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Showing 1 to 20 of 26 for “"micro air vehicle"”.
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Micro air vehicle motion tracking and aerodynamic modeling
… a better understanding of the aerodynamics of micro air vehicles (MAVs) flying at Reynolds numbers between 10,000 and 30,000. Experimental studies have shown the aerodynamic effects of low Reynolds number flow on wings and airfoils, but the amount of work that has been conducted is not …
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Folding Solid-Membrane Wing Structure for a Micro Air Vehicle
… folding wing for use on a tube launched micro air vehicle (MAV), and experimental wind tunnel results of the wing integrated on an engineering MAV model are presented herein. Due to the sizing and performance requirements of the MAV, the wing must provide sufficient wing area while …
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Design, optimization and flight testing of a micro air vehicle
Micro Air Vehicles (MAVs) are a new type of aircraft maturing every year. The first mission-capable MAVs are already available on the market. Similarly to larger UAVs, MAVs may be used in a variety of applications, both military and civilian, such as situational awareness, reconnaissance, data …
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MICRO AIR VEHICLE SCALE GUST-WING INTERACTION IN A WIND TUNNEL
Studying isolated gust effects on simple airfoil models in a controlled environment is a necessity to further the development of MAV gust response and control laws. This work describes the creation of a vertical gust generator in a low speed, low turbulence wind tunnel through the use of an …
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Micro air vehicle control design : a comparison of classical and dynamic inversion techniques
Micro Air Vehicles (MAVs) are envisioned as autonomous aerial robots capable of flying into an urban environment to perform reconnaissance, targeting, and remote sensing. These vehicles are significantly smaller than current aircraft, with maximum dimensions of 15 centimeters, presenting challenges …
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Modeling and Testing of a Micro-Tubular Low-Temperature Fuel Cell for use in a Micro Air Vehicle
Micro air vehicles (MAVs) are small remote controlled aircraft used by military personnel for reconnaissance and are currently powered by batteries. The MAVs rely on the battery for propulsion, navigation, and reconnaissance equipment. The thrust of this research is to develop a fuel cell system …
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Modeling, Designing, Building, and Testing a Microtubular Fuel Cell Stack Power Supply System for Micro Air Vehicle (MAVs)
… and prototyping of a fuel cell stack system for micro aerial vehicles (MAVs) was conducted by Virginia Tech in collaboration with Luna Innovations, Inc, in an effort to replace the lithium battery technology currently powering these devices. Investigation of planar proton exchange membrane (PEM) …
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Rojové létání dronů
… dat pro řízení pomocí protokolu MAVLink (Micro Air Vehicle Link). Praktická část práce se zabývá realizací softwaru pro synchronizovaný let dvou bezpilotních letounů a jejich propojení s řídící stanicí pro přenos instrukcí pro let.
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RESILIENT STATE ESTIMATION FOR MICRO AIR VEHICLES UNDER SENSOR ATTACKS
… estimation and sensor fusion in an autonomous micro air vehicle. The setup comprises of redundant sensors that measure the same physical signal. An adversary may spoof a subset of these sensors and send falsified readings to the controller, potentially compromising performance and safety of the …
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Design, Simulation, and Wind Tunnel Verication of a Morphing Airfoil
… materials to control the flight dynamics of a Micro Air Vehicle (MAV) has numerous benefits over traditional servomechanisms. Under study is wing morphing achieved through the use of piezoelectric Macro Fiber Composites (MFCs). These devices exhibit low power draw but excellent bandwidth …
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Autonomous flight in unstructured and unknown indoor environments
… and validation of a system that enables a micro air vehicle to autonomously explore and map unstructured and unknown indoor environments. Such a vehicle would be of considerable use in many real-world applications such as search and rescue, civil engineering inspection, and a host of …
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Reduced Order Modeling of Flapping Wing Flight Dynamics
Flapping wing vehicles have become a compelling alternative to classical fixed or rotary wing aircraft, especially as unmanned aircraft technology focuses on smaller, more agile platforms. Flying insects provide an inspiration for the control of flapping wing platforms, using limited computational …
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FPGA-aided MAV vision-based estimation
… image sequence is one of the main challenges in Micro Air Vehicle (MAV) navigation. Today MAVs are becoming more and more prevalent in both civilian and military operations. However, with their reduction in size compared to traditional Unmanned Aircraft Vehicles (UAVs), the computational power …
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Dynamical System Representation and Analysis of Unsteady Flow and Fluid-Structure Interactions
… chapter, I consider the stability of a flapping micro air vehicle and use different approaches to design the transition from hovering to forward flight. I determine that first order averaging is not suitable and that time periodic dynamics are required for the controller to achieve this …
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A methodology for identifying flexible design opportunities
… in systems; demonstrates the methodology using a Micro Air Vehicle (MAV) platform developed for Department of Defense (DoD); evaluates the ability to exploit FDOs within DoD Acquisitions; and makes recommendations to system designers using the presented case, where the question of where and how to …
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Multilayer Ionic Transducers
… to four individual layers each approximately 200 microns thick. The transducers are connected in parallel to minimize the electric field requirements for actuation. The tradeoff in deflection and force can be controlled by controlling the mechanical constraint at the interface. Packaging the …
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Mechanics of Flapping Flight: Analytical Formulations of Unsteady Aerodynamics, Kinematic Optimization, Flight Dynamics and Control
A flapping-wing micro-air-vehicle (FWMAV) represents a complex multi-disciplinary system whose analysis invokes the frontiers of the aerospace engineering disciplines. From the aerodynamic point of view, a nonlinear, unsteady flow is created by the flapping motion. In addition, non-conventional …
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Control, estimation, and planning algorithms for aggressive flight using onboard sensing
… in trajectory generation for fixed-wing vehicles, state estimation in unstructured 3D environments, and planning under uncertainty. Aggressive flight through obstacles using on-board sensing involves nontrivial dynamics, spatially varying measurement properties, and obstacle constraints. …
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