Author: Holly L. Griffiths Publisher: ISBN: 9780438372863 Category : Aerospace engineering Languages : en Pages : 51
Book Description
Ocean birds such as Albatross and Petrels use Dynamic Soaring to travel extremely long distances using minimal energy. Using vision and the mechanoreceptors within their skin and feathers, they can sense local wind conditions. By sensing these changes in the local spatio-temporal wind map, they can take advantage by flying trajectories that extract energy from the surrounding wind gradients. Inspired by the flight of these birds, the preliminary work for a small UAV (SUAV) system is proposed, with a morphing wing structure that can additionally estimate local wind conditions with only standard flight computer sensors (IMU, Magnetometer, GPS, Static and Dynamic Pressure) using parameter estimation via Kalman Filter. Groundwork for trajectory optimization with the addition of Morphing geometry is laid out, and the framework for a proposed unified trajectory planning and tracking Model Predictive Controller (MPC) is also investigated.
Author: Geoffrey Christien Bower Publisher: ISBN: Category : Languages : en Pages :
Book Description
Dynamic soaring is a flight technique used by albatrosses and other large seabirds to extract energy from wind gradients in the atmospheric boundary layer over the ocean. This technique enables them to fly for extended periods without flapping their wings, in some documented cases circumnavigating the globe. This work examines the application of dynamic soaring to propulsion of small unmanned aerial vehicles (UAVs). First, the equations of motion were derived and the energy transfer mechanisms were explained for a vehicle flying in a spatially and temporally varying wind field. Next, a robust and efficient dynamic soaring trajectory optimization method that forms the foundation for the remainder of the research was outlined. This method was used to solve for optimal periodic trajectories through a number of different wind fields. It was also used to investigate UAV designs that have the ability to extract electrical energy from their environment and store it on-board, allowing operations during lulls in the wind. Vehicle speed polars were generated that show the maximum cross-country speed achievable as the a function of the wind speed and the cross-country flight direction. The method of isochrones was applied to the long-range routing of dynamic soaring vehicles across the ocean by combining vehicle speed polars with satellite based ocean wind measurements. As part of this work, a small UAV, dubbed Mariner, was designed to demonstrate autonomous boundary layer dynamic soaring over water. The objective of the UAV design problem was to minimize the required reference wind speed. Constraints were imposed on vehicle size and weight, and careful attention was paid to stability and control requirements imposed by the optimal trajectories. Sensors and sub-systems were specified to allow for accurate state estimation in close proximity to the water surface. Experimentally, a small off-the-shelf airframe was flown to aid development of Mariner's flight control hardware and software. An extended Kalman filter (EKF) was implemented for vehicle state and wind estimation and tuned through flight testing. In addition, a novel GPS tracking tag was designed and tested to improve our understanding of albatross dynamic soaring.
Author: Vandana Mohindru Publisher: John Wiley & Sons ISBN: 1119769159 Category : Computers Languages : en Pages : 320
Book Description
The 15 chapters in this book explore the theoretical as well as a number of technical research outcomes on all aspects of UAVs. UAVs has widely differing applications such as disaster management, structural inspection, goods delivery, transportation, localization, mapping, pollution and radiation monitoring, search and rescue, farming, etc. The advantages of using UAVs are countless and have led the way for the full integration of UAVs, as intelligent objects into the IoT system. The book covers cover such subjects as: Efficient energy management systems in UAV based IoT networks IoE enabled UAVs Mind-controlled UAV using Brain-Computer Interface (BCI) The importance of AI in realizing autonomous and intelligent flying IoT Blockchain-based solutions for various security issues in UAV-enabled IoT The challenges and threats of UAVs such as hijacking, privacy, cyber-security, and physical safety.
Author: Mohamed Abdelkader Publisher: Springer Nature ISBN: 3031320379 Category : Technology & Engineering Languages : en Pages : 404
Book Description
This is a book that covers different aspects of UAV technology, including design and development, applications, security and communication, and legal and regulatory challenges. The book is divided into 13 chapters, grouped into four parts. The first part discusses the design and development of UAVs, including ROS customization, structured designs, and intelligent trajectory tracking. The second part explores diverse applications such as search and rescue, monitoring distributed parameter systems, and leveraging drone technology in accounting. The third part focuses on security and communication challenges, including security concerns, multi-UAV systems, and communications security. The final part delves into the legal and regulatory challenges of integrating UAVs into non-segregated airspace. The book serves as a valuable resource for researchers, practitioners, and students in the field of unmanned aerial vehicles, providing a comprehensive understanding of UAV technology and its applications.
Author: Kimon P. Valavanis Publisher: Springer Science & Business Media ISBN: 1402061145 Category : Technology & Engineering Languages : en Pages : 552
Book Description
The past decade has seen tremendous interest in the production and refinement of unmanned aerial vehicles, both fixed-wing, such as airplanes and rotary-wing, such as helicopters and vertical takeoff and landing vehicles. This book provides a diversified survey of research and development on small and miniature unmanned aerial vehicles of both fixed and rotary wing designs. From historical background to proposed new applications, this is the most comprehensive reference yet.
Author: Andrew J. Keane Publisher: John Wiley & Sons ISBN: 1119406323 Category : Technology & Engineering Languages : en Pages : 492
Book Description
Small Unmanned Fixed-wing Aircraft Design is the essential guide to designing, building and testing fixed wing UAVs (or drones). It deals with aircraft from two to 150 kg in weight and is based on the first-hand experiences of the world renowned UAV team at the UK’s University of Southampton. The book covers both the practical aspects of designing, manufacturing and flight testing and outlines and the essential calculations needed to underpin successful designs. It describes the entire process of UAV design from requirements definition to configuration layout and sizing, through preliminary design and analysis using simple panel codes and spreadsheets to full CFD and FEA models and on to detailed design with parametric CAD tools. Its focus is on modest cost approaches that draw heavily on the latest digital design and manufacturing methods, including a strong emphasis on utilizing off-the-shelf components, low cost analysis, automated geometry modelling and 3D printing. It deliberately avoids a deep theoretical coverage of aerodynamics or structural mechanics; rather it provides a design team with sufficient insights and guidance to get the essentials undertaken more pragmatically. The book contains many all-colour illustrations of the dozens of aircraft built by the authors and their students over the last ten years giving much detailed information on what works best. It is predominantly aimed at under-graduate and MSc level student design and build projects, but will be of interest to anyone engaged in the practical problems of getting quite complex unmanned aircraft flying. It should also appeal to the more sophisticated aero-modeller and those engaged on research based around fixed wing UAVs.
Author: Kenzo Nonami Publisher: Springer ISBN: 9784431538554 Category : Technology & Engineering Languages : en Pages : 329
Book Description
The advance in robotics has boosted the application of autonomous vehicles to perform tedious and risky tasks or to be cost-effective substitutes for their - man counterparts. Based on their working environment, a rough classi cation of the autonomous vehicles would include unmanned aerial vehicles (UAVs), - manned ground vehicles (UGVs), autonomous underwater vehicles (AUVs), and autonomous surface vehicles (ASVs). UAVs, UGVs, AUVs, and ASVs are called UVs (unmanned vehicles) nowadays. In recent decades, the development of - manned autonomous vehicles have been of great interest, and different kinds of autonomous vehicles have been studied and developed all over the world. In part- ular, UAVs have many applications in emergency situations; humans often cannot come close to a dangerous natural disaster such as an earthquake, a ood, an active volcano, or a nuclear disaster. Since the development of the rst UAVs, research efforts have been focused on military applications. Recently, however, demand has arisen for UAVs such as aero-robotsand ying robotsthat can be used in emergency situations and in industrial applications. Among the wide variety of UAVs that have been developed, small-scale HUAVs (helicopter-based UAVs) have the ability to take off and land vertically as well as the ability to cruise in ight, but their most importantcapability is hovering. Hoveringat a point enables us to make more eff- tive observations of a target. Furthermore, small-scale HUAVs offer the advantages of low cost and easy operation.
Author: A. R. Jha, Ph.D. Publisher: CRC Press ISBN: 1315354012 Category : Computers Languages : en Pages : 190
Book Description
This book provides a complete overview of the theory, design, and applications of unmanned aerial vehicles. It covers the basics, including definitions, attributes, manned vs. unmanned, design considerations, life cycle costs, architecture, components, air vehicle, payload, communications, data link, and ground control stations. Chapters cover types and civilian roles, sensors and characteristics, alternative power, communications and data links, conceptual design, human machine interface, sense and avoid systems, civil airspace issues and integration efforts, navigation, autonomous control, swarming, and future capabilities.
Author: Jean-Philippe Condomines Publisher: Elsevier ISBN: 0081027443 Category : Technology & Engineering Languages : en Pages : 256
Book Description
Nonlinear Kalman Filter for Multi-Sensor Navigation of Unmanned Aerial Vehicles covers state estimation development approaches for Mini-UAV. The book focuses on Kalman filtering technics for UAV design, proposing a new design methodology and case study related to inertial navigation systems for drones. Both simulation and real experiment results are presented, thus showing new and promising perspectives. Gives a state estimation development approach for mini-UAVs Explains Kalman filtering techniques Introduce a new design method for unmanned aerial vehicles Introduce cases relating to the inertial navigation system of drones
Author: Holly L. Griffiths
Author: Geoffrey Christien Bower
Author: Vandana Mohindru
Author: Mohamed Abdelkader
Author: Kimon P. Valavanis
Author: Anna-Maria R. McGowan
Author: Andrew J. Keane
Author: Kenzo Nonami
Author: A. R. Jha, Ph.D.
Author: Jean-Philippe Condomines