In this paper, a robust control strategy applied on a small helicopter is proposed. An approximate small-scale helicopter model with decoupled dynamics is adopted for the controller design which uses the backstepping method based on the Lyapunov function. The Lyapunov function is used to show the robustness of the proposed control method under conditions of wind gusts. Finally simulation result...

Flapping wing miniature aerial vehicles (FWMAVs) offer advantages over traditional fixed wing or quadrotor MAV platforms because they are more maneuverable than fixed wing aircraft and are more energy efficient than quadrotors, while being quieter than both. Currently, autonomy in FWMAVs has only been implemented in flapping vehicles without independent wing control, limiting their level of con...

Abstract The research reported in this paper is aimed at the development of a metric to quantify and predict extent pilot control compensation required fly wide range mission task elements. To do this, utility time- frequency-domain measures examine activity whilst flying hover/low-speed forward flight tasks are explored. were performed by two test pilots using both National Research Council (C...

A quasi one-dimensional analysis of a STOVL aircraft nozzle in hover is performed to estimate the gross thrust coefficient as a function of nozzle pressure and nozzle area ratios. The analysis is supported by subscale, cold flow test results. The nozzle performance was found to be less than desirable in hover due to the overexpansion arising from the geometrical constraints of the existing nozzle.

This paper studies a new unmanned aerial vehicle (UAV)-enabled wireless power transfer (WPT) system, where a UAV-mounted mobile energy transmitter (ET) is dispatched to deliver wireless energy to a set of energy receivers (ERs) at known locations on the ground. We investigate how the UAV should optimally exploit its mobility via trajectory design to maximize the amount of energy transferred to ...

This paper presents vehicle models and test flight results for an autonomous fixed-wing aircraft with the capability to take off, hover, transition to and from level-flight, and perch on a vertical landing platform. These maneuvers are all demonstrated in the highly space constrained environment of the Real-time indoor Autonomous Vehicle test ENvironment (RAVEN) at MIT. RAVEN promotes the rapid...

This paper discusses the effects of tactile cueing on performance in a fixed base simulated helicopter hover task. Sixteens active-duty military helicopter pilots participated in a repeated measures two minute stationary hover test. Participants performed the hover task under four treatment conditions; tactile cueing (on/off) and secondary arithmetic task (on/ofT). Following each 2-minute hover...