynamic Modeling For Two-Dimensional Airfoils (AIAA 2015-3167)," 33rd AIAA Applied Aerodynamics Conference, 2015, 10.2514/6.2015-3167 [Link]

Theses & Dissertations

• Nguyen, K. Q., Hydrodynamic Study of Pisciform Locomotion with a Towed Biolocomotion Emulator, Virginia Tech, May 2021.

• Allen, D. W., Gait and Morphology Optimization for Articulated Bodies in Fluids, Virginia Tech, July 2016. 

• Hussein, A. A., Dynamical System Representation and Analysis of Unsteady Flow and Fluid-Structure Interactions, Virginia Tech, September 2018.

• Tahmasian, S., Design, Analysis, and Optimization of Vibrational Control Strategies, Virginia Tech, April 2015.