Rotor failure compensation in a biplane quadrotor based on virtual deflection

N Dalwadi, D Deb, S Ozana - Drones, 2022 - mdpi.com
A biplane quadrotor is a hybrid type of UAV that has wide applications such as payload
pickup and delivery, surveillance, etc. This simulation study mainly focuses on handling the …

System and method for robust nonlinear regulation control of unmanned aerial vehicles synthetic jet actuators

VV Golubev, W MacKunis - US Patent 9,625,913, 2017 - Google Patents
An unmanned aerial vehicle (UAV) is provided with a plurality of synthetic jet actuators and a
nonlinear robust controller. The controller compensates for uncertainty in a mathematic …

A closed‐loop nonlinear control and sliding mode estimation strategy for fluid flow regulation

KB Kidambi, N Ramos‐Pedroza… - … Journal of Robust …, 2019 - Wiley Online Library
Novel sliding mode observer (SMO) and robust nonlinear control methods are presented,
which are shown to achieve finite‐time state estimation and asymptotic regulation of a fluid …

A robust nonlinear output feedback control method for limit cycle oscillation suppression using synthetic jet actuators

N Ramos-Pedroza, W MacKunis, V Golubev - Aerospace Science and …, 2017 - Elsevier
A synthetic jet actuator-based output feedback control method is presented, which achieves
asymptotic limit cycle oscillation regulation in small unmanned aerial vehicle wings, where …

Sliding mode estimation and closed‐loop active flow control under actuator uncertainty

K Bhavithavya Kidambi, W MacKunis… - … Journal of Robust …, 2020 - Wiley Online Library
This article presents a nonlinear closed‐loop active flow control (AFC) method, which
achieves asymptotic regulation of a fluid flow velocity field in the presence of actuator …

Robust nonlinear regulation of limit cycle oscillations in uavs using synthetic jet actuators

N Ramos Pedroza, W MacKunis, VV Golubev - Robotics, 2014 - mdpi.com
In this paper, a synthetic jet actuators (SJA)-based nonlinear robust controller is developed,
which is capable of completely suppressing limit cycle oscillations (LCO) in UAV systems …

Virtual deflection with synthetic jet actuators at high angles of attack

N Dalwadi, D Deb, G Choubey, M Kaushik… - International Journal of …, 2024 - degruyter.com
A hybrid drone called a biplane quadrotor operates in both low (during the horizontal flight)
and high (transition maneuver) Angle of Attack (AoA). So, this paper focuses on enhancing …

Robust nonlinear estimation and control of fluid flow velocity fields

KB Kidambi, N Ramos-Pedroza… - 2016 IEEE 55th …, 2016 - ieeexplore.ieee.org
A proper orthogonal decomposition (POD)-based model reduction technique is utilized to
develop a closed-loop nonlinear flow control system. By using POD, the Navier-Stokes …

A Sliding Mode LCO Regulation Strategy for Dual‐Parallel Underactuated UAV Systems Using Synthetic Jet Actuators

N Ramos-Pedroza, W MacKunis… - International Journal of …, 2015 - Wiley Online Library
A sliding mode control‐(SMC‐) based limit cycle oscillation (LCO) regulation method is
presented, which achieves asymptotic LCO suppression for UAVs using synthetic jet …

Sliding mode control-based limit cycle oscillation suppression for UAVs using synthetic jet actuators

N Ramos-Pedroza, W MacKunis… - … Workshop on Recent …, 2015 - ieeexplore.ieee.org
A sliding mode control (SMC) method is presented in this paper, which is proven to achieve
asymptotic SJA-based LCO suppression without the use of adaptive laws or function …