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Author: Fiona Chui
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
"As quadrotor unmanned aerial vehicles (UAVs) become more commonplace, the inherent safety risks that these vehicles pose must be addressed. Focus is placed on the risk of losing flight control after a quadrotor UAV collides with an obstacle, which is a danger for anyone in proximity of the vehicle. A collision dynamics model of a quadrotor UAV with bumpers (i.e., propeller protection) is developed for the purpose of developing a collision recovery strategy to return the quadrotor to a hovering configuration after colliding with a wall, using only on-board sensors. The model includes forces and moments from the standard quadrotor rigid-body dynamics formulation, combined with contact forces applied at contact points on the bumpers. The model is simulated under an array of different incoming impact velocities and attitudes for model verification and studying the quadrotor post-collision response. Validation is provided by comparing the simulated post-collision response to experimental results with the same pre-impact conditions, to show the model is a suitable tool for collision recovery development. An overall recovery strategy is presented: the Collision Recovery Pipeline (CRP), comprising of three phases. The first two phases, Collision Identification and Collision Characterization, are formulated. The first phase detects the collision and estimates the contact surface normal direction with accelerometer measurements. The second phase uses a fuzzy logic process (FLP) to identify the difficulty of recovery. Monte Carlo simulation and experimental data demonstrate that the two phases provide useful information to the final CRP phase. Simulations and experiments of the complete recovery solution demonstrate successful quadrotor recovery for initial collision velocities up to 3 m/s, and the effect of the first two phases on the recovery control performance." --
Author: Fiona Chui
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
"As quadrotor unmanned aerial vehicles (UAVs) become more commonplace, the inherent safety risks that these vehicles pose must be addressed. Focus is placed on the risk of losing flight control after a quadrotor UAV collides with an obstacle, which is a danger for anyone in proximity of the vehicle. A collision dynamics model of a quadrotor UAV with bumpers (i.e., propeller protection) is developed for the purpose of developing a collision recovery strategy to return the quadrotor to a hovering configuration after colliding with a wall, using only on-board sensors. The model includes forces and moments from the standard quadrotor rigid-body dynamics formulation, combined with contact forces applied at contact points on the bumpers. The model is simulated under an array of different incoming impact velocities and attitudes for model verification and studying the quadrotor post-collision response. Validation is provided by comparing the simulated post-collision response to experimental results with the same pre-impact conditions, to show the model is a suitable tool for collision recovery development. An overall recovery strategy is presented: the Collision Recovery Pipeline (CRP), comprising of three phases. The first two phases, Collision Identification and Collision Characterization, are formulated. The first phase detects the collision and estimates the contact surface normal direction with accelerometer measurements. The second phase uses a fuzzy logic process (FLP) to identify the difficulty of recovery. Monte Carlo simulation and experimental data demonstrate that the two phases provide useful information to the final CRP phase. Simulations and experiments of the complete recovery solution demonstrate successful quadrotor recovery for initial collision velocities up to 3 m/s, and the effect of the first two phases on the recovery control performance." --
Author: Mohamed Elkhatib
Publisher:
ISBN: 9783330845961
Category :
Languages : en
Pages : 144
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Book Description
Author: Rafik A. Aliev
Publisher: Springer Nature
ISBN: 3030921271
Category : Technology & Engineering
Languages : en
Pages : 803
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Book Description
This book presents the proceedings of the 11th Conference on Theory and Applications of Soft Computing, Computing with Words and Perceptions and Artificial Intelligence, ICSCCW-2021, held in Antalya, Turkey, on August 23–24, 2021. The general scope of the book covers uncertain computation, decision making under imperfect information, neuro-fuzzy approaches, natural language processing, and other areas. The topics of the papers include theory and application of soft computing, computing with words, image processing with soft computing, intelligent control, machine learning, fuzzy logic in data mining, soft computing in business, economics, engineering, material sciences, biomedical engineering, and health care. This book is a useful guide for academics, practitioners, and graduates in fields of soft computing and computing with words. It allows for increasing of interest in development and applying of these paradigms in various real-life fields.
Author: Zhouchen Lin
Publisher: Springer Nature
ISBN: 3030317269
Category : Computers
Languages : en
Pages : 562
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Book Description
The three-volume set LNCS 11857, 11858, and 11859 constitutes the refereed proceedings of the Second Chinese Conference on Pattern Recognition and Computer Vision, PRCV 2019, held in Xi’an, China, in November 2019. The 165 revised full papers presented were carefully reviewed and selected from 412 submissions. The papers have been organized in the following topical sections: Part I: Object Detection, Tracking and Recognition, Part II: Image/Video Processing and Analysis, Part III: Data Analysis and Optimization.
Author: Ashish Kumar Luhach
Publisher: Springer Nature
ISBN: 9811500290
Category : Technology & Engineering
Languages : en
Pages : 847
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Book Description
This book gathers high-quality papers presented at the First International Conference on Sustainable Technologies for Computational Intelligence (ICTSCI 2019), which was organized by Sri Balaji College of Engineering and Technology, Jaipur, Rajasthan, India, on March 29–30, 2019. It covers emerging topics in computational intelligence and effective strategies for its implementation in engineering applications.
Author: Quan Xie
Publisher: Springer Nature
ISBN: 3030896986
Category : Technology & Engineering
Languages : en
Pages : 1454
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Book Description
This book consists of papers on the recent progresses in the state of the art in natural computation, fuzzy systems and knowledge discovery. The book can be useful for researchers, including professors, graduate students, as well as R & D staff in the industry, with a general interest in natural computation, fuzzy systems and knowledge discovery. The work printed in this book was presented at the 2021 17th International Conference on Natural Computation, Fuzzy Systems and Knowledge Discovery (ICNC-FSKD 2021, 24–26 July 2021, Guiyang, China). All papers were rigorously peer-reviewed by experts in the areas.
Author: Hebertt Sira-Ramírez
Publisher: CRC Press
ISBN: 148227664X
Category : Technology & Engineering
Languages : en
Pages : 489
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Book Description
Illustrating the power, simplicity, and generality of the concept of flatness, this reference explains how to identify, utilize, and apply flatness in system planning and design. The book includes a large assortment of exercises and models that range from elementary to complex classes of systems. Leading students and professionals through a vast array of designs, simulations, and analytical studies on the traditional uses of flatness, Differentially Flat Systems contains an extensive amount of examples that showcase the value of flatness in system design, demonstrate how flatness can be assessed in the context of perturbed systems and apply static and dynamic feedback controller design techniques.
Author: Ajith Abraham
Publisher: Springer Nature
ISBN: 3030963020
Category : Technology & Engineering
Languages : en
Pages : 705
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Book Description
This book highlights the recent research on soft computing, pattern recognition, nature-inspired computing and their various practical applications. It presents 53 selected papers from the 13th International Conference on Soft Computing and Pattern Recognition (SoCPaR 2021) and 11 papers from the 13th World Congress on Nature and Biologically Inspired Computing (NaBIC 2021), which was held online, from December 15 to 17, 2021. A premier conference in the field of soft computing, artificial intelligence and machine learning applications, SoCPaR-NaBIC 2021 brought together researchers, engineers and practitioners whose work involves intelligent systems, network security and their applications in industry. Including contributions by authors from over 20 countries, the book offers a valuable reference guide for all researchers, students and practitioners in the fields of computer science and engineering.
Author: Kamal Jain
Publisher: Springer Nature
ISBN: 3031193091
Category : Technology & Engineering
Languages : en
Pages : 602
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Book Description
This volume gathers the latest advances, innovations, and applications in the field of geographic information systems and unmanned aerial vehicle (UAV) technologies, as presented by leading researchers and engineers at the 2nd International Conference on Unmanned Aerial System in Geomatics (UASG), held in Roorkee, India on April 2-4, 2021. It covers highly diverse topics, including photogrammetry and remote sensing, surveying, UAV manufacturing, geospatial data sensing, UAV processing, visualization, and management, UAV applications and regulations, geo-informatics and geomatics. The contributions, which were selected by means of a rigorous international peer-review process, highlight numerous exciting ideas that will spur novel research directions and foster multidisciplinary collaboration among different specialists.
Author: Anis Koubaa
Publisher: Academic Press
ISBN: 0128202777
Category : Technology & Engineering
Languages : en
Pages : 652
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Book Description
Unmanned Aerial Systems: Theoretical Foundation and Applications presents some of the latest innovative approaches to drones from the point-of-view of dynamic modeling, system analysis, optimization, control, communications, 3D-mapping, search and rescue, surveillance, farmland and construction monitoring, and more. With the emergence of low-cost UAS, a vast array of research works in academia and products in the industrial sectors have evolved. The book covers the safe operation of UAS, including, but not limited to, fundamental design, mission and path planning, control theory, computer vision, artificial intelligence, applications requirements, and more. This book provides a unique reference of the state-of-the-art research and development of unmanned aerial systems, making it an essential resource for researchers, instructors and practitioners. Covers some of the most innovative approaches to drones Provides the latest state-of-the-art research and development surrounding unmanned aerial systems Presents a comprehensive reference on unmanned aerial systems, with a focus on cutting-edge technologies and recent research trends in the area
