Therefore, itas necessary to analyze the stealth and aerodynamics characteristics of uavs. Pdf high altitude solar powered uav design abdulkadir. Design challenge of high altitude long endurance hale uav. Even so, propellers are being used in many high altitude aircrafts such as. The data processed with pix4dmapper pro photogrammetry software is shown below.
Design, analysis and flight testing of a high altitude synchropter uav. Design and performance evaluation of propeller for solar. Hydrogen is a proven idea for hale high altitude long endurance uavs. The objective of this study was to develop a variety of high altitude long endurance hale unmanned aerial vehicle uav conceptual designs for two operationally useful missions hurricane science and communications relay and compare their performance and cost characteristics. Uavos updates high altitude solarpowered uav concept drone. Adalia received 11 october 20, in revised form 14 may 2014 and accepted 04 june 2014. Zephyr is a high altitude pseudosatellite haps that fills a capability gap between satellites and uavs. Prototype solarpowered, highaltitude uav undergoing flight tests. The mission requirements for the high speed decoy were a maximum altitude of 15,000 feet with maximum speed of 450 knots and an endurance of at least one hour. A highaltitude unmannedaerialvehicle prototype, powered by solar panels and batteries, performs functions commonly attributed to spacecraft flying in low earth orbits. Hale unmanned aerial vehicle uav conceptual designs for two operationally useful. The xhale is a very flexible, longwinged aircraft that collects data to be used for future code validation. Prototype solarpowered, highaltitude uav undergoing flight.
This poses a problem as density drops, velocity must increase to produce enough lift to maintain flight. An unmanned aerial vehicle uav or uncrewed aerial vehicle, commonly known as a drone is an aircraft without a human pilot on board and a type of unmanned vehicle. The highly agile decoy uav with high maneuverability capability was designed to launch from a pneumatic catapult and land via a parachute. A highaltitude unmannedaerialvehicle prototype, powered by solar panels and. Replacing one conventional uav with just one zephyr would save 2,000 tons of fuel each year.
Dlr high altitude balloon launched experimental glider. It operates at a closer altitude to the ground and allows for a better visual inspection. A design optimization process is developed to define the wing box structure for high altitude longendurance aircraft hale. New flight control principles will allow to shift the geographic area of solar aircraft flights to more northern. There are several free software that use bemt for propeller design and. Structural analysis of composite wing using finite element method to cite this article. Finite element software abaquscae is used to predict the stress and deformation that occurred. Download it once and read it on your kindle device, pc, phones or tablets. All systems have to be extremely lightweight while still working under the low pressure and varying temperature. Design and optimization of a high altitude propeller can be a challenging problem due to the extremely low air density.
One hundred twenty five solar electric uav configurations and missions were simulated. Cloud shadow stealth highaltitude reconnaissance and strike. High altitude long endurance uav analysis of alternatives and. It is used by a variety of tier 1 aerospace manufacturers in a wide range of uav also known as remotely piloted aircraft systems rpas or drones. Solar uav design framework for a hale flight emerald insight. As altitude is increases, density drops significantly. A multistage turbocharger system analysis method has been presented for a hydrogen fueled internal combustion engine targeted for high altitude long endurance uav hale uav, of which cruising. Here are five open source autopilot uav projects that are helping accelerate the adoption of autopilot drones. Easytouse uav ground station software for lowaltitude. After capturing the aerial digital images, ground control points and check points were established using gps.
The mission requirements for the highspeed decoy were a maximum altitude of 15,000 feet with maximum speed of 450 knots and an endurance of at least one hour. Wing design of a high altitude and long endurance aircraft. Frulla skip to main content we use cookies to distinguish you from other users and to provide you with a better experience on our websites. Uavs are a component of an unmanned aircraft system uas. Design and performance evaluation of propeller for solarpowered highaltitude longendurance unmanned aerial vehicle.
Design of solar powered high altitude long endurance. The uav will perform intelligence, surveillance and reconnaissance operations without latitude restrictions. Design optimization of a composite wing box for high. Design challenge of high altitude long endurance hale uav english jones, r. Here are the steps i took to create the kestrel6, named after the bird of prey, known for its hovering ability. This paper seeks to calculate and analyze the stealth and aerodynamics characteristics of a medium altitude long endurance male uav. Ardupilot is one of the most popular open source arduino based projects for controlling autonomous vehicles. Related content solar cell to support perpetual flight of high altitude long endurance. Calculation and analysis on stealth and aerodynamics. Boeings adorably plump phantom eye has had its testing program extended, and aerovironments global observer is in a. Although uav conceptual aerodynamics analysis is for the most part similar to that of manned aircraft, some designs requirements are unique for high altitude, longendurance vehicles or hale uavs global hawk, for example or small reconnaissance vehicles the av puma, for example.
A design optimization process is developed to define the wing box structure for highaltitude longendurance aircraft hale. Methodologies and tools to conceptually design high altitude flying uav. So drones that can hit high altitude numbers are actually pretty impressive from a design perspective. Benign stallspin characteristics are important in uav design, despite their automated operations. High altitude propeller design and analysis sciencedirect. Highaltitude platform station or highaltitude pseudosatellite short. The purpose of this paper is to present the development of an optimal design framework for high altitude long endurance solar unmanned aerial vehicle. Changes in the design requirements were needed to account for 1 conveying. Designing a highspeed decoy unmanned aerial vehicle uav.
Uavos updates high altitude solarpowered uav concept. Aerospace and defense industries aircraft design drone aircraft information management numerical analysis solar energy unmanned aerial vehicles. The cloud shadowuav, a highaltitude highspeed longendurance halereconnaissance and strike multifunction unmanned aerial vehicle uav developed by avic chengdu aircraft industrial group co. Trade study and optimization features of the software integration. Guynn langley research center, hampton, virginia lisa l. Kohout glenn research center, cleveland, ohio thomas a.
The gcs software will allow a uav user to 1 specify the mission in the users language, rather than the traditional jargon of mission and flight planning, and 2 execute the mission without. The yuneec q500 4k typhoon quadcopter is a quality product that enjoys a lot of positive feedback. Pdf this paper describes a design process of hale pw114 sensorcraft, developed for. This paper conducted a study on designing the 2 nd generation of hale uav itb. And results are got, which may help the stealth design and research of uav. A multistage turbocharger system analysis method has been presented for a hydrogen fueled internal combustion engine targeted for high altitude.
Like aircraft homebuilders whose requirements couldnt quite be met by the kits or plans on the market, i wanted to construct a uav optimized for a set of tasks that my experience with the marines suggested. The proposed solar aircraft design framework provides a simple. This is due to the capability of the aircraft and the design of the flight plans, since the objective was mainly to get an orthophoto of the sector and to verify the performance of the aircraft at high altitude. Design of solar powered high altitude long endurance unmanned. High altitude long endurance hale unmanned aerial vehicle uav 1 high aspect ratio forward sweep wing with elevons to enhance lift. Finite element software abaquscae is used to predict the stress and. Many drones have high sea level altitudes, but will only go a set limited distance above ground. Design and optimization of a medium altitude long endurance uav wingbox structure y.
Jul 08, 2019 the purpose of this paper is to present the development of an optimal design framework for high altitude long endurance solar unmanned aerial vehicle. Global observer go is a highaltitude longendurance unmanned aerial vehicle designed and built by aerovironment principally for the us defence and homeland security forces. The aerial digital images were acquired at low altitude. A high altitude unmannedaerialvehicle prototype, powered by solar panels and batteries, performs functions commonly attributed. Electric powertrain technologies with application to high altitude unmanned aerial vehicles uav are assessed. High altitude long endurance uav analysis of alternatives and technology requirements development craig l. Improved designs start with efficient airfoils and wings optimized for low drag, high endurance and low visibility. Design optimization of a composite wing box for high altitude longendurance aircraft institution. Prototype solarpowered, high altitude uav undergoing flight tests.
High altitude long endurance uav analysis of alternatives. Research on a high altitude long endurance hale unmanned aerial vehicle. Research article by international journal of aerospace engineering. The nasa erast program uses hale ua vs for environmental. Several researches are being carried out at the politecnico di torino with the aim of designing a high altitude verylong enduranceunmanned air vehicle have uav. May 31, 2004 high altitude attitudes as the missions for unmanned aerial vehicles increase in complexity, the challenge for cots suppliers is to create smaller embedded computing systems, says dave garcia. Several researches are being carried out at the politecnico di torino with the aim of designing a high altitude verylong enduranceunmanned air vehicle haveuav. Also keep in mind that theres a difference between max altitude above ground and above sea level asl.
Global observer go is a high altitude longendurance unmanned aerial vehicle designed and built by aerovironment principally for the us defence and homeland security forces. Uas design requirements produced under the first study. High altitude long endurance air vehicle analysis of. The cloud shadowuav is offered in two variants, attack, and intelligence, surveillance and reconnaissance isr.
The solar radiation change over one year, altitude, masses and. Design and performance evaluation of propeller for solarpowered. The aim of this book is to design a high altitude and long endurance hale uav after comparing and analysing the existing solar powered uavs that has to be used in variety of applications as for military as well as commercial purposes. In the last few years, the interest regarding solar powered aircraft has increased significantly and, in particular, the attention has been focused on unmanned aerial vehicles uav, able to perform high altitude and long endurance hale missions for telecommunication, remote sensing, surveillance and control, both for civil and military applications. Pdf high altitude long endurance unmanned aerial vehicle of a. Being able to fly in the stratosphere 1520 km and with an endurance of about 4 months offers an advantage and possibility that is presently not available with conventional. Global observer high altitude long endurance uav airforce.
We propose to design and develop easytouse ground control station gcs software for lowaltitude civil unmanned aerial vehicle uav operations. While many problems can be solved analytically or by testing in environmental simu. Its high altitude ability is mindboggling, not that you can legally exploit this or course. Preliminary design of high altitude and high endurance uav. Five open source autopilot uav projects roboticstomorrow. Gobble hawk wins nasa highaltitude uav design competition. The difference between the set of uas design requirements for the precision agriculture conops and the cargo delivery conops is quite small. Design, analysis and flight testing of a high altitude.
Methodologies and tools to conceptually design high altitude. Highaltitude longendurance hale unmanned aerial vehicles uavs have gained. Design of a highaltitude longendurance solarpowered. In theory, it is possible to configure an autopilot to avoid approaching flight. Pdf design, analysis and flight testing of a high altitude.
High altitude survey drone trials bring success for south. Sixteen potential hale uav configurations were initially developed. Uav navigation is a privatelyowned company that has specialized in the design of flight control solutions for unmanned aerial vehicles uavs since 2004. High altitude attitudes as the missions for unmanned aerial vehicles increase in complexity, the challenge for cots suppliers is to create smaller embedded computing systems, says dave garcia. Design optimization of a composite wing box for highaltitude longendurance aircraft institution. Egrett 1987, condor 1988, pathfinder 1993, perseus a 1993, perseus b 1994, strato 2c 1995, theseus 1997, pathfinder plus 1998, centurion 1998 and helios 1999. Benign stallspin characteristics are important in uavdesign, despite their automated operations. Design of solar high altitude long endurance aircraft for multi. Electric power system for high altitude uav technology survey. A computer program has been developed to carry out a parametric study for the platform design.
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