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Artech House USA
Engineering UAS Applications: Sensor Fusion, Machine Vision and Mission Management

Engineering UAS Applications: Sensor Fusion, Machine Vision and Mission Management

Copyright: 2023
Pages: 342
ISBN: 9781630819842

Digital download and online $118.00 Qty:

Unmanned aerial systems (UAS) have evolved rapidly in recent years thanks to advances in microelectromechanical components, navigation, perception, and artificial intelligence, allowing for a fast development of autonomy. This book presents general approaches to develop, test, and evaluate critical functions such as navigation, obstacle avoidance and perception, and the capacity to improve performance in real and simulated scenarios. It provides the practical knowledge to install, analyze and evaluate UAS solutions working in real systems; illustrates how to use and configure complete platforms and software tools; and reviews the main enabling technologies applied to develop UAS, possibilities and evaluation methodology. You will get the tools you need to evaluate navigation and obstacle avoidance functions, object detection, and planning and landing alternatives in simulated conditions. The book also provides helpful guidance on the integration of additional sensors (video, weather, meteorological) and communication networks to build IoT solutions. This is an important book for practitioners and researchers interested in integrating advanced techniques in the fields of AI, sensor fusion and mission management, and anyone interest in applying and testing advanced algorithms in UAS platforms.

Chapter 1. Introduction and state of the art

1.1 Introduction and types of UAVs
1.2 Main technologies used in UAS
1.2.1 Navigation
1.2.2 Communications
1.2.3 Machine vision
1.2.4 Coordination. Swarms of UAVs and applications
1.2.5 Simulation
1.3 Summary and structure of this book


Chapter 2: Components of UAS

2.1 Introduction
2.2 Flight controller
2.2.1 Logic components Control Navigation Guidance
2.2.2 Physical components
2.3 Communications
2.3.1 Radio communication technologies
2.3.2 Communication protocols
2.3.3 UAV messaging protocols
2.4 Payload
2.4.1 Payload types Image sensors Wave sensors Internet of Things (IoT) Actuators
2.4.2 Payload positioning Front sensor-FPV Bottom sensor Mounted fixed sensor 360º sensor
2.5 Mission management units
2.5.1 Ground station
2.5.2 Companion computer
2.5.3 Control APIs
2.6 Obstacle avoidance use case
2.6.1 Phase 1. Assembly of the physical components
2.6.2 Phase 2. Setting up the software
2.6.3 Phase 3. Mission design from the ground station
2.6.4 Phase 4. Mission start
2.6.5 Phase 5. Obstacle detection and avoidance


Chapter 3: Simulation of UAS

3.1 Introduction
3.2 From development to reality
3.2.1 Simulation software
3.2.2 Software-in-the-loop
3.2.3 Hardware-in-the-loop
3.2.4 External Hardware-in-the-loop
3.2.5 Simulation in Hardware
3.2.6 Vehicle in the loop
3.3 UAS simulators
3.3.1 Current simulators
3.3.2 jMAVsim
3.3.3 JBSim
3.3.4 FlightGoggles
3.3.5 Gazebo Gazebo Ignition
3.3.6 FlightGear
3.3.7 MATLAB UAV toolbox RflySim
3.3.8 AirSim Aerial Autonomy: Project AirSim Unreal Engine addons
3.3.9 Simulators comparison
3.4 AirSim simulation examples
3.4.1 Framework required programs
3.4.2 Simulation environment
3.4.3 AirSim settings
3.4.4 SimpleFlight simulation
3.4.5 Mission 1. Using SimpleFlight SITL Python mission Data gathering Multiple drones Manual control using joystick or USB controller
3.4.6 PX4 simulation
3.4.7 Mission 2. Using PX4 SITL QGroundControl mission MavSDK mission Multiple PX4 SITL
3.4.8 Mission 3. Using PX4 HITL Manual control using receiver and transmitter
3.4.9 Flight analysis


Chapter 4: Navigation systems on UAS

4.1 Introduction
4.2 Reference Frame Systems
4.2.1 Global frames (WGS84 and ECEF) and local frame at tangent point ENU and NED
4.2.2 Geodetic to ECEF transformation
4.2.3 ECEF to geodetic transformation
4.2.4 ECEF to local Cartesian (ENU and NED) transformation
4.2.5 Local Cartesian (ENU or NED) to ECEF transformation
4.3 Attitude mathematical concepts
4.3.1 Attitude representation Direction cosine matrix (DCM) Euler angles Quaternions
4.3.2 Attitude Kinematics DCM Kinematics Euler Angles Quaternions
4.4 Fusion of the INS and GNSS
4.4.1 State estimation
4.4.2 INS State vector
4.4.3 GNSS State vector
4.4.4 Fusion of the INS and GNSS
4.5 Application: Search for the best navigation parameters
4.5.1 Fusion quality metrics Based on ground truth Without ground truth
4.5.2 PX4 navigation system
4.5.3 Search best EKF parameters Design test mission and flight plan Analysis of results


Chapter 5: Machine vision systems of UAS

5.1 Introduction
5.2 Computer vision system
5.2.1 Pinhole camera
5.2.2 Camera calibration
5.2.3 AirSim camera calibration
5.3 Image stabilization
5.3.1 Mechanical stabilization Example of mechanical stabilization in AirSim
5.3.2 Computational stabilization Digital image motion Example of computational correction
5.4 Object detection
5.4.1 Problems of object detection
5.4.2 How to evaluate object detection?
5.4.3 Object detection example
5.5 Visual object tracking
5.5.1 Visual object tracking algorithms
5.5.2 Drone VOT system in AirSim simulator Evaluation


Chapter 6: Illustrative examples of UAS

6.1 Introduction
6.2 Sense and avoid illustrative example
6.2.1 Simulation architecture
6.2.2 Software modules
6.2.3 Detection System
6.2.4 Occupancy map
6.2.5 Avoidance strategy
6.2.6 Evaluation
6.2.7 Conclusions
6.3 Decentralized drone swarm illustrative example
6.3.1 Simulation architecture
6.3.2 Software modules
6.3.3 Swarm generator
6.3.4 Communication loop
6.3.5 Mission vote system
6.3.6 Formation generation avoiding collisions
6.3.7 Swarm formation to target
6.3.8 Mission movement
6.3.9 Swarm obstacle avoidance
6.3.10 Mission recalculation
6.3.11 Evaluation
6.3.12 Conclusions
6.4 Terrain reconstruction illustrative example
6.4.1 Simulation architecture
6.4.2 Software modules
6.4.3 Multi-UAV path planning
6.4.4 UAV Mission
6.4.5 Real-time orthoimagery generation
6.4.6 Evaluation
6.4.7 Conclusions


Chapter VII: Conclusions and future works

  • Jesús Garcia

    is full professor at the Universidad Carlos III de Madrid. He joined the Computer Science Department of that university in 1999. His main research interests are computational intelligence, sensor and information fusion, machine vision, traffic management systems and autonomous vehicles. Within these areas, including theoretical and applied aspects, he has co-authored more than 10 book chapters, 70 journal papers and 200 conference papers. He has served on several advisory and programming committees in organizations IEEE, ISIF and NATO. He has been chair of the Spanish IEEE Chapter on Aerospace and Electronic Systems (2013-2018) appointed Spanish member of several NATO-STO Research Groups (2011-2021).

  • José M. Molina

    is full professor at the Universidad Carlos III de Madrid. He joined the Computer Science Department of the Universidad Carlos III de Madrid in 1993. He received a degree in Telecommunications Engineering in 1993 and a PhD degree in 1997 both from the Universidad Politécnica de Madrid. Currently he coordinates the Applied Artificial Intelligence Group (GIAA). His current research focuses on the application of soft computing techniques (NN, Evolutionary Computation, Fuzzy Logic and Multiagent Systems) to radar data processing, air traffic management, e-commerce and ambient intelligence. He has authored up to 100 journal papers and 200 conference papers.

  • Daniel Amigo

    is a PhD student at the University Carlos III of Madrid. In 2019 he completed a double Master's degree in Computer Engineering and Computer Science and Technology and a bachelor’s degree in Computer Engineering in 2017, both from the same university. He is involved in research projects on vehicle tracking and surveillance. His research interests lie in the field of air traffic control, data fusion, autonomous vehicles applications, remote sensing, machine learning, digital twins and UAS simulations.

  • Juan Pedro Llerena

    has a degree in Physics from Complutense University of Madrid (UCM) specialized in physical devices and control. He did an inter-university master's degree between the National Distance Education University (UNED) and UCM specializing in systems engineering and control, motivating his interest in data fusion systems, artificial intelligence, computer vision, and UAVs. Currently, Juan Pedro is a Ph.D. student and researcher in the Applied Artificial Intelligence Group (GIAA) at the Carlos III University of Madrid where his work focuses on the study of drone support technologies.

  • David Sánchez Pedroche

    has a pre-doctoral contract at the Universidad Carlos III de Madrid. He graduated in Computer Engineering in 2017 with a double Master’s degree in Computer Engineering and Computer Science and Technology in 2019, both from Universidad Carlos III de Madrid. He joined the Department of Computer Science at Universidad Carlos III de Madrid as part of the Applied Artificial Intelligence Group (GIAA) in 2018. His work in the GIAA involves research projects on trajectory reconstruction and vehicle tracking and surveillance. His current research focuses on the application of machine learning techniques over trajectory data, radar data processing and detection systems, air and maritime traffic management, air traffic control and UAS intelligence.

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